CN109405161B - Ventilation system of nuclear power station - Google Patents
Ventilation system of nuclear power station Download PDFInfo
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- CN109405161B CN109405161B CN201811087292.1A CN201811087292A CN109405161B CN 109405161 B CN109405161 B CN 109405161B CN 201811087292 A CN201811087292 A CN 201811087292A CN 109405161 B CN109405161 B CN 109405161B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20718—Forced ventilation of a gaseous coolant
- H05K7/20745—Forced ventilation of a gaseous coolant within rooms for removing heat from cabinets, e.g. by air conditioning device
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Ventilation (AREA)
Abstract
The invention provides a ventilation system of a nuclear power station, which comprises: the air supply system comprises an A row of air supply pipes, a B row of air supply pipes, three air supply modules and an air exhaust module; the air supply module comprises an air filtering device, a first heater, a cooling coil, a humidifier and an air supply unit; the air supply air pipes of the A row and the air supply air pipes of the B row are respectively provided with a plurality of air outlets, and the input end of the air exhaust module is connected with a plurality of air inlets; the air outlets are respectively arranged among the A-row electric equipment room, the A-row storage battery room, the B-row electric equipment room and the B-row storage battery room, and one of the air outlets on the A-row air supply pipe or the air outlets on the B-row air supply pipe is also arranged in the main control chamber; the air inlets are respectively arranged among the A-column electric equipment rooms, the A-column storage batteries, the main control room, the B-column electric equipment rooms and the B-column storage batteries. The invention can reduce the number of devices in the ventilation system and reduce the occupied space of the ventilation system.
Description
Technical Field
The invention relates to the technical field of nuclear power, in particular to a ventilation system of a nuclear power station.
Background
The main control room, the electrical instrument control equipment room, cold changing the clothes room, each region such as battery room and cable layer and the factory building of most of traditional pressurized water reactor nuclear power station set up independent air conditioner and ventilation system respectively, and the system mainly includes: the system comprises a main control room air conditioning system (providing air conditioning ventilation for the main control room), an electric plant main ventilation system (providing ventilation and cooling for the electric plant), and a cable layer ventilation system (providing ventilation and ventilation between a cable layer and a storage battery). The ventilation system between the traditional main control room and the electrical instrument control equipment is complex in design, various in equipment, dispersed in equipment and long in pipeline arrangement, construction and maintenance cost is increased, and the ventilation system between the traditional main control room and the electrical instrument control equipment occupies a large space.
In addition, as shown in fig. 1, the air treatment section of the master control room air conditioning system of the conventional pressurized water reactor nuclear power plant is composed of one row of iodine filter sections and two rows of air treatment sections with redundancy in parallel connection, and the iodine filter sections are not provided with redundancy. This design only addresses the single failure case, with a significant risk of failure in the event of a superposition of accidents.
Disclosure of Invention
In order to solve the technical problem, the invention provides a ventilation system of a nuclear power station, which can reduce the number of devices in the ventilation system and reduce the occupied space of the ventilation system.
The invention provides a ventilation system of a nuclear power station, which comprises: the air supply system comprises an A row of air supply pipes, a B row of air supply pipes, three air supply modules and an air exhaust module; each air supply module comprises an air filtering device, a first heater, a cooling coil, a humidifier and an air supply unit;
the air supply air pipes of the A row and the air supply air pipes of the B row are respectively provided with a plurality of air outlets, and the input end of the air exhaust module is connected with a plurality of air inlets;
the air outlets on the air supply air pipes in the A row are respectively arranged between the electric equipment in the A row and between the storage batteries in the A row, the air outlets on the air supply air pipes in the B row are respectively arranged between the electric equipment in the B row and between the storage batteries in the B row, and one of the air outlets on the air supply air pipes in the A row or the air outlets on the air supply air pipes in the B row is also arranged in the main control chamber;
the plurality of air inlets are respectively arranged among the A-row electrical equipment room, the A-row storage battery room, the main control room, the B-row electrical equipment room and the B-row storage battery room;
the air exhaust module is used for exhausting air among the A-row electrical equipment room, the A-row storage battery room, the main control room, the B-row electrical equipment room and the B-row storage battery room;
the input end of the air filtering device is used for receiving fresh air, the output end of the air filtering device is connected with the input end of the first heater through an air channel, the output end of the first heater is connected with the input end of the cooling coil pipe through an air channel, the output end of the cooling coil pipe is connected with the input end of the humidifier through an air channel, and the output end of the humidifier is connected with the input end of the air supply unit through an air channel;
the air supply unit of the first air supply module conveys air output by the humidifier to the air supply pipe in the row A, the air supply unit of the second air supply module conveys air output by the humidifier to the air supply pipe in the row B, and the air supply unit of the third air supply module conveys air output by the humidifier to the main control room.
