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WO2018134451A1 - Dispositif de commande pour installations de traitement de l'eau - Google Patents

Dispositif de commande pour installations de traitement de l'eau Download PDF

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Publication number
WO2018134451A1
WO2018134451A1 PCT/ES2017/070622 ES2017070622W WO2018134451A1 WO 2018134451 A1 WO2018134451 A1 WO 2018134451A1 ES 2017070622 W ES2017070622 W ES 2017070622W WO 2018134451 A1 WO2018134451 A1 WO 2018134451A1
Authority
WO
WIPO (PCT)
Prior art keywords
control device
chosen
water processing
signals
processing facilities
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/ES2017/070622
Other languages
English (en)
Spanish (es)
Inventor
Javier ORÓS MONGE
Ignacio Dominguez Ubieto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ox-Compania De Tratamiento De Aguas Sl
Original Assignee
Ox-Compania De Tratamiento De Aguas Sl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ox-Compania De Tratamiento De Aguas Sl filed Critical Ox-Compania De Tratamiento De Aguas Sl
Publication of WO2018134451A1 publication Critical patent/WO2018134451A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • C02F1/685—Devices for dosing the additives
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/005—Processes using a programmable logic controller [PLC]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/005—Processes using a programmable logic controller [PLC]
    • C02F2209/006—Processes using a programmable logic controller [PLC] comprising a software program or a logic diagram
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/005—Processes using a programmable logic controller [PLC]
    • C02F2209/008—Processes using a programmable logic controller [PLC] comprising telecommunication features, e.g. modems or antennas
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/03—Pressure
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/04—Oxidation reduction potential [ORP]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/05—Conductivity or salinity
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/05—Conductivity or salinity
    • C02F2209/055—Hardness
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/11—Turbidity
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/15—N03-N
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2307/00—Location of water treatment or water treatment device
    • C02F2307/14—Treatment of water in water supply networks, e.g. to prevent bacterial growth

