CN212082447U - Data acquisition system of on-line monitoring system for steam extraction and heat supply of nuclear power plant - Google Patents
Data acquisition system of on-line monitoring system for steam extraction and heat supply of nuclear power plant Download PDFInfo
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- CN212082447U CN212082447U CN202020611735.9U CN202020611735U CN212082447U CN 212082447 U CN212082447 U CN 212082447U CN 202020611735 U CN202020611735 U CN 202020611735U CN 212082447 U CN212082447 U CN 212082447U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
Abstract
The utility model relates to a nuclear power plant's online monitoring system of heat supply of drawing steam's data acquisition system, its characterized in that: the system comprises a nuclear power unit operation data acquisition module, a steam extraction and heat supply data acquisition module, a nuclear power unit operation data transmission channel, a steam extraction and heat supply system data acquisition and transmission channel, a data receiving and processing module, an information data display terminal and a network regulation demand data output module. The utility model sets a special data acquisition mode for different data sources, so that the data is converted into a uniform format, and the problem of low data acquisition and transmission efficiency caused by different data formats is avoided; has strong software and hardware expansion capability and is compatible with a universal standard. The utility model discloses in the aspect of the processing and the transmission of data, implement effectual safety isolation to the signal flow that the function is different, ensured nuclear power plant's industrial control system's safety.
Description
Technical Field
The utility model relates to a nuclear power plant's online monitoring system of heat supply of drawing steam specifically is a million kilowatt level nuclear power station heat supply online monitoring system's data acquisition system of drawing steam.
Background
At present, coal is mainly used for urban heating in northern areas of China in winter as fuel, and combustion of the coal can cause a large amount of emission of dust, sulfide and carbon dioxide, and the substances can cause atmospheric environmental pollution and haze and greenhouse effect. In order to implement Xi jinping general notes about important instructions of accelerating the promotion of winter clean heating in northern areas, strategic arrangement of group companies about accelerating the expansion from nuclear power to nuclear energy and the expansion from single nuclear energy to multi-energy comprehensive utilization is made, and Shandong nuclear power limited companies finish the first external commercial heat supply project of nuclear power plants in China. Because the heat supply adopts a steam extraction mode of a steam turbine, the size of the steam extraction amount inevitably has certain influence on the generating power of the unit, and in order to ensure the operation safety of the unit and the network regulation, the nuclear power plant is provided with an on-line steam extraction and heat supply monitoring system so as to monitor the relevant data of the steam extraction and heat supply of the nuclear power unit in real time.
At present, in the prior art disclosure scheme, no research on a data acquisition method of an online monitoring system for steam extraction and heat supply of a nuclear power plant is available. The conventional heat supply online monitoring system of the cogeneration unit of the thermal power plant adopts a traditional data acquisition mode to provide information such as the unit, steam extraction and heat supply data and the like for a grid dispatching system, namely, the data are directly acquired from each device of each unit, so that the problems of multiple data transmission interfaces, low efficiency, unfriendly human-computer interface, poor maintainability and the like exist, and the compatibility, expandability and data safety of the traditional mode are poor. Unlike conventional industrial enterprises such as conventional thermal power plants, nuclear power plants are responsible for nuclear safety in addition to power generation, and therefore, the safety of industrial control systems is a primary consideration when systems are accessed. In addition, the system and equipment of the nuclear power plant are very complex in structure, and particularly under the condition that a plurality of units coexist, the collection and the summarization of unit operation data and steam extraction and heat supply data become extremely difficult.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: the traditional online monitoring data acquisition mode has the problems of poor compatibility and expandability, low data acquisition and transmission efficiency, poor data safety and the like.
In order to solve the problem, the technical scheme of the utility model a data acquisition system of online monitoring system of nuclear power plant's extraction of steam heat supply is provided, its characterized in that: the system comprises a nuclear power unit operation data acquisition module, a steam extraction and heat supply data acquisition module, a nuclear power unit operation data transmission channel, a steam extraction and heat supply system data acquisition and transmission channel, a data receiving and processing module, an information data display terminal for displaying data processed by the data receiving and processing module and a network dispatching demand data output module for collecting and outputting unit heat supply demand information by network dispatching, wherein the nuclear power unit operation data acquisition module is connected with the input end of the data receiving and processing module through the nuclear power unit operation data transmission channel, nuclear power unit equipment operation state data acquired and compiled by the nuclear power unit operation data acquisition module is transmitted to the data receiving and processing module, the steam extraction and heat supply data acquisition module is connected with the input end of the data receiving and processing module through the steam extraction and heat supply system data acquisition and transmission channel, and the steam extraction and heat supply station equipment operation state data acquired and compiled by the steam extraction and heat supply data acquisition module is transmitted to the data receiving And the output end of the data receiving and processing module is respectively connected with the information data display terminal and the network scheduling demand data output module.