Preferably, a plurality of air outlets on the air supply pipe of the row A or a plurality of air outlets on the air supply pipe of the row B are provided with an air outlet arranged on the cable interlayer, and a plurality of air inlets are provided with an air inlet arranged on the cable interlayer.
Preferably, the air conditioner also comprises an A-column return air pipe and a B-column return air pipe;
the first end of the row A of return air pipes is connected with an air inlet which is connected with the air exhaust module and is arranged in the row A of electric equipment rooms, and the second end of the row A of return air pipes is connected with the input end of the first heater of the first air supply module;
the first ends of the B-row return air pipes are connected with air inlets which are connected with the air exhaust modules and arranged in the B-row electrical equipment rooms, and the second ends of the B-row return air pipes are connected with the input end of the first heater of the second air supply module;
and the first end of the A-row return air pipe or the first end of the B-row return air pipe is also connected with an air inlet which is connected with the air exhaust module and is arranged in the main control room, and the first end of the A-row return air pipe or the first end of the B-row return air pipe is also connected with an air inlet which is connected with the air exhaust module and is arranged on the cable interlayer.
Preferably, the row a of electrical equipment rooms includes a row a of non-safety-level cabinets, a row a of safety-level cabinets and a row a of non-safety-level instrument control cabinets, and the row a of storage batteries includes a row a of non-safety-level storage batteries and a row a of safety-level storage batteries;
the B rows of electric equipment rooms comprise B rows of non-safety-level cabinets and B rows of safety-level cabinets, and the B rows of storage batteries comprise B rows of non-safety-level storage batteries and B rows of safety-level storage batteries.
Preferably, the air supply unit of the third air supply module is further configured to convey air output by the humidifier to a toilet, the exhaust module includes a plurality of exhaust fans and a check valve connected to an output end of the exhaust fan, one of the exhaust fans is an axial flow fan, and the axial flow fan is configured to exhaust air from the toilet.
Preferably, the air inlets arranged in the A-row storage battery room are connected with the input ends of the first group of exhaust fans through air ducts, and the air inlets arranged in the A-row electrical equipment room and the cable interlayer are connected with the input ends of the second group of exhaust fans through air ducts;
the air inlets arranged in the main control room and the B row of electrical equipment room are connected with the input end of the third group of exhaust fans through air ducts;
the air inlet arranged in the space between the B rows of storage batteries is connected with the input end of a fourth group of exhaust fans through an air duct;
the first group of exhaust fans, the second group of exhaust fans, the third group of exhaust fans and the fourth group of exhaust fans all comprise two exhaust fans side by side.
Preferably, the air supply unit of the first air supply module and the air supply unit of the second air supply module each include two air supply lines, the air supply unit of the third air supply module includes one air supply line, and the air supply line includes one air blower and a check valve connected to an output end of the air blower.
Preferably, the air filtering device comprises a primary filter and a secondary filter;
the output end of the primary filter is connected with the input end of the intermediate filter through an air duct, and the output end of the intermediate filter is connected with the input end of the first heater through an air duct.
Preferably, each air supply module further comprises a fresh air port and a second heater;
the input end of the second heater is connected with the fresh air inlet through an air duct, and the output end of the second heater is connected with the input end of the primary filter through an air duct.
The implementation of the invention has the following beneficial effects: the invention designs the ventilation systems among the main control room, the electrical equipment rooms and the storage batteries as a shared air processing section, adopts three air supply modules to supply air to the A-row electrical equipment rooms, the A-row storage battery rooms, the B-row electrical equipment rooms, the B-row storage battery rooms and the main control room, avoids the condition that the A-row electrical equipment rooms, the A-row storage battery rooms, the B-row electrical equipment rooms, the B-row storage battery rooms and the main control room are respectively and independently provided with air conditioning systems for ventilation, can reduce the using quantity of the equipment in the ventilation system, reduce the occupied space of the equipment and improve the utilization rate of the equipment in the ventilation system.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a prior art air handling section of a conventional PWR nuclear power plant Master control Room air conditioning system.
FIG. 2 is a schematic diagram of a nuclear power plant ventilation system provided by the present invention.
