CN106024082B - A kind of underground nuclear power station seals door system - Google Patents
A kind of underground nuclear power station seals door system Download PDFInfo
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- CN106024082B CN106024082B CN201610489755.1A CN201610489755A CN106024082B CN 106024082 B CN106024082 B CN 106024082B CN 201610489755 A CN201610489755 A CN 201610489755A CN 106024082 B CN106024082 B CN 106024082B
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D3/00—Control of nuclear power plant
- G21D3/04—Safety arrangements
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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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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Measurement Of Radiation (AREA)
Abstract
The invention discloses a kind of underground nuclear power station to seal door system, including the high radioactivity horizontal chamber, isolation transition chamber thereof and low-activity chamber, the high radioactivity horizontal chamber that are sequentially connected are provided with the first gas-tight door with isolating between transition chamber thereof；The second gas-tight door is provided between isolation transition chamber thereof and low-activity chamber；It is provided with above first gas-tight door respectively with high radioactivity horizontal chamber and isolate the first penetration piece pipe that transition chamber thereof connects, the second gas-tight door top is provided with the second penetration piece pipe with isolating transition chamber thereof and low-activity chamber respectively.The present invention while normal connection is ensured, can effectively isolate the radioactive pollution of different radioactive level cavity spaces.Meanwhile temperature, pressure, air humidity, the radioactive water equality parameter of isolation cavity space can be monitored, provide atmospheric reference foundation for the monitoring during accident and rescue.
Description
Technical field
The present invention relates to nuclear power technology, and door system is sealed in particular to a kind of underground nuclear power station.
Background technology
After Fukushima nuclear accident, the requirement to nuclear plant safety is further lifted.Nuclear power station is placed in into underground to increase
The inherent safety of nuclear power station, increase the radioactivity protection barrier of nuclear power station.Nuclear power station is placed in after underground, relates to nuclear power
The isolation stood between underground chamber with connect.The horizontal cavity space of high radioactivity and low-activity chamber particularly under accident conditions
Isolation and connection between the space of room etc..
Existing isolating door design simple (a kind of dept. of radiology of such as Chinese patent radiation proof isolating door, the patent No.：
CN201520986675.8；Chinese patent electric isolating valve, the patent No.：CN201210000862.5), easily made during use
Into the radiation cross pollution between cavity space, it is impossible to meet the requirement of underground nuclear power station.
The content of the invention
It is an object of the invention to for existing isolating door technological deficiency, propose a kind of underground nuclear power station seal isolation door
System.The isolation door system can effectively isolate putting for different radioactive level cavity spaces while normal connection is ensured
Radioactive pollution.Meanwhile temperature, pressure, air humidity, the radioactive water equality parameter of isolation cavity space can be monitored, it is accident
The monitoring and rescue of period provides atmospheric reference foundation.
The purpose of the present invention is reached by following measure：Underground nuclear power station seal off door system, its it is special it
Be in, including be sequentially connected high radioactivity horizontal chamber, isolation transition chamber thereof and low-activity chamber, the height put
Penetrating property horizontal chamber is provided with the first gas-tight door with isolating between transition chamber thereof；The isolation transition chamber thereof and low-activity
The second gas-tight door is provided between chamber；It is provided with above first gas-tight door respectively with high radioactivity horizontal chamber and isolating
First penetration piece pipe of transition chamber thereof connection, the second gas-tight door top are provided with respectively with isolating transition chamber thereof and low radiation
Property horizontal chamber connection the second penetration piece pipe.
In the above-mentioned technical solutions, the high radioactivity horizontal chamber is arranged in underground nuclear power station close to reactor or put
In the cavern of the higher side of penetrating property level, the low-activity chamber is arranged far from reactor or radioactive level is relatively low
In the cavern of side.
In the above-mentioned technical solutions, it is provided with the first penetration piece pipe on one end of high radioactivity horizontal chamber
Height puts chamber isolation valve, is provided with transition chamber thereof isolating valve and adpting flange on one end of isolation transition chamber thereof.After accident
Phase, accident treatment personnel can be connect portable air filtering dolly by adpting flange interface, handle high radioactivity horizontal chamber
Interior contaminated air, auxiliary alleviate accident harm.
