CN105355243A - Fuel rod storage device - Google Patents
Fuel rod storage device Download PDFInfo
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- CN105355243A CN105355243A CN201410411907.7A CN201410411907A CN105355243A CN 105355243 A CN105355243 A CN 105355243A CN 201410411907 A CN201410411907 A CN 201410411907A CN 105355243 A CN105355243 A CN 105355243A
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- Prior art keywords
- fuel rod
- rod storage
- storage
- closure elements
- containing pipe
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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
Abstract
The present invention relates to a fuel rod storage device, particularly to a fuel rod storage device for fuel rods, preferably damaged fuel rods. The fuel rod storage device forms an integrated, preferably forged fuel rod storage device, and is provided with an inner cavity enclosed by a storage device bottom, a storage device housing and a storage device cover, wherein the storage device cover is provided with a storage device cover opening capable of being sealed by a sealed member, at least an accommodation pipe for the fuel rod is arranged inside the inner cavity, and is sealed on the end portion of the storage device bottom side in a fluid sealing manner, and the sealed member can be loaded, preferably screwed into the storage device opening.
Description
Technical field
The present invention relates to a kind of fuel rod storage, especially for fuel rod, the fuel rod storage being preferred for the fuel rod damaged.
Background technology
In principle it is known that the fuel element of after-flame is loaded to deposit and/or transport mechanically can bear in the container of top load.Such cask and/or storing containers are with brand name
or
known.At nuclear power station run duration, the situation that fuel element damages may be there is.Because clearly can not assess the mechanical property of the fuel element particularly damaged, it is important for loading in cask and/or storing containers by the fuel element of damage.The fuel element damaged leaves in after removing in by reactor in decay pond, wherein, during storage, water may enter in fuel element or enter surround nuclear fuel sleeve pipe in.Because when depositing fuel element that is such, that damage in the storing containers known by reality and/or cask, water may flow out from the fuel element damaged, so exist following dangerous, that is, cask/storing containers by the water that flows out from fuel element and/or the material that formed in the scope of residual radioactivity due to corrosion and damage.Such as by the known a kind of fuel rod storage of DE102005043857A1, this fuel rod storage has the containing pipe of multiple fuel rod for damaging.It is known that deposit in order to ensuing, by vacuumizing each containing pipe of fuel rod storage to come the fuel rod of dry damage.After drying, must close fuel rod storage, be provided with metal seal for this reason, this metal seal is arranged between the sealing surface of storage side and the sealing surface of lid side.In order to ensure the sealing by the known fuel rod storage of reality, cover plate must compress to seal with predetermined, uniform pressure.However, it is known that when depositing for a long time, relaxation effect may be there is in the bolt of pretension, thus the sealing closed to fuel rod storage can not be guaranteed.In addition, in the fuel rod storage known by reality, to the containing pipe of the fuel rod for damaging is fixedly important, because this containing pipe welds regularly with the base plate of fuel rod storage on the end plug of its bottom side.When fuel rod storage is subject to high mechanical load or when containing pipe is due to hot length variations, weld seam is consumingly by load, and weld seam may damage thus.
Summary of the invention
Therefore, technical matters of the present invention is, provide a kind of fuel rod storage, the salient point of this fuel rod storage is, the adaptability flexibly of high mechanical stability, reliably sealing, simple structure, high fail safe and the fuel rod to damages different in a large number.
In order to solve this technical problem, present invention illustrates a kind of fuel rod storage, especially for fuel rod, be preferred for the fuel rod storage of the fuel rod damaged, wherein, described fuel rod storage is configured to the fuel rod storage of preferably one, described fuel rod storage has at the bottom of storage, the inner chamber that storage shell and receptacle lid are surrounded, wherein, described receptacle lid has the receptacle lid opening (cover gab) that closure elements can be utilized to close, wherein, at least one containing pipe for fuel rod is provided with in described inner chamber, this containing pipe fluid on the end of storage bottom side is sealed shut, and described closure elements can load, be screwed into aptly in cover gab.
