CN106402653A - Sluice gate sealing system for reactor building of nuclear power station - Google Patents
Sluice gate sealing system for reactor building of nuclear power station Download PDFInfo
- Publication number
- CN106402653A CN106402653A CN201610832008.3A CN201610832008A CN106402653A CN 106402653 A CN106402653 A CN 106402653A CN 201610832008 A CN201610832008 A CN 201610832008A CN 106402653 A CN106402653 A CN 106402653A
- Authority
- CN
- China
- Prior art keywords
- sealing system
- nuclear power
- pressure
- sealing ring
- sealing
- 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.)
- Granted
Links
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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/54—Sealings for gates
-
- 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
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D1/00—Details of nuclear power plant
- G21D1/02—Arrangements of auxiliary equipment
-
- 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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Plasma & Fusion (AREA)
- High Energy & Nuclear Physics (AREA)
- Sealing Material Composition (AREA)
- Barrages (AREA)
Abstract
The invention belongs to the field of sluice gate sealing and relates to a sluice gate sealing system for a reactor building of a nuclear power station. The sluice gate sealing system is provided with an air supply loop which is connected to a seal ring and used for filling the seal ring with air under a normal working condition, and is also provided with an automatic air replenishing loop which is connected to the seal ring. The automatic air replenishing loop comprises an automatic air replenishing device, and the automatic air replenishing loop is in a normally closed state under the normal working condition and is connected when the nuclear power station is under an accidental working condition so as to increase pressure in the seal ring. By utilizing the sluice gate sealing system for the reactor building of the nuclear power station, the sealing performance of a sluice gate, particularly the sealing performance of the sluice gate during a nuclear accident, can be better ensured.
Description
Technical field
The invention belongs to sluice gate field of sealing technology is and in particular to a kind of nuclear power plant reactor factory building sluice door sealing system.
Background technology
It is designed with several ponds, pond is interconnected in pressurized-water reactor nuclear power plant reactor building.Nuclear power station normally runs
Period, reactor pit is dry state it is therefore desirable to isolate reactor pit with other sump water gates, to prevent other water
The water in pond flows into.The principal element of impact sluice gate sealability is physical property and the blowing pressure of sealing ring.In nuclear power station
Under cut accident conditions, in factory building, temperature and pressure rises rapidly, and now whether the pressure in sealing ring is sufficiently large is that impact is close
The key factor of sealing property.
Content of the invention
It is an object of the invention to provide a kind of nuclear power plant reactor factory building sluice door sealing system, ensure sluice with more preferable
The sealing property of door, the especially sealing property in nuclear accident.
For realizing this purpose, the present invention provides a kind of nuclear power plant reactor factory building sluice door sealing system, and it has connection
It is used for the confession air circuit of sealing ring inflation in normal conditions to sealing ring, the automatic inflating device also having connection to sealing ring returns
Road, described automatic inflating device loop includes automatic air supply device, and described automatic inflating device loop is normally closed shape in normal conditions
State, and connection is to increase pressure in sealing ring when nuclear power station is in accident conditions.
Preferably, the present invention provides a kind of nuclear power plant reactor factory building sluice door sealing system, further described from
Dynamic making-up air device is made up of the compressed air reservoir being sequentially connected, easy fusing alloy plug, surge tank, and described surge tank connects described
Sealing ring.
Preferably, the present invention provides a kind of nuclear power plant reactor factory building sluice door sealing system, further described easy
Fusion gold plug melts when nuclear power plant environment factory building temperature is increased to its fusing point, so that the gas circuit connection of automatic air supply device,
Gases at high pressure in compressed air reservoir flow to surge tank, subsequently into sealing ring, increase pressure in sealing ring.
Preferably, the present invention provides a kind of nuclear power plant reactor factory building sluice door sealing system, further described confession
Compressed air gas source that air circuit includes being sequentially connected, pressure-reducing valve, surge tank, described surge tank connects described sealing ring.
Described compressed air gas source can be provided by Nuclear Power Station Factory Building.