Preferably, the data receiving and processing module comprises a database server for receiving compiled data acquired and compiled by the nuclear power unit operation data acquisition module and the steam extraction and heat supply data acquisition module and performing classification processing according to different use requirements, a real-time storage server for storing data of the database server, a mirror database server and a mirror storage server which are located in different network partitions and have the same functions with the database server and the real-time storage server, an isolation and data exchange unit for ensuring unidirectional transmission of the data and physical isolation of each network partition, and an application server for developing and storing information supporting data display terminal access.
Preferably, the information data display terminal is an office information network personal computer and is used for providing a technical process picture, a trend chart and alarm information which are consistent with an industrial control system.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses set up special data acquisition mode to the data source of difference, make data conversion to unified form, avoid the problem that data acquisition inefficiency, transmission efficiency are low because of different data formats lead to. The utility model discloses gather and handle nuclear power unit operating data to for steam extraction heat supply on-line monitoring system provides unit operating data, be used for the electric wire netting dispatch to the online supervision of nuclear power plant's relevant operating parameter and steam extraction heat supply system parameter, possess stronger software and hardware expansion ability, compatible universal standard simultaneously. The utility model discloses in the aspect of the processing and the transmission of data, implement effectual safety isolation to the signal flow that the function is different, ensured nuclear power plant's industrial control system's safety.
Drawings
FIG. 1 is a schematic view of the topology of the present invention;
fig. 2 is a schematic structural diagram of a data receiving and processing module.
Detailed Description
In order to make the present invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the utility model relates to a nuclear power plant's online monitoring system of heat supply of drawing steam, including nuclear power unit operation data acquisition module, the heat supply data acquisition module of drawing steam, nuclear power unit operation data transmission path, the heat supply system data acquisition transmission path of drawing steam, data reception processing module, information data display terminal and net transfer demand data output module, nuclear power unit operation data acquisition module passes through nuclear power unit operation data transmission path and connects data reception processing module's input, the heat supply data acquisition module of drawing steam passes through the heat supply system data acquisition transmission path of drawing steam and connects data reception processing module's input, information data display terminal and net transfer demand data output module are connected respectively to data reception processing module's output.
The nuclear power unit operation data acquisition module is used for acquiring operation state data of relevant equipment of the operation unit; the steam extraction and heat supply data acquisition module is used for acquiring running state data of each device of the steam extraction and heat supply station; the nuclear power plant operation state data is related state and parameter data of each plant field operation device of the nuclear power plant, and the steam extraction heat supply data is related state parameter data of the steam extraction heat supply station operation device. The nuclear power unit operation data transmission channel is used for transmitting the data acquired and compiled by the nuclear power unit operation data acquisition module to the data receiving and processing module; the steam extraction and heat supply data acquisition and transmission channel is used for transmitting the data acquired and compiled by the steam extraction and heat supply data acquisition module to the data receiving and processing module; the data receiving and processing module is used for processing the running state data of the running unit equipment and the running state data of each equipment of the steam extraction and heat supply station; the information data display terminal is used for displaying the data after the data receiving and processing module; and the network dispatching demand information data acquisition and output module is used for acquiring and outputting the heat supply demand information of the network dispatching unit.
As shown in fig. 2, the data receiving and processing module includes a database server, a real-time storage server, an isolation and data exchange unit, an application server, a mirror database server, and a mirror storage server. The database server is used for receiving the operation data and the steam extraction and heat supply data of the nuclear power unit and performing classification processing according to different use requirements; the real-time storage server is used for storing the data of the database server; the mirror database server is used for receiving related nuclear power generating units and steam extraction and heat supply operation data, classifying the data according to different use requirements, and enabling the data to be consistent with the functions of the database server; the mirror image storage server is used for storing mirror image database server data and has the same function as the real-time storage server. The database server and the mirror database server are respectively located in different safety isolation areas, and the real-time storage server and the mirror storage server are respectively located in different safety isolation areas, so that on one hand, the requirement of safety isolation of different data sources is met, and reliability guarantee is provided for data communication; on the other hand, different servers are endowed with different functions in order to meet different requirements. The isolation and data exchange unit is used for data transmission isolation and exchange in different network areas, and ensures unidirectional data transmission and entity isolation of each network partition; the application server is used for developing an application function according to the user requirement and storing and supporting the access of the information data display terminal.