The fuel rod taken out from fuel element can be loaded in principle and be used in the containing pipe of fuel rod.Preferably, a fuel rod is only arranged to a containing pipe.The preferred specific fuel rod of described fuel rod.Specific fuel rod (Sonderbrennstab) is such as the nuclear fuel of radiation or non-radiation, and the form of described nuclear fuel is preferably from the int of pressurized water reactor or boiling water reactor or the fuel rod, fuel rod section or the loose fuel that damage.Specific fuel rod can be surrounded by envelope or can be placed in operation sleeve pipe.The enclosure body consisted of shell and/or operation sleeve pipe is preferably made up of stainless steel and/or zircaloy.According to a kind of form of implementation, described specific fuel rod is the fuel rod damaged, and this fuel rod is such as distortion or fractures.Within the scope of the invention, described specific fuel rod is the fuel rod damaged in advance, thus described specific fuel rod no longer can use in reactor.Described specific fuel rod is preferably the fuel rod of fluid-impermeable, and the sleeve pipe of this fuel rod is permeable for fluid media (medium) and/or can discharges radioactive material by the sleeve pipe of this fuel rod.
Desirably, described fuel rod storage has such size, and described size corresponds to size that is spendable or unspoiled fuel element.Within the scope of the invention, fuel element can be replaced to insert by the known cask of prior art and/or storing containers according to fuel rod storage of the present invention.May be used for depositing and/or transport fuel rod, preferably specific fuel rod according to fuel rod storage of the present invention.Described fuel rod storage is configured to monoblock, forging, preferred weldless object in an advantageous manner.
In the receptacle lid utilizing closure elements to close, preferably overlap the impact damper of capping side, described impact damper is preferably threaded with fuel rod storage, is threaded aptly with storage shell.Preferably, the surface that deviate from inner chamber of impact damper at the bottom of storage is connected on fuel rod storage, preferably and is connected on storage shell, preferably screw connection.The impact damper abutment face abutted at the bottom of storage has preferably one and preferred multiple rhone, when described fuel storage such as being deposited pond by fuel element or pond (depositing pond) of decaying is taken out, by means of described rhone, water can be derived by fuel rod storage.
The surface deviating from inner chamber of preferred described fuel rod storage is equipped with the recess of such as milling, wherein, such as can form carrying plane in transport and/or when depositing fuel rod storage around longitudinal brace of recess and lateral connection sheet.
According to the preferred form of implementation of one, described fuel rod storage is made up of identical material with described closure elements.Desirably, the material making fuel rod storage and the material making closure elements have identical thermal expansivity.By this way, the different thermal expansivity avoided due to fuel rod storage and closure elements causes forming stress.Fuel rod storage and/or closure elements are made up of steel, preferably stainless steel respectively.Closure elements and/or fuel rod storage are particularly preferably made by for halogenide, the stainless steel that particularly has a resistance relative to chloride, such as, be made up of the steel representing with material number 1.4571 according to DIN17440.
Closure elements advantageously has holding element, the holding element of closure elements side and cover gab side, complementary holding element mating reaction, and closure elements can utilize holding element and complementary holding element to be fixed on fuel rod storage.Described holding element is particularly preferably configured to screw thread, and the holding element of described complementation is configured to the screw thread with this thread complementary.According to a kind of form of implementation, closure elements has external thread, this external thread and the screw-internal thread fit effect be arranged in cover gab.Described closure elements is particularly preferably configured to screw top.Described fuel rod storage is closed with can utilizing closure elements Fluid Sealing aptly.
Described closure elements particularly preferably only utilizes or mainly utilizes described holding element, preferably utilizes the external thread be scarfed in the internal thread of receptacle lid side to remain in cover gab.In other words, described closure elements is not utilize additional bolt (non-bolted joint) to be fixed on fuel rod storage, to be preferably fixed in the receptacle lid of fuel rod storage.Closure elements can such as connect locking by means of bayonet socket or be fixed on fuel rod storage in principle.
Closure elements is preferably configured to circular closed top.Closure elements preferably has flange or flange, when described closure elements load, preferably screw in cover gab time, can make described flange or flange cling to receptacle lid around on the end face of cover gab.Desirably, when described closure elements load, preferably screw in cover gab time, be preferably fitted on the end face of receptacle lid to the flange of annular or flange Fluid Sealing or air seal.Ensure that by this way, the fuel rod storage Fluid Sealing ground utilizing closure elements to close, preferred gas surround fuel rod or specific fuel rod hermetically.
