CN107610793A - With the spent fuel storage system of Yu Haiyang nuclear power platform - Google Patents
With the spent fuel storage system of Yu Haiyang nuclear power platform Download PDFInfo
- Publication number
- CN107610793A CN107610793A CN201710786690.1A CN201710786690A CN107610793A CN 107610793 A CN107610793 A CN 107610793A CN 201710786690 A CN201710786690 A CN 201710786690A CN 107610793 A CN107610793 A CN 107610793A
- Authority
- CN
- China
- Prior art keywords
- spent fuel
- storage
- little chi
- nuclear power
- power platform
- 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
- 238000003860 storage Methods 0.000 title claims abstract description 66
- 239000002915 spent fuel radioactive waste Substances 0.000 title claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000010276 construction Methods 0.000 claims abstract description 19
- 239000002826 coolant Substances 0.000 claims abstract description 16
- 239000012530 fluid Substances 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 4
- 230000002787 reinforcement Effects 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims 1
- 239000000446 fuel Substances 0.000 description 8
- 101150054854 POU1F1 gene Proteins 0.000 description 4
- 230000035939 shock Effects 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 239000003758 nuclear fuel Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 239000000941 radioactive substance Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
Abstract
The present invention relates to the spent fuel storage system with Yu Haiyang nuclear power platform, including Spent fuel pit and cooling and cleaning system, it is characterized in that the agent structure of Spent fuel pit is steel construction, steel construction external application provided with shielding layer, steel construction sets overflow groove on outer, there is cover plate on overflow groove, spilling water trench bottom is provided with spout hole, spout hole passes through branch pipe, house steward and check valve are connected with cooling and cleaning system, tinning pond is provided with Spent fuel pit, service sink and more than two storage little Chi, interconnected between storage little Chi, storage screen work is provided with storage little Chi, storage little Chi upper ends are provided with closure, store small pool wall top and be provided with " u "-shaped breach, store in little Chi filled with fluid dielectric coolant, the water source for filling discharge cycle for reactor core and using is provided with tinning pond.The present invention is simple in construction, builds and is convenient to mount and dismount, bulk strength is high and safe for operation.
Description
Technical field
The present invention relates to ocean nuclear power platform sea to reload, specifically with the spentnuclear fuel of Yu Haiyang nuclear power platform
Storage system.
Background technology
Irradiated fuel store is an important stage of nuclear fuel management and fuel recycle.Spentnuclear fuel draws off the first of reactor
Phase, because irradiation dose is high, decay heat is big, therefore, the spentnuclear fuel in generally spentnuclear fuel is placed in Spent fuel pit
Stored in storage screen work.Spent fuel pit is provided with special water cooling and cleaning system, exports irradiated fuel assembly
Remaining heat release, ensure sump water temperature, water quality, water level and radioactive level within certain limits.Spentnuclear fuel is in irradiated fuel store
After being stored in the prescribed number of years in pond, remaining thermal power and radioactive substance decay to a threshold value, you can are transported using spentnuclear fuel
Defeated container loads outward transport.
At present, the general peace program of building in Nuclear Power Station's Exhausted Fuels storage pond is：Casting concrete → fixation embedded board → peace
Dress clad can board supporting structure → laying discharge pipe line → pool wall and bottom of pond are plastered → lays clad stainless steel panel (4~6mm) → weldering
Connect and nondestructive testing, its whole construction, installation, welding, inspection technique are extremely complex.Spent fuel pit is divided by function
For transhipment pond, storage pond, tinning pond and service sink, wherein storage pond is a great Chi, several storage screen works are free
Bottom of pond is positioned over, with bottom of pond without being fixedly connected, with pool wall also without lateral support, the boron water of normal concentration is filled with pond, and it is whole
Individual Spent fuel pit top is unlimited.
Ocean nuclear power platform at sea run during due to being impacted by wind, wave, can produce periodically tilt and
Wave, the peace program of building in above-mentioned Nuclear Power Station's Exhausted Fuels storage pond is simply not proposed to marine environment, especially land nuclear power station
Irradiated fuel store scheme can not be run on the nuclear power platform of ocean, otherwise, easily cause security incident.Therefore, design
It is simple in construction, build and be convenient to mount and dismount, bulk strength is high and the spentnuclear fuel safe for operation with Yu Haiyang nuclear power platform is store
Deposit system is very necessary.
