CN203422937U - Spent fuel rod storing grid for nuclear power station - Google Patents
Spent fuel rod storing grid for nuclear power station Download PDFInfo
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- CN203422937U CN203422937U CN201320490639.3U CN201320490639U CN203422937U CN 203422937 U CN203422937 U CN 203422937U CN 201320490639 U CN201320490639 U CN 201320490639U CN 203422937 U CN203422937 U CN 203422937U
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- Prior art keywords
- spent fuel
- fuel rods
- stored
- cell
- nuclear power
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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 utility model discloses a spent fuel rod storing grid for a nuclear power station in the field of nuclear power equipment. The spent fuel rod storing grid comprises a grid body formed by circling a lower supporting plate and a plurality of peripheral plates, wherein a plurality of spent fuel rod storing small chambers positioned on the top surface of the lower supporting plate are arranged in the grid body; all spent fuel rod storing small chambers are steel pipes in a regular hexagonal prism shape; the spent fuel rod storing small chambers are arranged on the top surface of the lower supporting plate in a honeycomb manner; a spent fuel rod storing chamber of which the two ends are open is formed in the center of each spent fuel rod storing small chamber; a circulating hole positioned in the bottom of the lower supporting plate is formed under the spent fuel rod storing chamber of each spent fuel rod storing small chamber. The technical effects are that firstly, the inertia moment, the section modulus and the flexural capacity of the single spent fuel rod storing small chamber in the spent fuel rod storing grid for the nuclear power station are improved; secondly, the spent fuel rod storing capacity in the spent fuel rod storing grid for the nuclear power station in unit volume can be improved.
Description
Technical field
The utility model relates to a kind of used in nuclear power station spent fuel rods in nuclear power equipment field and stores screen work.
Background technology
Spent fuel rods claims again rradiated nuclear fuel rod.In reactor, spent nuclear fuel is excellent.Nuclear fuel rod through neutron bombardment generation nuclear reaction, draws off in piling through certain hour in nuclear reactor, forms spent fuel rods.In spent fuel rods, contain a large amount of unspent can fertile material as 238U or 232Th, that do not burn down and newly-generated easy fissioner, as transuranic elements such as 239Pu, 235U or 233U and the neptunium producing in irradiation process, americium, curiums, also have fission element 90Sr, 137Cs, 99Tc etc. in addition.Spent fuel rods takes out in nuclear power plant reactor, hang in spent fuel rods and store in screen work, spent fuel rods is stored screen work and is placed in spent fuel rods and stores pond, spent fuel rods through decay cooling after, spent fuel rods assembly could be sent to reprocessing plant.The resting period of spent fuel rods is 300 days.
It is to store in screen work for depositing the parts of spent fuel rods at spent fuel rods that spent fuel rods is stored cell, if application number is 201220337712.9, patent name is that < < used in nuclear power station spent fuel rods is stored the spent fuel rods storage cell adopting in the patented claim of screen work > >, the steel pipe that comprises four-prism shape, the spent fuel rods storage chamber that the steel pipe center of described four-prism shape is both ends open.Spent fuel rods storage chamber is coaxial with the steel pipe of described four-prism shape.Such spent fuel rods must be set up cladding plate on the lateral wall of the steel pipe of described four-prism shape a little less than storing cell neutron adsorptive power.In addition on the one hand, the moment of inertia of the steel pipe of described four-prism shape is little, and a little less than bending resistance, modulus of section is low, cause thus spent fuel rods to store cell mechanical strength low, so spent fuel rods is stored and in screen work, must be provided with dividing plate and adjacent spent fuel rods is stored to cell separate.Therefore spent fuel rods is stored screen work remitted its fury, and the steel consumption in manufacture process increases, and cost rises, and is also unfavorable for that in the spent fuel rods of unit volume is stored screen work, depositing more spent fuel rods stores cell simultaneously.The use that above factor has all limited used in nuclear power station spent fuel rods storage screen work module has caused all restrictions.
Utility model content
The purpose of this utility model is in order to overcome the deficiencies in the prior art, provide a kind of used in nuclear power station spent fuel rods to store screen work, it first can improve used in nuclear power station spent fuel rods and store single spent fuel rods in screen work and store cell moment of inertia, modulus of section and bending resistance; The second, it can improve the spent fuel rods storage capacity that used in nuclear power station spent fuel rods is stored unit volume in screen work.
