CN205582507U - Active containment cooling system of non - of floating nuclear power plant - Google Patents
Active containment cooling system of non - of floating nuclear power plant Download PDFInfo
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- CN205582507U CN205582507U CN201620006010.0U CN201620006010U CN205582507U CN 205582507 U CN205582507 U CN 205582507U CN 201620006010 U CN201620006010 U CN 201620006010U CN 205582507 U CN205582507 U CN 205582507U
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- sea water
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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
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model provides an active containment cooling system of non - of floating nuclear power plant includes: the containment, the involucrum, the involucrum cover is established the outside of containment, with be equipped with the runner between the containment, the sea water pipeline of intaking, the sea water intake the pipeline with the lower part intercommunication of runner, sea water outlet pipe line, sea water outlet pipe line with the upper portion intercommunication of runner, sea water and atmosphere sharing pipeline, sea water and atmosphere bridging line with the top intercommunication of runner, the dtmospheric pipe, the dtmospheric pipe with the top intercommunication of runner, hydrophobic pipeline, hydrophobic pipeline with the bottom intercommunication of runner. The utility model provides a non - kinetic energy containment cooling system of floating nuclear power plant utilizes the gravity of sea water and buoyancy to form natural circulation, gives the sea water with the heat transfer in the containment, guarantees not superpressure of containment, maintains the integrality of containment, has simple and reliable advantage.
Description
Technical field
Nuclear power station safety full guard system of the present invention, particularly relates to the Passive containment cooling system of a kind of floating nuclear power plant.
Background technology
When conventional pressurized water piles up loss of-coolant accident (LOCA) or containment internal steam pipe road break accident, utilize containment spray system to discharge heat in containment, reduce containment pressure and temperature, to reach to maintain the integrity of containment.When there is above-mentioned accident, third generation passive PWR nuclear power station utilizes steel containment vessel at the condensation of containment inner surface heated interior surfaces, then to transfer heat to steel sheel by heat conduction as a heating surface, steam.The box hat outer surface being heated by convection current, radiate and the heat transfer mechanisms such as evaporation, water and air cool down.Water is provided by containment top water tank, heat is taken out of by the air of Natural Circulation with the form of sensible heat and steam, and the air from environment is entered by a normally opened runner, rises along containment outer wall, environment is returned, it is achieved take away the purpose of heat in containment eventually through high-order air vent.
In conventional pressurized water heap, the realization of ultimate heat sink function need to rely on rotating machinery, and in the containment cooling system of third generation passive PWR nuclear power station, the capacity of containment top water tank is limited.For floating nuclear power plant, sea water is inexhaustible, use not to the utmost.Floating nuclear power plant can be using sea water as natural ultimate heat sink; if one can be designed there is long-term refrigerating function; and there is the containment cooling system of passive characteristic, make heat enter sea water, by more safe and reliable for the safety system making floating nuclear power plant.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, propose the Passive containment cooling system of a kind of floating nuclear power plant.
The Passive containment cooling system of floating nuclear power plant includes:
Containment；
Involucrum；Described involucrum is set between the outside of described containment, and described containment and is provided with runner；
Sea water back with water inlet line；Described sea water back with water inlet line connects with the bottom of described runner；
Sea water water outlet pipeline；Described sea water water outlet pipeline connects with the top of described runner；
Sea water and air shared pipeline；Described sea water connects with the top of air bridging line with described runner；
Dtmospheric pipe；Described dtmospheric pipe connects with the top of described runner；
Hydrophobic pipeline；Described hydrophobic pipeline connects with the bottom of described runner.
Preferably, sea water back with water inlet line isolating valve is also included；Described sea water back with water inlet line isolating valve is arranged in described sea water back with water inlet line, for controlling connecting or isolation of described sea water back with water inlet line and the sea water outside described runner.
Preferably, sea water back with water inlet line filter screen is also included；Described sea water back with water inlet line filter screen is arranged in described sea water back with water inlet line.
