CN203708286U - Main and auxiliary control integrated monitoring system of thermal power plate based on plant-level DCS network - Google Patents
Main and auxiliary control integrated monitoring system of thermal power plate based on plant-level DCS network Download PDFInfo
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- CN203708286U CN203708286U CN201320652733.4U CN201320652733U CN203708286U CN 203708286 U CN203708286 U CN 203708286U CN 201320652733 U CN201320652733 U CN 201320652733U CN 203708286 U CN203708286 U CN 203708286U
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- 238000012544 monitoring process Methods 0.000 title abstract description 13
- 238000002955 isolation Methods 0.000 claims abstract description 12
- 241001347978 Major minor Species 0.000 claims description 17
- 238000013480 data collection Methods 0.000 claims description 2
- 238000013500 data storage Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005192 partition Methods 0.000 abstract 1
- 238000007726 management method Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 5
- 238000005457 optimization Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000011217 control strategy Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005284 basis set Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- 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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
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Abstract
The utility model provides a main and auxiliary control integrated monitoring system of a thermal power plant based on the plant-level DCS network. The monitoring system is mainly formed by unit set control subsystems of the plant-level DCS network formed by the connection of an industrial Ethernet, an auxiliary control subsystem, network equipment with an access control function, plant-level engineer stations, a global function operator station, a physical isolation device and an information system function station, the plant-level engineer stations and the global function operator station are connected with the network equipment with the access control function, the information system function station is connected with the network equipment with the access control function via the physical isolation device, and the network equipment with the access control function is connected with the unit set control subsystems and the auxiliary control subsystem. According to the monitoring system, optimal scheduling of each unit load is realized, the effects of energy saving and emission reduction of the thermal power plant are improved, the safety partition boundary for producing and controlling a system information safety protection system of the thermal power plant is more clear, and the communication safety is better guaranteed.
Description
Technical field
The utility model relates to monitoring field, thermal power plant, especially relates to the major-minor control integrated supervisory control system in a kind of thermal power plant based on level of factory DCS network.
Background technology
Thermal power generation is the heat energy producing while utilizing fuel combustion, converts a kind of generation mode of electric energy by generation power device to.The control technology that existing thermal power plant adopts is to realize monoblock master control by dcs DCS, realizes auxiliary control system by DCS or programmable logic controller (PLC) PLC.But, due to separate between each master control, auxiliary control system, thermal power plant adopts the mode of above-mentioned control technology, and at least there are the following problems: each monoblock and auxiliary system lack unified control platform, can not realize sharing of monitor message, can not complete mutual supervision and operation, thereby need more operations staff; Between each monoblock, Control System NetWork is isolated mutually, can not realize each unit load Optimized Operation function, is also unfavorable for adopting Intelligent optimizing control technology to realize energy-saving and emission-reduction.
In addition, the information acquisition system that existing thermal power plant adopts is respectively each unit control system and supplementary controlled system to be carried out to information gathering by supervisory information system SIS, and in supervisory information system SIS, also comprise the function of a part of control system, should be that the information system of one-way transmission has become transmitted in both directions thereby cause, so just, can have the problem that affects Network Communicate Security because realizing optimal control function, the management function of relevant speciality part and responsibility are difficult to divide.
Summary of the invention
The purpose of this utility model is: the problem existing for prior art, provide one to realize each unit load Optimized Operation, improve the effect of thermal power plant energy-saving and emission-reduction, make the border, security partitioning of thermal power plant's production control system protecting information safety system more clear simultaneously, can guarantee better the major-minor control integrated supervisory control system in the thermal power plant based on level of factory DCS network of communication security.
The purpose of this utility model is achieved through the following technical solutions:
The major-minor control integrated supervisory control system in thermal power plant based on level of factory DCS network, it is characterized in that, this supervisory control system is mainly by connect the unit control subsystem that forms level of factory DCS network by Industrial Ethernet, auxiliary control subsystem, there is the network equipment of access control function, for unit control subsystem and auxiliary control subsystem being carried out to the level of factory engineer station of configuration and debugging, for the global function operator station that unit control subsystem and auxiliary control subsystem are monitored and operated, physical isolation apparatus and Information System Function station composition, described level of factory engineer station is connected the network equipment with access control function with global function operator station, described Information System Function station connects the network equipment with access control function by physical isolation apparatus, have under the network equipment of access control function and hang monoblock control subsystem and auxiliary control subsystem.
