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WO2019111368A1 - Dispositif d'évaluation - Google Patents

Dispositif d'évaluation Download PDF

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Publication number
WO2019111368A1
WO2019111368A1 PCT/JP2017/043952 JP2017043952W WO2019111368A1 WO 2019111368 A1 WO2019111368 A1 WO 2019111368A1 JP 2017043952 W JP2017043952 W JP 2017043952W WO 2019111368 A1 WO2019111368 A1 WO 2019111368A1
Authority
WO
WIPO (PCT)
Prior art keywords
energy
rolled
information
plant
energy saving
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/JP2017/043952
Other languages
English (en)
Japanese (ja)
Inventor
子俊 陸
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.)
Toshiba Mitsubishi Electric Industrial Systems Corp
Original Assignee
Toshiba Mitsubishi Electric Industrial Systems Corp
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 Toshiba Mitsubishi Electric Industrial Systems Corp filed Critical Toshiba Mitsubishi Electric Industrial Systems Corp
Priority to JP2019557937A priority Critical patent/JP6806423B2/ja
Priority to PCT/JP2017/043952 priority patent/WO2019111368A1/fr
Priority to TW107101833A priority patent/TWI703531B/zh
Publication of WO2019111368A1 publication Critical patent/WO2019111368A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/04—Manufacturing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/30—Computing systems specially adapted for manufacturing