In the above-mentioned technical solutions, it is provided with the second penetration piece pipe on one end of low-activity chamber
It is low to put chamber isolation valve, be provided with non-return valve and numerical control air exhauster on one end of isolation transition chamber thereof.In underground nuclear power station
During normal operation, non-return valve is inversely closed, and is realized and is opened when air flows from low-activity chamber to isolation transition chamber thereof,
Closed during reverse flow.Under accident conditions, numerical control air exhauster starts work, is taken out by the second penetration piece pipe to isolation transition chamber thereof
Gas pressurizes, it is ensured that high radioactivity horizontal chamber is in negative pressure state, prevents radioactive substance from expanding to uncontaminated or low stain region
Dissipate.
In the above-mentioned technical solutions, it is provided with that height puts chamber atmosphere detector and height is put in the high radioactivity horizontal chamber
Chamber atmosphere monitor display, it is described isolation transition chamber thereof in be provided with transition chamber thereof air detector and transition chamber thereof air prison
Display is surveyed, is set in the low-activity chamber and low put chamber atmosphere detector and low put chamber atmosphere monitoring display
Device.During underground nuclear power station nominal situation is run, the air condition for monitoring each chamber can be collected.In the air of any chamber
Can each chamber atmosphere information of real time inspection on monitor display.
In the above-mentioned technical solutions, the height puts chamber atmosphere detector, transition chamber thereof air detector and low puts chamber
Atmospheric temperature, humidity, pressure and radioactivity monitoring probe are respectively provided with air detector, and the equal simultaneous transmission of monitoring signals is paramount
Put chamber atmosphere monitor display, transition chamber thereof atmospheric monitoring display and it is low put chamber atmosphere monitor display, and pass through number
Master control room is delivered to according to line.Air detection instrument monitors air themperature, humidity, pressure and the radioactive level in residing chamber respectively.
In the above-mentioned technical solutions, the height puts the pressure that chamber atmosphere detector and transition chamber thereof air detector monitor
Difference signal is sent to numerical control air exhauster as control signal.Height puts chamber atmosphere detector and the monitoring of transition chamber thereof air detector
To atm difference signal deliver to numerical control air exhauster as control signal, if the pressure in the high radioactivity horizontal chamber monitored
More than the pressure in isolation transition chamber thereof, then pressure difference signal control numerical control air exhauster startup work.
Beneficial effects of the present invention are as follows：The present invention is while the connection of chamber of different radioactive levels is controlled, energy
Effectively controllable isolator descends each adjacent chamber of nuclear power.In underground nuclear power station during normal operation, each chamber of monitoring can be collected
Atmospheric condition, during accident conditions, the expansion of radioactive pollution scope during use can be prevented by monitoring automatism isolation
Greatly, and can aid in alleviating accident harm.
Brief description of the drawings
Fig. 1 is that underground nuclear power station of the present invention seals off door system schematic diagram
In figure：1. high radioactivity horizontal chamber, 2. isolation transition chamber thereofs, 3. low-activity chambers, 4. first is airtight
Door, 5. second gas-tight doors, 6. first penetration piece pipes, 7. height put chamber isolation valve, 8. transition chamber thereof isolating valves, 9. adpting flanges,
10. the second penetration piece pipe, 11. non-return valves, 12. it is low put chamber isolation valve, 13. numerical control air exhausters, 14. height put chamber atmosphere detection
Instrument, 15. transition chamber thereof air detectors, 16. it is low put chamber atmosphere detector, 17. transition chamber thereof atmospheric monitoring displays, 18.
Low to put chamber atmosphere monitor display, 19. height put chamber atmosphere monitor display, 20. data wires.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention is described in further detail, but the embodiment should not be construed as pair
The limitation of the present invention.
A kind of underground nuclear power station of the present invention seals door system as shown in figure 1, the high radioactivity horizontal cavity including being sequentially connected
Room 1, isolation transition chamber thereof 2 and low-activity chamber 3.High radioactivity horizontal chamber 1 is with isolating between transition chamber thereof 2 by
One gas-tight door 4 separates, and isolates between transition chamber thereof 2 and low-activity chamber 3 and is separated by the second gas-tight door 5.First is airtight
Door 4 top be provided with respectively with high radioactivity horizontal chamber 1 and isolate transition chamber thereof 2 connect the first penetration piece pipe 6, the second gas
The close top of door 5 is provided with the second penetration piece pipe 10 connected respectively with isolating transition chamber thereof 2 and low-activity chamber 3.The
Height is provided with one end of high radioactivity horizontal chamber 1 put chamber isolation valve 7, positioned at isolation transition on one penetration piece pipe 6
Transition chamber thereof isolating valve 8 and adpting flange 9 are disposed with one end of chamber 2.It is located at low radiation on second penetration piece pipe 10
Property horizontal chamber 3 one end on be provided with it is low put chamber isolation valve 12, positioned at isolation transition chamber thereof 2 one end on be disposed with
Non-return valve 11 and numerical control air exhauster 13.
