CN207676666U - A kind of band is connected to the passive double containment of lateral water tank up and down - Google Patents
A kind of band is connected to the passive double containment of lateral water tank up and down Download PDFInfo
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- CN207676666U CN207676666U CN201721071719.XU CN201721071719U CN207676666U CN 207676666 U CN207676666 U CN 207676666U CN 201721071719 U CN201721071719 U CN 201721071719U CN 207676666 U CN207676666 U CN 207676666U
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- water tank
- containment
- lateral
- cooling water
- passive double
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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 the passive double containment that a kind of band is connected to lateral water tank up and down comprising metal containment, lateral cooling water, containment internal structure, outer panel, bottom plate, top plate, top cooling water tank, top cooling water, lower air inlet, upper discharge hole, lateral water tank, air baffle and assignment of traffic disk.Band provided by the utility model is connected to the passive double containment of lateral water tank up and down, has good Residual heat removal performance using the principle of heat loss through convection using the intrinsic physical characteristic of water and air, the support of the external energy is not necessarily under accident conditions.
Description
Technical field
The utility model is related to a kind of designs of the safety-related structure type of nuclear power field, and in particular to above and below a kind of band
It is connected to the passive double containment of lateral water tank.
Background technology
Containment/shielding workshop is the most important structures of nuclear power plant, and major function is in imaginary design basis thing
After therefore, internal pressure is born, contains airborne radioactivity releaser, and be that reactor core and coolant system carry during normal operation
For barrier.Meanwhile containment/shielding workshop is also the heating power boundary of reactor, has the heat that will be generated after design basis accident
Measure the function of being discharged into air, prevent superpressure.
The type of more popular containment/shielding workshop includes mainly the prestressed concrete safety with Leak-tight liner at present
Shell, the double containment being made of prestressed concrete containment vessel and normal concrete containment and by metal containment and reinforcing bar/
The double containment that prestressed reinforced concrete shielding workshop collectively constitutes.One phase of Qinshan in China is using autonomous Design
Prestressed concrete containment vessel with Leak-tight liner.EPR nuclear power plants using French technology and the VVER cores using Russian technology
Power plant uses the double containment being made of prestressed concrete containment vessel and normal concrete containment.And it is currently big
The AP1000 nuclear power plants of batch construction are then using the double-deck peace collectively constituted by metal containment and armored concrete shielding workshop
Full shell, the containment use passive technology, have higher reliability.
The passive cooling of containment of the AP1000 nuclear power plants under basis accident is passive at the top of workshop by shielding
Containment cooling water tank institute water storage sprays to carry out.Compared to previous containment/shielding workshop, in thermodynamic property,
This is a significant progress.Why the crisis of Fukushima, Japan nuclear power deteriorates, and is because of the active cooling mistake under extreme operating condition
Effect.But there is also certain problems for AP1000 nuclear power plants：Such huge water tank is placed in the top of shielding workshop, it is clear that right
The antidetonation of structure is unfavorable.And can spray system itself smoothly open in the state of accident, will also largely effect on system
Reliability.
Chinese utility model patent 03143620.X proposes a kind of novel boiling water reactor containment, and the patent is to peace
Full shell internal structure is adjusted, and has certain novelty.But significant improvement is not made to containment itself, is arranged in waste heat
In terms of going out and preventing superpressure, there is not marked improvement.
Utility model content
The utility model in view of the deficiencies of the prior art, proposes that a kind of band is connected to the passive double-deck peace of lateral water tank up and down
Full shell.
The passive double containment that band is connected to lateral water tank up and down includes metal containment, lateral cooling water, in containment
Portion's structure, outer panel, bottom plate, top plate, top cooling water tank, top cooling water, lower air inlet, upper discharge hole, lateral water
Case, air baffle and assignment of traffic disk；Wherein, the bottom plate is seated on ground；The metal containment is seated on bottom plate,
The two is connected by metal containment bottom (head)；The containment internal structure is located in metal containment；The outer panel is seated
On bottom plate, the two is connected by joint bar；The top cooling water tank is seated on top plate；The top cooling water is stored in top
In cooling water tank；The lateral cooling water is stored in the lateral water tank of metal containment；The lower air inlet and upper discharge hole
On outer panel.