The content of the invention
It is an object of the invention to provide it is a kind of it is simple in construction, build and be convenient to mount and dismount, bulk strength is high and safe for operation
The spent fuel storage system with Yu Haiyang nuclear power platform.
To achieve the above object, the present invention adopts the following technical scheme that：With the irradiated fuel store of Yu Haiyang nuclear power platform
System, including Spent fuel pit and cooling and cleaning system, it is characterized in that the agent structure of Spent fuel pit is steel
Structure, steel construction outside are laid with screen layer, overflow groove are opened up on the outer of steel construction, grid cover plate is provided with overflow groove,
Spilling water trench bottom offers more than one spout hole, and spout hole is connected by spill pipe with return main, and return main is led to
Cross check valve to be connected with cooling and cleaning system, tinning pond, service sink and more than two are provided with Spent fuel pit
Little Chi is stored, is interconnected between storage little Chi, stores and storage screen work is provided with little Chi, storage screen work is filled by buffering shock-absorbing
Put and be connected with storage little Chi, storage little Chi upper ends are provided with closure, between adjacent storage little Chi, tinning pond and adjacent storage
Between little Chi, between service sink and adjacent storage little Chi and the pool wall top between tinning pond and service sink is provided with and is available for
The " u "-shaped breach that spentnuclear fuel passes through, the bottom of " u "-shaped breach are stored in little Chi filled with coolant higher than the top of storage screen work
Medium, store the inlet and outlet that small bottom of pond portion and middle part are respectively arranged with fluid dielectric coolant, cooling and the cooling of cleaning system
Liquid medium entrance and fluid dielectric coolant outlet are connected with export and import respectively, are provided with tinning pond and are filled discharge cycle for reactor core
The water source used.
Further, the tinning pond and service sink are arranged on the middle part of Spent fuel pit, and the storage little Chi is
More than four, the storage little Chi is separately positioned on tinning pond and the both sides of service sink.
Further, the fluid dielectric coolant is deionized water.
Further, it is provided with exhaust apparatus on the closure.
Further, the screen layer is lead screen layer, and the grid cover plate is stainless steel grid cover plate, the closure
On be provided with reinforcement.
The present invention is advantageous to building for weary pond using the Spent fuel pit structure that shielding material is laid outside steel construction main body
Make, assemble and disassemble and overall construction intensity improve；The present invention is using partition type storage little Chi, it is possible to reduce water shakes under marine environment
Reinforcement is put, reduces the reserved height of water tank anti-overflow, reduces impulse inertia of the surge to pool wall of water；The present invention is by each storage
The mode of little Chi encryption cappings, can effectively prevent coming down in torrents for water, compared to the side that closure is increased to whole storage pond
Formula, reduce the manufacture, sealing and handling difficulty of closure；The present invention, can by the way of storage screen work flexibility is fixedly connected
To limit screen work shaking amplitude, the shock loading suffered by screen work is reduced；The present invention is by Spent fuel pit outer surrounding
Overflow groove is opened up, excessive water can be collected, pond can be come back to after the cooling of weary pond and cleaning system processing；The present invention
Water source is used by setting reactor core to fill discharge cycle in tinning pond, material-changing water tank can be saved, simplify system design.
The present invention is simple in construction, builds and is convenient to mount and dismount, bulk strength is high and safe for operation.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the top view of the Spent fuel pit of the present invention；
Fig. 3 is the left view of the Spent fuel pit of the present invention.
In figure：1- Spent fuel pits；1.1- steel construction；1.1.1- overflow groove；1.1.2- grid cover plate；1.1.3- overflow
Discharge orifice；1.2- screen layer；2- is cooled down and cleaning system；2.1- fluid dielectric coolant entrances；2.2- fluid dielectric coolants export；3.1- overflow
Flow branch pipe；3.2- return main；4- check valves；5- tinnings pond；6- service sinks；7- stores little Chi；7.1- import；7.2- outlet；
8- stores screen work；9- buffers shock absorbing device；10- closures；11- " u "-shaped breach；12- fluid dielectric coolants；13- water sources.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention is further illustrated, but the embodiment should not be construed as to this hair
Bright limitation.
