CN106024082A - Sealing door system of underground nuclear power station - Google Patents
Sealing door system of underground nuclear power station Download PDFInfo
- Publication number
- CN106024082A CN106024082A CN201610489755.1A CN201610489755A CN106024082A CN 106024082 A CN106024082 A CN 106024082A CN 201610489755 A CN201610489755 A CN 201610489755A CN 106024082 A CN106024082 A CN 106024082A
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- chamber
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- isolation
- power station
- nuclear power
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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
-
- 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 sealing door system of an underground nuclear power station. The sealing door system comprises a high-radioactivity horizontal chamber, an isolation transitional chamber and a low-radioactivity horizontal chamber which are sequentially connected, wherein a first air-tight door is arranged between the high-radioactivity horizontal chamber and the isolation transitional chamber; a second air-tight door is arranged between the isolation transitional chamber and the low-radioactivity horizontal chamber; a first penetrating member tube which is communicated with the high-radioactivity horizontal chamber and the isolation transitional chamber is arranged above the first air-tight door; and a second penetrating member tube which is communicated with the isolation transitional chamber and the low-radioactivity horizontal chamber is arranged above the second air-tight door. The sealing door system can effectively isolate-radioactivity pollution of spaces in the horizontal chambers with different radioactivities while ensuring normal communication, and can monitor parameters such as temperature, pressure, air humidity and radioactive levels, so as to provide an environmental reference basis for the monitoring and rescue during accidents.
Description
Technical field
The present invention relates to nuclear power technology, in particular to a kind of underground nuclear power station hermatic door system.
Background technology
After Fukushima nuclear accident, the requirement to nuclear plant safety promotes further.By nuclear power station
It is placed in underground and can increase the inherent safety of nuclear power station, increase the radioactivity shield of nuclear power station
Barrier.After nuclear power station is placed in underground, relate to the isolation between nuclear power station underground chamber and company
Logical.The particularly cavity space of high radioactivity level and low-activity cavity space under accident conditions
Between isolation and connection etc..
The design of existing isolating door is simple (as the radioprotective of Chinese patent one radiology department is isolated
Door, the patent No.: CN201520986675.8；Chinese patent electric isolating valve, the patent No.:
CN201210000862.5), the radiation sexual intercourse between cavity space is easily caused during use
Fork pollutes, it is impossible to meet the requirement of underground nuclear power station.
Summary of the invention
Present invention aims to existing isolating door technological deficiency, propose a kind of underground core
Power station seal isolation door system.This isolating door system can be while ensureing normal connection, effectively
The radioactive pollution of the different radioactive level cavity space of isolation.Meanwhile, separate cavities can be monitored
The temperature in space, room, pressure, air humidity, radioactive water equality parameter, during accident
Monitoring and rescue provide atmospheric reference foundation.
It is an object of the invention to be reached by following measure: underground nuclear power station seal isolation door
System, it is characterized in that, including the horizontal chamber of the high radioactivity being sequentially connected with, isolates
Cross chamber and low-activity chamber, the horizontal chamber of described high radioactivity and isolation transition chamber thereof
Between be provided with the first gas-tight door；Between described isolation transition chamber thereof and low-activity chamber
It is provided with the second gas-tight door；Described first gas-tight door be provided above respectively with high radioactivity level
The first penetration piece pipe that chamber connects with isolation transition chamber thereof, described second gas-tight door is provided above
Have respectively with isolation transition chamber thereof and the second penetration piece pipe of low-activity chamber.
In technique scheme, the horizontal chamber of described high radioactivity is arranged in underground nuclear power station
In the cavern of reactor or the higher side of radioactive level, described low-activity chamber
It is arranged far from the cavern of reactor or the relatively low side of radioactive level.
In technique scheme, described first penetration piece pipe is positioned at the horizontal chamber of high radioactivity
One end on be provided with height put chamber isolation valve, be positioned at isolation transition chamber thereof one end on be provided with
Transition chamber thereof isolating valve and adpting flange.Post incident, accident treatment personnel can be by connecting
Flange-interface connects portable air and filters dolly, processes high radioactivity horizontal cavity indoor contaminated
Air, auxiliary alleviates accident harm.
