CN116560310A - Nuclear power plant external supply industrial steam monitoring system and method thereof - Google Patents
Nuclear power plant external supply industrial steam monitoring system and method thereof Download PDFInfo
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- CN116560310A CN116560310A CN202310422971.4A CN202310422971A CN116560310A CN 116560310 A CN116560310 A CN 116560310A CN 202310422971 A CN202310422971 A CN 202310422971A CN 116560310 A CN116560310 A CN 116560310A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 108
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000004044 response Effects 0.000 claims abstract description 33
- 230000005856 abnormality Effects 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 20
- 230000005855 radiation Effects 0.000 claims description 16
- 230000002159 abnormal effect Effects 0.000 claims description 10
- 230000002209 hydrophobic effect Effects 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 238000004590 computer program Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
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- 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
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41865—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by job scheduling, process planning, material flow
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- 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
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/32—Operator till task planning
- G05B2219/32252—Scheduling production, machining, job shop
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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
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- Automation & Control Theory (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
The present disclosure provides a nuclear power plant external supply industrial steam monitoring system and a method thereof, and relates to the technical field of nuclear power plant safety monitoring, the system comprises: at least one subsystem; the subsystem comprises: the system comprises a first monitoring module, a second monitoring module and a control module; the first monitoring module is used for collecting operation data of the working unit; the second monitoring module is used for collecting instrument data of the factory boundary; the control module is used for processing the operation data and the instrument data to determine whether an abnormality occurs; the control module sends a shut-off signal to the first valve in response to the operational data anomaly and to all of the second valves in response to the meter data anomaly. By monitoring the operation data of the working unit and the instrument data of the factory boundary, the quick response to the nuclear power plant can be realized, different responses can be carried out according to different conditions, the production safety of the nuclear power plant can be ensured, and the response speed in the accident occurrence can be improved.
Description
Technical Field
The disclosure relates to the technical field of nuclear power plant safety monitoring, in particular to a nuclear power plant external supply industrial steam monitoring system and a method thereof.
Background
Industrial steam is typically steam with relatively high heat energy generated by heating of coal, electricity, oil, and the like. The application provides stable and clean steam sources for industrial steam users while improving the heat efficiency of the whole nuclear power unit, and the nuclear energy industrial steam gradually becomes another application mode of nuclear energy.
Accordingly, nuclear power plant safety has become an important aspect of nuclear power plants, and the main objective is to protect the site workers and surrounding residents from the radiation dose to as low a level as reasonably feasible and not exceeding a prescribed level at all times of operation and at the time of accident. Therefore, it is extremely important to monitor the operation of a nuclear power plant.
Disclosure of Invention
The present disclosure aims to solve, at least to some extent, one of the technical problems in the related art.
To this end, it is an object of the present disclosure to propose a nuclear power plant external supply industrial steam monitoring system.
A second object of the present disclosure is to provide a method for monitoring industrial steam supplied from outside a nuclear power plant.
To achieve the above object, embodiments of a first aspect of the present disclosure provide an external supply industrial steam monitoring system for a nuclear power plant, including: the nuclear power plant comprises at least one subsystem, wherein the subsystem corresponds to one working unit of the nuclear power plant respectively, and the nuclear power plant comprises at least one working unit; the subsystem comprises: the system comprises a first monitoring module, a second monitoring module and a control module, wherein the first monitoring module and the second monitoring module are respectively connected with the control module; the first monitoring module is used for collecting operation data of the corresponding working unit and uploading the operation data to the control module; the second monitoring module is used for collecting instrument data of the factory boundary and uploading the instrument data to the control module; the control module is used for processing the operation data and the instrument data to determine whether an abnormality occurs; the control module is respectively connected with a first valve arranged on the working unit and a second valve arranged on the boundary of the factory, responds to the abnormality of the operation data, sends a closing signal to the first valve, responds to the abnormality of the instrument data, and sends the closing signal to all the second valves arranged on the boundary of the factory.
According to one embodiment of the present disclosure, the control module includes: the first control unit is connected with the second control unit, the first control unit is connected with the first monitoring module, and the second control unit is connected with the second monitoring module; the first monitoring unit is used for summarizing the operation data uploaded by the first monitoring module and sending the operation data to the second monitoring unit; the second monitoring unit is used for generating a control signal based on the operation data and the instrument data and sending the control signal to the first control unit; the first control unit is further used for controlling the working states of the first valve and the second valve based on the control signals.