Detailed Description
The present invention provides a ventilation system for a nuclear power plant, as shown in fig. 2, the ventilation system comprising: the air supply system comprises an A row of air supply ducts 202, a B row of air supply ducts 203, three air supply modules 100, 200 and 300 and an air exhaust module 400; each air supply module comprises an air filtering device, a first heater 4, a cooling coil 5, a humidifier 6 and an air supply unit.
The air supply units of the first and second air supply modules 100 and 200 each include two air supply lines, and the air supply unit of the third air supply module 300 includes one air supply line, which includes a blower and a check valve 8 connected to an output end of the blower.
The air supply ducts 202 and 203 of the rows A and B are respectively provided with a plurality of air outlets 102, and the input end of the air exhaust module 400 is connected with a plurality of air inlets 103.
The air outlets 102 of the air supply duct 202 of the row A are respectively arranged between the electrical equipment of the row A and the storage batteries of the row A, the air outlets 102 of the air supply duct 203 of the row B are respectively arranged between the electrical equipment of the row B and the storage batteries of the row B, and one air outlet 102 of the air outlets 102 of the air supply duct 202 of the row A or the air outlets 102 of the air supply duct 203 of the row B is also arranged in the main control room.
The A-row electric equipment room comprises A-row non-safety-level equipment cabinets, A-row safety-level equipment cabinets and non-safety-level instrument control equipment cabinets, and the A-row storage battery room comprises A-row non-safety-level storage battery rooms and A-row safety-level storage battery rooms.
The B rows of electric equipment comprise B rows of non-safety-level cabinets and B rows of safety-level cabinets, and the B rows of storage batteries comprise B rows of non-safety-level storage batteries and B rows of safety-level storage batteries.
The air inlets 103 are respectively arranged among the A-column electric equipment rooms, the A-column storage batteries, the main control room, the B-column electric equipment rooms and the B-column storage batteries.
The exhaust module 400 is used to exhaust air between the electrical devices in the row a, between the storage batteries in the row a, between the main control room, between the electrical devices in the row B, and between the storage batteries in the row B.
The input of air filter is used for receiving the new trend, and air filter filters for the new trend, for example, filters the dust in the air, and air filter's output passes through the wind channel with first heater 4's input and is connected, and first heater 4's output passes through the wind channel and is connected with cooling coil 5's input, and cooling coil 5's output passes through the wind channel and is connected with humidifier 6's input, and humidifier 6's output passes through the wind channel and is connected with air supply unit's input.
Specifically, the air filter device comprises a primary filter 2 and a secondary filter 3.
The output end of the primary filter 2 is connected with the input end of the intermediate filter 3 through an air duct, and the output end of the intermediate filter 3 is connected with the input end of the first heater 4 through an air duct.
The air supply unit of the first air supply module 100 supplies the air output from the humidifier 6 to the row a air supply duct 202, the air supply unit of the second air supply module 200 supplies the air output from the humidifier 6 to the row B air supply duct 203, and the air supply unit of the third air supply module 300 supplies the air output from the humidifier 6 to the main control room.
Furthermore, one air outlet 102 is arranged in the cable interlayer among the plurality of air outlets 102 on the air supply duct 202 in the row A or the plurality of air outlets 102 on the air supply duct 203 in the row B, and one air inlet 103 is also arranged in the cable interlayer among the plurality of air inlets 103.
Further, the ventilation system of the nuclear power plant also comprises an A-column return air duct 201 and a B-column return air duct 204.
The first end of the row A of return air ducts 201 is connected with the air exhaust module 400 and the air inlet 103 arranged in the row A of electrical equipment room, and the second end of the row A of return air ducts 201 is connected with the input end of the first heater 4 of the first air supply module 100.
The first end of the row B of return air ducts 204 is connected to the air inlet 103 of the row B of electrical equipment room connected to the air exhaust module 400, and the second end of the row B of return air ducts 204 is connected to the input end of the first heater 4 of the second air supply module 200.
And the first end of the row a return air duct 201 or the first end of the row B return air duct 204 is also connected to the air intake 103 which is connected to the air exhaust module 400 and is disposed in the main control room, and the first end of the row a return air duct 201 or the first end of the row B return air duct 204 is also connected to the air intake 103 which is connected to the air exhaust module 400 and is disposed in the cable interlayer.
