WO2021131666A1 - System, device, and method - Google Patents

Abstract

A system 30 for displaying the state of a plant 1 is provided with: a first display function 42 for displaying an abnormality display indicating the occurrence of an abnormality having the possibility of stopping the plant 1, and prompting an operator for confirmation; a second display function 44 for, if the abnormality display is selected by the operator using the first display function 42, displaying image information R21 indicating the positions of pipes in the entire plant, and the positions of sensors provided in the pipes, and for using a prescribed form to represent an abnormal state of a pipe, detected by a sensor; and a third display function 46 for displaying data relating to the sensor serving as the basis of the abnormal state represented using the prescribed form.

Description

Systems, equipment and methods

The present invention relates to a system, apparatus and method for displaying the state of a plant.

Conventionally, sensors have been installed in the plant to monitor the operating status of the plant through the measured values of the sensors. For example, in Patent Document 1, when an object on the display screen is selected, information from the sensor related to the object is displayed so that the operator can intuitively grasp the detection target and the detection result of the sensor. Is disclosed. Further, in Patent Document 2, a plurality of alarm messages are displayed in the alarm monitoring screen, and when the operator presses the graph display on the display screen, the graph information of the corresponding alarm message may be displayed. It is disclosed.

Japanese Unexamined Patent Publication No. 4-308895 Japanese Unexamined Patent Publication No. 2016-115195

In these conventional configurations, it is possible to monitor the data of the sensors installed in the plant, but in order to solve the occurrence event of the plant abnormality, in addition to monitoring the process data acquired from the sensors. Since it is necessary to confirm the process data that is deductively related, it may be difficult to understand the cause of the plant abnormality and its countermeasures with the conventional configuration.

One of the exemplary objects of an aspect of the present invention is to provide a system, apparatus and method capable of showing the state of the plant to the operator in an easy-to-understand manner when an abnormality occurs in the plant.

In order to solve the above problems, the system of the first aspect of the present invention is a system that displays the state of the plant, displays an abnormality display indicating the occurrence of an abnormality that has the possibility of stopping the plant, and confirms with the operator. When the operator selects an abnormality display in the first display function and the first display function, image information indicating the position of the pipe in the entire plant and the position of the sensor provided in the pipe is displayed. It also has a second display function that shows the abnormal state of the tube detected by the sensor in a predetermined mode, and a third display function that displays the data of the sensor that is the basis of the abnormal state shown in the predetermined mode.

According to the above aspect, when an abnormality occurs in the plant, the state of the plant to be grasped by the operator can be displayed stepwise and in order, so that the state of the plant can be shown to the operator in an easy-to-understand manner. ..

The method of the first aspect of the present invention is a method of displaying the state of the plant, displaying an abnormality display indicating the occurrence of an abnormality having a possibility of stopping the plant, prompting the operator for confirmation, and displaying the abnormality. When the selection is accepted from the operator and the abnormality display is selected by the operator, image information indicating the position of the pipe in the entire plant and the position of the sensor provided on the pipe is displayed and detected by the sensor. Displaying the abnormal state of the pipe in a predetermined mode, accepting the selection of the display of the predetermined mode from the operator, and selecting the display of the abnormal state of the pipe from the operator, the abnormality shown in the predetermined mode Includes displaying sensor data on which the condition is based.

According to the above aspect, when an abnormality occurs in the plant, the state of the plant to be grasped by the operator can be displayed stepwise and in order, so that the state of the plant can be shown to the operator in an easy-to-understand manner. ..

The apparatus according to the second aspect of the present invention includes a display screen for displaying the state of the plant. Then, the occurrence of an abnormality having the possibility of stopping the plant can be displayed in the first area of the display screen, and the occurrence history of the abnormality affecting the operation efficiency of the plant can be displayed in the second area of the display screen. It is configured in.

According to this aspect, it is possible to easily recognize both a serious abnormality such as a blowout and an abnormality related to a decrease in operating efficiency.

In addition, to configure "abnormality occurrence" to be displayable, it is configured to be able to display that it is determined that an abnormality has occurred and that an abnormality is likely to occur in the future. Including the case.

In addition, configuring the "abnormality occurrence history" to be displayable means that in addition to the history of determining that an abnormality has occurred, the history of determining that an abnormality is likely to occur in the future Including the case where it is configured to be displayable.

Further, the occurrence history of the abnormality displayed in the second area may be displayed in a mode in which the time information indicating the occurrence time of the abnormality and the information indicating the content of the abnormality are arranged in the order of the occurrence. The time when an abnormality occurs includes not only when it is determined that an abnormality has occurred, but also when it is determined that there is a high possibility that an abnormality will occur in the future.

According to this aspect, the time information indicating the occurrence of an abnormality that affects the operation efficiency and stable operation of the plant and the information indicating the content of this abnormality are displayed in an arrangement in the order of the occurrence. It becomes possible to recognize the occurrence time of a plurality of abnormalities that affect the decrease in operating efficiency.

Further, the plant is provided with a plurality of sensors, and the abnormality occurrence history displayed in the second area is displayed in a manner in which the number of times the data acquired by these sensors shows an abnormal value is arranged for each sensor. May be good.

According to this aspect, the number of times the sensor shows an abnormal value can be displayed for each sensor, so that the problematic sensor can be easily identified.

Further, the abnormality occurrence history displayed in the second area is based on the abnormality occurrence history determined to have occurred based on the data acquired from at least two sensors and the data acquired from a single sensor. It may include the occurrence history of the abnormality determined to have occurred.

According to this aspect, since the occurrence history of the abnormality determined to have occurred based on the data acquired from at least two sensors can be displayed, it is possible to improve the detection accuracy of the abnormality.

In addition, the plant is composed of a plurality of components, and the device has at least one component in the fourth area of the display screen, which may have an abnormality affecting the operation efficiency and stable operation, and the other components. It may be configured to be displayable in a manner different from that of the component.

According to this aspect, at least one component that may have an abnormality affecting the operation efficiency can be displayed in a different manner from the other components, so that the problematic component can be easily identified. Will be possible.

Further, the apparatus may be configured to be able to display information indicating the operating efficiency of the plant in the fifth area of the display screen.

According to this aspect, since the information indicating the operation efficiency of the plant can be displayed, it becomes possible to easily recognize the decrease in the operation efficiency due to the abnormality.

Further, the system according to the second aspect of the present invention is a device provided with a display screen for displaying the state of the plant, and an abnormality having a possibility of stopping the plant is generated in the first area of the display screen. A displayable device and a control device for controlling the device are provided in the second area of the display screen so that the history of occurrence of abnormalities affecting the operating efficiency of the plant can be displayed.

According to this aspect, it is possible to display two pieces of information important for the operation of the plant on the display screen at the same time, so that both a serious abnormality such as a blast and an abnormality related to a decrease in operating efficiency can be easily performed. It becomes possible to recognize.

The device according to the third aspect of the present invention is a device provided with a screen for displaying the state of the plant, and provides image information indicating the position of the pipe and the position of the sensor provided on the pipe in the entire plant. When the state of the pipe detected by the sensor is displayed in the first area in a predetermined manner while being displayed in the first area of the screen, and the state of the pipe is determined based on the operation data of the plant. It is configured to display the used determination information in the second area of the screen.

Further, the system according to the third aspect of the present invention is a system including a display device having a screen for displaying the state of the plant and a control device for controlling the display device, and the display device is a pipe in the entire plant. The image information indicating the position of the tube and the position of the sensor provided on the tube is displayed in the first area of the screen, and the state of the tube detected by the sensor is displayed in the first area in a predetermined manner. The determination information used when the state of the pipe is determined based on the operation data of the plant is displayed in the second area of the screen.

When such a configuration is adopted, image information indicating the position of the pipe in the entire plant and the position of the sensor provided on the pipe is displayed in the first area of the screen, and the state of the pipe detected by the sensor is displayed in a predetermined mode. Can be displayed with. Further, the determination information used when the state of the pipe is determined based on the operation data of the plant can be displayed in the second area of the screen. Therefore, the operator who visually recognizes the screen of this device (this system) can grasp the positions of the pipes and sensors in the entire plant, and also uses different methods (both the sensor and the operation data of the plant). It is possible to grasp the state of the judged or detected pipe. That is, since the operator can efficiently grasp the important information necessary for monitoring the pipe only by visually recognizing a single screen, he / she can make a comprehensive judgment. As a result, this device (this system) can contribute to the stable operation of the plant. The "state of the pipe" includes not only a state in which an abnormality such as a blown or clogged pipe has occurred (abnormal state) but also a state in which such an abnormality has not occurred (normal state). That is, the present device (this system) can display not only the abnormal state of the pipe but also the normal state of the pipe.

The device or system according to the third aspect of the present invention can be configured to display the determination information in the second region in chronological order. Examples of judgment information include a value obtained by calculating the degree of abnormality of the pipe from the operation data, a value obtained by calculating the reliability of the state of the pipe (degree of abnormality, etc.) from the operation data, and judgment of the state of the pipe (judgment of the degree of abnormality and reliability). ), Etc. can be mentioned.

By adopting such a configuration, it is possible to grasp the judgment information regarding the state of the pipe judged based on the operation data of the plant in chronological order.

In the apparatus or system according to the third aspect of the present invention, both the result of detecting the state of the pipe by the sensor and the result of determining the state of the pipe based on the operation data of the plant are the same in the third region of the screen. It can be configured to be displayed in chronological order in a format. Further, the present device or the system may be configured to display the time axis in the second region and the time axis in the third region in conjunction with each other.

When such a configuration is adopted, both the detection result of the pipe state by the sensor and the judgment result of the pipe state based on the operation data of the plant are displayed in the same format (for example, bar chart format) in the third area of the screen. Can be displayed in chronological order with. Therefore, the operator can visually recognize and grasp the pipe state determination (detection) results by different methods in the same format, and can make a comprehensive determination.

The device or system according to the third aspect of the present invention displays the detection information detected by the specific sensor in the fourth area in chronological order when the specific sensor is selected from the sensors displayed in the first area. Can be configured to

By adopting such a configuration, the detection information detected by the selected sensor (specific sensor) among the sensors displayed in the first area of the screen can be grasped in chronological order.

The device or system according to the third aspect of the present invention can be configured to display detection information in a fourth area of a screen different from the screen.