According to one embodiment of the disclosure, a first transmission unit is connected between the first control unit and the second control unit.
According to one embodiment of the disclosure, a second transmission unit is connected between the first control unit and the second monitoring module.
According to one embodiment of the present disclosure, the first monitoring module includes: the system comprises a radiation monitoring acquisition unit, a unit signal acquisition unit, a heat exchanger monitoring unit and an industrial steam pipeline monitoring unit; the radiation monitoring acquisition unit is used for acquiring the radiation dose of the two-loop pipeline of the nuclear power unit so as to obtain radiation monitoring data; the unit signal acquisition unit is used for acquiring signal data of the nuclear power unit; the heat exchanger monitoring unit is used for acquiring liquid level data of the industrial steam extraction hydrophobic tank and the hydrophobic tank at the pipe side of the steam-water separation heater; the industrial steam pipeline monitoring unit is used for collecting steam data of the externally supplied industrial steam.
According to one embodiment of the present disclosure, the second monitoring module includes: and the instrument data acquisition unit is used for acquiring instrument data of instruments, valves and radiation monitors in the main factory building and at factory boundaries.
According to one embodiment of the present disclosure, the first transmission unit and the second transmission unit are remote I/O devices.
According to one embodiment of the present disclosure, the system further comprises: comparing the job data with a normal job data range;
according to one embodiment of the present disclosure, the job data exception is determined in response to the job data exceeding the normal job range.
According to one embodiment of the present disclosure, the system further comprises: comparing the meter data with a normal meter data range; and determining that the job data is abnormal in response to the meter data being outside the normal job range.
To achieve the above object, an embodiment of a second aspect of the present disclosure provides a method for monitoring industrial steam supplied from a nuclear power plant, including: collecting operation data of a nuclear power plant working unit and instrument data of a factory boundary; determining whether the job data and the meter data are abnormal; and sending a closing signal to a first valve corresponding to the working unit in response to the operation data abnormality, and sending a closing signal to all second valves on the factory boundary in response to the instrument data abnormality.
By monitoring the operation data of the working unit and the instrument data of the factory boundary, the quick response to the nuclear power plant can be realized, different responses can be carried out according to different conditions, the production safety of the nuclear power plant can be ensured, and the response speed of the nuclear power plant in the event of an accident can be improved.
Drawings
FIG. 1 is a schematic diagram of a nuclear power plant external supply industrial steam monitoring system according to one embodiment of the present disclosure;
FIG. 2 is a schematic diagram of a first monitoring module of an external supply industrial steam monitoring system of a nuclear power plant according to one embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a control module structure of a nuclear power plant external supply industrial steam monitoring system according to an embodiment of the present disclosure;
FIG. 4 is a schematic diagram of a transmission module of an external supply industrial steam monitoring system of a nuclear power plant according to one embodiment of the present disclosure;
FIG. 5 is a schematic flow chart of a method for monitoring industrial steam supplied from a nuclear power plant according to one embodiment of the present disclosure;
fig. 6 is a schematic diagram of an electronic device according to one embodiment of the present disclosure.
Detailed Description
Embodiments of the present disclosure are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present disclosure and are not to be construed as limiting the present disclosure.
FIG. 1 is a schematic structural diagram of an external supply industrial steam monitoring system of a nuclear power plant according to the present disclosure, where, as shown in FIG. 1, the external supply industrial steam monitoring system of the nuclear power plant includes at least one subsystem, where the subsystems respectively correspond to a working unit of the nuclear power plant, and the nuclear power plant includes at least one working unit;
the subsystem comprises: the first monitoring module 110, the second monitoring module 120 and the control module 130, wherein the first monitoring module 110 and the second monitoring module 120 are respectively connected with the control module 130.
The first monitoring module 110 is configured to collect operation data of a corresponding working unit, and upload the operation data to the control module 130.
The second monitoring module 120 is configured to collect meter data of the factory boundary and upload the meter data to the control module 130.
And a control module 130 for processing the job data and the meter data to determine whether an abnormality occurs.