It is provided with that height puts chamber atmosphere detector 14 and height puts chamber atmosphere monitor display in high radioactivity horizontal chamber 1
19, isolate in transition chamber thereof 2 and be provided with transition chamber thereof air detector 15 and transition chamber thereof atmospheric monitoring display 17, low radiation
Property horizontal chamber 3 in set and low put chamber atmosphere detector 16 and low put chamber atmosphere monitor display 18.Height puts chamber atmosphere
Detector 14, transition chamber thereof air detector 15 and low put are respectively provided with atmospheric temperature, humidity, pressure on chamber atmosphere detector 16
And radioactivity monitoring probe, and the equal simultaneous transmission of monitoring signals is paramount puts chamber atmosphere monitor display 19, transition chamber thereof air
Monitor display 17 and it is low put chamber atmosphere monitor display 18, and master control room is delivered to by data wire 20.Height puts chamber atmosphere
The pressure difference signal that detector 14 and transition chamber thereof air detector 15 monitor, which is sent to numerical control air exhauster 13, is used as control signal.
Underground nuclear power station application the technical scheme when, high radioactivity horizontal chamber 1 can be positioned close to reactor or
In the cavern of the higher side of radioactive level, by low-activity chamber 3 be arranged far from reactor or radioactive level compared with
The cavern of low side.
During normal operation, the first gas-tight door 4 and the second gas-tight door 5 keep normally off, and height puts chamber isolation valve 7 and transition
Chamber isolation valve 8 is closed, and separates high radioactivity horizontal zone and the external world, and low chamber isolation valve 12 of putting also remains turned-off, and plays
The purpose of dual resisteance.Meanwhile non-return valve 11 is inversely closed, realize air from low-activity chamber 3 to isolation adapter cavity
Room 2 is opened when flowing, and is closed during reverse flow.When needing by equipment or personnel, the first gas-tight door 4 and the second gas-tight door 5
Open one by one, but ensure while only open one of gas-tight door, prevent the expansion of potential atmosphere pollution pollution range.With for the moment
Carve, chamber atmosphere monitor display 19, transition chamber thereof atmospheric monitoring display 17 are put by height and low to put chamber atmosphere monitoring aobvious
Show that any one equal energy real-time monitored of device 18 to high radioactivity horizontal chamber 1, isolates transition chamber thereof 2 and low-activity chamber
Such as atmospheric temperature of room 3, humidity, pressure and radioactive water equality ambient parameter.
Under accident conditions, detect that radioactive level is exceeded if putting height and putting chamber atmosphere detector 14, pass through data wire 20
Pre-warning signal is sent to master control room.Meanwhile high put chamber atmosphere detector 14 and transition chamber thereof air detector 15 monitors
Atm difference signal delivers to numerical control air exhauster 13 and is used as control signal, if the pressure in the high radioactivity horizontal chamber 1 monitored
More than the pressure in isolation transition chamber thereof 2, then the startup work of pressure difference signal control numerical control air exhauster 13, passes through the second penetration piece pipe
10 to isolation transition chamber thereof 2 pumping pressurization, it is ensured that high radioactivity horizontal chamber 1 is in negative pressure state, prevent radioactive substance to
Uncontaminated or low stain regional diffusion.Post incident, accident treatment personnel can connect portable air by the interface of adpting flange 9
Dolly is filtered, handles contaminated air in high radioactivity horizontal chamber 1, auxiliary alleviates accident harm.
Other unspecified parts are prior art.
Claims (5)
1. a kind of underground nuclear power station seals door system, it is characterised in that：Including be sequentially connected high radioactivity horizontal chamber (1),
Isolate transition chamber thereof (2) and low-activity chamber (3), the high radioactivity horizontal chamber (1) is with isolating transition chamber thereof (2)
Between be provided with the first gas-tight door (4)；The is provided between the isolation transition chamber thereof (2) and low-activity chamber (3)
Two gas-tight doors (5)；It is provided with above first gas-tight door (4) respectively with high radioactivity horizontal chamber (1) and isolating adapter cavity
First penetration piece pipe (6) of room (2) connection, be provided with above second gas-tight door (5) respectively with isolate transition chamber thereof (2) and
Second penetration piece pipe (10) of low-activity chamber (3) connection；The high radioactivity horizontal chamber (1) is arranged on underground core
In power station in the cavern of reactor or the higher side of radioactive level, the low-activity chamber (3) is arranged on far
From in the cavern of reactor or the relatively low side of radioactive level；It is located at high radioactivity horizontal cavity on the first penetration piece pipe (6)
Height is provided with one end of room (1) to put chamber isolation valve (7), be provided with adapter cavity on one end of isolation transition chamber thereof (2)
Chamber isolation valve (8) and adpting flange (9)；During normal operation, the first gas-tight door (4) and the second gas-tight door (5) keep normally off,
Height puts chamber isolation valve (7) and transition chamber thereof isolating valve (8) is closed, when needing by equipment or personnel, the first gas-tight door (4)
Opened one by one with the second gas-tight door (5), but ensure while only open one of gas-tight door, prevent potential atmosphere pollution pollution range
Expansion.