When such a configuration is adopted, the detection information detected by the selected sensor (specific sensor) among the sensors displayed in the first area of the screen is the fourth area of the screen different from the screen having the first area and the like. Can be displayed on. Therefore, there is an advantage that the detection information can be enlarged and displayed on a screen (fourth area) different from the screen having the first area and the like, and the time history and the like of the detection information can be grasped in detail.

The apparatus according to the fourth aspect of the present invention is an apparatus provided with a display screen for displaying the state of the plant, and is configured so that a graph of the first process data relating to the plant can be displayed in the first area of the display screen. An explanatory text relating to the first process data can be displayed in the second area of the display screen adjacent to the first area.

According to this aspect, what kind of event occurs by displaying the graph of the first process data in the first area of the display screen and displaying the explanatory text regarding the first process data in the adjacent second area. It will be easier to understand what you are doing, and it will be easier to understand what kind of measures you need to take.

In the above aspect, the graph of the second process data related to the first process data may be displayed in the first area.

According to this aspect, the state of the plant can be monitored from various angles by displaying not only the graph of the first process data but also the graph of the related second process data.

In the above aspect, the first area may be configured so that another graph of the first process data different from the graph of the first process data can be displayed.

According to this aspect, the state of the plant can be monitored from various angles by displaying a plurality of types of graphs for the first process data.

In the above embodiment, the display screen is configured to be able to display a first screen that indicates a warning when at least one of a plurality of process data becomes an abnormal state, and transitions from the first screen in response to the selection of the warning. The second screen can be displayed on the display screen, and the second screen may include a first area and a second area.

According to this aspect, the outline of the plant state can be confirmed through a plurality of process data on the first screen, and the plant state can be confirmed in detail through the specific process data on the second screen.

In the above aspect, the warning is configured to be displayable in the third area of the first screen, and the graph of one or a plurality of typical process data related to the plant can be displayed in the fourth area adjacent to the third area. It may have been done.

According to this aspect, by displaying a warning in the third area of the first screen, the possibility of abnormality can be quickly grasped, and a graph of typical process data is displayed in the fourth area of the first screen. By doing so, it is possible to confirm the outline of the state of the plant.

In the above aspect, the explanatory text may include a text explaining a method of capturing an event from a graph.

According to this aspect, it is possible to confirm the method of capturing the event from the graph, and it becomes easy to understand what kind of event is occurring.

In the above aspect, the explanatory text may include a text explaining a method for optimizing the state of the first process data.

According to this aspect, it is possible to confirm the method for optimizing the state of the first process data, and it becomes easy to understand what kind of measures are required.

The system according to the fourth aspect of the present invention includes a device provided with a display screen for displaying the state of the plant and a control device for controlling the device, and the device is provided in a first area of the display screen of the plant. The graph of the first process data related to the first process data is displayable, and the explanatory text related to the first process data can be displayed in the second area of the display screen adjacent to the first area.

According to this aspect, what kind of event occurs by displaying the graph of the first process data in the first area of the display screen and displaying the explanatory text regarding the first process data in the adjacent second area. It will be easier to understand if there is any, and it will be easier to understand what kind of measures are required.

It should be noted that any combination of the above components or components and expressions of the present invention that are mutually replaced between methods, devices, systems, computer programs, data structures, recording media, etc. are also aspects of the present invention. It is effective as.

According to the present invention, when an abnormality occurs in a plant, the state of the plant can be shown to the operator in an easy-to-understand manner.

It is the schematic which shows the whole structure of the plant which concerns on one Embodiment of this invention. It is a figure which shows the functional block of the system which concerns on one Embodiment of this invention. It is a figure which shows the physical configuration of the system which concerns on this embodiment. It is a figure which shows the detail of the functional block of the system which concerns on this embodiment. It is a flowchart which shows the method which concerns on one Embodiment of this invention. It is a figure for demonstrating the display function of the system which concerns on this embodiment. It is a figure for demonstrating the display function of the system which concerns on this embodiment. It is a figure for demonstrating the display function of the system which concerns on this embodiment. It is a figure for demonstrating the display function of the system which concerns on this embodiment. It is a figure for demonstrating the display function of the system which concerns on this embodiment. It is a figure for demonstrating the display function of the system which concerns on this embodiment. It is a figure for demonstrating the display function of the system which concerns on this embodiment. It is a figure for demonstrating the display function of the system which concerns on this embodiment. It is a figure for demonstrating the display function of the system which concerns on this embodiment.

Hereinafter, the present invention will be described through embodiments of the invention with reference to the drawings, but the following embodiments do not limit the invention according to the claims and are described in the embodiments. Not all combinations of features are essential to the solution of the invention. The same or equivalent components, members, and processes shown in the drawings shall be designated by the same reference numerals, and redundant description will be omitted as appropriate.

FIG. 1 is a schematic view showing the overall configuration of the plant according to the embodiment of the present invention. First, the configuration of the plant 1 targeted by the present embodiment will be described with reference to FIG. Plant 1 is, for example, a power plant (incinerator plant) including a circulating fluidized bed boiler (Circulating Fluidized Bed type), which burns fuel while circulating a circulating material such as silica sand that flows at a high temperature to generate steam. It is equipped with a boiler to make it. As the fuel for the plant 1, in addition to fossil fuels such as coal, for example, non-fossil fuels (woody biomass, waste tires, waste plastics, sludge, etc.) can be used. The steam generated in plant 1 is used to drive the turbine 100. The plant targeted by the present invention is not limited to a power generation plant including a boiler or an incinerator plant, but may be a plant such as a chemical plant or a wastewater treatment plant from which process data can be obtained.

The plant 1 is configured to burn fuel in the furnace 2, separate the circulating material from the exhaust gas by a cyclone 3 that functions as a solid air separating device, and return the separated circulating material to the furnace 2 for circulation. There is. The separated circulating material is returned to the lower part of the furnace 2 via the circulating material recovery pipe 4 connected below the cyclone 3. The lower part of the circulating material recovery pipe 4 and the lower part of the furnace 2 are connected via a loop seal portion 4a in which the flow path is narrowed. As a result, a predetermined amount of the circulating material is stored in the lower part of the circulating material recovery pipe 4. The exhaust gas from which the circulating material has been removed by the cyclone 3 is supplied to the rear flue 5 via the exhaust gas flow path 3a.

The boiler is equipped with a furnace 2 for burning fuel and a heat exchanger for generating steam or the like using the heat obtained by the combustion. A fuel supply port 2a for supplying fuel is provided in the middle portion of the furnace 2, and a gas outlet 2b for discharging combustion gas is provided in the upper portion of the furnace 2. The fuel supplied to the furnace 2 from the fuel supply device (not shown) is supplied to the inside of the furnace 2 through the fuel supply port 2a. Further, a furnace wall pipe 6 for heating the boiler water supply is provided on the furnace wall of the furnace 2. The boiler water supply flowing through the furnace wall pipe 6 is heated by combustion in the furnace 2.

In the furnace 2, the combustion / flow air introduced from the lower air supply line 2c causes solid matter including fuel supplied from the fuel supply port 2a to flow, and the fuel flows while flowing, for example, about 800 to 900. Burn at ° C. The combustion gas generated in the furnace 2 is introduced into the cyclone 3 with a circulating material. The cyclone 3 separates the circulating material and the gas by a centrifugal separation action, returns the circulating material separated through the circulating material recovery pipe 4 to the fireplace 2, and returns the combustion gas from which the circulating material has been removed to the exhaust gas flow path 3a. To the rear flue 5.

In the furnace 2, a part of the circulating material called the in-furnace bed material stays at the bottom. This bed material may contain a bed material having a coarse particle size unsuitable for circulating flow and combustion contaminants, and the bed material unsuitable for these circulating materials may cause poor flow. Therefore, in order to suppress the flow failure, in the furnace 2, the bed material in the furnace is continuously or intermittently discharged to the outside from the discharge port 2d at the bottom. The discharged bed material is supplied to the furnace 2 again after removing unsuitable substances such as metal and coarse particle size on a circulation line (not shown), or is discarded as it is. The circulatory material of the circulatory furnace 2 circulates in the circulatory system including the circulatory furnace 2, the cyclone 3, and the circulatory material recovery pipe 4.

The rear flue 5 has a flow path for flowing the gas discharged from the cyclone 3 to the rear stage. The rear flue 5 has a superheater 10 for generating superheated steam and an economizer 12 for preheating the boiler water supply as an exhaust heat recovery unit for recovering the heat of the exhaust gas. The exhaust gas flowing through the rear flue 5 is cooled by exchanging heat with steam and boiler supply water flowing through the superheater 10 and the economizer 12. Further, it has a steam drum 8 for storing boiler water supply that has passed through the economizer 12, and the steam drum 8 is also connected to a furnace wall 6.

The economizer 12 transfers the heat of the exhaust gas to the boiler water supply to preheat the boiler water supply. The economizer 12 is connected to the pump 7 by a pipe 21 while being connected to the steam drum 8 by a pipe 22. The boiler water supplied from the pump 7 to the economizer 12 via the pipe 21 and preheated by the economizer 12 is supplied to the steam drum 8 via the pipe 22.

A precipitation pipe 8a and a furnace wall pipe 6 are connected to the steam drum 8. The boiler water supply in the steam drum 8 descends the precipitation pipe 8a, is introduced into the furnace wall pipe 6 on the lower side of the furnace 2, and flows toward the steam drum 8. The boiler water supply in the furnace wall pipe 6 is heated by the heat of combustion generated in the furnace 2 and evaporates in the steam drum 8 to become steam.

A saturated steam pipe 8b for discharging internal steam is connected to the steam drum 8. The saturated steam pipe 8b connects the steam drum 8 and the superheater 10. The steam in the steam drum 8 is supplied to the superheater 10 via the saturated steam pipe 8b. The superheater 10 uses the heat of the exhaust gas to superheat steam to generate superheated steam. The superheated steam passes through the pipe 10a, is supplied to the turbine 100 outside the plant 1, and is used for power generation.

The pressure and temperature of the steam discharged from the turbine 100 is lower than the pressure and temperature of the steam discharged from the superheater 10. Although not particularly limited, the pressure of the steam supplied to the turbine 100 is about 10 to 17 MPa, and the temperature is about 530 to 570 ° C. The pressure of the steam discharged from the turbine 100 is about 3 to 5 MPa, and the temperature is about 350 to 400 ° C.

A condenser 102 is provided downstream of the turbine 100. The steam discharged from the turbine 100 is supplied to the condenser 102, condensed in the condenser 102, returned to saturated water, and then supplied to the pump 7. A generator that converts the kinetic energy obtained by the rotation of the turbine 100 into electrical energy is connected to the turbine 100.