The control module 130 is respectively connected with a first valve 140 arranged on the working unit and a second valve 150 arranged on the boundary of the factory, the control module 130 sends a closing signal to the first valve 140 in response to the abnormality of the working data, and the control module 130 sends a closing signal to all the second valves 150 arranged on the boundary of the factory in response to the abnormality of the instrument data.
In the embodiment of the present disclosure, the first monitoring module 110 may be provided with a sensor for collecting various data in the working unit, and the sensor may be various, and is not limited herein, for example, a temperature sensor, a sound sensor, a pressure sensor, etc.
By monitoring the operation data of the working unit and the instrument data of the factory boundary, the quick response to the nuclear power plant can be realized, different responses can be carried out according to different conditions, the production safety of the nuclear power plant can be ensured, and the response speed in the accident occurrence can be improved.
In the embodiment of the present disclosure, the first monitoring module 110 may be connected to a device on a factory floor boundary to obtain device data, and may further be provided with a sensor to collect data on the factory floor boundary.
In one real-time manner of the present disclosure, as shown in fig. 2, the first monitoring module 110 includes: a radiation monitoring acquisition unit 210, a unit signal acquisition unit 220, a heat exchanger monitoring unit 230 and an industrial steam pipeline monitoring unit 240.
The radiation monitoring and collecting unit 210 is configured to collect radiation dose of the two-loop pipeline of the nuclear power unit, so as to obtain radiation monitoring data. By setting reliable, redundant and quick-response radiation monitoring measures, radioactivity is discovered in time and steam supply is blocked, so that radionuclide possibly contained in steam cannot leave the factory or enter a user side.
The unit signal acquisition unit 220 is configured to acquire signal data of the nuclear power unit. For example, the signal data may include a turbine trip signal, a turbine load dump signal, a turbine overspeed protection signal, a high exhaust pressure signal.
The heat exchanger monitoring unit 230 is used for collecting liquid level data of the industrial steam extraction hydrophobic tank and the hydrophobic tank at the pipe side of the steam-water separation heater.
An industrial steam pipe monitoring unit 240 for collecting steam data of the external industrial steam.
In one embodiment of the present disclosure, as shown in fig. 3, the control module 130 further includes: the first control unit 310 and the second control unit 320, the first control unit 310 is connected with the first monitoring module 110, and the second control unit 320 is connected with the second monitoring module 120;
the first monitoring unit is configured to aggregate the job data uploaded by the first monitoring module 110 and send the job data to the second monitoring unit;
a second monitoring unit for generating a control signal based on the job data and the meter data, and transmitting the control signal to the first control unit 310;
the first control unit 310 is further configured to control the operating states of the first valve 140 and the second valve 150 based on the control signal.
In the embodiment of the present disclosure, the first control unit 310 and the second control unit 320 may be various controllers, which are not limited herein, and may be, for example, a programmable logic controller (Programmable Logic Controller, PLC), a distributed control system (Distributed Control System, DCS), or the like.
It should be noted that, the first control unit 310 and the second control unit 320 may be the same controller, or may be different controllers, which are not limited herein, and the connection and connection manners between the different controllers may be different according to the actual design needs and operation needs of the nuclear power plant.
For example, taking a nuclear power plant with two working units as an example, instruments, valves and the like in a conventional island factory building of a No. 1 working unit are connected into a PLC control system through hard wires, the PLC system carries out bidirectional information transmission with a western house PLS system through a Modbus communication mode, signals in an industrial steam quick-closing valve chamber located at the boundary of a factory area are sent to a PLC remote I/O cabinet in the conventional island through the original heat-supplying PLC control system, and the signals are sent to the PLC control system through the hard wires. Instruments, valves and the like in a conventional island factory building of a No. 2 working unit are connected into a Western-style house PLS control system through hard wires, signals in an industrial steam quick-closing valve chamber positioned at the boundary of a factory are transmitted to a domestic DCS remote I/O cabinet of a combined pump station in a conventional island through an optical cable by the domestic DCS system of the combined pump station, and the signals are transmitted to the Western-style house PLS control system through the hard wires. In the embodiment, three control systems, namely a Western house PLS system, a domestic DCS system and a PLC control system, are used to form a complete control system of an industrial steam system of a power plant, and the different control systems are reasonably connected by adopting a communication or hard-wired connection mode, so that the quick response of the system can be ensured, and the network safety problem of multi-system control can be effectively solved.