Preferably, sea water water outlet pipeline isolating valve is also included；Described sea water water outlet pipeline isolating valve is arranged on described sea water water outlet pipeline, for controlling connecting or isolation of described sea water water outlet pipeline and the sea water outside described runner.
Preferably, sea water water outlet pipeline filter screen is also included；Described sea water water outlet pipeline filter screen is arranged on described sea water water outlet pipeline.
Preferably, described runner is connected with air shared pipeline by described dtmospheric pipe with described sea water.
Preferably, hydrophobic pipeline isolating valve is also included；Described hydrophobic pipeline isolating valve is arranged on described hydrophobic pipeline, for controlling connecting or isolation of described hydrophobic pipeline and the sea water outside described runner.
Preferably, drainage pump is also included；Described drainage pump is arranged on described hydrophobic pipeline.
Preferably, dtmospheric pipe isolating valve is also included；Described dtmospheric pipe isolating valve is arranged on described dtmospheric pipe, for controlling connecting or isolation of described dtmospheric pipe and the air outside described runner.
Preferably, the number of described sea water back with water inlet line is two.
Preferably, the number of described sea water water outlet pipeline is two.
The Passive containment cooling system of the floating nuclear power plant that the present invention provides is arranged in floating nuclear power plant dividing plate.When power station is properly functioning, passive containment system is in resting state, is isolated by the sea water outside runner and runner by sea water back with water inlet line isolating valve and sea water water outlet pipeline isolating valve.Dtmospheric pipe isolating valve is opened, and the atmosphere outside runner and runner, hydrophobic pipeline isolating valve 14 cuts out.
When having an accident and need passive containment system as ultimate heat sink, close dtmospheric pipe isolating valve, opening sea water back with water inlet line isolating valve and sea water water outlet pipeline isolating valve, sea water enters runner through sea water back with water inlet line filter screen, sea water back with water inlet line, sea water water outlet pipeline filter screen and sea water water outlet pipeline.Heat in containment passes to sea water in runner by containment, after sea water is heated, flows up under the effect of buoyancy, discharges through sea water water outlet pipeline, heat is entered sea water.Sea water constantly enters runner through sea water back with water inlet line filter screen, completes Natural Circulation, thus takes away the heat in containment.
When running without Passive containment cooling system, hydrophobic pipeline isolating valve can be opened, utilize drainage pump to be discharged by the sea water remained in runner.
Compared with prior art, the method have the advantages that
1, the Passive containment cooling system of the floating nuclear power plant that the present invention provides, the gravity and the buoyancy that utilize sea water form Natural Circulation, the heat in containment are passed to sea water, it is ensured that containment not superpressure, maintain the integrity of containment, there is simple and reliable advantage.
2, considering based on redundancy, sea water back with water inlet line and sea water water outlet pipeline are respectively provided with two loops, for ensureing the availability of system.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the Passive containment cooling system of the floating nuclear power plant meeting the preferred embodiment of the present invention.
Fig. 2 is another angle schematic diagram of structure shown in Fig. 1.
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, the present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings.
As illustrated in fig. 1 and 2, the Passive containment cooling system of floating nuclear power plant includes:
Containment 1；
Involucrum 2；Described involucrum 2 is set in the outside of described containment 1, and is provided with runner 3 between described containment 1；
Two sea water back with water inlet line (6,6 ')；Sea water back with water inlet line (6/6 ') connects with the bottom of described runner 3；
Two sea water water outlet pipelines (10,10 ')；Described sea water water outlet pipeline (10/10 ') connects with the top of described runner 3；
Sea water and air shared pipeline 8；Described sea water connects with the top of air bridging line 8 with described runner 3；
Dtmospheric pipe 7；Described dtmospheric pipe 7 connects with the top of described runner 3, by the atmosphere of runner 3 with sea level more than 01；
Hydrophobic pipeline 13；Described hydrophobic pipeline 13 connects with the bottom of described runner 3.