The pump 7a supplies make-up water so as to keep the water level of the condenser 102 constant. FIG. 1 shows a make-up water flow rate u1 replenished by the pump 7a.

The process data (operation data of the plant 1) handled in the present embodiment may be arbitrary data relating to the plant 1, but may be, for example, data obtained by measuring the state of the plant 1 with a sensor, and more specifically, it may be data. , Measured values such as temperature, pressure and flow rate of plant 1 may be included. FIG. 1 shows a boiler water supply flow rate u2 supplied from the pump 7 to the economizer 12. Further, FIG. 1 shows a boiler outlet steam flow rate u3 supplied from the superheater 10 to the turbine 100, and a saturated steam flow rate u4 supplied from the steam drum 8 to the superheater 10. The make-up water flow rate u1 may be controlled so as to follow the saturated steam flow rate u4. Further, the boiler supply water flow rate u2 may be controlled to follow the adjustment while monitoring both the boiler outlet steam flow rate u3 (or superheated steam flow rate) and the liquid level of the steam drum 8.

When a hole occurs in the plant 1, the make-up water flow rate u1 increases, or the flow rate difference between the boiler supply water flow rate u2 and the boiler outlet steam flow rate u3 increases. The DCS (Distributed Control System) 20 monitors the process data of the plant 1 such as the make-up water flow rate u1, the boiler supply water flow rate u2, the boiler outlet steam flow rate u3, and the saturated steam flow rate u4 for any abnormality.

Although the make-up water flow rate u1, the boiler supply water flow rate u2, the boiler outlet steam flow rate u3, and the saturated steam flow rate u4 are exemplified as process data, the process data related to the plant 1 may be other data. The process data for plant 1 may be other data such as temperature and pressure.

Next, the system 30 according to the embodiment of the present invention will be described with reference to FIGS. 2 to 4.

FIG. 2 is a diagram showing a functional block of the system 30 according to the present embodiment. FIG. 3 is a diagram showing a physical configuration of the system 30 according to the present embodiment. FIG. 4 is a diagram showing details of the functional block of the system 30 of FIG.

The DCS 20 is a distributed control system for controlling the plant 1, and as shown in FIG. 2, control for acquiring the process data from a sensor or the like provided in the plant 1 and controlling the plant 1 based on the process data. The signal is supplied to the plant 1.

The system 30 includes a control unit 31 and a device 32. The control unit 31 acquires the process data from the DCS 20, generates a control signal for displaying the state of the plant on the display screen of the device 32 based on the process data, and supplies the control signal to the device 32.

The device 32 is provided with a display screen for displaying the state of the plant. The device 32 displays the plant status on the display screen based on the control signal acquired from the control unit 31. The display screen of the device 32 will be described later.

Physically, as shown in FIG. 3, the system 30 includes a CPU (Central Processing Unit) 30a corresponding to a calculation unit, a RAM (Random Access Memory) 30b corresponding to a storage unit, and a ROM (ROM) corresponding to the storage unit. It has a Read only Memory) 30c, a communication unit 30d, an input unit 30e, and a display unit 30f, and each of these configurations is connected to each other via a bus so that data can be transmitted and received. In the present embodiment, the case where the system 30 is composed of one computer will be described, but the system 30 may be realized by combining a plurality of computers. For example, in addition to the display unit 30f, a display constituting a different display unit for displaying other information may be provided. Further, the display system 30 may be composed of a tablet terminal. By configuring the display system 30 with a tablet terminal, the display system 30 can be carried around, and for example, the display system 30 can be used while patrolling the plant 1. Further, the configuration shown in FIG. 3 is an example, and the system 30 may have configurations other than these, or may not have a part of these configurations. In addition, a part of the configuration may be provided in a remote place. For example, a control unit 31 having a CPU 30a or the like may be provided at a remote location. In this case, the device 32 having the display unit 30f or the like may be configured to acquire the control signal generated by the control unit 31 provided in the remote location via the network.

The CPU 30a is a calculation unit that controls execution of a program stored in the RAM 30b or ROM 30c, calculates data, and processes data. The CPU 30a is a calculation unit that executes a program (monitoring program) that displays a graph and a description of the process data of the plant 1. The CPU 30a receives various data from the input unit 30e and the communication unit 30d, displays the calculation result of the data on the display unit 30f, and stores the data in the RAM 30b.

The RAM 30b is a storage unit in which data can be rewritten, and may be composed of a semiconductor storage element such as a DRAM or SRAM, for example. The RAM 30b may store data such as a program executed by the CPU 30a and process data of the plant 1. It should be noted that these are examples, and data other than these may be stored in the RAM 30b, or a part of these may not be stored.

The ROM 30c is a storage unit capable of reading data, and may be composed of, for example, a semiconductor storage element such as a flash memory or an HDD. The ROM 30c may store, for example, a computer program for executing various processes shown in the present embodiment and data that is not rewritten. The data that is not rewritten includes, for example, information on the specifications of the plant 1 and the components of the plant 1.

The communication unit 30d is an interface for connecting the system 30 to other devices. The communication unit 30d may be connected to a communication network such as the Internet.

The input unit 30e receives data input from the user, and may include, for example, a keyboard and a touch panel.

The display unit 30f has a display screen for visually displaying the calculation result by the CPU 30a, and may be configured by, for example, an LCD (Liquid Crystal Display). The display unit 30f may display a graph or explanation of process data. Further, the display unit 30f may be provided so as to form one screen by connecting a plurality of displays.

The computer program for executing the various processes shown in the present embodiment may be stored in a storage medium readable by a computer such as ROM 30c and provided, or may be provided via a communication network connected by the communication unit 30d. May be provided. In the system 30, the CPU 30a executes the monitoring program to realize various operations included in the present embodiment. It should be noted that these physical configurations are examples and do not necessarily have to be independent configurations. For example, the system 30 may include an LSI (Large-Scale Integration) in which the CPU 30a and the RAM 30b or the ROM 30c are integrated.

As shown in FIG. 4, the system 30 includes a login display function 40, an abnormality display function 42, an abnormality detail display function 44, a sensor data detail display function 46, an abnormality history display function 48, a guide display function 50, and an evaluation item display. It has a function 52.

The login display function 40 displays information necessary for the operator to log in to the system 30. The information required for login is, for example, the user ID and password of the operator. The login display function 40 accepts input of a user ID and password from the operator, whereby the abnormality display function 42 is executed.

The abnormality display function 42 displays an abnormality display indicating the occurrence of an abnormality having the possibility of stopping the plant 1 and a warning display indicating the occurrence of a warning when the process data related to the plant reaches a predetermined state. Here, the abnormality display includes not only the case where an abnormality has occurred but also the case where there is a high possibility of an abnormality. Similarly, the warning display includes not only the case where a warning has occurred but also the case where the possibility of a warning is high. The warning display indicates the case where the process data is out of the predetermined threshold range, and indicates the occurrence of a state that has some influence on the operation of the plant 1, such as a decrease in the operation efficiency of the plant 1. ..

The abnormality detail display function 44 displays image information indicating the position of the pipe and the position of the sensor provided on the pipe in the entire plant 1, and also shows the abnormal state of the pipe detected by the sensor in a predetermined mode. .. The abnormality detail display function 44 displays, for example, detailed information capable of identifying the cause and countermeasure of the abnormality display by the abnormality display function 42.

The sensor data detailed display function 46 displays the sensor data that is the basis of the abnormal state shown in the predetermined mode in the abnormality detailed display function 44. The sensor data is also the process data of plant 1. The sensor data detailed display function 46 displays, for example, detailed information capable of identifying the cause and countermeasure of the abnormality detailed display by the abnormality detailed display function 44.

The abnormality history display function 48 displays the history of abnormality display by the abnormality display function 42. Further, the guide display function 50 displays a graph of process data corresponding to the warning display by the abnormality display function 42 and a description of the process data corresponding to the warning display adjacent to each other. Further, the evaluation item display function 52 displays the evaluation items for evaluating the state of the plant 1.

The arrows of each function block shown in FIG. 4 indicate that each function transitions based on an instruction from the operator. That is, in the system 30, based on the instruction from the operator, the abnormality display function 42 transitions to any one of the abnormality detail display function 44, the guide display function 50, and the evaluation item display function 52. Similarly, in the system 30, the transition from the abnormality detail display function 44 to any of the sensor data detail display function 46 and the abnormality history display function 48 is performed based on the instruction from the operator. Further, in the system 30, the transition from the evaluation item display function 52 to the guide display function 50 is performed based on the instruction from the operator. When each function transitions in the system 30, the display of the previous function may be replaced with the display of the next function, or the display of the next function may be displayed together with the display of the previous function remaining. May be done.

The specific operation of the various functional blocks of the system 30 described above will be described in more detail in the method and the description using the display screen described later.

Hereinafter, an example of a method using the system 30 will be described as a method according to an embodiment of the present invention. FIG. 5 is a flowchart of the method according to the present embodiment. 6 to 14 show an example of a display screen displayed by each functional block of the system 30. In the following, as one aspect of the abnormality having the possibility of stopping the plant 1, the case where the blast of the plant 1 occurs will be described as an example.

In FIG. 5, the abnormality display function 42 of the system 30 displays an abnormality display indicating the occurrence of an abnormality having the possibility of stopping the plant 1 and prompts the operator to confirm (S10). Specifically, the control unit 31 of the system 30 displays an abnormality display indicating the occurrence of an abnormality based on a plurality of process data acquired from the plant 1 by the DCS 20.

Here, an example of the display screen DP1 by the abnormality display function 42 will be described with reference to FIG. The display screen DP1 includes areas R10 to R15 and an evaluation item display 60.

In the area R10, "plant operation support system" is displayed as the name of the system 30, and "dashboard" is displayed as the status of the current screen. By displaying the area R10, it is possible to easily grasp which status in which system the current screen is.

In the upper left area R11 of the display screen DP1, information indicating the occurrence of an abnormality having the possibility of stopping the plant 1 and information on the time when the abnormality occurred are displayed. In FIG. 6, as an example of the information indicating the occurrence of an abnormality having the possibility of stopping the plant 1, the information "blast" is displayed in large-sized characters. Below that, as the current time information, the character information "2019/08/07 14:00" is displayed. This current time information is automatically updated, for example, every predetermined time (for example, every minute). Alternatively, manual update may be possible by the operation of the operator. From the information displayed in this area R11, the operator of the plant 1 recognizes that a serious abnormality with the possibility of stopping the plant 1, called a blast, has occurred as of 2:00 pm on August 7, 2019. can do. As a modification, the time information immediately below the information "explosion" may be the time when the abnormality occurs.