Preferably, the metal containment is the cylindrical drum that both ends carry elliposoidal end socket, by metal containment main body, bottom (head)
And cover head composition, all part materials are special boiler steel.
Preferably, the metal containment main body by between lateral water tank and water tank partition board and support construction form, vertically
It is connected by pipeline per discharge casing.
Preferably, the cover head is made of bottom (head) partition board, water storage board and cover head top plate.
Preferably, the lateral cooling water is the cooling fresh water injected in water tank.
Preferably, the containment internal structure refers to various structures and the equipment being seated in metal containment.
Preferably, the outer panel is that inside carries Leak-tight liner, is applied with ring orientation prestress, has compared with strong structure carrying energy
The cylinder-like structure of power and radiation shielding capability.
Preferably, the bottom plate is the basis carrying superstructure as double containment, and prevents accident conditions from transferring
Penetrating property substance is spread to underground.
Preferably, the top plate is as the shielding on the upside of metal containment, and supports top cooling water tank.
Preferably, the top cooling water tank is supported on top plate, for storing top cooling water.
Preferably, the top chilled water is in the passive cooling in the cooling water tank of top, being used under accident conditions.
Preferably, babinet of the lateral water tank along the circumferentially disposed lateral cooling water of storage of containment main body.
Preferably, the lower air inlet is used to import cold air under accident conditions.
Preferably, the upper discharge hole is used to that hot-air be discharged under accident conditions.
Preferably, flow direction of the air baffle under accident conditions for guiding air.
Preferably, the assignment of traffic disk is used to distribute top cooling water under accident conditions.
Compared with prior art, the utility model has the advantages that：
1, band provided by the utility model is connected to the passive double containment of lateral water tank up and down, utilizes water and air
Intrinsic physical characteristic has good Residual heat removal performance using the principle of heat loss through convection, and external energy is not necessarily under accident conditions
The support in source.
2, band provided by the utility model is connected to the passive double containment of lateral water tank, the non-energy with AP1000 up and down
Dynamic cooling is compared, and is increased lateral water tank and is carried out supplement heat rejecter, and the cooling performance of containment under accident conditions is substantially increased, and is improved
Nuclear power station survival ability under accident conditions.
3, band provided by the utility model is connected to the passive double containment of lateral water tank up and down, can greatly improve peace
The structural behaviour of full shell, keeps the structure type of metal containment more reasonable, enables the larger raising of metal containment rigidity, improve
The anti-seismic performance of metal containment.
4, band provided by the utility model is connected to the passive double containment of lateral water tank up and down, compared to common peace
Full shell/shielding workshop carries out Residual heat removal by ad hoc security system, and these security systems are that needs are power-actuated,
Under accident conditions, there is very big problem in the reliability of security system itself.And the utility model consolidating by the thermal convection current of water
There is physical characteristic to carry out Residual heat removal, reliability higher.
5, band provided by the utility model is connected to the passive double containment of lateral water tank up and down, compared to AP1000's
Containment/shielding workshop carries out waste heat by shielding the spray of water stored by the passive containment cooling water tank at the top of workshop
Discharge, the utility model uses top cooling water tank and lateral water tank, reservoir storage bigger, even if top cools down under accident conditions
Cistern valve can not be opened, the passive cooling that can also be realized by the evaporation of lateral cooling water.Simultaneously also avoid due to
The flatness of containment body surface and the various uncertain and even phenomenons of inhomogeneous cooling supported to water currents.
6, band provided by the utility model is connected to the passive double containment of lateral water tank up and down, and water tank is radially being divided
At more parts, each independent operating reduces the influence that individual water tanks fail to cooling effect.
7, band provided by the utility model is connected to the passive double containment of lateral water tank up and down, and water tank is divided into up and down
Multilayer, can be finely divided according to actual needs, effectively avoid influence of the excessive water pressure to containment ontology.
8, band provided by the utility model is connected to the passive double containment of lateral water tank up and down, will using intermediate conduit
Longitudinal water tank perforation connection, moisturizing add exhaust, and equipment is simple, substantially increases safety of structure and equipment reliability of operation.