The as depicted spent fuel storage system for using Yu Haiyang nuclear power platform, including Spent fuel pit 1 and cold
But and cleaning system 2, the agent structure of Spent fuel pit 1 is steel construction 1.1, and the outside of steel construction 1.1 is laid with screen layer
1.2, overflow groove 1.1.1 is opened up on the outer of steel construction 1.1, and grid cover plate 1.1.2, overflow groove are provided with overflow groove 1.1.1
1.1.1 bottom offers more than one spout hole 1.1.3, and spout hole 1.1.3 passes through spill pipe 3.1 and return main 3.2
Connection, return main 3.2 are connected by check valve 4 with cooling and cleaning system 2, and tinning is provided with Spent fuel pit 1
Pond 5, service sink 6 and more than two storage little Chi 7, store little Chi 7 between interconnect, store little Chi 7 in be provided with storage
Screen work 8, storage screen work 8 are connected by buffering shock absorbing device 9 with storage little Chi 7, and storage little Chi 7 upper ends are provided with closure 10,
Between adjacent storage little Chi 7, between tinning pond 5 and adjacent storage little Chi 7, between service sink 6 and adjacent storage little Chi 7 with
And the pool wall top between tinning pond 5 and service sink 6 is provided with the " u "-shaped breach 11 for being available for spentnuclear fuel to pass through, " u "-shaped breach 11
Bottom higher than the top of storage screen work 8, filled with fluid dielectric coolant 12 in storage little Chi 7, store the bottoms of little Chi 7 and middle part difference
It is provided with the import 7.1 and outlet 7.2 of fluid dielectric coolant 12, the fluid dielectric coolant entrance 2.1 and cooling of cooling and cleaning system 2
Liquid medium outlet 2.2 is connected with outlet 7.2 and import 7.1 respectively, is provided with tinning pond 5 and is filled what discharge cycle used for reactor core
Water source 13.
Preferred embodiment is：In such scheme, the tinning pond 5 and service sink 6 are arranged on Spent fuel pit 1
Middle part, the storage little Chi 7 be more than four, the storage little Chi 7 is separately positioned on tinning pond 5 and the both sides of service sink 6.
Preferred embodiment is：In such scheme, the fluid dielectric coolant 12 is deionized water.
Preferred embodiment is：In such scheme, exhaust apparatus is provided with the closure 10.
Preferred embodiment is：In such scheme, the screen layer 1.2 is lead screen layer, the grid cover plate 1.1.2
For stainless steel grid cover plate, reinforcement is provided with the closure 10.
The content not being described in detail in this specification, belong to prior art known to those skilled in the art.
Claims (9)
1. with the spent fuel storage system of Yu Haiyang nuclear power platform, including Spent fuel pit (1) and cooling and purification system
Unite (2), it is characterised in that：The agent structure of Spent fuel pit (1) is steel construction (1.1), is laid outside steel construction (1.1)
There is screen layer (1.2), overflow groove (1.1.1) is opened up on the outer of steel construction (1.1), grid is provided with overflow groove (1.1.1)
Cover plate (1.1.2), overflow groove (1.1.1) bottom offer more than one spout hole (1.1.3), and spout hole (1.1.3) passes through
Spill pipe (3.1) is connected with return main (3.2), and return main (3.2) passes through check valve (4) and cooling and cleaning system
(2) connect, tinning pond (5), service sink (6) and more than two storage little Chi (7) be provided with Spent fuel pit (1),
Interconnected between storage little Chi (7), storage screen work (8) is provided with storage little Chi (7), storage screen work (8) is inhaled by buffering
Shake device (9) is connected with storage little Chi (7), is stored little Chi (7) upper end and is provided with closure (10), adjacent storage little Chi (7) it
Between, between tinning pond (5) and adjacent storage little Chi (7), between service sink (6) and adjacent storage little Chi (7) and tinning
Pool wall top between pond (5) and service sink (6) is provided with the " u "-shaped breach (11) for being available for spentnuclear fuel to pass through, " u "-shaped breach
(11) higher than the top of storage screen work (8), storage little Chi (7) is interior filled with fluid dielectric coolant (12), stores little Chi (7) bottom for bottom
Portion and middle part be respectively arranged with fluid dielectric coolant (12) import (7.1) and outlet (7.2), cooling and cleaning system (2) it is cold
But liquid medium entrance (2.1) and fluid dielectric coolant outlet (2.2) are connected with outlet (7.2) and import (7.1) respectively, tinning pond
(5) water source (13) for filling discharge cycle for reactor core and using is provided with.