In the present embodiment, the information "blast" is used when it is determined that a blast has occurred (in the future, for example, it is determined that there is a high possibility that a blast will occur within a predetermined time, and the blast is generated. Including the case where it is judged that a symptom has appeared. The same shall apply hereinafter). The presence or absence of a blowout can be determined by comparing the process data acquired from a single sensor with a predetermined threshold value. Further, the presence or absence of the blast can be determined based on the process data acquired from a plurality of sensors according to a predetermined algorithm. The sensor is, for example, a plurality of AE (Acoustic Emission) sensors provided on a metal structure (such as a furnace wall pipe or a metal surface connected to a pipe) that can propagate without impairing the characteristics of generated elastic waves. , Various sensors provided in various parts of the plant 1 for detecting temperature, pressure, flow rate, valve opening degree, damper opening degree, liquid level, vibration, acoustic and other state quantities of the plant 1. In the present embodiment, the information "blowing" is displayed not only when, for example, the process data acquired from a single AE sensor shows an abnormal value exceeding a predetermined threshold value. Processes acquired from multiple types of sensors, such as multiple AE sensors, or AE sensors and other types of sensors, even if the process data acquired from a single AE sensor does not exceed a predetermined threshold. This includes the case where the data is processed according to a predetermined algorithm and it is determined that there is a high possibility that a blowout occurs according to a predetermined conditional expression. Therefore, as compared with the case where the process data obtained from each sensor is judged based on the knowledge and experience of the operator, it is possible to realize the early detection of the blast in a stable and accurate manner.

A predetermined algorithm selects a plurality of sensors that affect a predetermined abnormality based on know-how, empirical rules, etc., and process data of a plurality of sensors when a predetermined abnormality occurs (including process data before the occurrence of the abnormality). It may be based on a mathematical formula or a mathematical model derived by performing multivariate analysis or the like. Further, the predetermined algorithm may be an algorithm dynamically generated according to a predetermined learning model by machine learning, as will be described later.

Including the case where it is determined that no blast has occurred (including the case where it is determined that there is no possibility of rupture occurring within 24 hours in the future and no signs of rupture have appeared. The same shall apply hereinafter) or if it is determined that an eruption has occurred in the past, but it has been determined that no eruption has occurred due to subsequent measures, for example, "explosion". The background color may be changed while the characters of are displayed (for example, the background color may be changed from red to green), or the characters of "blast" may be changed to be hidden. Therefore, when the information "blowing" is displayed in the area R11 or the background color thereof remains red, for example, the operator of the plant 1 reaches the current time displayed immediately below the area R11. It can be easily recognized that the blast is continuing in the plant 1 or that the blast is likely to occur in the near future.

When it is determined that a blast has occurred, the display may be emphasized by means such as blinking, and when it is determined that a blast has not occurred, the display may be suppressed. Further, when it is determined that the blast has occurred, a sound effect such as a warning sound or a voice may be output. Further, the area R11 may be simultaneously displayed with information indicating the probability that an abnormality having a possibility of stopping the plant 1 has occurred. For example, if the probability is high, red may be used as the background color of the region R11, and if the probability is low, green may be used as the background color of the region R11. In this way, the high probability may be intuitively grasped by the degree of color. Further, in order to display a plurality of types of abnormalities in an identifiable manner, character information indicating the name of the abnormalities that have occurred may be displayed. Further, when it is determined that no abnormality has occurred, character information indicating that no abnormality has occurred, such as "none", may be displayed.

By looking at the area R11, the operator can easily recognize the occurrence of an abnormality such as a blast that has the possibility of stopping the plant 1 (including a state in which a blast is likely to occur in the near future). It will be possible. The abnormality that has the possibility of stopping the plant 1 is not limited to the blowout. For example, an abnormal pipe in which the inside of the pipe is blocked by a scale (inorganic substance brought into the pipe by water supply or the like) accumulated inside the pipe of the superheater can be detected as an abnormality having a possibility of stopping the plant 1. You may.

Region R11 includes the explanatory text 62 related to "blowing". The explanation 62 includes a sensor that has detected the occurrence of the blast, a method for detecting the sensor, a type of process data, a cause of the blast and its countermeasures, an action to be taken next by the operator, and the like. The explanatory text 62 may include, for example, content that prompts the operator to select the “blast” display of the area R11. By displaying the explanatory text 62 related to such an abnormality display adjacent to the abnormality display, the operator can easily grasp the current state of the plant 1 and the action to be taken next.

In the lower left area R12 of the display screen DP1, a warning display indicating the occurrence of a warning when the process data related to the plant is in a predetermined state is displayed as "latest alarm information". The warning display displays a predetermined state of process data that affects the operating efficiency of the plant 1, and does not have the possibility of stopping the plant 1 such as a blowout, but the operating efficiency of the plant 1. Is to reduce. In the area R12, the occurrence history of the warning display is displayed in a state in which the time information indicating the occurrence time and the information indicating the content thereof are arranged in the order of the occurrence time. For example, at the beginning of the area R12, the time information "2019/08/07 13:15:00" and the information indicating the content of the warning "boiler efficiency (loss method)" are displayed in association with each other. .. According to the information displayed in this area R12, the operator of the plant 1 is warned about the plant 1 that the boiler efficiency is reduced under the heat loss method at 1:15: 00 pm on August 7, 2019. It is possible to recognize that it has occurred. Similarly, the operator of the plant 1 can recognize the time information indicating the time when the predetermined state of other process data affecting the operating efficiency of the plant 1 occurs and the history of the information indicating the contents thereof.

The alarm in the area R12 may include a case where it is determined that a warning has occurred (for example, in the future, for example, when it is determined that a predetermined state of process data affecting the operation efficiency will occur within a predetermined time). Is displayed. Process data warnings are determined based on process data acquired from a single sensor, similar to plant 1 anomalies such as blasts, and are dynamic according to a given algorithm (machine learning according to a given model). Including the case where the judgment is made based on the process data acquired from a plurality of sensors according to (including the algorithm generated in). At the current time, the alarm for which the warning is continuing may be displayed in red, for example, and the alarm for which the confirmation of the warning has been completed may be displayed in black, for example.

When any of the items listed in the area R12 is selected by the operator, the guide display function 50 displays the display screens DP5a to DP5d. Details of this display function and display screen will be described later (see FIGS. 10 to 13).

According to the regions R11 and R12 in such a display screen DP1, the system 30 displays a serious abnormality having a possibility of stopping the plant 1 and a warning affecting the operating efficiency of the plant 1 in different modes in different regions. It has a function to display at the same time. Therefore, the operator can easily recognize both a serious abnormality that may cause the plant 1 to stop and a warning that affects the operation efficiency. In addition, for serious abnormalities that may cause the plant 1 to stop, it is displayed whether or not such abnormalities are currently occurring, while for warnings that affect operating efficiency, the warning occurrence history is displayed. It is configured to do. Therefore, the operator can easily recognize whether or not a serious abnormality is currently occurring by looking at the area R11. Further, by looking at the area R12, it is possible to easily recognize whether or not the warning affecting the operation efficiency is generated a plurality of times. As for the warnings that affect the driving efficiency, the time information indicating the time when the warning occurs and the information indicating the content of this warning are displayed in the order in which they occur, so that the warnings affecting the driving efficiency are displayed. And the contents of various warnings (including abnormalities that occur in components other than the boiler) that affect the operation efficiency can be easily grasped. It should be noted that the region R11 may not display the history of warnings that affect the operating efficiency of the plant 1 and the history of serious abnormalities that may cause the plant 1 to stop. In general, an operator must monitor a large number of events and parameters in order to properly operate a plant including plant 1. For this reason, it is preferable to display information efficiently and quickly so as to convey information that is highly important to the operator and not to convey information that is less important to the operator. By not displaying less important information on purpose, the operator can easily recognize whether or not a serious abnormality is currently occurring by looking at the area R11.

Area R13 is provided in the space between the area R11 and the area R12 in the center on the left side of the display screen DP1. In the area R13, a plurality of components constituting the plant 1 are displayed as "equipment / component-specific" information. In addition, components that may have issued warnings that affect operating efficiency are displayed in a manner different from other components.

Specifically, "plant", "boiler", "turbine", "generator" and "auxiliary machine" are displayed as the components of plant 1. The "boiler" corresponds to the parts constituting the boiler such as the furnace 2. The "turbine" corresponds to a component constituting the turbine, such as the turbine 100. “Auxiliary equipment” corresponds to parts such as pump 7 and pump 7a that do not correspond to main parts such as boilers. Further, a component such as a "generator" that constitutes the plant 1 and is likely to generate a warning may be appropriately set as a component. In addition, the process data that causes the warning that affects the operation efficiency is identified, and based on this, the components that are currently issuing the warning (for example, "boiler" and "generator") are, for example, red. Components that are displayed in the background color and no warning is generated (for example, "plant" and "turbine") are displayed in the background color of green, for example, and components for which evaluation items are not set (for example, "auxiliary equipment") are displayed. It is configured to be displayed in gray. Further, the alarm in which the warning continues is displayed in red in the area R12, and the component corresponding to the alarm is displayed in the area R13 with a red background color, which causes a warning that affects the driving efficiency. The components may be configured to be easily identifiable.

By looking at the area R13, the operator can easily recognize which component of the plant 1 may have a warning that affects the operation efficiency. Further, by looking at the area R12 and the area R13, it is possible to identify the component in which the warning continues at the present time even though the warning is generated a plurality of times based on the area R12. Further, in the area R12 alone, even an operator who cannot infer a component that may have generated a warning affecting the operation efficiency can recognize such a component by looking at the area R13. Become.

In the lower right area R15 of the display screen DP1, the number of times the data acquired by the sensor shows an abnormal value is displayed in a manner in which the occurrence history of the abnormality is arranged for each sensor. Specifically, as the "DCS alarm aggregation" information, a Pareto chart is shown in which the number of abnormalities determined by the DCS 20 is aggregated for each sensor within a predetermined time, for example, within the past 24 hours, and arranged in descending order. ing. The "alarm 1", "alarm 2", and the like in FIG. 6 may be configured to display specific sensor identification information. For example, as the alarm 1, the identification information of the AE sensor provided at a specific position may be displayed. Further, as the alarm 1, the item name detected by the specific sensor may be displayed. For example, as the alarm 1, information for identifying the make-up water flow rate u1 may be displayed.