Definitions

  • the present specification refers, as its title indicates, to a control device for water processing facilities in which water distribution systems are involved.
  • the invention relates to the field of monitoring and control equipment for water distribution and purification systems, especially those dedicated to the dosing of products added to the water and tailored to the water parameters,
  • control device for water processing facilities object of the present invention comprises a microcontroller core with specific software and an interface with the user, with input and output modules of signals through ios which receive the signals from different flow control elements, volumetric consumption, chemical consumption, operation of the systems of dosage, physical-chemical parameters, and / or state of devices, and perform the regulation of the dosing pumps of chemical products and of different actuators, such as valves, motors, pumps and other equipment.
  • ID identity identifiers allow you to read labels associated with the products used in the process, allowing you to identify a container with the type of chemical contained, the expiration date of the packaged product, the format of the package and the quantity contained and the batch number, among other parameters.
  • the control device for water processing facilities is a device whose fundamental objective is to monitor and control processes that have a limited number of signals to manage since the number of equipment involved capable of generating and receiving signals is reduced.
  • This control device for water processing facilities is provided so that, in a generic way, it serves to perform the control work in any water processing facility, being provided with a plurality of input and output modules, allowing adapt to the particularities of each installation.
  • control device is based on the regulation of metering pumps of chemical products and of different actuators, such as valves, motors, pumps and other equipment, depending on various signals coming from different elements of flow control, volumetric consumption, chemical consumption, operation of the dosing systems, physical-chemical parameters, and / or device status.
  • the transmitted data is analyzed by a second level programming, or human operators, who can transmit specific orders to the control device and activate output signals or make changes to the first level programming.
  • This control device for water processing facilities presented provides multiple advantages over the equipment currently available, the most important being optimized for monitoring and control functions for water distribution and purification systems, especially those dedicated to the dosing of products added to the water and to the measure of the water parameters, especially processes that have a limited number of signals to manage since the number of equipment involved capable of generating and receiving signals is reduced.
  • Another important advantage is that it has a significantly lower economic cost compared to the equipment currently available in the market that could offer the same benefits, thanks to the fact that the actuators modulate in their possible configurations and do not include more components than necessary for each type of application.
  • this control device increases the level of control of the facilities by means of monitoring of its status and the possibility of acting based on a program defined on several levels in order to modulate its operation and achieve the required levels of effectiveness.
  • the equipment present in the processes that are intended to be monitored and controlled normally have a certain degree of automatism to prevent malfunctions and it is quite common to assume a degree of drift in the systems because they do not consider their operation to be critical. To avoid drift in the process equipment it is necessary to carry out a periodic check that is normally necessary to be carried out by specialized personnel. In our case this task is greatly facilitated.
  • Another advantage of the present invention is that it greatly improves the operating effectiveness of the dosing equipment.
  • the control of the dosage in the current equipment is carried out by means of the direct control and monitoring of the equipment, as well as by measuring the concentration of the chemical more or less periodically.
  • control device does not need to make modifications to the facilities to be monitored and can be used for any pre-existing dosing equipment without determining the manufacturer, model or characteristics thereof.
  • the control device performs an indirect control of the dosage of the chemical by taking into account the established dosing parameters, the regulation of the dosing equipment and the consumption of the chemical.
  • the real-time control of these parameters guarantees a control of the effectiveness of the dosage. It can be used in conjunction with any previously installed control or monitoring element, thus complementing the level of monitoring and control of the installation.
  • control device guarantees the safety of The dosage of the chemical products, since it has two levels of programming: a basic level takes control in real time of the different input and output signals, based on these signals verifies the proper functioning of the installation and through the module Remote communication can warn of installation failures to be corrected.
  • the second level of programming analyzes trends, historical data, relationship between the data monitored by the control device and ios that other equipment can generate, etc.
  • the second level complements the basic level of security provided by the control device. It must be taken into account that the operation of the control device is completely autonomous, so it would not be strictly necessary for the operation of the equipment in the presence of the second level of programming.
  • Another important advantage is that a module of recognition of the chemical products used has been implemented to ensure that the specific products of each application are used and at the determined doses. Once the product to be used and the doses have been determined, the control device automatically adjusts the dosing parameters, controls the use of that product, preventing other unspecified products from being used by mistake. It is also important to highlight that this control device has a large plurality of input and output modules, providing a universal application to any type of water processing facilities using the same device, defining the interaction between the modules and the operating parameters specific to each installation using the specific custom software of each installation.
  • this control device reduces the operating cost of the facilities, since the control of the effectiveness of the dosage, (that is the minimum amount necessary), and the safety of the dosage, (avoiding events of overdosing, lack of dosing and / or dosing of products unauthorized,) allows to reduce the cost of managing the facilities.
  • greater control means greater savings, since complex and expensive equipment is not necessary since the control device object of the invention allows it to be carried out in a simple and economical way.
  • FIG. 1 shows a generic block diagram of the invention.
  • the control device for water processing facilities object of the present invention basically comprises, as can be seen in the attached drawing, a microcontroller core (1), provided with specific software (2), a user interface module (3), one or more signal input modules (4) associated with control elements (5), one or more signal output modules (6) associated with actuators (7), one or more ID reader modules (8), at least one communications module (10), which is associated with a wireless communications interface (1 1) and a wired communications interface (12), and a power supply (16).
  • the microcontroller core (1) is based on programmable logic programmer structures, either through microcontroller structures in embedded systems or through industrial PLCs, with proprietary or free systems. Said microcontroller core (1) stores the specific software (2) that manages the input (4) and signal output (6), serves as support and control of the communications module (10) and supports the user interface (3) .
  • This control device for water processing facilities is intended so that, in a generic way, it serves to perform the control tasks in any water processing facility, being provided with a plurality of input and output modules, allowing to adapt to the particularities of each installation.