In technique scheme, described second penetration piece pipe is positioned at low-activity chamber
One end on be provided with low put chamber isolation valve, be positioned at isolation transition chamber thereof one end on be provided with
Non-return valve and numerical control air exhauster.When underground nuclear power station is properly functioning, non-return valve is inversely closed,
Realize air to open when low-activity chamber flows to isolation transition chamber thereof, reverse flow
Time close.Under accident conditions, numerical control air exhauster startup work, by the second penetration piece pipe to every
Bleed pressurization from transition chamber thereof, it is ensured that the horizontal chamber of high radioactivity is in negative pressure state, prevents from putting
Penetrating property material is to uncontaminated or low stain regional diffusion.
In technique scheme, described high radioactivity horizontal cavity indoor are provided with height, and to put chamber big
Gas detector and height put chamber atmosphere monitor display, are provided with in described isolation transition chamber thereof
Cross chamber atmosphere detector and transition chamber thereof atmospheric monitoring display, described low-activity chamber
Indoor are arranged low put chamber atmosphere detector and low puts chamber atmosphere monitor display.At underground core
Power station nominal situation run duration, can collect the air condition monitoring each chamber.In any chamber
All can real time inspection each chamber atmosphere information on the air monitering display of room.
In technique scheme, described height puts chamber atmosphere detector, the inspection of transition chamber thereof air
Survey instrument and low putting is respectively provided with atmospheric temperature, humidity, pressure and radioactivity on chamber atmosphere detector
Monitoring is popped one's head in, and monitoring signal is all simultaneously transmit to height and puts chamber atmosphere monitor display, transition
Chamber atmosphere monitor display and low put chamber atmosphere monitor display, and delivered to by data wire
Master control room.Air detection instrument monitor respectively the air themperature in residing chamber, humidity, pressure and
Radioactive level.
In technique scheme, described height puts chamber atmosphere detector and the inspection of transition chamber thereof air
The pressure difference signal that survey instrument monitors sends to numerical control air exhauster as control signal.It is big that height puts chamber
The atm difference signal that gas detector and transition chamber thereof air detector monitor is delivered to numerical control and is taken out
Mechanism of qi is as control signal, if the pressure of the high radioactivity horizontal cavity indoor monitored is more than isolation
Pressure in transition chamber thereof, then pressure difference signal controls numerical control air exhauster startup work.
Beneficial effects of the present invention is as follows: the present invention is controlling the chamber of different radioactive level
While connection, can be the most controlled descend each adjacent chamber of nuclear power isolator.At underground nuclear power station
Properly functioning period, during the atmospheric condition monitoring each chamber, accident conditions can be collected, can
By monitoring automatism isolation, the expansion of radioactive pollution scope during preventing from using, and can be auxiliary
Help alleviation accident harm.
Accompanying drawing explanation
Fig. 1 is that underground nuclear power station of the present invention seals off door system schematic diagram
In figure: 1. the horizontal chamber of high radioactivity, 2. isolation transition chamber thereof, 3. low-activity water
Flat chamber, 4. the first gas-tight door, 5. the second gas-tight door, 6. the first penetration piece pipe, 7. height is put
Chamber isolation valve, 8. transition chamber thereof isolating valve, 9. adpting flange, 10. the second penetration piece pipe,
11. non-return valves, 12. low chamber isolation valves of putting, 13. numerical control air exhausters, it is big that 14. height put chamber
Gas detector, 15. transition chamber thereof air detectors, 16. low chamber atmosphere detectors of putting, 17.
Transition chamber thereof atmospheric monitoring display, 18. low chamber atmosphere monitor displays of putting, 19. height are put
Chamber atmosphere monitor display, 20. data wires.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment the present invention is described in further detail, but this enforcement
Example should not be construed as limitation of the present invention.
