CN102097142A - Nuclear reactor spent fuel dry type storage house - Google Patents
Nuclear reactor spent fuel dry type storage house Download PDFInfo
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- CN102097142A CN102097142A CN2009102502853A CN200910250285A CN102097142A CN 102097142 A CN102097142 A CN 102097142A CN 2009102502853 A CN2009102502853 A CN 2009102502853A CN 200910250285 A CN200910250285 A CN 200910250285A CN 102097142 A CN102097142 A CN 102097142A
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- storage
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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 invention relates to a nuclear reactor spent fuel storage technology, in particular to a nuclear reactor spent fuel dry type storage house. A house body of the storage house is arranged in a factory; the top of the house body has a pound-shaped girder framework structure; a storage barrel is arranged in each vertical hole of a pound-shaped girder; a plurality of storage pipes are arranged in the storage barrel; each storage pipe is used for storing spent fuels; the storage barrels are poured with heavy concrete after being positioned, so the upper part of the storage house has an integrated structure and radioactive shielding function; the storage house is provided with an air exhaust cooling facility so as to keep refreshing the air in the house and keep a certain negative pressure and a proper temperature; and a heavy concrete shielding layer is arranged at the periphery of the whole storage house. The storage house is good in shock resistance, compact in structure, easy in operation, and low in running maintenance cost and whole production cost.
Description
Technical field
The present invention relates to nuclear reactor irradiated fuel store technology, be specifically related to a kind of nuclear reactor spentnuclear fuel dry type depots.
Background technology
The irradiated fuel store facility is used to depositing of radioactivity spentnuclear fuel behind the heap, because the hot that adopts various measures to keep out spentnuclear fuel discharges and a large amount of releases of decay heat, therefore, general structure is all huger, the design-build quality requirements is higher, cost generally adopts two kinds of storage schemes of dry method and wet method also than higher.Reactor irradiated fuel store method is mainly taked the wet type storage procedures both at home and abroad, but wet type is stored and is required fuel screen work crudy height, storing the pond makes strict, involve great expense, but also need a cover water supply, cooling and treatment facility, not only facility is huge, and operation and maintenance cost is also higher.
Summary of the invention
The objective of the invention is to requirement, the nuclear reactor spentnuclear fuel dry type depots that provide a kind of compact conformation, construct simply, the operation maintenance amount is few, overall cost is cheap at the storage of spentnuclear fuel dry method.
For achieving the above object, technical scheme of the present invention is as follows: a kind of nuclear reactor spentnuclear fuel dry type depots, the top of storehouse body is a groined type beam framed structure, be provided with a storage tube in the vertical hole of each of cross beam, water loaded concrete after the storage tube installing and locating, make that depots top is an one-piece construction, and possess the radioactive shield effect; Depots is provided with the air draft cooling infrastructure, makes air maintenance renewal and certain negative pressure and suitable temperature in the storehouse; The periphery of whole depots is provided with the loaded concrete shield layer.
Further, aforesaid nuclear reactor spentnuclear fuel dry type depots, wherein, the cylindrical shell of described storage tube comprises a plurality of storages duct pipe, and each stores the duct pipe all perforate up and down, and the inside of storing the duct pipe is provided with stainless steel inner lining.
Further, aforesaid nuclear reactor spentnuclear fuel dry type depots, wherein, the centre distance between described each storage duct pipe is more than or equal to spentnuclear fuel critical dimension.
Further, aforesaid nuclear reactor spentnuclear fuel dry type depots, wherein, the cylindrical shell of each storage tube comprises that 21 are stored the duct pipe.
Further, aforesaid nuclear reactor spentnuclear fuel dry type depots, wherein, ground elevation is higher than depots ground elevation on every side in the depots.
Beneficial effect of the present invention is as follows: the whole structure structure compactness of nuclear reactor spentnuclear fuel dry method depots provided by the present invention, construction is simple, the operation maintenance amount is few, overall cost is cheap, structural design has been considered requirements such as radioactive shield and structural strength, has the ability of opposing limit seismic (seismal.The good ventilation system is set in the irradiated fuel store storehouse, prevents that the radgas dose value exceeds standard in the storehouse, and prevent that temperature and humidity from surpassing the limit value standard.The irradiated fuel store tube not only can bear the bump of spentnuclear fuel transhipment cabin (conducting oneself with dignity 10 tons) from the free-falling of 200mm height, and the internal storage thing can not be damaged.The operation maintenance of this kind depots is simple, and expense is cheap, is a kind of banking system of very economical practicality, will be promoted widely.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the structural representation of storage tube.