  • the operation of this control device is based on the regulation of metering pumps of chemical products and of different actuators, such as valves, motors, pumps and other equipment, depending on various signals coming from different elements of flow control, volumetric consumption, chemical consumption, operation of the dosing systems, physical-chemical parameters, and / or device status.
  • the specific operation of the interaction between the different elements that make up the control device will be defined in each particular case of water processing installation by means of the specific software (2) of the microcontroller core (1) and the particular parameters of each installation included in said specific software (2).
  • microcontroller core (1) For programming the microcontroller core (1), in the case of microcontrollers in embedded systems, high-level languages such as C, Assembler, Basic, with or without visual programming environment can be used. In the case of PLCs, each manufacturer's own programming software based on Ladder (L) diagrams, function block diagrams (FBD) or sequential function chart (SFC) -GRAFCET or OPEN source SW will be used in case of using PLCs based on OPEN Hardware technologies.
  • L Ladder
  • FBD function block diagrams
  • SFC sequential function chart
  • the programming recorded in the microcontroller core (1) may be modified at any time in person or remotely.
  • the specific software (2) will have a graphical interface in which it will be possible to make the necessary adjustments to manage the different signals in the most intuitive way possible.
  • the input (4) and signal output (6) modules are the electronic components that provide a link between the microcontroller core (1) and the existing external devices in e! process. Through these modules the acquisition of process data takes place or the command or control signals of the external process equipment are generated.
  • the signal input module (s) accept analog and / or digital input signals, and are connected to control elements (5), which can be flow control or volumetric consumption elements, control elements for chemical product, control elements of the operation of the dosing systems, physical-chemical parameter measurement probes, and / or device status sensors using discrete variables.
  • Flow control or volumetric consumption elements normally generate signals of the following type: pulse emitter type reed (potential free contact), electric opto emitter or inductive type pulses. They can also emit analog or digital signals. In both cases the signals generated are proportional to the volume of water that has circulated through the equipment.
  • the chemical consumption control elements can be level buoys, differential pressure control elements, capacitive type meters, ultrasonic systems or conductive / resistive type levels. Mass control systems can also be used through the use of scales that record pressure variations due to the chemical content. All of the above elements can generate discontinuous or continuous signals that can be used to evaluate the consumption of chemical over time.
  • control elements of the operation of the dosing equipment can be used to monitor the effectiveness of the process, since the dosing equipment can generate signals directly or by other types of coupled sensors, such as injection detectors.
  • control elements that decode the electrical signals generated by the probe and relate it to the value of a specific physical-chemical parameter such as: temperature, pH , conductivity, 02 dissolved, redox potential, Ion Ci, Ion Ca, Ion Mg, Ion N03, hardness, turbidity, residual of biocidal products or any other chemical compound or physical quantity for which there is a specific probe.
  • a specific physical-chemical parameter such as: temperature, pH , conductivity, 02 dissolved, redox potential, Ion Ci, Ion Ca, Ion Mg, Ion N03, hardness, turbidity, residual of biocidal products or any other chemical compound or physical quantity for which there is a specific probe.
  • These decoders / controllers have the possibility of generating standardized analog signals proportional to the measured physical-chemical parameter, so it would be possible to connect the control device easily to said devices.
  • the status sensors of devices by means of discrete variables can be: level sensors, valves, motors, pushbuttons ... in short, any element for which it is possible to define its status digitally as on or off, 0 - 1, etc. .
  • the output modules or modules (6) provide analog and / or digital signals and are connected to actuators (7), which can be:
  • the chemical dosing pumps there are different ways of regulating the dosing pumps, from the most basic ones that can be controlled by a digital power regulation system, to more complex equipment that work with pulse signals, signals digital, etc
  • the control device based on the basic programming established and the orders by remote access that can be received from an operator or from the second level programming, will adjust the control values of the dosing pumps to ensure an effective dosage of the chemical products .
  • an actuator is able to act on different components of the system mainly using digital outputs to establish redundant safety systems.
  • the operation of different actuators ⁇ hydraulic or pneumatic cylinders, pneumatic rotary actuators, electric actuators, solenoid-based electromagnetic actuators, piezoelectric actuators), motors, or the opening and closing of all types of valves can be controlled.
  • Both the input signals (5) and the output signals (6) can be indistinctly of any of the following types of signals: one
  • the ID reader module (8) accept labels (9) associated with the products used in the process. This feature can be activated independently of the normal operation of the control device to be used with a series of restricted products from certain manufacturers.
  • the identification of the products used by the control device is done through the use of labels (9) with specific codes that are uniquely associated with each type of product. These codes of the labels (9) will allow to identify a container with:
  • control device can perform the following functions:
  • codes can be presented in various ways on the labels (9) of the product packages: - By alphanumeric codes that can be entered into the control device manually by means of the integrated user interface (3) or an interface device external user (14).
  • the wireless communications interface (1 1) can be of the type GSM, GPRS, EDGE, SMS, WiFi, Biuetootb, WLAN, or a combination of them.
  • the wired communications interface (12) can be Ethernet, RJ45, RS-232, RS-485, USB or a combination of them.
  • the wireless communications interface (1 1) and the wired communications interface (12) allow connection with a remote access device for maintenance and control (13), and / or with an external user interface device (14).
  • the user interface module (3) and the external user interface equipment (14) comprise data entry and reading elements, chosen from the group consisting of keyboard, roulette, regulator, rotary encoders, screens and touch screens.
  • control device for water processing facilities has extension means (19), which will favor the incorporation of new modules or in crizces, or the modification of existing ones, to adapt it to its operation with other types of analogue and digital signals, communication protocols, and ID protocols or interfaces.
  • the power supply (16) allows the connection of an AC adapter for the mains (17), a rechargeable battery module (18), or a combination of both.
  • a third stage of analysis of the data transmitted by a second-level programming or by human operators which may, where appropriate, transmit specific orders to the control device and activate output signals or make changes in the first-level programming.
  • This control device is of special use in those processes in which water distribution facilities with at least one chemical dosing equipment consisting of a dosing pump and a container containing said product are involved, such as may exist in Different sectors: industrial, human consumption, food industry, livestock, agriculture, energy sector, and managers of large-scale storage and distribution systems.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)