Preferably, the present invention provides a kind of nuclear power plant reactor factory building sluice door sealing system, further described confession
Pressure gauge for monitoring pressure in sealing system is connected with air circuit.
Preferably, the present invention provides a kind of nuclear power plant reactor factory building sluice door sealing system, further described
Pressure gauge and for air circuit between be connected with stop valve for pressure gauge.Described stop valve for pressure gauge is used for changing and overhaul pressure gauge to be made
With.
Preferably, the present invention provides a kind of nuclear power plant reactor factory building sluice door sealing system, further described confession
Supply loop cutoff valve is connected with air circuit.When reaching authorized pressure value for air circuit to sealing ring inflation, described confession
Air circuit stop valve is closed, and inflation completes.
Preferably, the present invention provides a kind of nuclear power plant reactor factory building sluice door sealing system, further described close
The material of seal is ethylene propylene diene rubber.When the material of sealing ring is ethylene propylene diene rubber, there is after inflation good deformation
Ability, gap between sluice gate and doorframe for the rubber filling after deformation, constitute sealing surface, realize the sealing to water.
Brief description
Fig. 1 is the schematic diagram of the sluice door sealing system with automatic air supply device of the present invention.
Specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further illustrated.
A kind of sluice door sealing system with automatic air supply device, by factory building compressed air gas source 1；Pressure-reducing valve 2；Supply back
Road stop valve 3；Stop valve for pressure gauge 4；Pressure gauge 5；Surge tank 6；Sealing ring 7；Compressed air reservoir 8；9 groups of easy fusing alloy plug
Become.
Under nominal situation, sluice gate sealing ring pressure is provided by the compressed air gas source 1 of factory building, and compressed air is through decompression
After valve 2 adjustment pressure, flow into surge tank 6 and sealing ring 7, pressure gauge 5 is used for monitoring the pressure in sealing system, when inflation reaches
During authorized pressure value, close supply loop cutoff valve 3, inflation completes, and stop valve for pressure gauge 4 is used for changing and overhaul pressure gauge 5
Use.
The material of sealing ring is ethylene propylene diene rubber, has good deformability, the rubber filling after deformation after inflation
Gap between sluice gate and doorframe, constitutes sealing surface, realizes the sealing to water.
Automatic air supply device gas circuit is connected to surge tank 6 and sealing ring 7 by easy fusing alloy plug 9 by compressed air reservoir 8.
Easy fusing alloy plug 9 is normally off, and when environment temperature rises to alloy melting point, easy fusing alloy plug 9 melts, compressed air reservoir 8
In gas flow in surge tank 6 and sealing ring 7, increase pressure in sealing ring, the automatic inflating device completing under accident conditions moves
Make.Surge tank 6 is used for reducing the air pressure in compressed air reservoir 8, and protection sealing ring 7 is not damaged by.
Above-mentioned embodiment is the illustration to the present invention, and the present invention can also be with other ad hoc fashions or other
Particular form implement, without departing from idea of the invention or substantive characteristics.Therefore, the embodiment of description comes in terms of any
See be regarded as illustrative rather than determinate.The scope of the present invention should be illustrated by appended claims, and any and right will
The intention asked and the equivalent change of scope also should be within the scope of the present invention.
Claims (8)
1. a kind of nuclear power plant reactor factory building sluice door sealing system, has connection and is used for close in normal conditions to sealing ring
Seal inflation confession air circuit it is characterised in that：Described sluice door sealing system also has the automatic benefit connecting to sealing ring
Air circuit, described automatic inflating device loop includes automatic air supply device, and described automatic inflating device loop is normal in normal conditions
Closed state, and connection is to increase pressure in sealing ring when nuclear power station is in accident conditions.
2. sealing system according to claim 1 it is characterised in that：Described automatic air supply device is by the pressure being sequentially connected
Contracting air reservoir, easy fusing alloy plug, surge tank composition, described surge tank connects described sealing ring.
3. sealing system according to claim 2 it is characterised in that：Described easy fusing alloy plug is in nuclear power plant environment factory building
Temperature is increased to fusing during its fusing point, so that the gas circuit connection of automatic air supply device.