Definitions

  • An embodiment of the present invention relates to an evaluation device for evaluating the effect of energy saving control in a plant.
  • the energy saving effect can be evaluated by comparing the energy use result when the energy saving countermeasure is applied and the estimated value of the energy use when the energy saving countermeasure is not performed in the period after the energy saving countermeasure.
  • the energy saving effect can not be evaluated by comparing the energy usage after the energy saving measures with the energy using without the energy saving measures. There was room left.
  • the embodiment of the present invention may evaluate the effect of energy saving control by comparing the amount of energy used after the energy saving with the amount of energy used when the energy saving is not performed in the period before the energy saving countermeasure.
  • a data collection unit that collects information related to control of a drive unit of a plant, and an optimal energy usage of the drive unit based on the collected information, energy after energy saving measures
  • an evaluation device comprising: an optimum value calculation unit which calculates as a usage amount.
  • FIG. 1 is a block diagram schematically showing an evaluation device according to the embodiment.
  • the evaluation device 10 displays the data collection unit 12, the optimum value calculation unit 14, the optimum value storage unit 16, the actual usage amount calculation unit 18, the actual usage amount storage unit 20, and the display. And 22. These units may be provided in one device or may be provided as independent devices and connected to each other via a network or the like.
  • the evaluation device 10 is connected to a plant pump system 100 of a rolling plant.
  • the evaluation device 10 enables evaluation of the effect of energy saving control in the plant pump system 100 of the rolling plant.
  • the plant pump system 100 is, for example, a pump system of a descaling system that removes foreign matter such as scales attached to the surface of the material to be rolled by injecting high-pressure water toward the material to be rolled.
  • the plant pump system 100 may be, for example, a pump system of a cooling system that supplies cooling water to a material to be rolled to cool the material to be rolled.
  • FIG. 2 is a block diagram schematically showing a plant pump system according to the embodiment.
  • the plant pump system 100 includes a pump 102, a drive unit 104, a valve 106, and a control unit 108.
  • the arrow on a piping path represents the flow direction of water.
  • the pump 102 is connected to the fluid source WS.
  • the fluid source WS is, for example, a water supply source that supplies water.
  • the pump 102 is also connected to the drive unit 104.
  • the driving unit 104 supplies driving force to the pump 102.
  • the pump 102 is driven in response to the supply of the driving force from the drive unit 104 to supply the water of the fluid supply WS with a predetermined pressure and a predetermined flow rate and supply it downstream.
  • the pump 102 supplies high-pressure water to a descaling header or the like according to the drive of the drive unit 104, for example.
  • a centrifugal pump is used for the pump 102.
  • an electric motor is used for the drive unit 104.
  • the driving unit 104 supplies a driving force for rotating the impeller of the pump 102 to the pump 102, and drives the pump 102 by rotating the impeller.
  • the supply of the driving force to the pump 102 is not limited to the electric motor, and another power source such as a hydraulic actuator may be used, for example.
  • the drive unit 104 may be selected according to the type of the pump 102. In addition, the drive unit 104 may be incorporated in the pump 102.
  • the drive unit 104 is electrically connected to the control unit 108.
  • the control unit 108 controls the operation of the drive unit 104.
  • the control unit 108 controls the number of rotations of the drive unit 104 by the voltage applied to the drive unit 104.
  • the control unit 108 controls the drive of the pump 102.
  • the control unit 108 controls the pressure of high-pressure water supplied to the descaling header and the like.
  • the valve 106 is provided on the piping path downstream of the pump 102.
  • the valve 106 is connected to the control unit 108.
  • the valve 106 controls the opening and closing of the piping route based on the control of the control unit 108. Thereby, the valve 106 controls the supply of high pressure water to the descaling header and the like and the stop of the supply.
  • a relief valve or a minimum flow valve is used as the valve 106.
  • a plurality of each of the pump 102, the drive unit 104, and the valve 106 are provided in the plant pump system 100.
  • the pressure of high pressure water is controlled by driving a plurality of pumps 102.
  • energy saving is achieved by controlling the operation of each pump 102 and each drive unit 104 according to the necessary pressure.
  • the number of pumps 102 etc. provided in the plant pump system 100 may be arbitrarily set according to the required pressure.
  • the number of pumps 102 etc. provided in the plant pump system 100 may be one, for example. Energy saving may be achieved by switching between high-speed operation and standby operation of one pump 102.
  • each of the plurality of pumps 102 for example, pumps of the same rating are used.
  • drive units 104 for each of the plurality of drive units 104, for example, drive units (motors) having the same rating are used. Thereby, for example, variation in pressure of water supplied from each pump 102 is suppressed.
  • the data collection unit 12 of the evaluation device 10 collects information on control of each drive unit 104 from the plant pump system 100.
  • the data collection unit 12 is connected to the plant pump system 100 via the communication line 120, and collects information via the communication line 120.
  • the communication line 120 may be wired or may be wireless.
  • the data collection unit 12 collects, for example, at least the piping valve information 140, the material to be rolled position information 142, and the material to be rolled material information 144.
  • the data collection unit 12 collects, for example, the above pieces of information from the control unit 108 of the plant pump system 100. In other words, the control unit 108 uploads each information to the data collection unit 12 and inputs each information to the data collection unit 12.
  • the data collection unit 12 may collect each of the above information from, for example, a higher-level controller that controls the operation of the control unit 108.
  • the piping valve information 140 is information representing the opening and closing of each valve 106.
  • the material-to-be-rolled position information 142 is information indicating the position on the rolling line of the material to be rolled.
  • the material-to-be-rolled position information 142 uses, for example, a point extracted from the heating furnace as a starting point.
  • the material-to-be-rolled material information 144 indicates the material of the material to be rolled.
  • the material-to-be-rolled material information 144 represents, for example, physical properties such as surface and strength when each material to be rolled becomes a final product.
  • the material of the material to be rolled is already determined before rolling of the material to be rolled.
  • the information collected by the data collection unit 12 is not limited to the above, and may be any other information related to the control of the other drive unit 104.
  • the optimum value calculation unit 14 calculates an optimum flow rate satisfying the desired physical performance for the material to be rolled, from the collected piping valve information 140, the material to be rolled position information 142 and the material to be rolled material information 144. Then, the optimum value calculation unit 14 calculates the optimum value of the required energy consumption from the calculated optimum flow rate.
  • the optimal value calculation unit 14 converts the optimal energy usage into minutes, hours, days, months, and years, for example, and calculates the optimal energy usage as the energy usage after energy saving measures. Make it memorize in 16.
  • the actual usage amount calculation unit 18 calculates an actual energy usage amount from the piping valve information 140 collected by the data collection unit 12, the material-to-be-rolled information 142, and the material-to-rolled material information 144.
  • the actual usage amount calculation unit 18 stores the calculated actual energy usage amount in the actual usage amount storage unit 20 as the energy usage amount before energy saving measures. For example, the actual usage amount calculation unit 18 links the calculated actual energy usage amount with information obtained by finely classifying the operation data of each pump 102, and stores the link in the actual usage amount storage unit 20.
  • the display unit 22 reads the optimum energy usage stored in the optimum value storage unit 16 and the actual energy usage stored in the actual usage storage unit 20, and the optimum energy usage and the actual energy Display the usage amount in a comparable manner.
  • the display unit 22 has, for example, a screen, and displays the optimal energy usage and the actual energy usage on the screen in a comparable manner.
  • the optimum energy usage stored in the optimum value storage unit 16 is, in other words, the energy usage after energy saving measures.
  • the actual energy usage amount stored in the actual usage amount storage unit 20 is, in other words, the energy usage amount before energy saving measures. Therefore, the effect of the energy saving control can be visualized by comparing and displaying the optimal energy usage and the actual energy usage.
  • FIG. 3 is a flowchart schematically showing a specific example of the operation of the optimum value calculation unit according to the embodiment.
  • the optimum value calculation unit 14 calculates the optimum energy usage amount
  • the piping valve information 140, the material position information 142 to be rolled, and the material information 144 to be rolled are data collection units 12 in real time (step S01 in FIG. 3).
  • the optimum value calculation unit 14 calculates the total actual flow rate of the plant pump system 100 from the open / close data represented by the piping valve information 140 and the rated flow rate data of each pump 102 stored in advance (see FIG. Step S02 of 3).
  • the optimum value calculating unit 14 calculates the optimum pump rotational speed of each pump 102 from the calculated total actual flow rate and the pump characteristic information of each pump 102 stored in advance (step S03 in FIG. 3).
  • the pump characteristic information is, for example, a performance diagram representing the relationship among the discharge amount, pressure, rotational speed and the like of each pump 102.
  • the optimum value calculator 14 calculates the power necessary for the optimum pump rotational speed from the calculated optimum pump rotational speed (step S04 in FIG. 3).
  • the optimum value calculation unit 14 calculates the amount of energy used (amount of power) by aggregating the calculated power in the period of minutes, hours, days, months, and years (step S05 in FIG. 3).
  • the optimum value calculation unit 14 stores the calculated energy usage amount in the optimum value storage unit 16 as the optimum energy usage amount after energy saving measures (step S06 in FIG. 3).
  • the optimum value calculation unit 14 stores the calculated energy usage amount in the optimum value storage unit 16 by linking it with the material position information 142 and material information 144 to be rolled.
  • the actual usage amount calculation unit 18 classifies a combination of operation data of the pumps 102 based on, for example, open / close data represented by the piping valve information 140 collected by the data collection unit 12. Then, the actual usage amount calculation unit 18 calculates the amount of energy used before energy saving measures from the piping valve information 140 collected by the data collection unit 12, the rolled material position information 142, and the rolled material information 144, It is linked with the classification of the combination of operation data of each pump 102 and stored in the actual usage amount storage unit 20.
  • the actual usage amount calculation unit 18 refers to the actual usage amount storage unit 20 and finds out the energy usage amount of the same operation pattern from the actual usage amount storage unit 20, thereby enabling the energy usage amount to be the energy before energy saving measures. Estimated as usage.
  • the optimum energy usage stored in the optimum value storage unit 16 is compared with the actual energy usage stored in the actual usage storage unit 20. Can be displayed on the display unit 22.
  • the evaluation device 10 can evaluate the energy saving effect by comparing the amount of energy used after the energy saving with the amount of energy used when the energy saving was not performed in the period before the energy saving. .
  • the rolling plant was demonstrated to the example, the plant may be any other plant which supplies a fluid via piping using one or several pump.
  • the drive part 104 which drives the pump 102 was demonstrated to the example in this embodiment, the drive part may be any other drive part in connection with operation
  • the drive unit may be a drive unit for driving a fan that cools a material to be rolled in a rolling plant.