Further, the air supply unit of the third air supply module 300 is further configured to deliver the air output by the humidifier 6 to a toilet, the air exhaust module 400 includes a plurality of exhaust fans 8 and check valves 8 connected to output ends of the exhaust fans 8, one of the exhaust fans 8 is an axial flow fan (as indicated by reference numeral 9 in fig. 2), the axial flow fan is configured to exhaust air to the toilet, and the output end of the exhaust fan 8 in the air exhaust module 400 is further connected to the air outlet 104 through the check valve 8.
Furthermore, the air inlet 103 arranged in the A-row storage battery room is connected with the input end of the first group of exhaust fans through an air duct, and the air inlet 103 arranged in the A-row electrical equipment room and the cable interlayer is connected with the input end of the second group of exhaust fans through an air duct.
And the air inlet 103 arranged in the main control room and the B row of electrical equipment room is connected with the input end of the third group of exhaust fans through an air duct.
And an air inlet 103 arranged between the B rows of storage batteries is connected with the input end of the fourth group of exhaust fans through an air duct.
The first group of exhaust fans, the second group of exhaust fans, the third group of exhaust fans and the fourth group of exhaust fans all comprise two exhaust fans 8 which are arranged side by side.
Further, each air supply module also comprises a fresh air inlet 101 and a second heater 1.
The input end of the second heater 1 is connected with the fresh air inlet 101 through an air duct, fresh air entering the ventilation system is received through the fresh air duct 101, and the output end of the second heater 1 is connected with the input end of the primary filter 2 through the air duct.
The ventilation system provided by the invention can be generally used in small nuclear power stations, and can creatively design the ventilation systems of a main control room, an electrical equipment room and a storage battery room as a common air treatment section aiming at the characteristics of compact arrangement of small reactors and the requirements of limited space environment and the like, thereby realizing the minimization of the number of equipment and the occupied space of the equipment and the maximization of the utilization rate.
Aiming at different ventilation requirements of a main control room, an electrical equipment room, a storage battery room and a cable interlayer, the ventilation system of the invention designs a corresponding room into two different air return and air exhaust modes of fresh air plus primary air return and direct current ventilation, for example, the storage battery room is designed into the direct current ventilation air exhaust mode, namely, the air entering the storage battery room is the fresh air, and the main control room, the electrical equipment room and the cable interlayer are designed into the mode of fresh air plus primary air return, namely, the air entering the main control room, the electrical equipment room and the cable interlayer is the fresh air and the primary air return in turn, thereby reducing the fresh air volume under the condition of meeting the ventilation requirements and achieving the purposes of energy saving and consumption reduction.
The air treatment sections are divided into three rows, one row provides air supply for rooms such as an A row of electric equipment rooms and an A row of storage batteries, the other row provides air supply for rooms such as a main control room, a B row of electric equipment rooms and a B row of storage batteries, and active equipment (air blowers) of the two rows of air treatment sections are designed to be in 2 x 100% redundancy configuration. Meanwhile, a row of main control rooms in the row A is independently provided, and an independent standby subsystem for supplying air to the main control rooms is specially provided. In this way, the active equipment of the air handling section providing the air supply for the main control room achieves a 3 × 100% redundant configuration. Therefore, the reliability of the air conditioning and ventilating system of the main control room is greatly improved under the condition of greatly reducing equipment and pipelines.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (9)
1. A nuclear power plant ventilation system, comprising: the air supply system comprises an A row of air supply pipes, a B row of air supply pipes, three air supply modules and an air exhaust module; each air supply module comprises an air filtering device, a first heater, a cooling coil, a humidifier and an air supply unit;
the air supply air pipes of the A row and the air supply air pipes of the B row are respectively provided with a plurality of air outlets, and the input end of the air exhaust module is connected with a plurality of air inlets;
the air outlets on the air supply air pipes in the A row are respectively arranged between the electric equipment in the A row and between the storage batteries in the A row, the air outlets on the air supply air pipes in the B row are respectively arranged between the electric equipment in the B row and between the storage batteries in the B row, and one of the air outlets on the air supply air pipes in the A row or the air outlets on the air supply air pipes in the B row is also arranged in the main control chamber;
the plurality of air inlets are respectively arranged among the A-row electrical equipment room, the A-row storage battery room, the main control room, the B-row electrical equipment room and the B-row storage battery room;
the air exhaust module is used for exhausting air among the A-row electrical equipment room, the A-row storage battery room, the main control room, the B-row electrical equipment room and the B-row storage battery room;
the input end of the air filtering device is used for receiving fresh air, the output end of the air filtering device is connected with the input end of the first heater through an air channel, the output end of the first heater is connected with the input end of the cooling coil pipe through an air channel, the output end of the cooling coil pipe is connected with the input end of the humidifier through an air channel, and the output end of the humidifier is connected with the input end of the air supply unit through an air channel;
the air supply unit of the first air supply module conveys air output by the humidifier to the air supply pipe A, the air supply unit of the second air supply module conveys air output by the humidifier to the air supply pipe B, and the air supply unit of the third air supply module conveys air output by the humidifier to the main control room.