A kind of technical scheme that realizes above-mentioned purpose is: a kind of used in nuclear power station spent fuel rods is stored screen work, comprise by lower support plate and the some screen work bodies that peripheral board surrounds, in described screen work body, be provided with some spent fuel rods that are positioned on described lower support plate end face and store cell;
Described spent fuel rods is stored the steel pipe that cell is positive hexagon, and described spent fuel rods is stored cell and be honeycomb arrangement on described lower support plate end face; Described in each, spent fuel rods is stored the spent fuel rods storage chamber that the center of cell is both ends open, and described in each, spent fuel rods is stored under the spent fuel rods storage chamber of cell, is all provided with the bottom being positioned in described lower support plate and crosses opening.
Further, according to a kind of used in nuclear power station spent fuel rods described in claim, store screen work, it is characterized in that: it is the boron stainless-steel tube of positive hexagon that described spent fuel rods is stored cell.
Further, the bottom of each face of the lateral wall of described spent fuel rods storage cell, is all fixed with bottom bearing member, and the top of each face of the lateral wall of described spent fuel rods storage cell, is all fixed with top support; Two described spent fuel rods of arbitrary neighborhood are stored the bottom bearing member face contact of cell and are fixed by least two lower latches, and two described spent fuel rods of arbitrary neighborhood are stored the top support face contact of cell and fixed by least two upper latches.
Further, described spent fuel rods is stored the bottom of each face of cell lateral wall, and described bottom bearing member is fixed by lower pin, and described spent fuel rods is stored the top of each face of cell lateral wall, and described top support is fixed by upper pin.
Further, described spent fuel rods is stored the bottom of each face of cell lateral wall, and described bottom bearing member is fixed by pin under supporting member, and three described lower pins are triangularly arranged; Described spent fuel rods is stored the top of each face of cell lateral wall, and described top support is fixed by three upper pins, and three described upper pins are triangularly arranged.
Further, adjacent two described spent fuel rods are stored between the bottom bearing member of cells also by being welded and fixed, and two adjacent described spent fuel rods are stored between the top support of cells also by being welded and fixed.
Further, described peripheral board is provided with side direction and crosses opening.
Adopted a kind of used in nuclear power station spent fuel rods of the present utility model to store the technical scheme of screen work, at the intrinsic spent fuel rods of screen work, store the steel pipe that cell is positive hexagon, and described spent fuel rods is stored the technical scheme that cell is the used in nuclear power station spent fuel rods storage screen work of honeycomb arrangement in described screen work body.Its technique effect is: first improves used in nuclear power station spent fuel rods stores single spent fuel rods storage cell moment of inertia, modulus of section and bending resistance in screen work; The second, it can improve the spent fuel rods storage capacity that used in nuclear power station spent fuel rods is stored unit volume in screen work.
Accompanying drawing explanation
Fig. 1 is the front view that a kind of used in nuclear power station spent fuel rods of the present utility model is stored screen work.
Fig. 2 is the vertical view that a kind of used in nuclear power station spent fuel rods of the present utility model is stored screen work.
Fig. 3 is the upward view that a kind of used in nuclear power station spent fuel rods of the present utility model is stored screen work.
Fig. 4 is the side view that a kind of used in nuclear power station spent fuel rods of the present utility model is stored spent fuel rods storage cell in screen work.
Fig. 5 is that a kind of used in nuclear power station spent fuel rods of the present utility model is stored the cross sectional view that in screen work, spent fuel rods is stored cell.
Fig. 6 is that a kind of used in nuclear power station spent fuel rods of the present utility model is stored the bottom connection diagram that in screen work, adjacent two spent fuel rods are stored cell.
Fig. 7 is that a kind of used in nuclear power station spent fuel rods of the present utility model is stored the top connection diagram that in screen work, adjacent two spent fuel rods are stored cell.
Fig. 8 is that a kind of used in nuclear power station spent fuel rods of the present utility model is stored spent fuel rods in screen work and stored cell top and the fixing schematic diagram of peripheral board.
Fig. 9 is that a kind of used in nuclear power station spent fuel rods of the present utility model is stored in screen work spent fuel rods and stored that cell bottom is fixed with peripheral board and the scheme of installation of hanger rod component.