The DCS 20 is configured to compare the process data acquired from a single sensor with a predetermined threshold value and determine that an abnormality has occurred when the process data shows an abnormal value exceeding the threshold value. The DCS 20 is not configured to determine the presence or absence of an abnormality based on process data acquired from a plurality of sensors according to a predetermined algorithm.

By looking at the area R15, the operator can recognize items that have a high risk of developing a defect because the frequency of abnormalities is high.

The operator can compare the "latest alarm information" displayed in the area R12 or the information displayed in the area R11 with the "DCS alarm total" displayed in the area R15 to obtain an abnormality in the operating efficiency. It becomes possible to infer information about the cause. For example, when "blast" is displayed in the area R1, if a predetermined sensor installed in the boiler and affecting the blow shows a large number of abnormalities in the area R15, the sensor blows in the vicinity of the sensor. It is possible to infer that an abnormality that causes the failure has occurred. Further, when the warning of "SH heat collection amount" is generated a plurality of times in the area R12, a predetermined sensor installed in the furnace and affecting the operation efficiency indicates a large number of abnormalities in the area R15. Then, it is possible to infer that an abnormality that causes a decrease in operating efficiency has occurred in the vicinity of the sensor.

Information indicating the operation record of the plant 1 is displayed in the area R14 on the upper right of the display screen DP1. For example, in the region R14, one or a plurality of trend graphs having an index important for stable operation as the vertical axis and the horizontal axis as time are displayed. In FIG. 6, for example, "boiler efficiency (loss method) [% -LHV]", "power generation end efficiency [%]" (an example of "information indicating operating efficiency"), "generator power [MW]" and Four trend graphs of "transmitted power [MW]" are shown. The index to be displayed in the area R14 can be arbitrarily selected by the operator.

According to this, among various abnormalities that may occur in the plant 1 when displaying the information for operating the plant 1 in the limited area of the display screen DP1, the abnormality that has the possibility of stopping the plant 1 Is displayed in the area R11, which is an area independent of the area for displaying other abnormalities, and the warning affecting the operating efficiency of the plant 1 is displayed in the area R12 different from the area R11. Further, regarding the operation efficiency, since the occurrence history is displayed, it is possible to grasp the overall tendency of the operation efficiency. The operator can easily recognize the presence / absence of an abnormality having the possibility of stopping and the presence / absence of a warning that affects the operation efficiency. Further, in the area R15, the number of times that the data acquired by each sensor shows an abnormal value is displayed for each sensor, so that the cause of the abnormality having a possibility of stopping and the warning affecting the operation efficiency can be estimated. Becomes possible. In addition, the information displayed in the area R14 makes it possible to easily recognize the component in which the warning affecting the operation efficiency may have occurred.

The evaluation item display 60 is displayed below the area R12, for example, and is displayed as "evaluation item list" to prompt confirmation of a plurality of evaluation item lists. The evaluation item display 60 prompts confirmation of the evaluation item for evaluating the state of the plant, and when the evaluation item display 60 is selected by the operator on the display screen DP1, the evaluation item display function 52 displays the state of the plant. The display screen DP6 of the evaluation item to be evaluated is displayed. Details of this display function and display screen will be described later (see FIG. 14).

Returning to the flowchart of FIG. 5, the abnormality display function 42 accepts the selection from the operator for the abnormality display (S11). For example, when the operator selects the abnormality display "blast" displayed in the area R11 on the display screen DP1 shown in FIG. 6, the abnormality detail display function 44 displays the details of the abnormality (S12). ..

Here, an example of the display screen DP2 by the abnormality detailed display function 44 will be described with reference to FIG. 7. The display screen DP2 includes areas R20 to R24, a screen update display 72, an abnormality confirmation display 74, and an abnormality history display 76.

In the area R20, "plant operation support system" is displayed as the name of the system 30, and "explosion details" is displayed as the status of the current screen. By displaying the area R20, it is possible to easily grasp which status in which system the current screen is.

In the area R21 on the right side of the display screen DP2, the positions of the pipes in the entire plant 1 and the positions of the sensors provided in these pipes (in FIG. 7, "circled numbers 1 to 7" are shown, but this specification In the book, it is written as "(1) to (7)"), and the image information indicating is displayed. The position of the pipe in the entire plant 1 in the region R21 corresponds to the plant 1 shown in FIG. In the present embodiment, the three pipes constituting the superheater 10 of the plant 1 and the three AE sensors ((1), (2), (3)) provided in each of the three pipes are used in the entire plant 1. The position and the position of the two pipes constituting the economizer 12 and the two AE sensors ((4) and (5)) provided in each of the two pipes in the entire plant 1 are the areas of the display screen DP2. It is displayed on R21. Further, in the present embodiment, the furnace wall pipe 6 adjacent to the furnace 2 of the plant 1 and the AE sensors ((6), (7)) provided at the upper and lower portions of the furnace wall pipe 6 are used in the entire plant 1. The position is also displayed in the area R21 of the display screen DP2. These pipes (superheater 10 pipe, economizer 12 pipe, furnace wall pipe 6) and the corresponding AE sensors (1) to (7) are examples, and other pipes and AE sensors are also in the area. It can be displayed on R21. Further, the AE sensor is provided on a metal surface connected to a furnace wall pipe or a pipe, and is provided on a metal structure capable of propagating without impairing the characteristics of generated elastic waves.

Further, the area R21 is configured to display the state of the tube detected by the AE sensor in a predetermined mode. For example, among the AE sensors (1) to (7) displayed in the area R21, the process data (AE signal (waveform) obtained by signal processing and extracted from the specific AE sensor (for example, (1)) is an AE parameter. ) Indicates an abnormal value exceeding a predetermined threshold value, and when it is determined that a blowout has occurred in the corresponding pipe (the pipe of the superheater 10), the abnormality detailed display function 44 uses the specific AE. The display of the sensor ((1)) is blinked, or the display color of a specific AE sensor ((1)) is different from the display color of other AE sensors ((2) to (7)).

Further, the abnormality detail display function 44 displays the determination information used when the state of the pipe is determined by a predetermined algorithm based on the process data (operation data of the plant 1) related to the plant 1 in the area R22 of the display screen DP2. Display in chronological order. In the present embodiment, process data different from the process data (AE parameters extracted by signal processing the AE signal (waveform)) acquired by the AE sensors ((1) to (7)) is processed according to a predetermined algorithm. As a result, the possibility of blowout (abnormality) is calculated, and the reliability (reliability) of the process data and algorithm used for the calculation is calculated. The degree of abnormality and the degree of reliability are examples of determination information. Then, the abnormality detail display function 44 displays a time chart having both the abnormality degree and the reliability as the vertical axis and the latest 24 hours as the horizontal axis above the area R22 of the display screen DP2. Above the region R22 shown in FIG. 7, the broken line is the time chart of the degree of abnormality, and the solid line is the time chart of the reliability. The operator can identify the time zone in which the blast may have occurred by visually recognizing the time charts of both the degree of abnormality and the degree of reliability. For example, in the example shown in FIG. 7, the operator can determine that the blast may have occurred after the time 11:00 when both the abnormality degree and the reliability show high values.

Further, as shown in FIG. 7, the abnormality detail display function 44 has two types of parameters α and β (feature amount data having an influence on the determination of the abnormality degree and the reliability) having correlations with the abnormality degree and the reliability, respectively. The time chart is displayed below the area R22. The parameters α and β are also examples of determination information. In FIG. 7, the alternate long and short dash line is the time chart of the parameter α having a correlation with the degree of abnormality, and the alternate long and short dash line is the time chart of the parameter β having a correlation with the reliability. The operator is concerned with the occurrence of the blast by visually recognizing the time charts of the anomaly degree and the reliability displayed above the area R22 and the time charts of the two types of parameters α and β arranged below the area R22. Can make comprehensive judgments. The parameters α and β are derived from, for example, the calculation formulas of the process leading to the calculation of the degree of abnormality and the degree of reliability, and the accuracy of the degree of abnormality and the degree of reliability may be used for confirmation. In the example shown in FIG. 7, one graph correlates with the determination information, but a plurality of graphs may be displayed.

Further, the abnormality detail display function 44 is based on the detection result of the state of the pipe by the AE sensor and the process data different from the process data (AE parameter extracted by signal processing the AE signal (waveform)) acquired by the AE sensor. Both the determination result of the state of the tube and the determination result are displayed in the same format in the area R23 of the display screen DP2. The abnormality detail display function 44 in the present embodiment displays the detection result by the AE sensor in the last 24 hours as to whether or not the pipe has blown up in a horizontally long bar chart above the area R23 in chronological order. (Displayed as "AE method"). In addition, the abnormality detail display function 44 displays the determination results based on the process data and the algorithm in the last 24 hours regarding whether or not the pipe has blown out in a time-series manner in a horizontally long bar chart below the area R23. It is displayed in (displayed as "logic"). That is, in the present embodiment, both the detection result by the AE method and the determination result by the logic are displayed in chronological order on a bar chart of the same format. Further, in the present embodiment, the time axis in each time chart displayed in the area R22 and the time axis in each bar chart displayed in the area R23 are displayed in conjunction with each other.

In each bar chart, the area indicated by the hatching of the "horizontal line" indicates the time zone when it is determined (detected) that the blast has occurred and the operator has already confirmed the fact. The area where the exclamation mark is displayed indicates the time zone when it is determined (detected) that the blast has occurred and the operator has not yet confirmed the fact. On the other hand, the area indicated by the hatching of the "upward diagonal line" indicates the time zone in which it is determined (detected) that the blast has not occurred and the operator has not yet confirmed the fact, and is "painted in black". The area of indicates a time zone in which it is determined (detected) that no blast has occurred and the operator has already confirmed the fact. The operator visually recognizes both bar charts, and the time zone in which the areas where the exclamation marks are displayed mainly in "white" overlap (for example, around 14:00, around 8:00, etc.) ), It can be judged that there is a high possibility that an eruption has occurred.

The operator can grasp a specific AE sensor (for example, (1)) corresponding to the pipe in which the blast is occurring at the present time by displaying the area R21 of the display screen DP2, and the display screen. By displaying the area R23 of DP2, the time history of the occurrence of the blast can be grasped. Therefore, how long has passed since the blowout occurred in the pipe corresponding to the specific AE sensor (for example, (1)) by visually recognizing both the area R21 and the area 23. Can be grasped.