2. The nuclear power plant ventilation system of claim 1, wherein one of the plurality of air outlets of the air supply duct of the row a or the air outlets of the air supply duct of the row B is disposed in the cable interlayer, and one of the plurality of air inlets is further disposed in the cable interlayer.
3. The nuclear power plant ventilation system of claim 2, further comprising an a-column return air duct and a B-column return air duct;
the first end of the row A of return air pipes is connected with an air inlet which is connected with the air exhaust module and is arranged in the row A of electric equipment rooms, and the second end of the row A of return air pipes is connected with the input end of the first heater of the first air supply module;
the first ends of the B-row return air pipes are connected with air inlets which are connected with the air exhaust modules and arranged in the B-row electrical equipment rooms, and the second ends of the B-row return air pipes are connected with the input end of the first heater of the second air supply module;
and the first end of the A-row return air pipe or the first end of the B-row return air pipe is also connected with an air inlet which is connected with the air exhaust module and is arranged in the main control room, and the first end of the A-row return air pipe or the first end of the B-row return air pipe is also connected with an air inlet which is connected with the air exhaust module and is arranged on the cable interlayer.
4. The nuclear power plant ventilation system of claim 2, wherein the a columns of electrical equipment rooms include a columns of non-safety-class cabinets, a columns of safety-class cabinets and a column of non-safety-class instrument control cabinets, and the a columns of storage batteries include a columns of non-safety-class storage batteries and a columns of safety-class storage batteries;
the B rows of electric equipment rooms comprise B rows of non-safety-level cabinets and B rows of safety-level cabinets, and the B rows of storage batteries comprise B rows of non-safety-level storage batteries and B rows of safety-level storage batteries.
5. The nuclear power plant ventilation system of claim 2, wherein the air supply unit of the third air supply module is further configured to supply the air output by the humidifier to a toilet, and the air exhaust module includes a plurality of exhaust fans and a check valve connected to output ends of the exhaust fans, wherein one of the exhaust fans is an axial flow fan, and the axial flow fan is configured to exhaust air to the toilet.
6. The nuclear power plant ventilation system of claim 5, wherein the air inlets arranged in the A-row storage battery room are connected with the input ends of the first group of exhaust fans through air ducts, and the air inlets arranged in the A-row electrical equipment room and the cable interlayer are connected with the input ends of the second group of exhaust fans through air ducts;
the air inlets arranged in the main control room and the B row of electrical equipment room are connected with the input end of the third group of exhaust fans through air ducts;
the air inlet arranged in the space between the B rows of storage batteries is connected with the input end of a fourth group of exhaust fans through an air duct;
the first group of exhaust fans, the second group of exhaust fans, the third group of exhaust fans and the fourth group of exhaust fans all comprise two exhaust fans side by side.
7. The nuclear power plant ventilation system of claim 1, wherein the first and second blower modules each include two blower circuits, and the third blower module includes a single blower circuit including a single blower and a check valve connected to the output of the single blower.
8. The nuclear power plant ventilation system of claim 1, wherein the air filtration device comprises a primary filter and a secondary filter;
the output end of the primary filter is connected with the input end of the intermediate filter through an air duct, and the output end of the intermediate filter is connected with the input end of the first heater through an air duct.
9. The nuclear power plant ventilation system of claim 8, wherein each air delivery module further comprises a fresh air inlet and a second heater;
the input end of the second heater is connected with the fresh air inlet through an air duct, and the output end of the second heater is connected with the input end of the primary filter through an air duct.
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| CN201811087292.1A CN109405161B (en) | 2018-09-18 | 2018-09-18 | Ventilation system of nuclear power station |
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| CN201811087292.1A CN109405161B (en) | 2018-09-18 | 2018-09-18 | Ventilation system of nuclear power station |
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| CN110567117A (en) * | 2019-08-29 | 2019-12-13 | 苏州热工研究院有限公司 | interlocking control device and method applied to air supply system |
| CN113871048B (en) * | 2021-08-16 | 2024-04-12 | 中国核电工程有限公司 | Method and system for ventilation of remote shutdown station of nuclear power station |
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