Preferably, this supervisory control system comprises the data server for carrying out system data collection and storage, and this data server is connected with the network equipment with access control function.
Preferably, supervisory control system comprises that this optimal control function station is connected with the network equipment with access control function for carrying out the optimal control function station that level of factory performance is calculated and machine group control is optimized.
Preferably, supervisory control system comprises the long station of value for display unit unit control subsystem and auxiliary control subsystem running status, and the long station of this value is connected with the network equipment with access control function.
Preferably, the described network equipment with access control function is switch or the firewall box with routing function.
Preferably, the described network equipment with access control function is provided with two, is redundancy setting between the two.
Preferably, described level of factory engineer station is provided with multiple, between each level of factory engineer station, is redundancy setting.
Preferably, described global function operator station is provided with multiple, between each global function operator station, is redundancy setting.
Compared with prior art, the utility model by setting up the unified platform of controlling based on level of factory DCS network on unit DCS and auxiliary control DCS, overcome separate between the each unit master control in existing thermal power plant and supplementary controlled system, can not the to realize monitor message problem of sharing, can not complete mutual supervision and operation, provide condition for " people monitors full factory " technically; And can realize each unit load Optimized Operation, can also adopt Intelligent optimizing control technology to improve the effect of thermal power plant energy-saving and emission-reduction.
In addition, also the monitoring function in thermal power plant's system and information collection function are separated, made the border, security partitioning of thermal power plant's production control system protecting information safety system more clear, can guarantee better communication security.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of unit control subsystem;
Fig. 3 is the structural representation of auxiliary control subsystem.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
embodiment
As shown in Figure 1, the major-minor control integrated supervisory control system in the thermal power plant based on level of factory DCS network mainly forms forming with lower device of level of factory DCS network by connecting by Industrial Ethernet:
There is the network equipment 1(of access control function as the switch with routing function), for connecting thermal power plant master control (unit control subsystem 8) and auxiliary control (auxiliary control subsystem 9) network, and realize logic isolation between the network segment;
Logic isolation between the network segment be the thermal power generation unit processed cluster control of Duo Tai unit must satisfied requirement, it can be realized by the approach that adopts corresponding hardware, software or hardware and software combination; Its objective is that the communication failure of avoiding in a certain network segment impacts the normal work of other network segment on the network that is connected;
Arbitrary monoblock DCS network, public and auxiliary control system network all can be used as a network segment; In each network segment, also can follow similar principle relatively independent subsystem is divided into multiple subnet sections, such as, under the auxiliary control system network segment, can carry out the division of subnet section by coal net, grey net, the network of rivers etc.;
Level of factory DCS network also can adopt fire compartment wall or quite the facility of function replace the network equipment 1 with access control function, realize the logic isolation between each monoblock network segment, the public and auxiliary control network segment.
According to actual application demand, the described network switch is answered redundancy setting, guarantees not affect the normal function of level of factory DCS network in the time that a certain equipment breaks down.
Level of factory engineer station 2, for completing full factory owner's control and the work of auxiliary control system configuration and debugging by level of factory DCS network; Level of factory engineer station is arranged on level of factory DCS network, for completing the operating platform of the major-minor control integrated supervisory control system soft hardware configuration in whole thermal power plant, (operating platform is prior art, be generally computer), possess thermal power plant master control and auxiliary control system engineer station repertoire, can be configured and configuration and debugging etc. master control and auxiliary control system by level of factory DCS network.
Global function operator station 3, for completing supervision and the operation to monoblock and the arbitrary equipment of synergic system or subsystem by level of factory DCS network; Global function operator station is arranged on level of factory DCS network, for on-shift operator, for completing the platform of the major-minor control state in whole thermal power plant and parameter supervision and intervention operation, (global function operator station is prior art, be generally computer), possess thermal power plant master control and auxiliary control system operator station repertoire.