Abstract

Dispositif de commande pour installations de traitement de l'eau, comprenant un noyau microcontrôleur doté d'un logiciel spécifique adapté à chaque installation particulière et une interface utilisateur, des modules d'entrée et de sortie de signaux par l'intermédiaire desquels les signaux en provenance de différents éléments de commande de débit, de consommation volumétrique, de consommation de produits chimiques, du fonctionnement des systèmes de dosage, de paramètres physico-chimiques et/ou de l'état des dispositifs, et qui assurent la régulation des pompes de dosage de produits chimiques et de différents actionneurs. Le principal avantage du dispositif réside dans l'optimisation de la surveillance et de la commande des systèmes de distribution et d'épuration de l'eau, en particulier de ceux affectés au dosage de produits additionnés à l'eau et à la mesure des paramètres de l'eau, en particulier les processus associés à un nombre limité de signaux à gérer.
PCT/ES2017/070622 2017-01-17 2017-09-20 Dispositif de commande pour installations de traitement de l'eau Ceased WO2018134451A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ESP201730047 2017-01-17
ES201730047A ES2616098B1 (es) 2017-01-17 2017-01-17 Dispositivo de control para instalaciones de procesamiento de agua

Publications (1)

Publication Number Publication Date
WO2018134451A1 true WO2018134451A1 (fr) 2018-07-26

Family

ID=58873924

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2017/070622 Ceased WO2018134451A1 (fr) 2017-01-17 2017-09-20 Dispositif de commande pour installations de traitement de l'eau

Country Status (2)

Country Link
ES (1) ES2616098B1 (fr)
WO (1) WO2018134451A1 (fr)

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CN108217784A (zh) * 2018-03-23 2018-06-29 南方创业（天津）科技发展有限公司 污水处理设备的控制系统及方法
CN111559839A (zh) * 2020-07-15 2020-08-21 广东柯内特环境科技有限公司 污水处理控制方法及应用其的医疗污水处理监控分析系统

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Publication number Priority date Publication date Assignee Title
ES2109874A1 (es) 1995-05-17 1998-01-16 Acuna Alonso Antonio Instalacion para la dosificacion de espumogenos o aditivos a una vena de agua.
ES2212592T3 (es) 1998-02-26 2004-07-16 Sintec S.R.L. Aparato para dosificar aditivos en polvo o granulados en instalaciones hidraulicas, especialmente en piscinas.
WO2002076625A1 (fr) 2001-03-22 2002-10-03 Anjus2, Sl Procede et systeme de dosage et d'injection directe de substances actives destinees a des applicateurs de produits phytosanitaires
ES2310110A1 (es) 2007-02-14 2008-12-16 Acciona Agua, S.A.U. Sistema y procedimiento de control y dosificacion de productos anti-incurstantes y/o dispersantes para plantas desaladoras.
ES2402135T3 (es) 2008-10-13 2013-04-29 Leslie Richard Palmer Dispensador automático de productos químicos en forma de granos secos, por ejemplo para el clorado del agua en una piscina
US20110110180A1 (en) * 2009-11-12 2011-05-12 Douglas Snider Apparatus and method for preparing a liquid mixture
ES2397635A1 (es) 2012-11-27 2013-03-08 Arema, Agua, Residuos Y Medio Ambiente, S.A. Planta compacta para el tratamiento de aguas residuales
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