Embodiment
Below in conjunction with drawings and Examples the present invention is described in detail.
Present embodiment is the brand-new dry type depots at certain research reactor development and Design, the spentnuclear fuel transport courses that research reactor goes out behind the heap is: at first store certain time limit in the spentnuclear fuel pond, after the transhipment handling is to spentnuclear fuel dry method depots top, open and store cover and shield gasket plug, it is in place to utilize transhipment contraposition supporter to transport the cabin, and will transport spentnuclear fuel in the cabin and send into storage tube and carry out long-term storage; Deposit overdue spentnuclear fuel and also can manage and utilize the transhipment cabin to shift out storage tube, and the spent fuel transport container of packing into is transported to the appointed place outward and stores.
The irradiated fuel assembly of research reactor is stored and is adopted cartridge type to store screen work (being called for short the irradiated fuel store tube), be arranged on top, irradiated fuel store storehouse, amount to 30, each storage tube can be placed 21 of irradiated fuel assemblies, consider the putting property of height of spentnuclear fuel, whole depots utilizes loaded concrete to shield, and shielding thickness is 900mm, depots is provided with the air draft cooling infrastructure, makes air maintenance renewal and certain negative pressure and suitable temperature in the storehouse.
As shown in Figure 1 and Figure 2, the top of irradiated fuel store storehouse body is a groined type beam framed structure, be provided with a storage tube 2 in the vertical hole of each of cross beam 1, water loaded concrete after storage tube 2 installing and locating, make that depots top is an one-piece construction, and possess the radioactive shield effect, structural design has been considered requirements such as radioactive shield and structural strength, have the ability of opposing limit seismic (seismal, and can bear the impact that spentnuclear fuel transhipment cabin 200cm highly falls.Ground elevation is higher than depots ground elevation on every side in the irradiated fuel store storehouse, and pumping equipment is set in the storehouse, guarantees that irradiated fuel assembly is not by water logging.The good ventilation system is set in the irradiated fuel store storehouse, prevents that the radgas dose value exceeds standard in the storehouse, and prevent that temperature and humidity from surpassing the limit value standard.
According to the CRITICAL CALCULATION result, distance should be more than or equal to 150mm between each bucket of irradiated fuel store tube.When calculating pitch was 150mm, subcritical requirement was satisfied in effective multiplication factor Keff＜0.95, but this spacing again can not be excessive, otherwise can increase the depots volume, and cost improves, and takes all factors into consideration, and the spacing of determining each barrel is 160mm.
The irradiated fuel store tube is a metal bunker that is cube shaped welding assembling, its structure as shown in Figure 3, this equipment mainly comprises: store cylindrical shell 3, store duct pipe 4, by the stainless steel manufacturing, each is stored cylindrical shell and comprises tube structure part and 21 storage duct pipes 4, store duct pipe 4 arrangement centre distance and be 160mm, each stores the duct pipe all perforate up and down, so that radgas discharging and gas circulation cooling, the corresponding stainless steel inner lining of structure fabrication of duct internal condition storage of radioactive material is so that access and be beneficial to stable.Storage tube is made by stainless steel material, can confirm that on structure its processing and fabricating is easier to, and machining precision guarantees that easily material consumption is few, and is to produce in batches, can reduce the processing and fabricating cost greatly.
The construction of depots is also very simple, at first is civil engineering, comprises top cross beam construction, and construction cost is low, efficient is high; But secondary was adjusted position and levelness after storage tube was placed, thereby had reduced the requirement to civil engineering; All storage tubes can disposablely be in the milk after fixing through adjustment, save engineering time and cost; After the civil engineering, exterior surface needs outside further processing and the japanning, and inner surface does not need to do any processing, has saved construction volume and construction cost equally.Run duration has only the ventilation facility regularly to start, and gas in the depots is cooled off, upgrades and discharges, and need not any other maintenance work, and therefore, the operation maintenance of this kind depots is simple, and expense is cheap.
In order to make transhipment work convenient and reliable, special development and Design transhipment cabin contraposition supporter, be the cast iron structure, one of quantity is used for when picking and placeing stock, for the transhipment cabin provides guiding and location.
The present invention not only can satisfy the various requirement of irradiated fuel store, and processing and fabricating, constructing operation all adopt modular operation, handling ease, and short construction period, cheap, and also operation maintenance is all simple, and expense is low.