A kind of 2. underground nuclear power station sealing door system according to claim 1, it is characterised in that：The second penetration piece pipe
(10) on positioned at low-activity chamber (3) one end on be provided with it is low put chamber isolation valve (12), positioned at isolation adapter cavity
Non-return valve (11) and numerical control air exhauster (13) are provided with one end of room (2).
A kind of 3. underground nuclear power station sealing door system according to claims 1 or 2, it is characterised in that：The high radiation
Property horizontal chamber (1) in be provided with that height puts chamber atmosphere detector (14) and height puts chamber atmosphere monitor display (19), it is described
Transition chamber thereof air detector (15) and transition chamber thereof atmospheric monitoring display (17), institute are provided with isolation transition chamber thereof (2)
State to set in low-activity chamber (3) and low put chamber atmosphere detector (16) and low put chamber atmosphere monitor display
(18)。
A kind of 4. underground nuclear power station sealing door system according to claim 3, it is characterised in that：The height puts chamber atmosphere
Detector (14), transition chamber thereof air detector (15) and low put are respectively provided with atmospheric temperature, wet on chamber atmosphere detector (16)
Degree, pressure and radioactivity monitoring probe, and the equal simultaneous transmission of monitoring signals is paramount puts chamber atmosphere monitor display (19), transition
Chamber atmosphere monitor display (17) and it is low put chamber atmosphere monitor display (18), and master control is delivered to by data wire (20)
Room.
A kind of 5. underground nuclear power station sealing door system according to claim 3, it is characterised in that：The height puts chamber atmosphere
The pressure difference signal that detector (14) and transition chamber thereof air detector (15) monitor is sent to numerical control air exhauster (13) as control
Signal processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610489755.1A CN106024082B (en) | 2016-06-28 | 2016-06-28 | A kind of underground nuclear power station seals door system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610489755.1A CN106024082B (en) | 2016-06-28 | 2016-06-28 | A kind of underground nuclear power station seals door system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106024082A CN106024082A (en) | 2016-10-12 |
| CN106024082B true CN106024082B (en) | 2018-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610489755.1A Active CN106024082B (en) | 2016-06-28 | 2016-06-28 | A kind of underground nuclear power station seals door system |
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| CN (1) | CN106024082B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113827880A (en) * | 2021-09-23 | 2021-12-24 | 长江勘测规划设计研究有限责任公司 | Spiral downward escape method for underground nuclear power plant |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4956267B2 (en) * | 2007-05-10 | 2012-06-20 | 株式会社東芝 | Emergency core cooling system |
| JP2014202510A (en) * | 2013-04-02 | 2014-10-27 | 三菱電機株式会社 | Radiation measuring device |
| CN203966583U (en) * | 2014-06-13 | 2014-11-26 | 长江勘测规划设计研究有限责任公司 | Type underground nuclear power station is buried in mountain region entirely |
| CN104361911A (en) * | 2014-10-14 | 2015-02-18 | 中国核电工程有限公司 | Comprehensive auxiliary system for personnel air lock of containment |
| CN104505133B (en) * | 2014-12-24 | 2017-05-17 | 长江勘测规划设计研究有限责任公司 | Airborne radioactive anti-diffusion system for underground nuclear power station |
| CN104517658A (en) * | 2014-12-24 | 2015-04-15 | 长江勘测规划设计研究有限责任公司 | Airborne radioactivity diffusion prevention method for underground nuclear power plant |
| CN204288822U (en) * | 2014-12-24 | 2015-04-22 | 长江勘测规划设计研究有限责任公司 | Underground nuclear power station airborne radioactivity non-proliferation system |
| CN205900110U (en) * | 2016-06-28 | 2017-01-18 | 长江勘测规划设计研究有限责任公司 | Underground nuclear power plant sealing door system |
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| CN106024082A (en) | 2016-10-12 |
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