In this embodiment, there may be a plurality of nuclear power unit operation data acquisition modules and a plurality of nuclear power unit operation data transmission channels, but each nuclear power unit operation data acquisition module and each nuclear power unit operation data transmission channel are in a one-to-one correspondence relationship; the steam extraction heat supply data acquisition modules and the steam extraction heat supply data acquisition transmission channels are multiple, but the steam extraction heat supply data acquisition modules and the steam extraction heat supply data acquisition transmission channels are in one-to-one correspondence.
For nuclear power generating units located at different physical addresses, corresponding operation data acquisition modules are respectively arranged, and the unit operation data are transmitted to a data receiving and processing module through a special nuclear power generating unit operation data transmission channel; and for steam extraction and heat supply stations with different physical addresses, steam extraction and heat supply data acquisition modules which respond to the steam extraction and heat supply stations are respectively arranged, and the steam extraction and heat supply data are transmitted to the data receiving and processing module through a special steam extraction and heat supply data acquisition and transmission channel.
The information data display terminal is an office information network personal computer, provides a technical process picture consistent with the control system, displays the unit operation data and the steam extraction and heat supply data in real time, and provides the functions of data point information inquiry, trend analysis, alarm, important equipment detection and the like.
Claims (3)
1. The utility model provides a data acquisition system of online monitoring system of heat supply of drawing steam of nuclear power plant which characterized in that: the system comprises a nuclear power unit operation data acquisition module, a steam extraction and heat supply data acquisition module, a nuclear power unit operation data transmission channel, a steam extraction and heat supply system data acquisition and transmission channel, a data receiving and processing module, an information data display terminal for displaying data processed by the data receiving and processing module and a network dispatching demand data output module for collecting and outputting unit heat supply demand information by network dispatching, wherein the nuclear power unit operation data acquisition module is connected with the input end of the data receiving and processing module through the nuclear power unit operation data transmission channel, nuclear power unit equipment operation state data acquired and compiled by the nuclear power unit operation data acquisition module is transmitted to the data receiving and processing module, the steam extraction and heat supply data acquisition module is connected with the input end of the data receiving and processing module through the steam extraction and heat supply system data acquisition and transmission channel, and the steam extraction and heat supply station equipment operation state data acquired and compiled by the steam extraction and heat supply data acquisition module is transmitted to the data receiving And the output end of the data receiving and processing module is respectively connected with the information data display terminal and the network scheduling demand data output module.
2. The data acquisition system of the on-line monitoring system for extraction and heating of nuclear power plants as claimed in claim 1, wherein: the data receiving and processing module comprises a database server, a real-time storage server, a mirror database server and a mirror storage server, an isolation and data exchange unit and an application server, wherein the database server is used for receiving the compiled data of the nuclear power unit operation data acquisition module and the steam extraction and heat supply data acquisition module and classifying the data according to different use requirements, the real-time storage server is used for storing the data of the database server, the mirror database server and the mirror storage server are located in different network partitions and have the same functions with the database server and the real-time storage server, the isolation and data exchange unit is used for ensuring the one-way transmission of the data and the physical isolation of each network partition, and the application server is used for developing and.
3. The data acquisition system of the on-line monitoring system for extraction and heating of nuclear power plants as claimed in claim 1, wherein: the information data display terminal is an office information network personal computer and is used for providing a technical process picture, a trend chart and alarm information which are consistent with an industrial control system.
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| CN202020611735.9U CN212082447U (en) | 2020-04-21 | 2020-04-21 | Data acquisition system of on-line monitoring system for steam extraction and heat supply of nuclear power plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542222A (en) * | 2022-02-24 | 2022-05-27 | 山东核电有限公司 | Control system and method for nuclear energy steam extraction and heat supply |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542222A (en) * | 2022-02-24 | 2022-05-27 | 山东核电有限公司 | Control system and method for nuclear energy steam extraction and heat supply |
| CN114542222B (en) * | 2022-02-24 | 2023-10-31 | 山东核电有限公司 | Control system and method for nuclear energy steam extraction and heat supply |
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