Data server 4, completes collection and the storage to specific real time data and historical data in monoblock and synergic system by level of factory DCS network, provides data and store the data of its generation to level of factory optimal control function station.Data server is arranged on level of factory DCS network, for level of factory DCS network relevant data acquisition and storage, complete data format or protocol conversion etc. as required; While being necessary, can be held a concurrent post by level of factory engineer station the function of data server.
The supervisory control system that the level of factory DCS network switch, level of factory engineer station, global function operator station and data server form, can realize that the major-minor control grid in thermal power plant is interconnected, monitor message shares, provide integrated monitoring platform, for " people monitors full factory " provides technical foundation.
Level of factory engineer station, global function operator station answer redundancy setting to guarantee functional safety; On this basis, also can carry out multiple setting to level of factory engineer station, global function operator station according to system feature and monitoring demand, for example, can specify a few global function operator stations to be exclusively used in certain unit master control system.
Level of factory DCS network is that the setting at all kinds of level of factory optimal control functions station provides the foundation; These function stations comprise:
Intelligent device management function station 5(configures as required), the work station of smart machine information gathering and management function software is installed.While having adopted Fieldbus Intelligent equipment (comprising HART equipment) in main auxiliary control system, for realizing high-grade intelligent monitoring, intelligent protection and the intelligent management task based on full factory control system underlying device digital information.
Optimal control function station 6(configures as required), the work station (also for prior art) of set optimization control functional software is installed.Be used for level of factory performance and calculated, and realized on this basis set optimization control function, for example, selected and implemented Optimal Control Strategy for optimization aim such as full factory maximum output, full factory peak efficiency, the minimum discharge of full factory, full factory Best Economies.The optimal control functional software of described level of factory optimal control function station operation can be provided by multiple optimal control expert system supplier.
The main auxiliary control system of level of factory DCS network and the thermal power plant connecting thereof has formed complete thermal power plant production control sound zone system jointly, between itself and management information system (MIS), should take physical isolation apparatus 7(to configure as required), specifically connect the network equipment 1 with access control function by Information System Function station 10 by physical isolation apparatus 7.The information of unit control subsystem 8, auxiliary control subsystem 9 is all delivered in the network of level of factory DCS, and Information System Function station 10 is acquisition system information from the network of level of factory DCS directly.Information System Function station 10 is generally industrial computer or PC.The main buffer actions that rise of physical isolation apparatus 7, make the Information System Function station 10 can only Information Monitoring, can not send information to DCS network.
As described in Fig. 2, Fig. 3, thermal power plant master control (unit control subsystem 8) comprises monoblock DCS and inner integrated control function thereof, as the adjusting of steam turbine digital electricity liquid, turbine by pass control, soot-blowing control, denitrating flue gas, desulphurization control etc.; Public and the auxiliary shop control subsystem of the auxiliary control subsystem 9(in thermal power plant) comprise public and auxiliary control network and the control function joining thereof, as coal conveying, ash disposal control, water system control, Control for Air Compression Station, the control of denitration/desulfurization synergic system etc.
The main auxiliary control system of level of factory DCS network and the thermal power plant connecting thereof, mis system have formed after integrated monitoring system jointly, still can utilize prior art strengthening or supplement its function, for example: each unit key network and auxiliary control network can arrange the historical data station of native system to alleviate level of factory DCS Data Communication in Computer Networks pressure; Commissioning engineer station/back-up operation person the station that native system also can be set is during as level of factory DCS network failure, maintained corresponding system operation or carried out the corresponding system operation of stopping transport by cell level supervisory control system network.
In order better native system to be described, carry out embodiment description for the thermal power plant intelligent device management based on level of factory DCS network:
While having adopted Fieldbus Intelligent equipment (comprising HART equipment) in main auxiliary control system, the intelligent device management function station 5 on level of factory DCS network gathers the digital information of each control system underlying device; Intelligent device management function station to smart machine state information gather, the processing such as comparison, analysis; Abnormal equipment state and warning message are sent to corresponding control system, realize accident anticipation and the emphasis of abnormal equipment is monitored, complete high-grade intelligent monitoring, intelligent protection task; Device fault information is sent to Management Information System for Power Plant, realize the intelligent management tasks such as troubleshooting and equipment replacement, standby redundancy buying and management.