Description of the drawings
Fig. 1 is the passive double containment profilograph that band provided by the utility model is connected to lateral water tank up and down.
Fig. 2 is metal containment profilograph.
Fig. 3 is metal containment body cross-section figure.
Fig. 4 is metal containment cover head vertical view.
Fig. 5 is the lateral water tank longitudinal sectional drawing of metal containment.
Specific implementation mode
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings and have
Body embodiment is described in further detail the utility model.
As shown in Figure 1, the utility model includes：Metal containment 1, lateral cooling water 2, containment internal structure 3, outer panel
4, bottom plate 5, top plate 6, top cooling water tank 7, top cooling water 8, lower air inlet 9, upper discharge hole 10, lateral water tank 11,
Air baffle 12, assignment of traffic disk 13.
Connection method is：Bottom plate 5 is seated on ground；Metal containment 1 is seated on bottom plate 5, and the two passes through metal containment
Bottom (head) 16 is connected；Containment internal structure 3 is located in metal containment 1；Outer panel 4 is seated on bottom plate 5, and the two passes through joint bar
It is connected；Top cooling water tank 7 is seated on top plate 6；Top cooling water 8 is stored in top cooling water tank 7；Lateral cooling water 2
It is stored in the lateral water tank of metal containment 11；Lower air inlet 9 and upper discharge hole 10 are located on outer panel 4.
The metal containment 1 is made of metal containment main body 14, cover head 15, bottom (head) 16.
The metal containment main body 14 is made of circumferential and vertical tile water tank 11.
The water tank 11 is separated between circumferential direction is uniformly distributed along metal containment circumferential direction using partition board 17.Vertically it is being divided into
At multilayer, separated up and down by steel frame 23 and partition board 17 between every layer.Radiator material carries out anti-corrosion treatment, to prevent from becoming rusty
Erosion.The vapor generated under vertically by pipeline 18 upwards export accident conditions, and as the stream of the downward spilling water of upper layer water tank
Road.
The cover head 15, by cover head partition board 20, water storage board 21, cover head top plate 22 form.
The outer panel 4, internal diameter are bigger than the diameter of metal containment 1, between there are enough operating spaces.
The top cooling water tank 7, is supported on top plate 6, there is the reinforced concrete structure of stainless steel clad can using inside.
The pipeline 18, at the middle part of each water tank, consistency from top to bottom.Using materials such as stainless steel round steel pipe or PVC,
It top should about 10cm lower than tank top.
The lower part steel frame 23 is supported on the steel construction of the cantilever on water tank madial wall 14 in the bottom of every layer of water tank
Frame.Weight for undertaking upper tank and in-between water.
The spout hole 24, in one discharge casing upper outside position trepanning of the bottom, trepanning is along circumferential, long arc shape hole.
When bottom cistern water level reaches position of opening, start to drain.
The discharge outlet 25 is connected in every layer of water tank bottom with water tank, has opening and closing device.It needs to empty for maintenance etc.
Water in water tank.
When the present embodiment executes, the reinforcing bar and template of bottom plate 5 are first arranged, by the bottom (head) 16 of metal containment 1 and bottom plate 5
Reinforcing bar securely connects, subsequent bottom board concrete.Press the connection relation of each component in the utility model again later, layering is gradually
It builds.
After the completion of the utility model construction, the injection cooling in top cooling water tank 8 and the lateral water tank 11 of metal containment
Water.Under accident conditions, the water in the cooling water tank of top enters at the top of containment, is flowed around then along cover head, into
Enter lateral water tank.Water in lateral vertical simultaneously is also cooled down to containment main part, and water is evaporated, and passes through the steaming of water
Residual heat removal is ensured the safety of entire nuclear power station by hair and air flowing.Even if top cooling water tank goes wrong and can not
Spraying cooling water, relying only on the automatic evaporation of lateral cooling water can also largely play the role of that waste heat is discharged.