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  • Business, Economics & Management (AREA)
  • Engineering & Computer Science (AREA)
  • Primary Health Care (AREA)
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  • Testing And Monitoring For Control Systems (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

L'invention concerne un dispositif d'évaluation comprenant : une partie de collecte de données qui collecte des informations associées à la commande d'une partie d'entraînement d'une installation ; et une partie de calcul de valeur optimale qui utilise les informations collectées pour calculer une quantité optimale d'utilisation d'énergie de la partie d'entraînement en tant que quantité d'utilisation d'énergie après la mise en application d'un plan d'économie d'énergie. Selon cette configuration, le dispositif d'évaluation peut, à un moment antérieur à la mise en application d'un plan d'économie d'énergie, comparer une quantité d'utilisation d'énergie après que le plan d'économie d'énergie a été mis en application avec une quantité d'utilisation d'énergie lorsque le plan d'économie d'énergie n'est pas mis en œuvre, et évaluer l'effet de la régulation d'économie d'énergie.
PCT/JP2017/043952 2017-12-07 2017-12-07 Dispositif d'évaluation Ceased WO2019111368A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2019557937A JP6806423B2 (ja) 2017-12-07 2017-12-07 評価装置
PCT/JP2017/043952 WO2019111368A1 (fr) 2017-12-07 2017-12-07 Dispositif d'évaluation
TW107101833A TWI703531B (zh) 2017-12-07 2018-01-18 評估裝置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/043952 WO2019111368A1 (fr) 2017-12-07 2017-12-07 Dispositif d'évaluation

Publications (1)

Publication Number Publication Date
WO2019111368A1 true WO2019111368A1 (fr) 2019-06-13

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PCT/JP2017/043952 Ceased WO2019111368A1 (fr) 2017-12-07 2017-12-07 Dispositif d'évaluation

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JP (1) JP6806423B2 (fr)
TW (1) TWI703531B (fr)
WO (1) WO2019111368A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011092851A1 (fr) * 2010-01-29 2011-08-04 東芝三菱電機産業システム株式会社 Dispositif de commande d'injection d'eau dans une ligne de roulement, procédé de commande d'injection d'eau, programme de commande d'injection d'eau
JP2015018374A (ja) * 2013-07-10 2015-01-29 株式会社東芝 運転計画最適化装置、運転計画最適化方法及び運転計画最適化プログラム

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011092851A1 (fr) * 2010-01-29 2011-08-04 東芝三菱電機産業システム株式会社 Dispositif de commande d'injection d'eau dans une ligne de roulement, procédé de commande d'injection d'eau, programme de commande d'injection d'eau
JP2015018374A (ja) * 2013-07-10 2015-01-29 株式会社東芝 運転計画最適化装置、運転計画最適化方法及び運転計画最適化プログラム

Also Published As

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TW201926221A (zh) 2019-07-01
JP6806423B2 (ja) 2021-01-06
TWI703531B (zh) 2020-09-01
JPWO2019111368A1 (ja) 2020-05-28

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