The present invention a kind of underground nuclear power station hermatic door system as it is shown in figure 1, include is sequentially connected with
The horizontal chamber of high radioactivity 1, isolation transition chamber thereof 2 and low-activity chamber 3.Gao Fang
Separated by the first gas-tight door 4 between the horizontal chamber of penetrating property 1 and isolation transition chamber thereof 2, isolated
Cross and separated by the second gas-tight door 5 between chamber 2 and low-activity chamber 3.First is airtight
Door 4 is provided above what chamber 1 horizontal with high radioactivity and isolation transition chamber thereof 2 respectively connected
First penetration piece pipe 6, the second gas-tight door 5 be provided above respectively with isolation transition chamber thereof 2 and
Second penetration piece pipe 10 of low-activity chamber 3 connection.First penetration piece pipe 6 is upper
On one end of the horizontal chamber of high radioactivity 1, it is provided with height put chamber isolation valve 7, be positioned at isolation
Transition chamber thereof isolating valve 8 and adpting flange 9 it is disposed with on one end of transition chamber thereof 2.The
It is positioned on one end of low-activity chamber 3 on two penetration piece pipes 10 to be provided with and low puts chamber
Isolating valve 12, be positioned at isolation transition chamber thereof 2 one end on be disposed with non-return valve 11 sum
Control air exhauster 13.
It is provided with height in the horizontal chamber of high radioactivity 1 and puts chamber atmosphere detector 14 and height puts chamber
Room atmospheric monitoring display 19, is provided with the detection of transition chamber thereof air in isolation transition chamber thereof 2
Instrument 15 and transition chamber thereof atmospheric monitoring display 17, arrange low in low-activity chamber 3
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 on chamber atmosphere detector 16 all
Atmospheric temperature, humidity, pressure and radioactivity monitoring probe are set, and monitoring signal passes the most simultaneously
Transport to height and put chamber atmosphere monitor display 19, transition chamber thereof atmospheric monitoring display 17 and low
Put chamber atmosphere monitor display 18, and deliver to master control room by data wire 20.Height puts chamber
The pressure difference signal that air detector 14 and transition chamber thereof air detector 15 monitor sends to number
Control air exhauster 13 is as control signal.
Horizontal for high radioactivity chamber 1, when applying this technical scheme, can be arranged by underground nuclear power station
In the cavern near reactor or the higher side of radioactive level, by low-activity chamber
3 caverns being arranged far from reactor or the relatively low side of radioactive level.
Time properly functioning, the first gas-tight door 4 and the second gas-tight door 5 keep normally off, Gao Fang
Chamber isolation valve 7 and transition chamber thereof isolating valve 8 are closed, and make high radioactivity horizontal zone and the external world
Separating, 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, it is achieved air from low-activity chamber 3 to isolation adapter cavity
Room 2 is opened when flowing, and closes during reverse flow.When needs are by equipment or personnel, first
Gas-tight door 4 and the second gas-tight door 5 are opened one by one, but guarantee only to open one gas-tight door simultaneously,
Prevent the expansion of potential atmosphere pollution pollution range.Synchronization, puts chamber atmosphere by height
Monitor display 19, transition chamber thereof atmospheric monitoring display 17 and low chamber atmosphere of putting are monitored aobvious
Show that any one all energy real-time monitored of device 18, to the horizontal chamber of high radioactivity 1, isolates transition
Chamber 2 and the such as atmospheric temperature of low-activity chamber 3, humidity, pressure and radioactivity
The ambient parameters such as level.
Under accident conditions, if set high put chamber atmosphere detector 14 detect radioactive level surpass
Mark, sends early warning signal by data wire 20 to master control room.Meanwhile, height puts chamber atmosphere inspection
The atm difference signal that survey instrument 14 and transition chamber thereof air detector 15 monitor is delivered to numerical control and is taken out
Mechanism of qi 13 is as control signal, if the pressure in the horizontal chamber of the high radioactivity monitored 1 is big
Pressure in isolation transition chamber thereof 2, then pressure difference signal controls numerical control air exhauster 13 and starts work
Make, bled pressurization to isolation transition chamber thereof 2 by the second penetration piece pipe 10, it is ensured that high radiate
The horizontal chamber 1 of property is in negative pressure state, prevents radioactive substance to uncontaminated or low stain region
Diffusion.Post incident, accident treatment personnel can connect portable empty by adpting flange 9 interface
Gas filters dolly, processes contaminated air in the horizontal chamber of high radioactivity 1, and auxiliary alleviates thing
Therefore harm.
Other unspecified part is prior art.
