CN105805553A - Emergency meeting compressed air system of nuclear power station - Google Patents
Emergency meeting compressed air system of nuclear power station Download PDFInfo
- Publication number
- CN105805553A CN105805553A CN201610297285.9A CN201610297285A CN105805553A CN 105805553 A CN105805553 A CN 105805553A CN 201610297285 A CN201610297285 A CN 201610297285A CN 105805553 A CN105805553 A CN 105805553A
- Authority
- CN
- China
- Prior art keywords
- air
- ejector
- nuclear power
- gas cylinder
- compressed air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003570 air Substances 0.000 claims abstract description 96
- 239000012080 ambient air Substances 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 48
- 238000000034 method Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention provides an emergency meeting compressed air system of a nuclear power station. The emergency meeting compressed air system comprises an air storage tank, an ejector and an air storage tank outlet reducing valve; the ejector is communicated with the air storage tank, and ambient air is sucked in and mixed after allocation to be fed into the air storage tank; and the air storage tank outlet reducing valve is arranged on the downstream of the air storage tank, and air output by the air storage tank is subject to pressure reduction after allocation to be fed to air users. According to the emergency meeting compressed air system of the nuclear power station, an air compressor and an emergency meeting power supply are not needed, motion components are avoided, and the system is simple; and high-pressure air and the ambient air are mixed to be supplied to the air users, the supply amount of air is increased, the air supply time of the air is prolonged, and the running reliability and the running safety of a nuclear power plant are improved.
Description
Technical field
The present invention relates to the emergent compressed air system of a kind of nuclear power station.
Background technology
Compressed air system is to ensure that the important aid system that nuclear power plant runs, and particularly provides required compression air for pneumatic operated valve and instrument etc..Time properly functioning, available air compressor is gas equipment supply, but when having an accident, particularly during dead electricity accident, emergent compressed air system is gas equipment supply.Emergent compressed air system is generally made up of emergency air compresser, emergency power supply and other required auxiliary devices.Once generation station blackout, emergency air compresser can not work, generally by the trapped air in air accumulator be gas equipment supply.This design not only relies on power supply, and needs the plant equipment run, system relative complex.If a kind of emergent compressed air system adopting passive equipment can be designed, it is possible not only to make system simplify, it is also possible to improve operational reliability and the safety of nuclear power generating sets.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, it is proposed to the emergent compressed air system of a kind of nuclear power station.
The emergent compressed air system of nuclear power station includes:
Air accumulator；
Ejector；Described ejector connects with described air accumulator, and be configured draw ambient air into and mix after send into described air accumulator；
Reservoir outlet air relief valve；Described reservoir outlet air relief valve is arranged on the downstream of described air accumulator, is configured after the gas to air accumulator output reduces pressure and sends into gas consumer.
Preferably, gas cylinder is also included；Described gas cylinder connects with described ejector, is configured for providing into described ejector driving gas.
Preferably, described gas cylinder is connected with described ejector by described gas cylinder outlet line；Described gas cylinder outlet line is provided with gas cylinder outlet line isolating valve and gas cylinder outlet line air relief valve.
Preferably, pressure control loop is also included；Described pressure control loop is arranged on described air accumulator, is configured for controlling described gas cylinder outlet line isolating valve.
Preferably, ejector air-breathing filter screen is also included；Described ejector air-breathing filter screen is connected with described ejector by ejector suction line.
Compared with prior art, the method have the advantages that
1, the emergent compressed air system of nuclear power station provided by the invention, without air compressor machine and emergency power supply, movement-less part, system is simple, supply gas user after adopting gases at high pressure to mix with environmental gas, add supply and the service life of gas, improve operational reliability and the safety of nuclear power plant.
2, the emergent compressed air system of nuclear power station provided by the invention, it is not necessary to air compressor machine and emergency power supply, movement-less part, system is simple.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the emergent compressed air system of the nuclear power station meeting the preferred embodiment of the present invention.
Wherein, 1 gas cylinder；2 gas cylinder outlet lines；3 gas cylinder outlet isolating valves；4 gas cylinder outlet air relief valve；5 ejectors；6 ejector suction line；7 ejector inspiratory check valve；8 ejector air-breathing filter screens；9 ejector outlet lines；10 ejector outlet non-return valves；11 air accumulators；12 safety dumping pipelines；13 relief valve；14 manometers；15 pressure control loops；16 reservoir outlet pipelines；17 reservoir outlet air relief valve；18 gas consumer；19 normally compressed air manifold lines；20 normally compressed air supply isolating valves；21 normally compressed air supply check-valves
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
As it is shown in figure 1, the emergent compressed air system of nuclear power station includes:
Air accumulator 11；
Ejector 5；Described ejector 5 connects with described air accumulator 11, and be configured draw ambient air into and mix after send into described air accumulator 11；
Reservoir outlet air relief valve 17；Described reservoir outlet air relief valve 17 is arranged on the downstream of described air accumulator 11, is configured after the gas to air accumulator output reduces pressure and sends into gas consumer 18.