In the example shown in the present embodiment, both the determination results of the AE method and the logic method indicate the occurrence of the blast at the present time "14:00", whereby the abnormality display function 42 displays the previous display. In the area R11 of the screen DP1, an abnormality display indicating the occurrence of the blast is to be displayed. In this case, in the explanatory text 62 of the area R11 of the display screen DP1, it may be displayed that the determination results of the AE method and the logic method both indicate the occurrence of the blast. The abnormality display by the abnormality display function 42 is not limited to the case where both the AE method and the logic method indicate the occurrence of the blast, and can also be displayed when one of them indicates the occurrence of the blast. In this case, in the explanation 62 of the area R11 of the display screen DP1, it may be displayed whether the method for determining the occurrence of the blast is the AE method or the logic method.

In the area R24 of the display screen DP2, the explanatory text 70 related to the "blast" is displayed. The explanatory text 70 on the display screen DP2 may indicate the content of the abnormality in more detail than the explanatory text 62 on the display screen DP1. For example, in the case of the occurrence of an eruption by the AE method, the explanation 70 indicates a specific AE sensor that is the basis of the abnormality display indicating the occurrence of the eruption, and confirms the data of this specific AE sensor with the operator. It can include content that encourages you to do so. In this way, the explanatory text 70 related to the abnormality display is displayed on the display screen DP2 showing the details of the abnormality display, so that the operator can view the state of the plant 1 from a more detailed viewpoint than the display screen DP1. You can easily grasp the current situation and the action to be taken next.

When the screen update display 72 is selected by the operator on the display screen DP2, the display contents of the display screen DP2 are updated. In this way, the contents of the latest display screen DP2 can be grasped without transitioning to a different display such as the display screen DP1.

When the blowout confirmation display 74 is selected by the operator on the display screen DP2, the system 30 determines that the blowout has been confirmed by the operator, and returns to the display screen DP1 shown in FIG. Occasionally, it can be displayed in a mode different from the abnormality display indicating that a blast that has the possibility of stopping the plant 1 has occurred. In this case, for example, the characters "blast" may not be displayed on the display screen DP1, or the highlighting of "blast" may be suppressed. At the same time, sound effects such as warning sounds or sounds may be stopped.

When the blowout history display 76 is selected by the operator on the display screen DP2, the display screen DP4 is displayed by the abnormality history display function 48. Details of this display function and display screen will be described later (see FIG. 9).

Returning to the flowchart of FIG. 5, the abnormality detail display function 44 is an operator for displaying the abnormal state of the pipe corresponding to the specific AE sensor ((1)) showing the abnormal value in the area R21 of the display screen DP2. Accepts the selection from (S13). For example, when the operator selects the display of a specific AE sensor (for example, (1)) among the AE sensors ((1) to (7)) displayed in the area R21 on the display screen DP2, the sensor data detailed display is displayed. Function 46 displays data from a particular AE sensor (eg, (1)) that is the basis for an abnormal condition indicating the occurrence of a blast (S14).

Here, an example of the display screen DP3 by the sensor data detailed display function 46 will be described with reference to FIG. The display screen DP3 includes areas R30 to R34.

In the area R30, "Blowout details" is displayed as the status of the current screen. By displaying the area R30, it is possible to easily grasp which status the current screen is in.

The area R31 above the display screen DP3 accepts inputs for date and time, sensor number, and Y-axis adjustment. Further, in the region R32 below the display screen DP3, the data of a specific AE sensor (for example, (1)), which is the basis of the abnormal state indicating the occurrence of the blast, is displayed in chronological order by the sensor data detailed display function 46. It is displayed in. In the example shown in FIG. 8, the vertical axis is the process data (AE parameter extracted by signal processing the AE signal (waveform)) detected by the specific AE sensor ((1)), and the horizontal axis is the latest 24 hours. The time chart is displayed in the area R32 of the display screen DP3. When a blast occurs, a large amount of energy (elastic wave) is emitted as compared with normal operation. Therefore, for example, the operator visually recognizes the time series graph displayed in the area R32 of the display screen DP3 and maximizes the AE parameter. It can be determined that the blast occurred during the time when the value was generated. By inputting the date and time, sensor number, and Y-axis adjustment of the area R31, the operator can display or change the date and time and sensor number of the target graph in the area R32, or display or change the Y-axis of specific sensor data. You can adjust the scaling of. In this way, the operator can easily and quickly analyze each sensor data.

Further, in the space between the area R30 and the area R31 of the display screen DP3, the explanatory text 80 related to the "blast" is displayed. The explanatory text 80 on the display screen DP3 may indicate the content of the abnormality in more detail than the explanatory text 70 on the display screen DP2. For example, the explanatory text 80 may display the contents such as the tendency, analysis, and coping method of the data of the specific AE sensor that is the basis of the abnormality display indicating the occurrence of the blast. In this way, the explanatory text 80 related to the abnormal display is displayed on the display screen DP3 displaying the sensor data that is the basis of the abnormal state, so that the operator can check the state of the plant 1 more than the display screen DP2. From a more detailed perspective, it is possible to easily grasp the current situation and the action to be taken next.

The display screen DP3 can also be displayed by the display unit 30f at the same time as the display screen DP2. This allows the operator to simultaneously grasp the details of the blowout and the sensor data on which it is based.

According to such display screens DP2 and DP3, image information indicating the position of the pipe in the entire plant 1 and the position of the AE sensor provided on the pipe is displayed in the area R21 of the display screen DP2 and blown out. The AE sensor (for example, (1)) corresponding to the tube in which the above is generated can be displayed in a predetermined mode (for example, blinking or coloring). Further, the determination information used when the state of the tube is determined by a predetermined algorithm can be displayed in time series in the area R22 of the display screen DP2. Therefore, the operator who visually recognizes the display screen DP2 of the system 30 can grasp the position of the pipe and the AE sensor in the entire plant 1, and also determines or detects by a different method (both the AE sensor and the algorithm). It is possible to grasp the state of the pipe. That is, the operator can efficiently grasp important information necessary for monitoring the pipe only by visually recognizing, for example, a single screen (display screen DP2), and therefore makes a comprehensive judgment. be able to. For example, (i) when the occurrence of the blast is detected and determined by both the AE sensor (region R21) and the algorithm (region R22), the operator causes the blast to occur in a specific pipe in the plant 1. By selecting the AE sensor that detected the occurrence of the blast in the area R21, the time history of the sound pressure level of the AE sensor is confirmed in the area R32 of the third screen DP3 (FIG. 8). However, it is possible to identify at what time the blast occurred. Further, (ii) If the AE sensor (region R21) detects the occurrence of a blast, while the algorithm (region R22) does not determine the occurrence of a blast, the operator can perform any of the pipes in the plant 1. By selecting the AE sensor that detected the occurrence of the blast in the area R21, the sound pressure level of the AE sensor in the area R32 of the third screen DP3 (FIG. 8) was determined. The certainty of the blast can be determined by confirming the time history of the above and the determination information (abnormality and reliability) in the region R22. Further, (iii) when the algorithm (region R22) determines the occurrence of a blast even though the AE sensor (region R21) does not detect the occurrence of a blast, the operator can perform the operation in the plant 1. Judgment information in the region R22 (in addition to the degree of abnormality and reliability, two types of parameters α having correlations with the degree of abnormality and reliability, respectively, The certainty of the blast can be judged based on β). Therefore, the system 30 can contribute to the stable operation of the plant 1.

Further, in the system 30, both the detection result of the tube state by the AE sensor and the determination result of the tube state based on a predetermined algorithm are in the same format (bar chart format) in the area R23 of the display screen DP2. Can be displayed with. Therefore, the operator can visually recognize and grasp the pipe state determination (detection) results by different methods in the same format, and can make a comprehensive determination.

Further, in the system 30, the detection information detected by the specific sensor (for example, (1)) selected from the AE sensors displayed in the area R21 of the display screen DP2 is transmitted from the display screen DP2 having the area R21 and the like. It can be displayed in time series in the area R32 of the transitioned display screen DP3. Therefore, there is an advantage that the detection information can be enlarged and displayed in the area R32 of the display screen DP3 different from the display screen DP2 having the area R21 and the like, and the time history of the detection information can be grasped in detail.

As described above, using the flowchart of FIG. 5, as the transition of each function block in FIG. 4, the transition from the login display function 40 to the abnormality display function 42, the transition from the abnormality display function 42 to the abnormality detail display function 44, and the transition from the abnormality display function 42 to the abnormality detail display function 44, and Although the transition from the abnormality detailed display function 44 to the sensor data detailed display function 46 has been described, the transition of each functional block is not limited to this. In the following, the transition to the other functional blocks shown in FIG. 4 will be described with reference to FIGS. 9 to 14.

FIG. 9 shows an example of the display screen DP4 by the abnormality history display function 48. This display screen DP4 is a screen that is displayed when the blowout history display 76 is selected by the operator on the display screen DP2. The display screen DP4 includes areas R40 to R43.

In the area R40, information indicating the status of the current screen and the transition of the screen so far is displayed. In FIG. 9, "Dashboard> Blow-up details>" is displayed, and it is understood that the current display screen DP4 has changed in the order of display screen DP1 (dashboard) and display screen DP2 (blow-up details). be able to.

Area R41 accepts input of the date and time when the abnormality was determined to occur, the type of determination (AE method or logic method), whether or not the correctness was determined, and the maximum number of displayed items. When the operator selects the search display after inputting each item of the area R41, the search result is displayed in the area R43.

Area R42 accepts correct / incorrect judgment (confirmed report / false report / missed report) and input of comments as a result of abnormality. Further, in the area R42, it is possible to input the occurrence date and time and the release date and time of the occurrence of an abnormality such as a blowout that could not be detected by the system 30 as a false report.

The detection result by the area R41 is displayed in the area R43. Specifically, the area R43 displays desired search results according to the date and time when the abnormality occurred, the date and time when the abnormality was released, the type of the abnormality, the number of the sensor that detected the abnormality, whether or not the correctness was determined, and the like. As a result, the operator can easily grasp the history of the occurrence of the abnormality.

10 to 13 show an example of a display screen by the guide display function 50. The display screens DP5a to DP5d are screens displayed by the operator selecting any of the items listed in the area R12 on the display screen DP1.