While being provided with many monoblock in the system of described thermal power plant, carry out the major-minor control integrated monitoring in thermal power plant based on level of factory DCS network:
Native system can also be realized machine group optimization or cluster optimal control, comprising: each monoblock master control system, auxiliary control system procedure parameter and main auxiliary machine status information of equipment are pooled to optimal control function station by level of factory DCS network;
Complete level of factory performance and calculate, and select and implement Optimal Control Strategy for optimization aim such as full factory maximum output, the minimum discharge of full factory, full factory Best Economies on this basis;
Described control optimum results is issued in corresponding units unit DCS controller, changes related setting value and equipment state, thereby automatically realize optimal control target.
Be provided with many monoblock in the system of described thermal power plant time, on level of factory DCS network, arbitrary global function operator station is sent out after operational order function closing, retain the functions such as demonstration, warning, can show the procedure parameter, trend curve, equipment state, warning message of all correlation unit units and public auxiliary system etc., the long station of the value of can be used as is used, and also settings are long separately certainly stands.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; it should be pointed out that all any modifications of doing within spirit of the present utility model and principle, be equal to replacement and improvement etc., within all should being included in protection range of the present utility model.
Claims (8)
1. the major-minor control integrated supervisory control system in the thermal power plant based on level of factory DCS network, it is characterized in that, this supervisory control system is mainly by connect the unit control subsystem that forms level of factory DCS network by Industrial Ethernet, auxiliary control subsystem, there is the network equipment of access control function, for unit control subsystem and auxiliary control subsystem being carried out to the level of factory engineer station of configuration and debugging, for the global function operator station that unit control subsystem and auxiliary control subsystem are monitored and operated, physical isolation apparatus and Information System Function station composition, described level of factory engineer station is connected the network equipment with access control function with global function operator station, described Information System Function station connects the network equipment with access control function by physical isolation apparatus, have under the network equipment of access control function and hang monoblock control subsystem and auxiliary control subsystem.
2. the major-minor control integrated supervisory control system in the thermal power plant based on level of factory DCS network according to claim 1, it is characterized in that, this supervisory control system comprises the data server for carrying out system data collection and storage, and this data server is connected with the network equipment with access control function.
3. the major-minor control integrated supervisory control system in the thermal power plant based on level of factory DCS network according to claim 1, it is characterized in that, supervisory control system comprises that this optimal control function station is connected with the network equipment with access control function for carrying out the optimal control function station that level of factory performance is calculated and machine group control is optimized.
4. the major-minor control integrated supervisory control system in the thermal power plant based on level of factory DCS network according to claim 1, it is characterized in that, supervisory control system comprises the long station of value for display unit unit control subsystem and auxiliary control subsystem running status, and the long station of this value is connected with the network equipment with access control function.
5. according to the major-minor control integrated supervisory control system in the thermal power plant based on level of factory DCS network one of claim 1 ~ 4 Suo Shu, it is characterized in that, the described network equipment with access control function is switch or the firewall box with routing function.
6. according to the major-minor control integrated supervisory control system in the thermal power plant based on level of factory DCS network one of claim 1 ~ 4 Suo Shu, it is characterized in that, the described network equipment with access control function is provided with two, is redundancy setting between the two.
7. the major-minor control integrated supervisory control system in the thermal power plant based on level of factory DCS network according to claim 1, is characterized in that, described level of factory engineer station is provided with multiple, between each level of factory engineer station, is redundancy setting.
8. the major-minor control integrated supervisory control system in the thermal power plant based on level of factory DCS network according to claim 1, is characterized in that, described global function operator station is provided with multiple, between each global function operator station, is redundancy setting.