Preferably, gas cylinder 1 is also included；Described gas cylinder 1 connects with described ejector 5, is configured for providing into described ejector 5 driving gas.
Preferably, described gas cylinder 1 is connected with described ejector 5 by described gas cylinder outlet line 2；Described gas cylinder outlet line 2 is provided with gas cylinder outlet line isolating valve 3 and gas cylinder outlet line air relief valve 4.
Preferably, pressure control loop 15 is also included；Described pressure control loop 15 is arranged on described air accumulator 11, is configured for controlling described gas cylinder outlet line isolating valve 3.
Preferably, ejector air-breathing filter screen 8 is also included；Described ejector air-breathing filter screen 8 is connected with described ejector 5 by ejector suction line 6.
Compared with prior art, the present embodiment has the advantages that
1, the emergent compressed air system of the nuclear power station that the present embodiment provides, without air compressor machine and emergency power supply, movement-less part, system is simple, supply gas user after adopting gases at high pressure to mix with environmental gas, add supply and the service life of gas, improve operational reliability and the safety of nuclear power plant.
2, the emergent compressed air system of the nuclear power station that the present embodiment provides, it is not necessary to air compressor machine and emergency power supply, movement-less part, system is simple.
The operation principle of the emergent compressed air system of the nuclear power station of the present embodiment is as follows: when nuclear power plant is properly functioning, and emergent compressed air system is in resting state, normally compressed air system supply.Now, gas cylinder outlet isolating valve 3 cuts out, pressure control loop 15 is in blocking, normally compressed air supply isolating valve 20 is opened, when manometer 14 monitors the pressure of air accumulator 11 lower than setting valve, the compressor starting normally compressed air system supplies to air accumulator 11, when the pressure of air accumulator 11 reaches high pressure setting valve, close the compressor of normally compressed air system, stop supplying to air accumulator 11.
When there is dead electricity accident, gas cylinder outlet isolating valve 3 is opened, normally compressed air supply isolating valve 20 cuts out, pressure control loop 15 is in Interlock Status, gas in gas cylinder 1 exports air relief valve 4 through gas cylinder and enters ejector 5, environmental gas sucks and formed mixing gas and enters air accumulator 11, supply to gas consumer 18 then through air relief valve 17.When manometer 14 monitors the pressure of air accumulator 11 higher than setting valve, close gas cylinder outlet isolating valve 3, when manometer 14 monitors the pressure of air accumulator 11 lower than setting valve, open gas cylinder outlet isolating valve 3.
In this specification, each embodiment adopts the mode gone forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually referring to.For system disclosed in embodiment, owing to corresponding to the method disclosed in Example, so what describe is fairly simple, relevant part illustrates referring to method part.
Those skilled in the art specifically can should be used for using different methods to realize described function to each, but this realization is it is not considered that beyond the scope of this invention.
Obviously, invention can be carried out various change and modification without deviating from the spirit and scope of the present invention by those skilled in the art.So, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to include these change and modification.
Claims (5)
1. the emergent compressed air system of a nuclear power station, it is characterised in that including:
Air accumulator；
Ejector；Described ejector connects with described air accumulator, and be configured draw ambient air into and mix after send into described air accumulator；
Reservoir outlet air relief valve；Described reservoir outlet air relief valve is arranged on the downstream of described air accumulator, is configured after the gas to air accumulator output reduces pressure and sends into gas consumer.
2. the emergent compressed air system of nuclear power station as claimed in claim 1, it is characterised in that also include gas cylinder；Described gas cylinder connects with described ejector, is configured for providing into described ejector driving gas.
3. the emergent compressed air system of nuclear power station as claimed in claim 1, it is characterised in that described gas cylinder is connected with described ejector by described gas cylinder outlet line；Described gas cylinder outlet line is provided with gas cylinder outlet line isolating valve and gas cylinder outlet line air relief valve.
4. the emergent compressed air system of nuclear power station as claimed in claim 3, it is characterised in that also include pressure control loop；Described pressure control loop is arranged on described air accumulator, is configured for controlling described gas cylinder outlet line isolating valve.