Closure elements is particularly preferably connected integratedly with receptacle lid on the end face deviating from inner chamber of receptacle lid or on the outside of receptacle lid, preferred weld.Desirably, the flange of closure elements or flange weld with fuel rod storage, and preferably weld with receptacle lid.Desirably, be configured for connecting sealed element to be made up of the identical or same material with closure elements and/or fuel rod storage with the material of the weld seam of receptacle lid.Identical material is selected to ensure that for closure elements, receptacle lid and weld seam, between all parts of fuel rod storage, there will not be the electric potential difference affecting corrosion resistance, and such as do not have uncontrollable power to be applied on weld seam when the thermal expansion of fuel rod storage.Be locked on cover gab side, complementary holding element advantageous by closure elements being utilized holding element, mainly between closure elements and fuel rod storage, achieve the connection can bearing intense mechanical load, even if thus when fuel rod storage is subject to strong mechanical load, do not have power or the power that only has weld seam to bear to be applied on weld seam yet.The power be applied on closure elements derives conveniently by holding element, thus preferably weld seam is only subject to load in elastic range.The load of weld seam can be mechanical and/or thermomechanical.Within the scope of the invention, described weld configuration becomes sealing seam, and wherein, described weld seam does not particularly preferably bear the function of carrying or the power of derivation.
When fuel rod storage closure elements Fluid Sealing close time, preferably except with receptacle lid one, except the connecting portion in outside, described closure elements is particularly preferably arranged in cover gab without seal.Therefore, high functional reliability and favourable low maintenance requirement is according to the salient point of fuel rod storage of the present invention.
Within the scope of the invention, be provided with accommodation basket in described inner chamber, wherein, containing pipe is connected with accommodation basket.Desirably, described containing pipe is only connected with accommodation basket.Verified, the end closure element closes of the storage bottom side of described containing pipe.Desirably, fuel rod in containing pipe is contained in or specific fuel rod can utilize locking element to be fixed in containing pipe.Desirably, accommodation basket and/or containing pipe are made up of the material identical with fuel rod storage or closure elements.Desirably, accommodation basket and/or containing pipe are made by according to the DIN17440 stainless steel that material number 1.4571 represents respectively.
Desirably, hold basket can reversibly be fixed in fuel rod storage.Described accommodation basket scope of the present invention can with the fuel rod that will be contained in fuel rod storage or specific fuel rod suitable and suitable with the quantity of fuel rod or specific fuel rod.Advantageously, irrelevant to holding the encirclement that basket seals with by according to given by fuel rod storage of the present invention of quantity that the formation of basket maybe can be encased in fuel rod in the containing pipe holding basket or specific fuel rod is held.
Described accommodation basket particularly preferably can be incorporated in inner chamber or by inner chamber by cover gab and remove.Before being formed by fuel rod storage the encirclement holding basket sealing, first by cover gab, accommodation basket is incorporated in the inner chamber of fuel rod storage, then closure elements loaded, preferably screw in cover gab.Preferably when closure elements load completely, preferably screw in cover gab time, the flange being suitably annular of described closure elements or flange weld with receptacle lid.By this way, the encirclement to holding basket sealing is obtained by fuel rod storage.Remove accommodation basket by fuel rod storage such as to carry out in the following way, that is, make the weld seam between closure elements and receptacle lid be separated and then remove closure elements when release cap opening.Then, accommodation basket can be removed by cover gab by inner chamber within the scope of the invention.
Hold basket and can have top board and base plate, a wherein said containing pipe and preferred multiple containing pipe are connected on top board respectively like this, make the end of the top board side of each containing pipe be configured to open wide, and the end of the base plate side of each containing pipe is configured to close.Preferred each containing pipe is arranged in parallel to each other or substantially in parallel to each other.According to a kind of form of implementation, by containing pipe in the lumen or spatially fixingly in accommodation basket to carry out by means of orifice plate, these orifice plates keep containing pipe with adjustable distance or are fixed in its position by containing pipe.Desirably, each containing pipe diameter can with fuel rod to be processed or specific fuel rod suitable.
