CN205881474U - Body structure is piled to reactor at pressurised water nuclear power station - Google Patents
Body structure is piled to reactor at pressurised water nuclear power station Download PDFInfo
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- CN205881474U CN205881474U CN201620700394.6U CN201620700394U CN205881474U CN 205881474 U CN205881474 U CN 205881474U CN 201620700394 U CN201620700394 U CN 201620700394U CN 205881474 U CN205881474 U CN 205881474U
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- reactor
- nuclear power
- pressure vessel
- pressurized
- power plant
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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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- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
The utility model provides a body structure is piled to reactor at pressurised water nuclear power station, a serial communication port, pile top subassembly, steam generator and main pump including reactor pressure vessel, internals, control rod drive mechanism, reactor reactor core, integration. The utility model provides a body structure is piled to reactor at pressurised water nuclear power station, reactor pressure vessel take over to weld with the steam generator mouthpiece and directly link, and arranging of main equipment is more compact, has reduced space requirement.
Description
Technical field
This utility model relates to the reactor body construction of a kind of pressurized-water reactor nuclear power plant, is specifically related to a kind of nuclear energy and sends out
The close-coupled reactor body construction of the multiple uses such as electricity, steam supply, heat supply and desalinization.
Background technology
In recent years, along with China's industrialization, the fast development of urbanization, AND ENERGY RESOURCES CONSUMPTION IN CHINA intensity and major pollutants row
High-volume in rigidity growth trend, the negative effect of the living environment of the mankind is on the rise by atmospheric pollution, promotes China to cleaning
Energy demand is more and more urgent." " 12 " energy-saving and emission-reduction planning " explicitly points out, and the top priority of energy-saving and emission-reduction is that adjustment is excellent
Changing the industrial structure and promote efficiency level to improve, task emphasis includes eliminating the backward production facilities, turn off charactericstics；Adjust energy-consuming
Structure；Cogeneration, accelerates intelligent grid construction etc..Compared with other energy, have that adaptation load variations ability is strong, mould
Block formula is built, and the small-sized heap of the features such as construction period is short, security performance is high, addressing is flexible is the preferable choosing reaching above target
Select.
China is vast in territory, and marine resources enrich, and ocean development especially deep-ocean resource exploitation needs stable, jumbo
Electric energy and heat energy.Additionally, due to environment and the particularity of purposes, small-sized heap nuclear power system be ocean development most advantage heat,
Electric energy system.Small-sized nuclear power, hot supply station are loaded on conveying boat or mobile platform and carry for the exploitation of resource on marine site
For electric power and the heat energy of desalinization, there is the best market prospect.Additionally, small-sized heap nuclear power system can also be marine
Ice breaker and other boats and ships provide power.
Along with the small-sized required change of heap applied field and the development of nuclear safety design concept, the structure of small-sized heap
Design on the basis of tradition light-water reactor, possess techniques below feature:
(1) compact conformation.The structure of small-sized heap and layout are not only the scaled down of large nuclear power station, and should hold concurrently
On the basis of turning round and look at the existing and designing technique of Successful utilization, it is optimized, to simplify structure, meets bulk and limit and require relatively
High place.
(2) marine environment is met.Owing to working environment is different from continental rise, little on maritime floating platform or boats and ships
Type heap, the most floating type small-sized heap, the moment is in periodical wobble state, and the structure of reactor need to superposition in original design conditions
The various operating modes of marine environment, and combine existing ocean engineering technology and carry out the examination of equipment performance.
(3) higher safety, reliability.Small-sized heap cancels the large scale pipeline in main coolant system, it is to avoid big
Cut loss of-coolant accident (LOCA), can improve the inherent safety of nuclear reactor.
Utility model content
This utility model, for the deficiencies in the prior art, proposes the reactor body construction of a kind of pressurized-water reactor nuclear power plant.
The reactor body construction of pressurized-water reactor nuclear power plant includes that reactor pressure vessel, in-pile component, control rod drive
Mechanism, reactor core, integration heap top component, steam generator and main pump.
Preferably, described reactor pressure vessel is arranged in the central authorities of containment, cap assembly and cylinder assembly pass through
Dismountable Flange joint.