5. the emergent compressed air system of nuclear power station as claimed in claim 1, it is characterised in that also include ejector air-breathing filter screen；Described ejector air-breathing filter screen is connected with described ejector by ejector suction line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610297285.9A CN105805553A (en) | 2016-05-06 | 2016-05-06 | Emergency meeting compressed air system of nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610297285.9A CN105805553A (en) | 2016-05-06 | 2016-05-06 | Emergency meeting compressed air system of nuclear power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105805553A true CN105805553A (en) | 2016-07-27 |
Family
ID=56455544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610297285.9A Pending CN105805553A (en) | 2016-05-06 | 2016-05-06 | Emergency meeting compressed air system of nuclear power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105805553A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644540A (en) * | 2016-10-19 | 2017-05-10 | 上海核工程研究设计院 | Test system for testing performance of nuclear power station master control room air ejector |
| CN106629068A (en) * | 2016-11-21 | 2017-05-10 | 中国核电工程有限公司 | Aerosol distribution device |
| CN108870078A (en) * | 2018-08-22 | 2018-11-23 | 江苏核电有限公司 | A kind of generator hydrogen dryer pneumatic operated valve control compressed air source unit and its control method |
| CN112576805A (en) * | 2020-11-05 | 2021-03-30 | 中国核电工程有限公司 | Air supply system and method for pneumatic valve actuating mechanism |
| CN112797316A (en) * | 2019-11-14 | 2021-05-14 | 中核核电运行管理有限公司 | Emergency air source box for water gate of nuclear power station refueling pool |
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| CN104700907A (en) * | 2015-03-25 | 2015-06-10 | 中科华核电技术研究院有限公司 | Passive refrigeration air conditioner system of master-control room of nuclear power plant |
| CN204387680U (en) * | 2015-01-06 | 2015-06-10 | 北京石油化工工程有限公司 | A kind of storage of appendage source of the gas and Contingency supply device |
| CN204530859U (en) * | 2014-12-05 | 2015-08-05 | 中广核工程有限公司 | Nuclear power plant's emergency feedwater supply system flow control device |
| CN104835543A (en) * | 2015-01-14 | 2015-08-12 | 上海核工程研究设计院 | Nuclear power plant reactor coolant system ejector test system |
| CN105427903A (en) * | 2015-12-11 | 2016-03-23 | 哈尔滨工程大学 | Recycling safety injection system adopting gas-liquid booster pump and applied to nuclear power plant |
| CN205877715U (en) * | 2016-05-06 | 2017-01-11 | 上海核工程研究设计院 | Emergent compress air system of nuclear power station |
-
2016
- 2016-05-06 CN CN201610297285.9A patent/CN105805553A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001012266A1 (en) * | 1999-04-30 | 2001-02-22 | Vortex Gmbh & Co. Systemtechnik Kg | Life-saving system for closed rooms, in particular tunnels |
| CN1279354A (en) * | 1999-06-23 | 2001-01-10 | 武汉水利电力大学 | Cut-off method and unit with compressed air for pump station |
| CN101245714A (en) * | 2008-03-18 | 2008-08-20 | 孙敏超 | Ejection air-supplying turbosupercharger |
| CN202300948U (en) * | 2011-10-28 | 2012-07-04 | 广州铁路职业技术学院 | Air supply system of air compressor |
| CN102489127A (en) * | 2011-11-25 | 2012-06-13 | 中国舰船研究设计中心 | On-site supply system and method for instrument air of ships |
| CN202834729U (en) * | 2012-09-21 | 2013-03-27 | 常州市汇丰船舶附件制造有限公司 | Intelligent control air bottle air supply module |
| CN204530859U (en) * | 2014-12-05 | 2015-08-05 | 中广核工程有限公司 | Nuclear power plant's emergency feedwater supply system flow control device |
| CN204387680U (en) * | 2015-01-06 | 2015-06-10 | 北京石油化工工程有限公司 | A kind of storage of appendage source of the gas and Contingency supply device |
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| CN104835543A (en) * | 2015-01-14 | 2015-08-12 | 上海核工程研究设计院 | Nuclear power plant reactor coolant system ejector test system |
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| CN105427903A (en) * | 2015-12-11 | 2016-03-23 | 哈尔滨工程大学 | Recycling safety injection system adopting gas-liquid booster pump and applied to nuclear power plant |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644540A (en) * | 2016-10-19 | 2017-05-10 | 上海核工程研究设计院 | Test system for testing performance of nuclear power station master control room air ejector |
| CN106629068A (en) * | 2016-11-21 | 2017-05-10 | 中国核电工程有限公司 | Aerosol distribution device |
| CN108870078A (en) * | 2018-08-22 | 2018-11-23 | 江苏核电有限公司 | A kind of generator hydrogen dryer pneumatic operated valve control compressed air source unit and its control method |
| CN112797316A (en) * | 2019-11-14 | 2021-05-14 | 中核核电运行管理有限公司 | Emergency air source box for water gate of nuclear power station refueling pool |
| CN112576805A (en) * | 2020-11-05 | 2021-03-30 | 中国核电工程有限公司 | Air supply system and method for pneumatic valve actuating mechanism |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE |
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| CB02 | Change of applicant information |