Preferably be configured with at least two temperature control medium passages in the lumen, wherein, described containing pipe and preferred multiple setting containing pipe are in the lumen arranged in the first temperature control medium passage, by this first temperature control medium passage, temperature control medium can import in inner chamber, and by the second temperature control medium passage, described temperature control medium can be derived by inner chamber.Desirably, temperature control medium can import in inner chamber by the first temperature control medium passage like this, make described temperature control medium around containing pipe flowing after entering inner chamber, wherein, the heat of temperature control medium advantageously shifts maybe can transfer to containing pipe with on the fuel rod be contained in containing pipe.
Desirably, described containing pipe or described multiple containing pipe be configured to Fluid Sealing, particularly air seal, wherein, the end of the receptacle lid side of each containing pipe is configured to open wide respectively, and the end of the storage bottom side of containing pipe is preferably configured to (Fluid Sealing) closed respectively.Described temperature control medium can be such as the air of temperature adjustment and/or the nitrogen of temperature adjustment.Desirably, temperature control medium can be guided like this in the first temperature control medium passage and/or the second temperature control medium passage, make to avoid temperature control medium to enter in containing pipe.
Verified, the second temperature control medium passage is preferably medially arranged on and is arranged in accommodation basket in fuel rod storage, preferably.Containing pipe is preferably arranged on the outside of the second temperature control medium passage diametrically.Second temperature control medium passage is such as configured to pipe core, and this pipe core extends along the longitudinal axis of such as columniform accommodation basket.According to a kind of form of implementation, when being contained in the fuel rod in containing pipe in drying or when dry multiple multiple fuel rods be contained in each containing pipe are dry, described temperature control medium imports in the inner chamber of fuel rod storage in lid side like this, described temperature control medium is flowed around containing pipe, and turn on the end of the bottom side of the inner chamber of fuel rod storage, and derived by the inner chamber of fuel rod storage by the second temperature control medium passage.By this way, temperature adjustment can be carried out to the fuel rod be in containing pipe or each fuel rod be in each containing pipe or specific fuel rod, and temperature control medium does not contact with fuel rod or each fuel rod.In a recommended manner, preferably when drying, containing pipe lid side, unlimited end is connected on vacuum equipment.Desirably, when drying, temperature control medium flows to containing pipe or each containing pipe according to so-called convection current principle, and wherein, described temperature control medium flows to containing pipe or each containing pipe on the contrary with the flow direction of the moisture by containing pipe or each containing pipe sucking-off.Described containing pipe or each described containing pipe can vacuumize respectively, so that drying is contained in the fuel rod in containing pipe or is contained in each fuel rod in each containing pipe, wherein, the temperature adjustment of the inner chamber of fuel rod storage is carried out like this, that is, described temperature control medium is around the surface flowing deviating from inner chamber of fuel rod storage.
At least one sacrificial anode can be connected on fuel rod storage and/or on accommodation basket.Desirably, described sacrificial anode is arranged in the inner chamber of fuel rod storage.Desirably, the standard electrode potential of described sacrificial anode is less than the standard electrode potential of fuel rod storage and/or closure elements and/or accommodation basket.Preferred described sacrificial anode is formed from steel, is preferably made up of stainless steel, and wherein, steel has such as >=-0.4V and the standard electrode potential of preferably >=0V.The disruption potential of described sacrificial anode is less than the disruption potential of fuel rod storage and/or closure elements and/or accommodation basket.Disruption potential refers to dynamo-electric electromotive force especially, and the region of transpassivation starts under the electromotive force of this electromechanics, and may occur tubercular corrosion under this electromotive force.Described sacrificial anode is such as configured to sacrificial plate or base plate, and this sacrificial plate or base plate are connected to and hold on basket on the end of storage bottom side holding basket.Guarantee thus, the described corrosion protection realized by sacrificial anode acts on whole fuel rod storage.Such as described sacrificial anode is made up of stainless steel, such as, be made up of the stainless steel according to DIN17440 with material number 1.4301.
According to a kind of form of implementation, attended operation device on fuel rod storage, wherein, can promote and/or movable fuel rod storage by holding operating means.Described operating means is particularly preferably connected on the impact damper of lid side.Such as described operating means is configured to the interlocking mouth for hoisting tool.