Preferably, described reactor pressure vessel is provided with reactor pressure vessel adapter；Described reactor pressure vessel connects
The middle part that pipe is evenly arranged in described reactor pressure vessel is on the upper side, the middle part level of described reactor pressure vessel adapter
Weld one piece of dividing plate, the average inner space dividing the adapter of described reactor pressure vessel；Described reactor pressure vessel is taken over
Weld direct-connected with the ozzle of described steam generator.
Preferably, described reactor core is hung by the cradle cylinder body of described in-pile component and is held at described reactor pressure
On pivot flange in the middle part of device, to be positioned at the bottom of described reactor pressure vessel.
Preferably, CRDM described in described integration heap top component sum platform is arranged in described reactor pressure
On the top cover of container.
Preferably, described CRDM uses protected type motor to drive worm drive, is suitable for, rises and falls, shakes
The compound movement of pendulum degree of freedom, to ensure reliability service in the case of various attitudes.
Preferably, described integration heap top component be CRDM coil forced ventilation cooling or the most right
Stream cooling provides air flow channel, with improving heat exchanging efficiency.
Preferably, also include cable testing bridge, arrange stack top cable, easy disassembly with unified.
Preferably, described main pump is directly connected to described steam generator.
Compared with prior art, this utility model has the advantages that
1. the reactor body construction of the pressurized-water reactor nuclear power plant that this utility model provides, reactor pressure vessel adapter is same
The welding of steam generator ozzle is direct-connected, and the layout of main equipment is the compactest, reduces space requirement.
2. the reactor body construction of the pressurized-water reactor nuclear power plant that this utility model provides, eliminates in main coolant system
Large scale pipeline, it is to avoid large-break LOCA, can improve the inherent safety of nuclear reactor.
3. the reactor body construction of the pressurized-water reactor nuclear power plant that this utility model provides, CRDM uses screen
Cover formula motor and drive the technical scheme of worm drive, can be suitable for inclination, the compound movement of the degree of freedom that rises and falls, waves etc., satisfied extra large
The requirement of ocean environment.
Accompanying drawing explanation
Fig. 1 is the section view of the reactor body construction of the pressurized-water reactor nuclear power plant meeting this utility model preferred embodiment
Figure.
In figure, 1 integration heap top component；2 CRDMs；3 steam generators；4 reactor pressures
Container；5 in-pile components；6 reactor cores；7 main pumps.
Detailed description of the invention
Understandable for enabling above-mentioned purpose of the present utility model, feature and advantage to become apparent from, below in conjunction with the accompanying drawings and tool
This utility model is described in further detail by body embodiment.
As it is shown in figure 1, be the reactor body construction of a kind of pressurized-water reactor nuclear power plant, it include integration heap top component 1,
CRDM 2, steam generator 3, reactor pressure vessel 4, in-pile component 5, reactor core 6 and main pump 7.
The pressure vessel 4 of reactor body is arranged in the central authorities of containment, cap assembly and cylinder assembly pass through removable
The Flange joint unloaded.The middle part that reactor pressure vessel adapter is evenly arranged in reactor pressure vessel is on the upper side, the centre of adapter
One piece of dividing plate of position water flat welded, the average inner space dividing adapter；Reactor pressure vessel takes over same steam generator
Outspoken connect welding.
Reactor core 6 hangs the pivot flange in the middle part of reactor pressure vessel 4 by the cradle cylinder body of in-pile component 5
On, it is positioned at the bottom of reactor pressure vessel；
Integration heap top component 1 sum platform control rod drives structure 2 to be arranged on the top cover of reactor pressure vessel 3；
CRDM 2 use protected type motor drive worm drive technical scheme, can be suitable for inclination, fluctuating,
The compound movement of degree of freedom such as wave, it is ensured that reliability service in the case of various attitudes.
Forced ventilation cooling or free convection cooling that integration heap top component 1 is CRDM coil provide
Air flow channel, improving heat exchanging efficiency.Set cable testing bridge, can unify to arrange stack top cable, easy disassembly.
Main pump 7 is directly connected to steam generator 3.
Compared with prior art, the present embodiment has the advantages that
1. the reactor body construction of the pressurized-water reactor nuclear power plant that the present embodiment provides, reactor pressure vessel adapter is with steaming
The welding of vapour generator ozzle is direct-connected, and the layout of main equipment is the compactest, reduces space requirement.
2. the reactor body construction of the pressurized-water reactor nuclear power plant that the present embodiment provides, eliminates in main coolant system
Large scale pipeline, it is to avoid large-break LOCA, can improve the inherent safety of nuclear reactor.