Figure 10 is the upward view of bearing support.
Embodiment
Refer to Fig. 1 to Figure 10, inventor of the present utility model is in order to understand the technical solution of the utility model better, below by embodiment particularly, and is described in detail by reference to the accompanying drawings:
Refer to Fig. 1 to Fig. 3, a kind of used in nuclear power station spent fuel rods of the present utility model is stored screen work, comprise by lower support plate 11 and some peripheral boards 12 and surround screen work body 1, in screen work body 1, be provided with some spent fuel rods that are positioned on lower support plate 11 end faces and store cell 2.In the present embodiment, the quantity of peripheral board 12 is four.
Refer to Fig. 4 to Fig. 8, it is the steel pipe of a positive hexagon that spent fuel rods is stored cell 2, the spent fuel rods storage chamber 21 that the center of spent fuel rods storage cell 2 is both ends open.Spent fuel rods storage chamber 21 is coaxial with spent fuel rods storage cell 2.Spent fuel rods storage chamber 21 is used for storing used in nuclear power station spent fuel rods.In screen work body 1, spent fuel rods is stored cell 2 and be honeycomb arrangement on the end face of lower support plate 11.
A kind of used in nuclear power station spent fuel rods of the present utility model is stored screen work, the steel pipe of selecting positive hexagon is stored cell 2 as spent fuel rods, and spent fuel rods is stored the reason that cell 2 is arranged in honeycomb in used in nuclear power station spent fuel rods is stored the screen work body 1 of screen work and is:
First, it is maximum that spent fuel rods is stored the density of arranging of cell 2 in the screen work body 1 of used in nuclear power station spent fuel rods storage screen work, used in nuclear power station spent fuel rods is stored in the screen work body 1 of screen work, in unit volume, the amount of storage of spent fuel rods is maximum, is also conducive to the raising that used in nuclear power station spent fuel rods is stored frame structure intensity simultaneously;
The second, moment of inertia and modulus of section that single spent fuel rods is stored cell 2 enlarge markedly, and bending resistance significantly strengthens, and therefore can reduce and produce the steel using amount that spent fuel rods is stored cell 2, greatly alleviate the construction weight that spent fuel rods is stored cell 2.
Therefore, by adopting the steel pipe of positive hexagon to store cell 2 as spent fuel rods, make spent fuel rods store the mechanical property optimums such as the structural strength of cell 2, rigidity, make the resisting breakage ability of spent fuel rods storage cell 2 the strongest.Through aseismic analysis, calculate, spent fuel rods is stored cell 2 and can be born and be equivalent to the antidetonation acceleration of 0.3 times of acceleration of gravity and do not damage.
The 3rd, the neutron adsorptive power that adopts the spent fuel rods of the steel pipe of positive hexagon to store cell 2 is better than the spent fuel rods of the steel pipe that adopts four-prism shape and stores cell, meets spent fuel rods irradiation process and adsorbs requirement for neutron.
In the present embodiment, spent fuel rods is stored cell 2 and is made by boron stainless steel, be that spent fuel rods storage cell 2 is the boron stainless-steel tube of positive hexagon, adopt the object of the boron stainless-steel tube of positive hexagon to be further to improve the neutron adsorptive power that spent fuel rods is stored cell 2, meet spentnuclear fuel irradiation process and adsorb requirement for neutron.
Refer to Fig. 6 and Fig. 7, fixing in order to store cell 2 at interior two spent fuel rods by arbitrary neighborhood of screen work body 1.Spent fuel rods is stored the bottom of each face of cell 2 lateral walls, is all fixed with bottom bearing member 22, and spent fuel rods is stored the top of each face of cell 2 lateral walls, is all fixed with top support 23.The lateral wall that is each spent fuel rods storage cell 2 is provided with six top support 23 and six bottom bearing members 22.
In order bottom bearing member 22 to be fixed on to spent fuel rods, store the bottom of the lateral wall of cell 2, spent fuel rods is stored each face bottom of the lateral wall of cell 2, all be provided with three lower pin holes 223, and three lower pin holes 223 are triangularly arranged, in three lower pin holes 223, be equipped with lower pin 224, bottom bearing member 22 is fixed on by these three lower pins 224 bottom of a face that spent fuel rods is stored the lateral wall of cell 2.