The present invention is based on such cognition, that is, according to the salient point of fuel rod storage of the present invention in extra high soundness.Desirably, described fuel rod storage is overall forge piece, and this forge piece is configured to weldless connection.Described fuel rod storage can advantageously utilize closure elements to close when avoiding weld seam to be subject to load.In addition, the present invention is also based on such cognition, high axial load can be born by the impact damper be screwed at the bottom of receptacle lid and storage, thus accident prevention can be realized without any problems safely the fuel rod particularly damaged is encapsulated into according in fuel rod storage of the present invention.
In addition, allow the dry fuel rod be contained in containing pipe effectively according to fuel rod storage of the present invention, thus long-term depositing can be realized when avoiding the corrosion caused by moisture without any problems.In addition, the closing cap opening of closure elements is utilized to allow to close fuel rod storage without seal according to the present invention, thus, prevent the blow-by worried of fuel rod storage when avoiding the relaxation effect for bolt is known when long-term storage.In addition, the accommodation basket that can import in the inner chamber of fuel rod storage can be suitable with the fuel rod of the damage of varying number without problems, thus can hold the adaptive fuel rod storage of basket by changing simply for fuel rod amounts different in a large number.Be suitable for depositing the fuel rod with traffic-induced damage according to fuel rod storage of the present invention is favourable.Utilize according to fuel rod storage of the present invention, encirclement and the layout of each fuel rod in the inner chamber of fuel rod storage of the sealing of fuel rod can be uncorrelated, therefore, suitable with the quantity of the change of the fuel rod that will hold without any problems according to fuel rod storage of the present invention.
Accompanying drawing explanation
Below by means of only illustrating that the accompanying drawing of an embodiment illustrates the present invention.In figure schematically:
Fig. 1 illustrates the skeleton view according to fuel rod storage of the present invention;
Fig. 2 a illustrates the skeleton view according to the accommodation basket in fuel rod storage of the present invention be arranged on according to Fig. 1;
Fig. 2 b illustrates the enlarged drawing of the section B of the accommodation basket according to Fig. 2 a;
Fig. 2 c illustrates the perspective bottom view of the section C of the accommodation basket according to Fig. 2 a;
Fig. 3 illustrate have be provided with hold basket according to fuel rod storage of the present invention, wherein, closure elements does not also load in the cover gab of fuel rod storage, and
Fig. 4 illustrate have closed cover gab according to fuel rod storage of the present invention.
Embodiment
Fuel rod storage 1 shown in Figure 1, this fuel rod storage to have at the bottom of storage 2, storage shell 3 and receptacle lid 4.Preferably and according to described embodiment, fuel rod storage 1 side of being configured to body.Storage shell 3 has brace S, these braces according to described embodiment deposit and/or transport fuel rod storage time be used as carrying plane.According to Fig. 1, impact damper 5a is installed in receptacle lid 4.Impact damper 5b is installed in bottom side or at the bottom of storage on 2, thus preferably and according to described embodiment, the length comprising the fuel rod storage 1 of impact damper 5a, 5b equals the length of fuel element.
Unshowned at Fig. 1, the carrying plane of the storage bottom side of impact damper 5b has rhone, when the fuel rod storage 1 by impact damper protection is by when depositing pond taking-up, can derive water by this rhone.
Illustrate in fig. 2 a and hold basket 6, this accommodation basket can be located according to Fig. 3 in the inner chamber I of fuel rod storage 1.Preferably and according to described embodiment, hold basket 6 and there is multiple containing pipe 7, wherein, a unshowned fuel rod or specific fuel rod can be held respectively in a containing pipe 7.Visible in Fig. 2 b and 2c, hold each containing pipe 7 of basket 6 and be guided through orifice plate 8, thus containing pipe 7 keeps being spaced from each other spacing and directed in parallel to each other.In order to protect accommodation basket 6 and fuel rod storage 1 to avoid corrosion, accommodation basket 6 is fixed with the sacrificial anode 9 being configured to sacrificial plate.Preferably and according to described embodiment, the standard electrode potential of sacrificial anode 9 is less than at fuel rod storage 1 or the standard electrode potential holding the material used in basket 6.In addition, illustrate in fig. 2 a, hold the sacrificial anode that basket 7 has top board 18 and is used as base plate 19.Preferably and according to described embodiment, when holding basket 7 and loading in the inner chamber I of fuel rod storage 1, base plate 19 is arranged on the end of the storage bottom side holding basket 7.According to Fig. 2 a, top board 18 is connected on containing pipe 7 on the end of the receptacle lid side of fuel rod storage 1.