2. the spent fuel storage system according to claim 1 with Yu Haiyang nuclear power platform, it is characterised in that：The dress
Tank pond (5) and service sink (6) are arranged on the middle part of Spent fuel pit (1), and the storage little Chi (7) is more than four, institute
State storage little Chi (7) and be separately positioned on tinning pond (5) and the both sides of service sink (6).
3. the spent fuel storage system according to claim 1 or 2 with Yu Haiyang nuclear power platform, it is characterised in that：Institute
It is deionized water to state fluid dielectric coolant (12).
4. the spent fuel storage system according to claim 1 or 2 with Yu Haiyang nuclear power platform, it is characterised in that：Institute
State and be provided with exhaust apparatus on closure (10).
5. the spent fuel storage system according to claim 3 with Yu Haiyang nuclear power platform, it is characterised in that：It is described close
Exhaust apparatus is provided with capping (10).
6. the spent fuel storage system according to claim 1 or 2 with Yu Haiyang nuclear power platform, it is characterised in that：Institute
It is lead screen layer to state screen layer (1.2), and the grid cover plate (1.1.2) is stainless steel grid cover plate, on the closure (10)
It is provided with reinforcement.
7. the spent fuel storage system according to claim 3 with Yu Haiyang nuclear power platform, it is characterised in that：The screen
It is lead screen layer to cover layer (1.2), and the grid cover plate (1.1.2) is stainless steel grid cover plate, is set on the closure (10)
There is reinforcement.
8. the spent fuel storage system according to claim 4 with Yu Haiyang nuclear power platform, it is characterised in that：The screen
It is lead screen layer to cover layer (1.2), and the grid cover plate (1.1.2) is stainless steel grid cover plate, is set on the closure (10)
There is reinforcement.
9. the spent fuel storage system according to claim 5 with Yu Haiyang nuclear power platform, it is characterised in that：The screen
It is lead screen layer to cover layer (1.2), and the grid cover plate (1.1.2) is stainless steel grid cover plate, is set on the closure (10)
There is reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710786690.1A CN107610793B (en) | 2017-09-04 | 2017-09-04 | Spent fuel storage system for ocean nuclear power platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710786690.1A CN107610793B (en) | 2017-09-04 | 2017-09-04 | Spent fuel storage system for ocean nuclear power platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107610793A true CN107610793A (en) | 2018-01-19 |
| CN107610793B CN107610793B (en) | 2024-03-19 |
Family
ID=61056045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710786690.1A Active CN107610793B (en) | 2017-09-04 | 2017-09-04 | Spent fuel storage system for ocean nuclear power platform |
Country Status (1)
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| CN (1) | CN107610793B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109003685A (en) * | 2018-07-23 | 2018-12-14 | 上海核工程研究设计院有限公司 | Floating system is gone in a kind of PWR nuclear power plant spentnuclear fuel pond |
| CN110534217A (en) * | 2019-09-09 | 2019-12-03 | 中国船舶重工集团公司第七一九研究所 | A kind of spent fuel storage rack with Yu Haiyang's nuclear power platform |
| CN111816335A (en) * | 2020-06-03 | 2020-10-23 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Reactor structural component for marine nuclear power platform and refueling equipment cleaning pool |
| CN113345608A (en) * | 2021-04-28 | 2021-09-03 | 中广核研究院有限公司 | Spent fuel pool cooling and purification system |
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|---|---|---|---|---|
| CN109003685A (en) * | 2018-07-23 | 2018-12-14 | 上海核工程研究设计院有限公司 | Floating system is gone in a kind of PWR nuclear power plant spentnuclear fuel pond |
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| CN111816335A (en) * | 2020-06-03 | 2020-10-23 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Reactor structural component for marine nuclear power platform and refueling equipment cleaning pool |
| CN113345608A (en) * | 2021-04-28 | 2021-09-03 | 中广核研究院有限公司 | Spent fuel pool cooling and purification system |
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| Publication number | Publication date |
|---|---|
| CN107610793B (en) | 2024-03-19 |
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