FIG. 10 shows a first example of a display screen by the guide display function 50. The display screen DP5a is displayed by transitioning from the display screen DP1 in response to the selection of the warning display in the area R12 of the display screen DP1. The display screen DP5a includes a region R51a and a region R52a. By the system 30, the outline of the state of the plant 1 can be confirmed through a plurality of process data on the display screen DP1, and the state of the plant 1 can be confirmed in detail through the specific process data on the display screen DP2. When the display content of the display screen DP2 is confirmed and the transition to the display screen DP1 is made, it is shown that the corresponding alarm in the "latest alarm information" has been confirmed. Confirmation is indicated, for example, by changing the characters originally displayed in red to black. Further, when the transition button indicated by "1/10" is pressed at the bottom of the display screen DP5a, other graphs related to the selected alarm are displayed.

In the case of this example, the region R51a is the first graph (scatter plot) of "boiler efficiency (loss method) (%)" and "boiler load (%)" and "boiler efficiency (loss method) (%)". Includes a second graph showing time changes. In the area R51a, a graph of the second process data (boiler load in this example) related to the first process data (boiler efficiency (loss method) in this example) can be displayed. In this way, by displaying not only the graph of the first process data but also the graph of the related second process data, the state of the plant can be monitored from various angles. The first graph may also display a threshold value for determining whether or not to issue an alarm. In addition, the second graph may also display a threshold value for determining whether or not to issue an alarm, or may also display the time when the cause of the alarm occurs. Further, the graph of the second process data related to the first process data is not limited to one, and two or more graphs may be displayed. In the case of this example, by pressing the transition button indicated as "1/10" at the bottom of the display screen DP5a, another graph of the second process data is displayed. The same applies to the other display screens shown in FIGS. 11 to 13 described later.

Further, the guide display function 50 is configured to be able to display a second graph of the first process data different from the first graph in the area R51a. The first graph (scatter plot) of the first process data "boiler efficiency (loss method) (%)" and the second graph showing the time change of "boiler efficiency (loss method) (%)" are shown. By displaying a plurality of types of graphs for the first process data, the state of the plant 1 can be monitored from various angles. The guide display function 50 may display three or more graphs related to the first process data.

The guide display function 50 is configured to be able to display an explanatory text regarding the first process data in the area R52a of the display screen adjacent to the area R51a. In the case of this example, the guide name is "boiler efficiency", the content is "boiler efficiency (heat input / output method)", and the date and time of occurrence is "2019/08/07 10:35:24". In the column, the text explaining how to capture the event from the graph entitled "1. Monitoring point (how to read the graph)" and the state of the first process data entitled "2. Correspondence method" are optimized. Contains text explaining how to do this. The method for optimizing the state of the first process data is a method for optimizing the state in which the process data of interest exceeds the threshold value and keeping it within the threshold value.

In "1. Monitoring point (how to read the graph)", the definition of boiler efficiency (loss method) and the calculation formula are described. With such an explanation, it is possible to confirm the method of capturing the event from the graph, and it becomes easy to understand what kind of event is occurring.

In "2. Countermeasures", items to be confirmed are listed when the boiler efficiency (loss method) is in an unusual state. With such an explanation, it is possible to confirm the method for optimizing the state of the first process data, and it becomes easy to understand what kind of measures are required.

FIG. 11 shows a second example of the display screen by the guide display function 50. The display screen DP5b is displayed by transitioning from the display screen DP1 in response to the selection of the warning display in the area R12 of the display screen DP1. The display screen DP5b includes a region R51b and a region R52b.

In the case of this example, the region R51b shows the time change of the first graph (scatter plot) of "evaporation multiple (-)" and "boiler load (%)" and "boiler efficiency (loss method) [% -LHV]". Includes a second graph showing. In this way, the region R51b is configured to be able to display a graph of the second process data (boiler efficiency (loss method) in this example) related to the first process data (evaporation multiple in this example). In this way, by displaying not only the graph of the first process data but also the graph of the related second process data, the state of the plant can be monitored from various angles.

The guide display function 50 is configured to be able to display an explanatory text regarding the first process data in the area R52b of the display screen adjacent to the area R51b. In the case of this example, the guide name is "boiler efficiency", the content is "boiler efficiency (heat input / output method)", and the date and time of occurrence is "2019/08/07 10:35:24". In the column, the text explaining how to capture the event from the graph entitled "1. Monitoring point (how to read the graph)" and the state of the first process data entitled "2. Correspondence method" are optimized. Contains text explaining how to do this.

In "1. Monitoring point (how to read the graph)", the definition of the evaporation multiple and the calculation formula are described. With such an explanation, it is possible to confirm the method of capturing the event from the graph, and it becomes easy to understand what kind of event is occurring.

In "2. Correspondence method", items to be confirmed are listed when the evaporation multiple is in an unusual state. With such an explanation, it is possible to confirm the method for optimizing the state of the first process data, and it becomes easy to understand what kind of measures are required.

FIG. 12 shows a third example of the display screen by the guide display function 50. The display screen DP5c is displayed by transitioning from the display screen DP1 in response to the selection of the warning display in the area R12 of the display screen DP1. The display screen DP5c includes a region R51c and a region R52c.

In the case of this example, the region R51c is the first graph (scatter plot) of "turbine steam consumption rate (kg / kWh)" and "power generation amount (MW)" and "turbine steam consumption rate (kg / kWh)". Includes a second graph showing time changes. In this way, the region R51c is configured to be able to display a graph of the second process data (power generation amount in this example) related to the first process data (turbine steam consumption rate in this example). In this way, by displaying not only the graph of the first process data but also the graph of the related second process data, the state of the plant can be monitored from various angles.

Further, the guide display function 50 is configured to be able to display a second graph of the first process data different from the first graph in the area R51c. The first graph (scatter plot) of the first process data "turbine steam consumption rate (kg / kWh)" and the second graph showing the time change of the "turbine steam consumption rate (kg / kWh)" are shown. By displaying a plurality of types of graphs for the first process data, the state of the plant 1 can be monitored from various angles.

The guide display function 50 is configured to be able to display an explanatory text regarding the first process data in the area R52c of the display screen adjacent to the area R51c. In the case of this example, the guide name is "boiler efficiency", the content is "boiler efficiency (heat input / output method)", and the date and time of occurrence is "2019/08/07 10:35:24". In the column, the text explaining how to capture the event from the graph entitled "1. Monitoring point (how to read the graph)" and the state of the first process data entitled "2. Correspondence method" are optimized. Contains text explaining how to do this.

In "1. Monitoring point (how to read the graph)", the definition of the steam consumption rate and the calculation formula are described. With such an explanation, it is possible to confirm the method of capturing the event from the graph, and it becomes easy to understand what kind of event is occurring.

In "2. Countermeasures", items to be confirmed are listed when the steam consumption rate is in an unusual state. With such an explanation, it is possible to confirm the method for optimizing the state of the first process data, and it becomes easy to understand what kind of measures are required.

FIG. 13 shows a fourth example of the display screen by the guide display function 50. The display screen DP5d is displayed by transitioning from the display screen DP1 in response to the selection of the warning display in the area R12 of the display screen DP1. The display screen DP5d includes a region R51d and a region R52d.

In the case of this example, the region R51d is the first graph (scatter plot) of "steam consumption rate (fuel salary base) (kg / kWh)" and "power generation amount (MW)" and "steam consumption rate (fuel salary base)". ) (Kg / kWh) ”includes the second graph showing the time change. In this way, the region R51d is configured to be able to display a graph of the second process data (power generation amount in this example) related to the first process data (in this example, the steam consumption rate (fuel salary base)). In this way, by displaying not only the graph of the first process data but also the graph of the related second process data, the state of the plant can be monitored from various angles.

Further, the guide display function 50 is configured to be able to display a second graph of the first process data different from the first graph in the area R51d. The first graph (scatter plot) of the first process data "steam consumption rate (fuel salary base) (kg / kWh)" and the time change of "steam consumption rate (fuel salary base) (kg / kWh)" By showing the second graph to be shown and displaying a plurality of types of graphs for the first process data, the state of the plant 1 can be monitored from various angles.

The guide display function 50 is configured to be able to display an explanatory text regarding the first process data in the area R52d of the display screen adjacent to the area R51d. In the case of this example, the guide name is "boiler efficiency", the content is "boiler efficiency (heat input / output method)", and the date and time of occurrence is "2019/08/07 10:35:24". In the column, the text explaining how to capture the event from the graph entitled "1. Monitoring point (how to read the graph)" and the state of the first process data entitled "2. Correspondence method" are optimized. Contains text explaining how to do this.

In "1. Monitoring point (how to read the graph)", the definition of the heat consumption rate and the calculation formula are described. With such an explanation, it is possible to confirm the method of capturing the event from the graph, and it becomes easy to understand what kind of event is occurring.

In "2. Correspondence method", items to be confirmed are listed when the heat consumption rate is in an unusual state. With such an explanation, it is possible to confirm the method for optimizing the state of the first process data, and it becomes easy to understand what kind of measures are required.

In the areas R50a to R50d shown in FIGS. 9 to 13, information indicating the status of the current screen and the transition of the screen so far is displayed. Specifically, "dashboard> guide display" is displayed in the areas R50a to R50d, and it can be grasped that the current display screen has changed from the display screen DP1 (dashboard).

By the guide display function 50 described with reference to FIGS. 9 to 13, a graph of the first process data is displayed in the first area of the display screen, and an explanatory text regarding the first process data is displayed in the adjacent second area. Therefore, it becomes easier for the operator to understand what kind of event is occurring and what kind of response is required.

Further, the explanatory text by the guide display function 50 may include an image, a legend graph, and the like in addition to character information and mathematical formulas. Further, the explanation by the guide display function 50 may include a function of displaying the time when the warning of the same process occurred in the past. By adding this information, the understanding of the operator can be further improved.

Further, the graph of the first process data displayed in the first area of the display screen can show 12 hours before and after the warning occurrence time in chronological order. As a result, changes in process data before and after the occurrence time can be easily grasped.

In particular, the plant has a large number of events and parameters to be monitored, and when the state of the plant changes, it is necessary to inform the operator efficiently and promptly. In that respect, according to the guide display function 50 of the system 30 according to the present embodiment, by displaying not only the graph of the first process data but also the graph of the related second process data, the change in the state of the plant can be efficiently changed. By being able to grasp and displaying the explanation, it is possible to confirm the method for optimizing the state of the plant, and it will be possible to quickly grasp what kind of response is necessary. ..