Holding basket 6 is encased in the inner chamber I of fuel rod storage 1 like this, make to form the first temperature control medium passage between accommodation basket 6 and fuel rod storage 1, by this first temperature control medium passage, the temperature control medium flowed around containing pipe 7 can import in the inner chamber I of fuel rod storage 1.Can find out in Fig. 2 a to 2c and 3, accommodation basket 6 in be provided with the second temperature control medium passage being configured to pipe core 10, this pipe core 10 from hold basket 6 storage bottom side end to hold basket 6 receptacle lid side end extend.Preferably and according to described embodiment, the temperature control medium imported in inner chamber I is derived by means of only the inner chamber I of pipe core 10 from fuel rod storage 1.
Fig. 3 illustrates the section of the receptacle lid side of fuel rod storage, and wherein, the formation with external thread 12 is that the closure elements of screw top 11 does not also load in the cover gab 13 of receptacle lid 4.Cover gab 13 has the internal thread 14 with external thread 12 complementation of screw top 11.Shown in Figure 4, screw top 11 is screwed in cover gab 13.In addition, in the diagram or the partial enlargement of Fig. 4 illustrate, screw top 11 and receptacle lid 4 utilize weld seam 15 to weld.Particularly, can find out in the partial enlarged drawing of Fig. 4, screw top 11 has flange 16, utilizes this flange 16, and the screw top 11 (closing cap) screwed in cover gab 13 is fitted on the end face 17 deviating from inner chamber I of receptacle lid 4.Preferably and according to described embodiment, the flange 16 of screw top 11 welds with receptacle lid 4.
Shown in Fig. 1,3 and 4, fuel rod storage 1 is configured to fuel rod storage 1 that forge, one.Preferably and according to described embodiment, screw top 11 is made up of the material identical with fuel rod storage 1 with weld seam 15.By this way, in fuel rod storage 1, avoid the stress that the different thermal expansivity due to mechanical load and fuel rod storage 1, screw top 11 and weld seam 15 causes.According to described embodiment, weld seam 15 is configured to Maintenance free between screw top 11 and receptacle lid 4 and connection without the need to monitoring, preferably and according to described embodiment, utilize this weld seam can guarantee the long-time gas tightness of fuel rod storage 1.Particularly as shown in Figure 4, the screw top 11 inner chamber I that do not having centre that the situation lower seal fuel rod storage 1 of additional seal element or O-ring seal is set.When fuel rod storage 1 be stressed load, born like this by impact damper 5a, screw top 11 and fuel rod storage 1 and make a concerted effort, make weld seam 15 all the time not by load.
Claims (14)
1. a fuel rod storage, especially for fuel rod, be preferred for the fuel rod storage of the fuel rod damaged, wherein, described fuel rod storage (1) is configured to preferred one, the fuel rod storage (1) of forging, described fuel rod storage has by (2) at the bottom of storage, the inner chamber (I) that storage shell (3) and receptacle lid (4) are surrounded, wherein, described receptacle lid (4) has the receptacle lid opening (13) that closure elements (11) can be utilized to close, wherein, at least one containing pipe for fuel rod (7) is set in described inner chamber (I), described containing pipe (7) fluid on the end of storage bottom side is sealed shut, and described closure elements (11) can load in receptacle lid opening (13), preferably to screw in receptacle lid opening.
2. fuel rod storage according to claim 1, wherein, described fuel rod storage (1) is made up of identical material with described closure elements (11).
3. according to the fuel rod storage one of claim 1 or 2 Suo Shu, wherein, impact damper (5a) cover of a lid side installs in the receptacle lid (4) closed with closure elements (11), and at the bottom of storage (2) the surface deviating from inner chamber on an impact damper (5b) be connected to be connected on storage shell (3) on fuel rod storage, preferably.