4. a sealing system according to claim 1 it is characterised in that：Described confession air circuit includes the pressure being sequentially connected
Contracting air source of the gas, pressure-reducing valve, surge tank, described surge tank connects described sealing ring.
5. a sealing system according to claim 1 it is characterised in that：It is connected with for monitoring on described confession air circuit
The pressure gauge of pressure in sealing system.
6. a sealing system according to claim 5 it is characterised in that：Described pressure gauge with for being connected between air circuit
There is stop valve for pressure gauge.
7. a sealing system according to claim 1 it is characterised in that：It is connected with described confession air circuit and supply air circuit
Stop valve.
8. a sealing system according to claim 1 it is characterised in that：The material of described sealing ring is ethylene-propylene-diene monomer
Glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610832008.3A CN106402653B (en) | 2016-09-19 | 2016-09-19 | Nuclear power station reactor factory building sluice gate sealing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610832008.3A CN106402653B (en) | 2016-09-19 | 2016-09-19 | Nuclear power station reactor factory building sluice gate sealing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106402653A true CN106402653A (en) | 2017-02-15 |
| CN106402653B CN106402653B (en) | 2019-12-24 |
Family
ID=57997225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610832008.3A Active CN106402653B (en) | 2016-09-19 | 2016-09-19 | Nuclear power station reactor factory building sluice gate sealing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106402653B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954005A (en) * | 2018-09-12 | 2018-12-07 | 阳江核电有限公司 | A kind of multi-channel fluid pipeline reversing service |
| 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 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101338556A (en) * | 2008-05-09 | 2009-01-07 | 水利部新疆维吾尔自治区水利水电勘测设计研究院 | High head radial gate pneumatic active water-stopping system |
| CN201627184U (en) * | 2010-02-24 | 2010-11-10 | 中国水电顾问集团华东勘测设计研究院 | Auto-pressure regulating water-stopping sealing structure for gate |
| CN202255786U (en) * | 2011-09-07 | 2012-05-30 | 中核华誉工程有限责任公司 | Reactor cavity sluice gate test device of nuclear power station reactor |
| CN103469770A (en) * | 2013-08-19 | 2013-12-25 | 宜兴市万向防火门有限公司 | Nuclear power spent fuel pool sluice gate |
| CN204345039U (en) * | 2014-12-08 | 2015-05-20 | 中国能源建设集团沈阳电力机械总厂有限公司 | The pneumatic execution architecture of a kind of nuclear island spentnuclear fuel pond gate |
| CN105442500A (en) * | 2015-11-06 | 2016-03-30 | 三峡大学 | Inflatable type hydropower station ecological tail gate and operation method |
-
2016
- 2016-09-19 CN CN201610832008.3A patent/CN106402653B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101338556A (en) * | 2008-05-09 | 2009-01-07 | 水利部新疆维吾尔自治区水利水电勘测设计研究院 | High head radial gate pneumatic active water-stopping system |
| CN201627184U (en) * | 2010-02-24 | 2010-11-10 | 中国水电顾问集团华东勘测设计研究院 | Auto-pressure regulating water-stopping sealing structure for gate |
| CN202255786U (en) * | 2011-09-07 | 2012-05-30 | 中核华誉工程有限责任公司 | Reactor cavity sluice gate test device of nuclear power station reactor |
| CN103469770A (en) * | 2013-08-19 | 2013-12-25 | 宜兴市万向防火门有限公司 | Nuclear power spent fuel pool sluice gate |
| CN204345039U (en) * | 2014-12-08 | 2015-05-20 | 中国能源建设集团沈阳电力机械总厂有限公司 | The pneumatic execution architecture of a kind of nuclear island spentnuclear fuel pond gate |
| CN105442500A (en) * | 2015-11-06 | 2016-03-30 | 三峡大学 | Inflatable type hydropower station ecological tail gate and operation method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954005A (en) * | 2018-09-12 | 2018-12-07 | 阳江核电有限公司 | A kind of multi-channel fluid pipeline reversing service |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106402653B (en) | 2019-12-24 |
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