Claims (5)
1. nuclear reactor spentnuclear fuel dry type depots, it is characterized in that: the top of storehouse body is a groined type beam framed structure, be provided with a storage tube in the vertical hole of each of cross beam, water loaded concrete after the storage tube installing and locating, make that depots top is an one-piece construction, and possess the radioactive shield effect; Depots is provided with the air draft cooling infrastructure, makes air maintenance renewal and certain negative pressure and suitable temperature in the storehouse; The periphery of whole depots is provided with the loaded concrete shield layer.
2. nuclear reactor spentnuclear fuel dry type depots as claimed in claim 1 is characterized in that: the cylindrical shell of described storage tube comprises a plurality of storages duct pipe, and each stores the duct pipe all perforate up and down, and the inside of storing the duct pipe is provided with stainless steel inner lining.
3. nuclear reactor spentnuclear fuel dry type depots as claimed in claim 2 is characterized in that: the centre distance between described each storage duct pipe is more than or equal to spentnuclear fuel critical dimension.
4. as any described nuclear reactor spentnuclear fuel dry type depots among the claim 1-3, it is characterized in that: the cylindrical shell of each storage tube comprises that 21 are stored the duct pipe.
5. nuclear reactor spentnuclear fuel dry type depots as claimed in claim 1 is characterized in that: ground elevation is higher than depots ground elevation on every side in the depots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102502853A CN102097142A (en) | 2009-12-11 | 2009-12-11 | Nuclear reactor spent fuel dry type storage house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102502853A CN102097142A (en) | 2009-12-11 | 2009-12-11 | Nuclear reactor spent fuel dry type storage house |
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| CN102097142A true CN102097142A (en) | 2011-06-15 |
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| CN2009102502853A Pending CN102097142A (en) | 2009-12-11 | 2009-12-11 | Nuclear reactor spent fuel dry type storage house |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606340A (en) * | 2012-03-14 | 2012-07-25 | 华北电力大学 | Power generation system for driving Stirling engine by using heat of spent fuel |
| CN102768866A (en) * | 2012-07-16 | 2012-11-07 | 清华大学 | Container negative pressure exhaust system |
| CN103065696A (en) * | 2012-12-21 | 2013-04-24 | 清华大学 | Spent fuel dry-type storage device |
| CN103915123A (en) * | 2014-03-26 | 2014-07-09 | 中国核电工程有限公司 | Spent fuel dry storage type local enhanced cooling system |
| CN106463189A (en) * | 2014-08-19 | 2017-02-22 | 纽斯高动力有限责任公司 | Spent fuel storage rack |
| CN106875998A (en) * | 2017-02-23 | 2017-06-20 | 中国核动力研究设计院 | High radioactivity solid waste temporary processing system and method after one kind irradiation |
| CN109607016A (en) * | 2018-12-29 | 2019-04-12 | 中核北方核燃料元件有限公司 | A kind of wrapping wire fuel rod automatic storage warehouse device |
| CN111653374A (en) * | 2020-05-25 | 2020-09-11 | 中核核电运行管理有限公司 | Heavy water reactor spent fuel dry-type storage emergency gripping tool |
-
2009
- 2009-12-11 CN CN2009102502853A patent/CN102097142A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606340A (en) * | 2012-03-14 | 2012-07-25 | 华北电力大学 | Power generation system for driving Stirling engine by using heat of spent fuel |
| CN102606340B (en) * | 2012-03-14 | 2015-04-15 | 华北电力大学 | Power generation system for driving Stirling engine by using heat of spent fuel |
| CN102768866A (en) * | 2012-07-16 | 2012-11-07 | 清华大学 | Container negative pressure exhaust system |
| CN103065696A (en) * | 2012-12-21 | 2013-04-24 | 清华大学 | Spent fuel dry-type storage device |
| CN103065696B (en) * | 2012-12-21 | 2015-07-15 | 清华大学 | Spent fuel dry-type storage device |
| CN103915123A (en) * | 2014-03-26 | 2014-07-09 | 中国核电工程有限公司 | Spent fuel dry storage type local enhanced cooling system |
| CN106463189A (en) * | 2014-08-19 | 2017-02-22 | 纽斯高动力有限责任公司 | Spent fuel storage rack |
| CN106875998A (en) * | 2017-02-23 | 2017-06-20 | 中国核动力研究设计院 | High radioactivity solid waste temporary processing system and method after one kind irradiation |
| CN109607016A (en) * | 2018-12-29 | 2019-04-12 | 中核北方核燃料元件有限公司 | A kind of wrapping wire fuel rod automatic storage warehouse device |
| CN111653374A (en) * | 2020-05-25 | 2020-09-11 | 中核核电运行管理有限公司 | Heavy water reactor spent fuel dry-type storage emergency gripping tool |
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Application publication date: 20110615 |