To ensure safe operation of the nuclear power plant, and to prevent leakage, the first valve 140 and the second valve 150 in the embodiments of the present disclosure are quick shut-off valves.
The first control unit 310 performs quality judgment on the operation data and preferably performs operation processing on the signals to generate action instructions of all valves in the industrial steam control system, drives the second valve 150 at the factory boundary to close, prevents radioactivity from leaking, and can also control the first valve 140 in the working unit to close, thereby avoiding accidents or reducing losses after the accidents happen.
It should be noted that, since the nuclear power plant is a high-risk and high-confidentiality unit, there is a very high requirement on the speed of data transmission and the security of data, so in the embodiment of the disclosure, as shown in fig. 4, a first transmission unit 410 is connected between the first control unit 310 and the second control unit 320, and a second transmission unit 420 is connected between the first control unit 310 and the second monitoring module 120.
The first transmission unit 410 and the second transmission unit 420 are transmission units for guaranteeing data transmission and data security, and have a function of fast forwarding, so as to realize fast response of nuclear power plant information.
In one implementation of the present disclosure, the first transmission unit 410 and the second transmission unit 420 may be remote I/O devices.
In the embodiment of the disclosure, in order to accurately determine whether the operation data and the meter data are abnormal, after the operation data and the meter data are acquired, the operation data are determined to be abnormal in response to the operation data exceeding the normal operation range by comparing the operation data with the normal operation data range and comparing the meter data with the normal meter data range, and the operation data are determined to be abnormal in response to the meter data exceeding the normal operation range. The normal operation data range and the normal meter data range are set in advance, and may be changed according to actual design requirements, and are not limited in any way.
It should be noted that, communication connection may be further provided between the multiple subsystems for communication transmission and data interaction, so as to implement joint control.
Fig. 5 is a schematic flow chart of a method for monitoring industrial steam supplied from outside a nuclear power plant according to the present disclosure, as shown in fig. 5, the method includes:
s501, collecting operation data of a nuclear power plant working unit and instrument data of a factory boundary.
Specific steps may be referred to in the above embodiments, and will not be described herein.
S502, determining whether the operation data and the meter data are abnormal.
Specific steps may be referred to in the above embodiments, and will not be described herein.
S503, sending a closing signal to a first valve corresponding to the working unit in response to the operation data abnormality, and sending a closing signal to all second valves on the factory boundary in response to the instrument data abnormality.
In the embodiment of the disclosure, operation data of a working unit of a nuclear power plant and instrument data of a factory boundary are collected first, whether the operation data and the instrument data are abnormal or not is determined, a closing signal is sent to a first valve corresponding to the working unit in response to the abnormality of the operation data, and a closing signal is sent to all second valves of the factory boundary in response to the abnormality of the instrument data. Therefore, by monitoring the operation data of the working unit and the instrument data of the factory boundary, the quick response to the nuclear power plant can be realized, different responses can be carried out according to different conditions, the production safety of the nuclear power plant can be ensured, and the response speed of the nuclear power plant in the event of an accident can be improved.
In order to implement the above embodiments, the embodiments of the present disclosure further provide an electronic device 600, as shown in fig. 6, where the electronic device 600 includes: the processor 601 is communicatively coupled to a memory 602, the memory 602 storing instructions executable by the at least one processor, the instructions being executable by the at least one processor 601 to implement a method for monitoring industrial steam supplied outside a nuclear power plant as an embodiment of the first aspect of the present disclosure.
To achieve the above embodiments, the embodiments of the present disclosure further provide a non-transitory computer-readable storage medium storing computer instructions for causing a computer to implement the method for monitoring industrial steam supplied outside a nuclear power plant as the embodiment of the first aspect of the present disclosure.
In order to implement the above-described embodiments, the disclosed embodiments also propose a computer program product comprising a computer program which, when executed by a processor, implements a method for monitoring industrial steam supplied outside a nuclear power plant as the embodiment of the first aspect of the disclosure.
In the description of the present disclosure, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present disclosure and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present disclosure.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present disclosure, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Although embodiments of the present disclosure have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the present disclosure, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the present disclosure.