When the utility model is specifically used：
After the completion of being built by the aforementioned order of connection, to the annular water tank and top cooling water of one layer of containment main body topmost
Case water filling, after lateral top layer's water tank is full, from water tank intermediate conduit to lower layer's successively water filling.Under accident conditions, top cooling
Cistern valve is opened, and top cooling water is evenly distributed on by assignment of traffic disk on metal containment cover head, is carried out to cover head
It is cooling, meanwhile, lateral water tank also begins to evaporate, and generates vapor.The vapor of lateral water tank will pass through intermediate unicom pipeline
It is discharged to top.Under air baffle guiding, cold air is introduced from lower part, takes away vapor, and vapor is from upper discharge hole
Gap discharge between the cooling water tank of top, and take away waste heat.The unevaporated water of cover head flows to lateral water tank simultaneously, to lateral
Water tank carries out moisturizing, and upside Water in Water Tank is full, and by intermediate conduit, gravity flow enters next water tank, successively feeds.Lowest level water tank
There are lateral openings, superfluous water is laterally overflowed by lowest level.By the intrinsic physical characteristic of water and air, the utility model can be with
Quickly the waste heat generated under accident conditions is discharged into air, to reduce the probability of the serious accidents such as fusible core generation.Exist simultaneously
Lateral drinking-water pipe is arranged in water tank bottom, and repair is facilitated to drain.
Compared with prior art, the present embodiment has the advantages that：
1, band provided by the utility model is connected to the passive double containment of lateral water tank up and down, utilizes water and air
Intrinsic physical characteristic has good Residual heat removal performance using the principle of heat loss through convection, and external energy is not necessarily under accident conditions
The support in source.
2, band provided by the utility model is connected to the passive double containment of lateral water tank, the non-energy with AP1000 up and down
Dynamic cooling is compared, and is increased lateral water tank and is carried out supplement heat rejecter, and the cooling performance of containment under accident conditions is substantially increased, and is improved
Nuclear power station survival ability under accident conditions.
3, band provided by the utility model is connected to the passive double containment of lateral water tank up and down, can greatly improve peace
The structural behaviour of full shell, keeps the structure type of metal containment more reasonable, enables the larger raising of metal containment rigidity, improve
The anti-seismic performance of metal containment.
4, band provided by the utility model is connected to the passive double containment of lateral water tank up and down, compared to common peace
Full shell/shielding workshop carries out Residual heat removal by ad hoc security system, and these security systems are that needs are power-actuated,
Under accident conditions, there is very big problem in the reliability of security system itself.And the utility model consolidating by the thermal convection current of water
There is physical characteristic to carry out Residual heat removal, reliability higher.
5, band provided by the utility model is connected to the passive double containment of lateral water tank up and down, compared to AP1000's
Containment/shielding workshop carries out waste heat by shielding the spray of water stored by the passive containment cooling water tank at the top of workshop
Discharge, the utility model uses top cooling water tank and lateral water tank, reservoir storage bigger, even if top cools down under accident conditions
Cistern valve can not be opened, the passive cooling that can also be realized by the evaporation of lateral cooling water.Simultaneously also avoid due to
The flatness of containment body surface and the various uncertain and even phenomenons of inhomogeneous cooling supported to water currents.
6, band provided by the utility model is connected to the passive double containment of lateral water tank up and down, and water tank is radially being divided
At more parts, each independent operating reduces the influence that individual water tanks fail to cooling effect.
7, band provided by the utility model is connected to the passive double containment of lateral water tank up and down, and water tank is divided into up and down
Multilayer, can be finely divided according to actual needs, effectively avoid influence of the excessive water pressure to containment ontology.
8, band provided by the utility model is connected to the passive double containment of lateral water tank up and down, will using intermediate conduit
Longitudinal water tank perforation connection, moisturizing add exhaust, and equipment is simple, greatly facilitates safety of structure and equipment reliability of operation.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.For system disclosed in embodiment
For, due to corresponding to the methods disclosed in the examples, so description is fairly simple, related place is referring to method part illustration
.
Those skilled in the art can use different methods to achieve the described function each specific application, but
It is this realize it is not considered that exceeding the scope of the utility model.
Obviously, it is new without departing from this practicality can to carry out utility model various modification and variations by those skilled in the art
The spirit and scope of type.If in this way, these modifications and variations of the present invention belong to the utility model claims and its
Within the scope of equivalent technologies, then the utility model is also intended to including these modification and variations.