Preferably, two sea water back with water inlet line isolating valves (5,5 ') are also included；Two described sea water back with water inlet line isolating valves (5,5 ') are separately positioned on two described sea water back with water inlet line (6,6 '), are used for controlling connecting or isolation of described sea water back with water inlet line (6/6 ') and the sea water outside described runner 3.
Preferably, two sea water back with water inlet line filter screens (4,4 ') are also included；Two described sea water back with water inlet line filter screens (4,4 ') are separately positioned on two described sea water back with water inlet line (6,6 ').
Preferably, two sea water water outlet pipeline isolating valve (11,11 ') are also included；Two described sea water water outlet pipeline isolating valve (11,11 ') are separately positioned on two described sea water water outlet pipelines (10,10 '), are used for controlling connecting or isolation of described sea water water outlet pipeline (10/10 ') and the sea water outside described runner 3.
Preferably, two sea water water outlet pipeline filter screen (12,12 ') are also included；Two described sea water water outlet pipeline filter screen (12,12 ') are separately positioned on two described sea water water outlet pipelines (10,10 ').
Preferably, described runner 3 is connected with air shared pipeline 8 by described dtmospheric pipe 7 with described sea water.
Preferably, hydrophobic pipeline isolating valve 14 is also included；Described hydrophobic pipeline isolating valve 14 is arranged on described hydrophobic pipeline 13, for controlling connecting or isolation of described hydrophobic pipeline 13 and the sea water outside described runner 3.
Preferably, drainage pump 15 is also included；Described drainage pump 15 is arranged on described hydrophobic pipeline 13.
Preferably, dtmospheric pipe isolating valve 9 is also included；Described dtmospheric pipe isolating valve 9 is arranged on described dtmospheric pipe 7, for controlling connecting or isolation of described dtmospheric pipe 7 and the air outside described runner 3.
The Passive containment cooling system of the floating nuclear power plant that the present embodiment provides is arranged in floating nuclear power plant dividing plate 02.When power station is properly functioning, passive containment system is in resting state, is isolated by the sea water outside runner and runner by sea water back with water inlet line isolating valve and sea water water outlet pipeline isolating valve.Dtmospheric pipe isolating valve is opened, and the atmosphere outside runner and runner, hydrophobic pipeline isolating valve 14 cuts out.
When having an accident and need passive containment system as ultimate heat sink, close dtmospheric pipe isolating valve, opening sea water back with water inlet line isolating valve and sea water water outlet pipeline isolating valve, sea water enters runner through sea water back with water inlet line filter screen, sea water back with water inlet line, sea water water outlet pipeline filter screen and sea water water outlet pipeline.Heat in containment passes to sea water in runner by containment, after sea water is heated, flows up under the effect of buoyancy, discharges through sea water water outlet pipeline, heat is entered sea water.Sea water constantly enters runner through sea water back with water inlet line filter screen, completes Natural Circulation, thus takes away the heat in containment.
When running without Passive containment cooling system, hydrophobic pipeline isolating valve can be opened, utilize drainage pump to be discharged by the sea water remained in runner.
Compared with prior art, the method have the advantages that
1, the Passive containment cooling system of the floating nuclear power plant that the present invention provides, the gravity and the buoyancy that utilize sea water form Natural Circulation, the heat in containment are passed to sea water, it is ensured that containment not superpressure, maintain the integrity of containment, there is simple and reliable advantage.
2, considering based on redundancy, sea water back with water inlet line and sea water water outlet pipeline are respectively provided with two loops, for ensureing the availability of system.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, and between each embodiment, identical similar portion sees mutually.For system disclosed in embodiment, owing to corresponding to the method disclosed in Example, so describe is fairly simple, relevant part sees method part and illustrates.
Those skilled in the art can use different methods to realize described function to each specifically should being used for, but this realization is it is not considered that beyond the scope of this invention.
Obviously, those skilled in the art can carry out various change and modification without departing from the spirit and scope of the present invention to invention.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 change and including modification include these.