Claims (10)
1. An external supply industrial steam monitoring system for a nuclear power plant, comprising: at least one subsystem, the subsystem corresponds to a working unit of a nuclear power plant respectively, and the nuclear power plant comprises at least one working unit;
the subsystem comprises: the system comprises a first monitoring module, a second monitoring module and a control module, wherein the first monitoring module and the second monitoring module are respectively connected with the control module;
the first monitoring module is used for collecting operation data corresponding to the working unit and uploading the operation data to the control module;
the second monitoring module is used for collecting instrument data of the factory boundary and uploading the instrument data to the control module;
the control module is used for processing the operation data and the instrument data to determine whether an abnormality occurs;
the control module is respectively connected with a first valve arranged on the working unit and a second valve arranged on the boundary of the factory, responds to the abnormality of the operation data, sends a closing signal to the first valve, responds to the abnormality of the instrument data, and sends closing signals to all the second valves arranged on the boundary of the factory.
2. The nuclear power plant external supply industrial steam monitoring system of claim 1, wherein the control module comprises: the first control unit is connected with the second control unit, the first control unit is connected with the first monitoring module, and the second control unit is connected with the second monitoring module;
the first monitoring unit is used for summarizing the operation data uploaded by the first monitoring module and sending the operation data to the second monitoring unit;
the second monitoring unit is used for generating a control signal based on the operation data and the instrument data and sending the control signal to the first control unit;
the first control unit is further used for controlling the working states of the first valve and the second valve based on the control signals.
3. The nuclear power plant external supply industrial steam monitoring system according to claim 2, wherein a first transmission unit is connected between the first control unit and the second control unit.
4. The nuclear power plant external supply industrial steam monitoring system according to claim 1, wherein a second transmission unit is connected between the first control unit and the second monitoring module.
5. The nuclear power plant external supply industrial steam monitoring system of claim 1, wherein the first monitoring module comprises:
the system comprises a radiation monitoring acquisition unit, a unit signal acquisition unit, a heat exchanger monitoring unit and an industrial steam pipeline monitoring unit;
the radiation monitoring acquisition unit is used for acquiring the radiation dose of the two-loop pipeline of the nuclear power unit so as to obtain radiation monitoring data;
the unit signal acquisition unit is used for acquiring signal data of the nuclear power unit;
the heat exchanger monitoring unit is used for acquiring liquid level data of the industrial steam extraction hydrophobic tank and the hydrophobic tank at the pipe side of the steam-water separation heater;
the industrial steam pipeline monitoring unit is used for collecting steam data of the externally supplied industrial steam.
6. The nuclear power plant external supply industrial steam monitoring system of claim 1, wherein the second monitoring module comprises:
and the instrument data acquisition unit is used for acquiring instrument data of instruments, valves and radiation monitors in the main factory building and at factory boundaries.
7. The nuclear power plant external supply industrial steam monitoring system of claim 3 or 4, wherein the first transmission unit and the second transmission unit are remote I/O devices.
8. The nuclear power plant external supply industrial steam monitoring system of claim 1, further comprising:
comparing the job data with a normal job data range;
and determining that the job data is abnormal in response to the job data exceeding the normal job range.
9. The nuclear power plant external supply industrial steam monitoring system of claim 1, further comprising:
comparing the meter data with a normal meter data range;
and determining that the job data is abnormal in response to the meter data being outside the normal job range.
10. The utility model provides a nuclear power plant supplies industrial steam monitoring method which is characterized in that the method comprises the following steps:
collecting operation data of a nuclear power plant working unit and instrument data of a factory boundary;
determining whether the job data and the meter data are abnormal;
and sending a closing signal to a first valve corresponding to the working unit in response to the operation data abnormality, and sending a closing signal to all second valves on the factory boundary in response to the instrument data abnormality.
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| CN202310422971.4A CN116560310A (en) | 2023-04-17 | 2023-04-17 | Nuclear power plant external supply industrial steam monitoring system and method thereof |
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| CN202310422971.4A CN116560310A (en) | 2023-04-17 | 2023-04-17 | Nuclear power plant external supply industrial steam monitoring system and method thereof |
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| CN116560310A true CN116560310A (en) | 2023-08-08 |
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| CN202310422971.4A Pending CN116560310A (en) | 2023-04-17 | 2023-04-17 | Nuclear power plant external supply industrial steam monitoring system and method thereof |
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