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| CN201320652733.4U CN203708286U (en) | 2013-10-22 | 2013-10-22 | Main and auxiliary control integrated monitoring system of thermal power plate based on plant-level DCS network |
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| CN201320652733.4U CN203708286U (en) | 2013-10-22 | 2013-10-22 | Main and auxiliary control integrated monitoring system of thermal power plate based on plant-level DCS network |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104202355A (en) * | 2014-08-06 | 2014-12-10 | 大唐彬长发电有限责任公司 | Whole-plant five-prevention system for thermal power plant |
| CN106483945A (en) * | 2016-12-20 | 2017-03-08 | 中国华电科工集团有限公司 | A kind of building distributed busbar protection close-coupled control information system |
| CN110488784A (en) * | 2019-08-30 | 2019-11-22 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of wisdom power plant managing and control system based on thermal control Yu electric integrated control |
| CN111928113A (en) * | 2020-04-23 | 2020-11-13 | 华能海南发电股份有限公司海口电厂 | Control method of ammonia gas supply system of power plant liquid ammonia station |
| CN112486126A (en) * | 2020-12-07 | 2021-03-12 | 西安西热控制技术有限公司 | Coal conveying control system of thermal power plant based on industrial internet |
| CN112666901A (en) * | 2020-12-14 | 2021-04-16 | 中国电建集团四川工程有限公司 | Unattended monitoring system for external cold water of thermal power plant |
| CN112701734A (en) * | 2021-01-21 | 2021-04-23 | 华能国际电力股份有限公司营口电厂 | AGC instruction intelligent distribution technology for whole plant of thermal power plant |
| CN113162969A (en) * | 2021-01-25 | 2021-07-23 | 中广核工程有限公司 | Control network architecture for auxiliary system of nuclear power plant |
| US20220243913A1 (en) * | 2021-02-02 | 2022-08-04 | Shandong Shang'ao Power Technology Co., Ltd. | Closed-loop Control System, Method and Device for Intelligent Soot Blowing of Utility Boiler |
| CN117395366A (en) * | 2022-07-05 | 2024-01-12 | 国能智深控制技术有限公司 | Industrial control system, method and device |
-
2013
- 2013-10-22 CN CN201320652733.4U patent/CN203708286U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104202355A (en) * | 2014-08-06 | 2014-12-10 | 大唐彬长发电有限责任公司 | Whole-plant five-prevention system for thermal power plant |
| CN104202355B (en) * | 2014-08-06 | 2018-12-25 | 大唐彬长发电有限责任公司 | A kind of full factory's five-preventing system of thermal power plant |
| CN106483945A (en) * | 2016-12-20 | 2017-03-08 | 中国华电科工集团有限公司 | A kind of building distributed busbar protection close-coupled control information system |
| CN106483945B (en) * | 2016-12-20 | 2023-12-05 | 中国华电科工集团有限公司 | Compact control informatization system for building distributed energy station |
| CN110488784A (en) * | 2019-08-30 | 2019-11-22 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of wisdom power plant managing and control system based on thermal control Yu electric integrated control |
| CN111928113A (en) * | 2020-04-23 | 2020-11-13 | 华能海南发电股份有限公司海口电厂 | Control method of ammonia gas supply system of power plant liquid ammonia station |
| CN112486126A (en) * | 2020-12-07 | 2021-03-12 | 西安西热控制技术有限公司 | Coal conveying control system of thermal power plant based on industrial internet |
| CN112666901A (en) * | 2020-12-14 | 2021-04-16 | 中国电建集团四川工程有限公司 | Unattended monitoring system for external cold water of thermal power plant |
| CN112701734A (en) * | 2021-01-21 | 2021-04-23 | 华能国际电力股份有限公司营口电厂 | AGC instruction intelligent distribution technology for whole plant of thermal power plant |
| CN113162969A (en) * | 2021-01-25 | 2021-07-23 | 中广核工程有限公司 | Control network architecture for auxiliary system of nuclear power plant |
| US20220243913A1 (en) * | 2021-02-02 | 2022-08-04 | Shandong Shang'ao Power Technology Co., Ltd. | Closed-loop Control System, Method and Device for Intelligent Soot Blowing of Utility Boiler |
| CN117395366A (en) * | 2022-07-05 | 2024-01-12 | 国能智深控制技术有限公司 | Industrial control system, method and device |
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Owner name: CHINA POWER ENGINEERING CONSULTING GROUP SOUTHWEST Free format text: FORMER NAME: SOUTHWEST ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING GROUP CORPORATION |
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Address after: 610021 Dongfeng Road, Chengdu, Sichuan, No. 18, No. Patentee after: Southwest Electric Power Design Institute CO., Ltd. of China Power Engineering Consulting Group Address before: 610021 Dongfeng Road, Chengdu, Sichuan, No. 18, No. Patentee before: SOUTHWEST ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING Group Corp. |
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