3. the reactor body construction of the pressurized-water reactor nuclear power plant that the present embodiment provides, CRDM uses shielding
Formula motor drives the technical scheme of worm drive, can be suitable for inclination, the compound movement of the degree of freedom that rises and falls, waves etc., meet ocean
The requirement of environment.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment, identical similar portion sees mutually.For system disclosed in embodiment
For, owing to corresponding to the method disclosed in Example, so describe is fairly simple, relevant part sees method part explanation
?.
Those skilled in the art can use different methods to realize described function to each specifically should being used for, but
It is this realization it is not considered that exceed scope of the present utility model.
Obviously, those skilled in the art can carry out various change and modification without deviating from this practicality newly to utility model
The spirit and scope of type.So, if of the present utility model these amendment and modification belong to this utility model claim and
Within the scope of equivalent technologies, then this utility model is also intended to change and including modification include these.
Claims (9)
1. the reactor body construction of a pressurized-water reactor nuclear power plant, it is characterised in that include structure in reactor pressure vessel, heap
Part, CRDM, reactor core, integration heap top component, steam generator and main pump.
2. the reactor body construction of pressurized-water reactor nuclear power plant as claimed in claim 1, it is characterised in that described reactor pressure
Force container is arranged in the central authorities of containment, cap assembly and cylinder assembly pass through dismountable Flange joint.
3. the reactor body construction of pressurized-water reactor nuclear power plant as claimed in claim 1, it is characterised in that described reactor pressure
Force container is provided with reactor pressure vessel adapter；The adapter of described reactor pressure vessel is evenly arranged in described reactor pressure and holds
The middle part of device is on the upper side, and middle part level one piece of dividing plate of welding of described reactor pressure vessel adapter, average division is described instead
Answer the inner space that core pressure vessel is taken over；The adapter of described reactor pressure vessel is welded straight with the ozzle of described steam generator
Even.
4. the reactor body construction of pressurized-water reactor nuclear power plant as claimed in claim 1, it is characterised in that described reactor
Core is hung on the pivot flange in the middle part of described reactor pressure vessel by the cradle cylinder body of described in-pile component, to be positioned at
State the bottom of reactor pressure vessel.
5. the reactor body construction of pressurized-water reactor nuclear power plant as claimed in claim 1, it is characterised in that described integration heap
CRDM described in top component sum platform is arranged on the top cover of described reactor pressure vessel.
6. the reactor body construction of pressurized-water reactor nuclear power plant as claimed in claim 1, it is characterised in that described control rod drives
Motivation structure uses protected type motor to drive worm drive, is suitable for inclination, the compound movement of the degree of freedom that rises and falls, waves, to ensure
Reliability service in the case of various attitudes.
7. the reactor body construction of pressurized-water reactor nuclear power plant as claimed in claim 1, it is characterised in that described integration heap
Forced ventilation cooling or free convection cooling that top component is CRDM coil provide air flow channel, change to promote
The thermal efficiency.
8. the reactor body construction of pressurized-water reactor nuclear power plant as claimed in claim 1, it is characterised in that also include cable bridge
Frame, arranges stack top cable, easy disassembly with unified.
9. the reactor body construction of pressurized-water reactor nuclear power plant as claimed in claim 1, it is characterised in that the same institute of described main pump
State steam generator to be directly connected to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620700394.6U CN205881474U (en) | 2016-07-05 | 2016-07-05 | Body structure is piled to reactor at pressurised water nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620700394.6U CN205881474U (en) | 2016-07-05 | 2016-07-05 | Body structure is piled to reactor at pressurised water nuclear power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205881474U true CN205881474U (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620700394.6U Active CN205881474U (en) | 2016-07-05 | 2016-07-05 | Body structure is piled to reactor at pressurised water nuclear power station |
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| CN (1) | CN205881474U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957560A (en) * | 2016-07-05 | 2016-09-21 | 上海核工程研究设计院 | Reactor body structure of reactor of pressurized water reactor nuclear power plant |
-
2016
- 2016-07-05 CN CN201620700394.6U patent/CN205881474U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957560A (en) * | 2016-07-05 | 2016-09-21 | 上海核工程研究设计院 | Reactor body structure of reactor of pressurized water reactor nuclear power plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |
|
| CP01 | Change in the name or title of a patent holder |