4. according to the fuel rod storage one of claims 1 to 3 Suo Shu, wherein, described closure elements (11) has holding element, the holding element of this closure elements side and cover gab side, complementary holding element mating reaction, and closure elements (11) can utilize the holding element of described holding element and described complementation to be fixed on fuel rod storage (1).
5. fuel rod storage according to claim 4, wherein, described holding element is configured to screw thread (12), and the holding element of described complementation is configured to the screw thread (14) complementary with this screw thread (12).
6. according to the fuel rod storage one of claim 1 to 5 Suo Shu, wherein, described closure elements (11) is on the end face (17) deviating from inner chamber (I) of receptacle lid (4) or be connected integratedly with receptacle lid (4) on the outside of receptacle lid (4), preferred weld.
7. according to the fuel rod storage one of claim 1 to 6 Suo Shu, wherein, when fuel rod storage (1) is closed with utilizing closure elements (11) Fluid Sealing, except with receptacle lid (4) one, except the connecting portion in outside, described closure elements (11) is arranged in receptacle lid opening (13) without seal.
8. according to the fuel rod storage one of claim 1 to 7 Suo Shu, wherein, arrange and hold basket (6) in described inner chamber (I), wherein, described containing pipe (7) is connected with accommodation basket (6).
9. fuel rod storage according to claim 8, wherein, described accommodation basket (6) is reversibly fixed in fuel rod storage (1).
10. one of according to Claim 8 or 9 described fuel rod storages, wherein, described accommodation basket (6) can be introduced in inner chamber (I) or from inner chamber (I) by receptacle lid opening (13) and be taken out.
11. according to the fuel rod storage one of claim 1 to 10 Suo Shu, wherein, at least two temperature control medium passages are formed in described inner chamber (I), wherein, described containing pipe (7) is arranged in the first temperature control medium passage, and by this first temperature control medium passage, temperature control medium can import in inner chamber (I), and by the second temperature control medium passage (10), temperature control medium can be derived by inner chamber (I).
The fuel rod storage that one of 12. according to Claim 8 to 11 are described, wherein, described accommodation basket (6) has top board (18) and base plate (19), wherein, described containing pipe (7) and preferred multiple containing pipe (7) is connected on top board (18) respectively like this, the end of the top board side of each containing pipe (7) is made to be configured to open wide, and the end of each base plate side of each containing pipe (7) is configured to close, wherein, each containing pipe (7) is arranged in described first temperature control medium passage.
13. according to the fuel rod storage one of claim 9 to 12 Suo Shu, and wherein, described second temperature control medium passage (17) is preferably medially arranged on and is arranged in accommodation basket (6) in fuel rod storage (1), preferably.
14. according to the fuel rod storage one of claim 1 to 13 Suo Shu, wherein, in described fuel rod storage (1) and/or accommodation basket (6) at least one sacrificial anode of upper connection (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410411907.7A CN105355243B (en) | 2014-08-20 | 2014-08-20 | fuel rod storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410411907.7A CN105355243B (en) | 2014-08-20 | 2014-08-20 | fuel rod storage |
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| CN105355243A true CN105355243A (en) | 2016-02-24 |
| CN105355243B CN105355243B (en) | 2017-08-29 |
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| CN201410411907.7A Active CN105355243B (en) | 2014-08-20 | 2014-08-20 | fuel rod storage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111492441A (en) * | 2017-12-20 | 2020-08-04 | Tn美国有限责任公司 | Modular basket assembly for fuel assembly |
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| CN203422937U (en) * | 2013-08-12 | 2014-02-05 | 上海阿波罗机械股份有限公司 | Spent fuel rod storing grid for nuclear power station |
| CN203607108U (en) * | 2013-12-16 | 2014-05-21 | 中广核工程有限公司 | Storage rack for burnable poison assemblies |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111492441A (en) * | 2017-12-20 | 2020-08-04 | Tn美国有限责任公司 | Modular basket assembly for fuel assembly |
| CN111492441B (en) * | 2017-12-20 | 2024-04-26 | Tn美国有限责任公司 | Modular basket assembly for fuel assemblies |
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