Claims (7)
1. a underground nuclear power station hermatic door system, it is characterised in that: include being sequentially connected with
The horizontal chamber of high radioactivity (1), isolation transition chamber thereof (2) and low-activity chamber (3),
It is provided with the first gas between the horizontal chamber of described high radioactivity (1) and isolation transition chamber thereof (2)
Mi Men (4)；Set between described isolation transition chamber thereof (2) and low-activity chamber (3)
It is equipped with the second gas-tight door (5)；Described first gas-tight door (4) is provided above putting with height respectively
The first penetration piece pipe (6) that the horizontal chamber of penetrating property (1) connects with isolation transition chamber thereof (2),
Described second gas-tight door (5) be provided above respectively with isolation transition chamber thereof (2) and low radiation
The second penetration piece pipe (10) that the horizontal chamber of property (3) connects.
A kind of underground nuclear power station hermatic door system the most according to claim 1, its feature
It is: the horizontal chamber of described high radioactivity (1) is arranged in underground nuclear power station near reactor
Or in the cavern of the higher side of radioactive level, described low-activity chamber (3) is arranged
In the cavern away from the relatively low side of reactor or radioactive level.
A kind of underground nuclear power station hermatic door system the most according to claim 1, its feature
It is: on described first penetration piece pipe (6), be positioned at one end of the horizontal chamber of high radioactivity (1)
On be provided with height put chamber isolation valve (7), be positioned at isolation transition chamber thereof (2) one end on set
It is equipped with transition chamber thereof isolating valve (8) and adpting flange (9).
A kind of underground nuclear power station hermatic door system the most according to claim 1, its feature
It is: on described second penetration piece pipe (10), be positioned at the one of low-activity chamber (3)
Be provided with on end low put chamber isolation valve (12), be positioned at isolation transition chamber thereof (2) one end on
It is provided with non-return valve (11) and numerical control air exhauster (13).
5. according to a kind of underground nuclear power station hermatic door system described in claim 3 or 4,
It is characterized in that: be provided with height in the horizontal chamber of described high radioactivity (1) and put chamber atmosphere inspection
Survey instrument (14) and height puts chamber atmosphere monitor display (19), described isolation transition chamber thereof (2)
Inside it is provided with transition chamber thereof air detector (15) and transition chamber thereof atmospheric monitoring display (17),
The low chamber atmosphere detector (16) and low put is set in described low-activity chamber (3)
Put chamber atmosphere monitor display (18).
A kind of underground nuclear power station hermatic door system the most according to claim 5, its feature
It is: described height puts chamber atmosphere detector (14), transition chamber thereof air detector (15)
It is respectively provided with atmospheric temperature, humidity, pressure and radiation on chamber atmosphere detector (16) with low putting
Property monitoring probe, and monitoring signal is all simultaneously transmit to height and puts chamber atmosphere monitor display
(19), transition chamber thereof atmospheric monitoring display (17) and low put chamber atmosphere monitor display
(18), and by data wire (20) master control room is delivered to.
7. underground nuclear power station seal isolation door system as claimed in claim 5, its feature exists
In: described height puts chamber atmosphere detector (14) and transition chamber thereof air detector (15) prison
The pressure difference signal measured sends to numerical control air exhauster (13) as control signal.
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 true CN106024082A (en) | 2016-10-12 |
| CN106024082B CN106024082B (en) | 2018-03-13 |
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Family Applications (1)
| 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106024082B (en) |
Cited By (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 |
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| US20080317193A1 (en) * | 2007-05-10 | 2008-12-25 | Kabushiki Kaisha Toshiba | Emergency core cooling system |
| US20140291530A1 (en) * | 2013-04-02 | 2014-10-02 | Mitsubishi Electric Corporation | Radiation measurement system |
| 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 |
| CN104505133A (en) * | 2014-12-24 | 2015-04-08 | 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 |
-
2016
- 2016-06-28 CN CN201610489755.1A patent/CN106024082B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080317193A1 (en) * | 2007-05-10 | 2008-12-25 | Kabushiki Kaisha Toshiba | Emergency core cooling system |
| US20140291530A1 (en) * | 2013-04-02 | 2014-10-02 | Mitsubishi Electric Corporation | Radiation measurement system |
| 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 |
| CN104505133A (en) * | 2014-12-24 | 2015-04-08 | 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 |
Cited By (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 |
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| Publication number | Publication date |
|---|---|
| CN106024082B (en) | 2018-03-13 |
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