FIG. 14 shows an example of the display screen DP6 by the evaluation item display function 52. The display screen DP6 is a screen displayed when the evaluation item display 60 is selected by the operator on the display screen DP1. The display screen DP6 includes areas R60 and R61.

In the area R60, information indicating the status of the current screen and the transition of the screen so far is displayed. Specifically, "dashboard> evaluation item list" is displayed in the area R60, and it can be grasped that the current display screen has changed from the display screen DP1 (dashboard).

In the area R61, evaluation items for evaluating the state of the plant 1 are displayed. Specifically, the ID of the evaluation item, the major classification, the middle classification, the minor classification, and the evaluation item name are displayed in the area R61. As a result, it is possible to grasp the evaluation items for evaluating the state of the plant 1 by the system 30 even in the situation where the abnormality display or the alarm is not displayed. Further, when any of the evaluation items displayed in the area R61 is selected by the operator, the transition to the display screens DP5a to DP5d by the guide display function 50 as shown in FIGS. 9 to 13 may be performed. In this case, the graph of the process data displayed by the guide display function 50 may display, for example, a graph of the latest 24 hours from the current time.

As described above, according to the present embodiment, when an abnormality occurs in the plant 1, the state of the plant 1 to be grasped by the operator can be displayed stepwise and in order, so that the state of the plant can be easily understood. Can be shown to the operator. In particular, the plant has a large number of events and parameters to be monitored, and when a change occurs in the state of the plant, it is necessary to efficiently and promptly inform the operator of the change. It will be possible to confirm the method for optimizing the condition of the plant by the system and method, and to quickly grasp what kind of measures are necessary.

The embodiments described through the embodiments of the present invention can be appropriately combined, modified or modified according to the intended use, and the present invention is not limited to the description of the above-described embodiments. Absent. It is clear from the description of the claims that such combinations or modified or modified forms may also be included in the technical scope of the present invention.

1 ... Plant, 30 ... System, 42 ... Abnormal display function, 44 ... Abnormal detail display function 46 ... Sensor data detailed display function, 48 ... Abnormal history display function, 50 ... Guide display function 52 ... Evaluation item display function

Claims (36)

A system that displays the status of the plant
The first display function that displays an abnormality display indicating the occurrence of an abnormality that has the possibility of stopping the plant and prompts the operator to confirm it.
When the abnormality display is selected by the operator in the first display function, image information indicating the position of the pipe in the entire plant and the position of the sensor provided in the pipe is displayed, and the sensor displays the image information. A second display function that indicates the detected abnormal state of the pipe in a predetermined mode, and
A system including a third display function for displaying the data of the sensor which is the basis of the abnormal state shown in the predetermined embodiment. The system according to claim 1, wherein at least one of the first display function, the second display function, and the third display function further displays an explanatory text relating to the abnormality. The second display function further displays an abnormality confirmation display for determining that the abnormality has been confirmed by the operator.
The system according to claim 1 or 2, wherein when the abnormality confirmation display is selected by the operator in the second display function, the first display function displays the abnormality display in a different manner. The second display function further includes displaying the determination information used when determining the state of the pipe based on process data relating to the plant.
The first display function is any one of claims 1 to 3, which displays the abnormality display based on the result of the abnormality state of the tube detected by the sensor in the second display function and the determination information. The system described in the section. The second display function displays an abnormality history display that prompts the operator to confirm the history of the abnormality display.
The system according to any one of claims 1 to 4, further comprising a fourth display function for displaying the history of the abnormality display when the abnormality history display is selected by the operator in the second display function. The system according to claim 5, wherein the fourth display function further includes displaying an area for accepting an input of a correctness determination of the abnormality display to the operator. The first display function further includes displaying a warning display indicating the occurrence of a warning when the process data related to the plant is in a predetermined state.
When the warning display is selected by the operator in the first display function, the graph of the process data corresponding to the warning display and the description of the process data corresponding to the warning display are displayed adjacent to each other. 5 The system according to any one of claims 1 to 6, further comprising a display function. The first display function is
Displaying the occurrence of an abnormality that may cause the plant to stop in the first area of the display screen of the plant, and
The system according to any one of claims 1 to 7, wherein a second area of the display screen displays a history of occurrence of an abnormality that affects the operating efficiency of the plant. The second display function is
Image information indicating the position of the pipe in the entire plant and the position of the sensor provided in the pipe is displayed in the first area of the display screen of the plant, and the abnormal state of the pipe detected by the sensor is displayed. Displaying in the first area in a predetermined manner, and
The invention according to any one of claims 1 to 7, wherein the determination information used when the state of the pipe is determined based on the operation data of the plant is displayed in the second area of the display screen. system. The fifth display function is
Displaying a graph of the first process data corresponding to the warning display and a graph of the second process data related to the first process data in the first area of the display screen of the plant, and
The system according to claim 7, wherein a description of process data corresponding to the warning display is displayed in a second area of the display screen adjacent to the first area. The first display function displays an evaluation item display that prompts confirmation of an evaluation item for evaluating the state of the plant.
The system according to any one of claims 1 to 7, further comprising a sixth display function for displaying the evaluation item when the evaluation item display is selected by the operator in the first display function. It ’s a way to display the status of the plant.
Display an abnormality display indicating the occurrence of an abnormality that may cause the plant to stop, and prompt the operator for confirmation.
Accepting the selection of the abnormal display from the operator,
When the abnormality display is selected by the operator, image information indicating the position of the pipe in the entire plant and the position of the sensor provided on the pipe is displayed, and the abnormality of the pipe detected by the sensor is displayed. Displaying the status in a predetermined manner,
Accepting the selection of the display of the predetermined aspect from the operator,
When the display of the abnormal state of the pipe is selected by the operator, the data of the sensor that is the basis of the abnormal state shown in the predetermined embodiment is displayed.
How to include. A device equipped with a display screen for displaying the status of the plant.
In the first area of the display screen, the occurrence of an abnormality that may cause the plant to stop is configured to be displayable.
The second area of the display screen is configured to be able to display the occurrence history of abnormalities that affect the operating efficiency of the plant.
apparatus. The occurrence history of the abnormality displayed in the second region is displayed in a mode in which time information indicating the time when the abnormality occurs and information indicating the content of the abnormality are arranged in the order of the occurrence.
The device according to claim 13. The plant is equipped with multiple sensors
The occurrence history of the abnormality displayed in the second region is displayed in a mode in which the number of times the data acquired by the sensor shows an abnormal value is arranged for each sensor.
The device according to claim 13. The plant is equipped with multiple sensors
The abnormality occurrence history displayed in the second region includes an abnormality occurrence history determined to have occurred based on data acquired from at least two sensors and data acquired from a single sensor. Including the occurrence history of abnormalities determined to have occurred based on,
The device according to claim 14. The plant is composed of multiple components.
The device is
At least one component that may have an abnormality affecting the operating efficiency can be displayed in the fourth area of the display screen in a manner different from that of the other components.
The device according to any one of claims 13 to 16. The device is
Information indicating the operating efficiency of the plant can be displayed in the fifth area of the display screen.
The device according to any one of claims 13 to 17. A device with a display screen for displaying the status of the plant,
A control device that controls the device and
It is a system equipped with
The device is
In the first area of the display screen, the occurrence of an abnormality that may cause the plant to stop is configured to be displayable.
The second area of the display screen is configured to be able to display the occurrence history of abnormalities that affect the operating efficiency of the plant.
system. A device equipped with a screen for displaying the status of the plant.
Image information indicating the position of the pipe and the position of the sensor provided on the pipe in the entire plant is displayed in the first region of the screen, and the state of the pipe detected by the sensor is displayed in a predetermined embodiment. It is configured to be displayed in the first area, and the determination information used when the state of the pipe is determined based on the operation data of the plant is displayed in the second area of the screen. Equipment. The device according to claim 20, wherein the determination information is displayed in the second area in chronological order. The apparatus according to claim 21, wherein the determination information includes a value obtained by calculating the degree of abnormality of the pipe from the operation data and a value obtained by calculating the reliability of the state of the pipe from the operation data. The device according to claim 21 or 22, wherein the determination information includes feature amount data that affects the determination of the state of the pipe. Both the detection result of the state of the pipe by the sensor and the determination result of the state of the pipe based on the operation data of the plant are displayed in the third area of the screen in the same format in chronological order. The apparatus according to any one of claims 20 to 23, comprising the device according to any one of claims 20 to 23. The device according to claim 24, which is configured to display the time axis in the second region and the time axis in the third region in conjunction with each other. 20. Claim 20 is configured to display the detection information detected by the specific sensor in the fourth area in chronological order when a specific sensor is selected from the sensors displayed in the first area. 25. The apparatus according to any one of paragraphs 25. The device according to claim 26, which is configured to display the detection information in the fourth area of a screen different from the screen. A system including a display device having a screen for displaying the state of the plant and a control device for controlling the display device.
The display device displays image information indicating the position of the pipe in the entire plant and the position of the sensor provided on the pipe in the first region of the screen, and the state of the pipe detected by the sensor. Is configured to be displayed in the first area in a predetermined mode, and the determination information used when the state of the pipe is determined based on the operation data of the plant is displayed in the second area of the screen. A system that is configured to do so. A device equipped with a display screen that displays the status of the plant.
A graph of the first process data relating to the plant can be displayed in the first area of the display screen.
A description relating to the first process data can be displayed in the second area of the display screen adjacent to the first area.
apparatus. In the first area, a graph of the second process data related to the first process data can be displayed.
The device according to claim 29. In the first area, another graph of the first process data different from the graph of the first process data can be displayed.
The device according to claim 29 or 30. On the display screen, a first screen that warns when at least one of a plurality of process data becomes abnormal is configured to be displayable.
It is configured so that the second screen can be displayed on the display screen by transitioning from the first screen in response to the selection of the warning.
The second screen includes the first region and the second region.
The device according to any one of claims 29 to 31. The warning can be displayed in the third area of the first screen.
A graph of one or more representative process data relating to the plant can be displayed in a fourth region adjacent to the third region.
The device according to claim 32. The explanatory text includes a text explaining how to capture an event from the graph.
The device according to any one of claims 29 to 33. The explanatory text includes a text explaining a method for optimizing the state of the first process data.
The device according to any one of claims 29 to 34. A device with a display screen for displaying the status of the plant,
A control device for controlling the device is provided.
The device is
A graph of the first process data relating to the plant can be displayed in the first area of the display screen.
A description relating to the first process data can be displayed in the second area of the display screen adjacent to the first area.
system.

Images