Claims (9)
1. the Passive containment cooling system of a floating nuclear power plant, it is characterised in that including:
Containment；
Involucrum；Described involucrum is set between the outside of described containment, and described containment and is provided with runner；
Sea water back with water inlet line；Described sea water back with water inlet line connects with the bottom of described runner；
Sea water water outlet pipeline；Described sea water water outlet pipeline connects with the top of described runner；
Sea water and air shared pipeline；Described sea water connects with the top of air bridging line with described runner；
Dtmospheric pipe；Described dtmospheric pipe connects with the top of described runner；
Hydrophobic pipeline；Described hydrophobic pipeline connects with the bottom of described runner.
2. the Passive containment cooling system of floating nuclear power plant as claimed in claim 1, its feature exists
In, also include sea water back with water inlet line isolating valve；Described sea water back with water inlet line isolating valve is arranged on described sea water and enters
On water pipeline, for controlling connecting or isolation of described sea water back with water inlet line and the sea water outside described runner.
3. the Passive containment cooling system of floating nuclear power plant as claimed in claim 1, its feature exists
In, also include sea water back with water inlet line filter screen；Described sea water back with water inlet line filter screen is arranged on described sea water water inlet pipe
On line.
4. the Passive containment cooling system of floating nuclear power plant as claimed in claim 1, its feature exists
In, also include sea water water outlet pipeline isolating valve；Described sea water water outlet pipeline isolating valve is arranged on described sea water and goes out
On water pipeline, for controlling connecting or isolation of described sea water water outlet pipeline and the sea water outside described runner.
5. the Passive containment cooling system of floating nuclear power plant as claimed in claim 1, its feature exists
In, also include sea water water outlet pipeline filter screen；Described sea water water outlet pipeline filter screen is arranged on described sea water outlet pipe
On line.
6. the Passive containment cooling system of floating nuclear power plant as claimed in claim 1, it is characterised in that
Described runner is connected with air shared pipeline by described dtmospheric pipe with described sea water.
7. the Passive containment cooling system of floating nuclear power plant as claimed in claim 1, it is characterised in that
Also include hydrophobic pipeline isolating valve；Described hydrophobic pipeline isolating valve is arranged on described hydrophobic pipeline, is used for controlling
Make connecting or isolation of described hydrophobic pipeline and the sea water outside described runner.
8. the Passive containment cooling system of floating nuclear power plant as claimed in claim 1, it is characterised in that
Also include drainage pump；Described drainage pump is arranged on described hydrophobic pipeline.
9. the Passive containment cooling system of floating nuclear power plant as claimed in claim 1, it is characterised in that
Also include dtmospheric pipe isolating valve；Described dtmospheric pipe isolating valve is arranged on described dtmospheric pipe,
Connecting or isolation of air outside controlling described dtmospheric pipe and described runner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620006010.0U CN205582507U (en) | 2016-01-04 | 2016-01-04 | Active containment cooling system of non - of floating nuclear power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620006010.0U CN205582507U (en) | 2016-01-04 | 2016-01-04 | Active containment cooling system of non - of floating nuclear power plant |
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| CN205582507U true CN205582507U (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620006010.0U Active CN205582507U (en) | 2016-01-04 | 2016-01-04 | Active containment cooling system of non - of floating nuclear power plant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105489258A (en) * | 2016-01-04 | 2016-04-13 | 上海核工程研究设计院 | Non-kinetic energy containment vessel cooling system of floating nuclear power plant |
| CN106531244A (en) * | 2016-11-28 | 2017-03-22 | 哈尔滨工程大学 | Passive containment vessel cooling system applicable to floating nuclear power plants |
-
2016
- 2016-01-04 CN CN201620006010.0U patent/CN205582507U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105489258A (en) * | 2016-01-04 | 2016-04-13 | 上海核工程研究设计院 | Non-kinetic energy containment vessel cooling system of floating nuclear power plant |
| CN106531244A (en) * | 2016-11-28 | 2017-03-22 | 哈尔滨工程大学 | Passive containment vessel cooling system applicable to floating nuclear power plants |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE |
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| CP01 | Change in the name or title of a patent holder |