Claims (10)
1. a kind of band is connected to the passive double containment of lateral water tank up and down, which is characterized in that including metal containment, lateral cold
But water, containment internal structure, outer panel, bottom plate, top plate, top cooling water tank, top cooling water, lower air inlet, top
Gas vent, lateral water tank, air baffle and assignment of traffic disk；Wherein, the bottom plate is seated on ground；The metal containment
It is seated on bottom plate, the two is connected by metal containment bottom (head)；The containment internal structure is located in metal containment；It is described
Outer panel is seated on bottom plate, and the two is connected by joint bar；The top cooling water tank is seated on top plate；The top cooling
Water is stored in the cooling water tank of top；The lateral cooling water is stored in the lateral water tank of metal containment；The lower air inlet
It is located on outer panel with upper discharge hole.
2. band according to claim 1 is connected to the passive double containment of lateral water tank up and down, which is characterized in that described
Metal containment is the cylindrical drum that both ends carry elliposoidal end socket, is made of metal containment main body, bottom (head) and cover head, all portions
Point material is special boiler steel.
3. band according to claim 1 is connected to the passive double containment of lateral water tank up and down, which is characterized in that described
Metal containment main body by between lateral water tank and water tank partition board and support construction form, it is vertical to pass through pipeline phase per discharge casing
Even.
4. band according to claim 1 is connected to the passive double containment of lateral water tank up and down, which is characterized in that closedtop
Head is made of bottom (head) partition board, water storage board and cover head top plate.
5. band according to claim 1 is connected to the passive double containment of lateral water tank up and down, which is characterized in that described
Lateral cooling water is the cooling fresh water injected in water tank.
6. band according to claim 1 is connected to the passive double containment of lateral water tank up and down, which is characterized in that described
Containment internal structure refers to various structures and the equipment being seated in metal containment.
7. band according to claim 1 is connected to the passive double containment of lateral water tank up and down, which is characterized in that described
Outer panel is that inside carries Leak-tight liner, is applied with ring orientation prestress, with compared with strong structure bearing capacity and radiation shielding capability
Cylinder-like structure.
8. band according to claim 1 is connected to the passive double containment of lateral water tank up and down, which is characterized in that described
Bottom plate is the basis carrying superstructure as double containment, and prevents radioactive substance under accident conditions from being spread to underground.
9. band according to claim 1 is connected to the passive double containment of lateral water tank up and down, which is characterized in that described
Top plate supports top cooling water tank as the shielding on the upside of metal containment.
10. band according to claim 1 is connected to the passive double containment of lateral water tank up and down, which is characterized in that institute
It states top cooling water tank to be supported on top plate, for storing top cooling water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721071719.XU CN207676666U (en) | 2017-08-25 | 2017-08-25 | A kind of band is connected to the passive double containment of lateral water tank up and down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721071719.XU CN207676666U (en) | 2017-08-25 | 2017-08-25 | A kind of band is connected to the passive double containment of lateral water tank up and down |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207676666U true CN207676666U (en) | 2018-07-31 |
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ID=62953088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721071719.XU Active CN207676666U (en) | 2017-08-25 | 2017-08-25 | A kind of band is connected to the passive double containment of lateral water tank up and down |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207676666U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107331423A (en) * | 2017-08-25 | 2017-11-07 | 上海核工程研究设计院有限公司 | The passive double containment of lateral water tank is connected above and below a kind of band |
| CN111370149A (en) * | 2020-03-17 | 2020-07-03 | 中国核动力研究设计院 | Outer wall temperature zone control device and method for containment vessel |
-
2017
- 2017-08-25 CN CN201721071719.XU patent/CN207676666U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107331423A (en) * | 2017-08-25 | 2017-11-07 | 上海核工程研究设计院有限公司 | The passive double containment of lateral water tank is connected above and below a kind of band |
| CN111370149A (en) * | 2020-03-17 | 2020-07-03 | 中国核动力研究设计院 | Outer wall temperature zone control device and method for containment vessel |
| CN111370149B (en) * | 2020-03-17 | 2022-06-14 | 中国核动力研究设计院 | Outer wall temperature zone control device and method for containment vessel |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| 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 Co.,Ltd. |