In order top support 23 to be fixed on to spent fuel rods, store the top of the lateral wall of cell 2, spent fuel rods is stored each face top of the lateral wall of cell 2, all be provided with three upper pin holes 233, and three upper pin holes 233 are triangularly arranged, in three upper pin holes 233, be equipped with pin 234, top support 23 is fixed on by these three upper pins 234 top of a face that spent fuel rods is stored the lateral wall of cell 2.
At spent fuel rods, store on each face of cell 2 lateral walls, bottom bearing member 22 is by becoming three lower pins 224 fixing, and three lower pins 224 are triangularly arranged.Top support 23 is fixing by three upper pins 234, and three upper pins 234 are triangularly arranged.The object of design is like this: the constant intensity on the lateral wall of reinforced bottom supporting member 22 and top support part 23 and spent fuel rods storage cell 2.
Each bottom bearing member 22 is provided with two lower pin-and-holes 221, and the bottom surface of cell 2 is all stored in the position of two lower pin-and-holes 221 lower than spent fuel rods, each top support 23 is provided with two upper pin-and-holes 231, and the end face of cell 2 is stored in the position of two upper pin-and-holes 231 higher than spent fuel rods.
The spent fuel rods of two of arbitrary neighborhoods to be stored to cell 2 fixedly time, make adjacent two spent fuel rods store 22 contacts of bottom bearing member on cell 2,23 contacts of top support on adjacent two spent fuel rods storage cell 2.Then, by 221 alignment of the lower pin-and-hole on two bottom bearing members 22, then insert lower latch 222.By after 231 alignment of the upper pin-and-hole in two top support 23, in insertion, latch 232.Thereby the spent fuel rods that completes adjacent two is stored location and preliminary fixing between cell 2, thereby guarantees in screen work body 1, and spent fuel rods is stored cell and arranged in strict accordance with honeycomb.
Now, upper groove has been formed on the bottom of the surface of contact between two top support 23, time groove has been formed on the top of the surface of contact between two bottom bearing members 22, described upper groove and described lower groove are fixed by spot-welded on, two surface of contact between top support 23 are fixed by spot-welded on, two surface of contact between bottom bearing member 22 are fixed by spot-welded on, made adjacent two spent fuel rods store cell 2 fixing.
In order to strengthen the spent fuel rods of adjacent two, store the bond strength between cell 2, also the skew in order to prevent that the spent fuel rods of adjacent two from storing occurrence positions between cell 2, described lower groove is being carried out before spot-welded on, bottom pegging graft, adjust backing plate 225 in described lower groove, groove on described is being carried out before spot-welded on, and backing plate 235 is adjusted at the top of pegging graft in described upper groove.
As shown in Figure 7, the top of top support 23 is provided with a lozenges 230, when adjacent two spent fuel rods storage cell 2 is fixed, this lozenges 230 is positioned at a side of storing the lateral wall of cell 2 near spent fuel rods, when two top support 23 are carried out to spot-welded on, can reduce like this consumption of scolder, backing plate 235 is adjusted at the top of being also convenient to peg graft in groove on described.
As shown in FIG. 8 and 9, interior fixing at screen work body 1 in order spent fuel rods to be stored to cell 2, the spent fuel rods adjacent with peripheral board 12 stored cell 2 and will be welded and fixed with peripheral board 12, and this spent fuel rods is stored the bottom bearing member 22 and the top support 23 that on cell 2, contact with peripheral board 12 and is all welded and fixed with peripheral board 12.The lozenges 230 that is positioned at the top of top support 23 is positioned at a side of storing the lateral wall of cell 2 away from spent fuel rods, near a side of peripheral board 12, while carrying out spot-welded on like this between to top support 23 and peripheral board 12, can reduce the consumption of scolder.
The another one effect that bottom bearing member 22 and top support 23 are set on the lateral wall of spent fuel rods storage cell 2 is: bottom bearing member 22 and top support 23 are made by 304 stainless steels, when spent fuel rods is stored the boron stainless-steel tube that cell 2 is positive hexagon, can prevent that at the spent fuel rods to adjacent, storing cell 2 is being weldingly connected in process, produces boron segregation phenomena at weld.
For the water circulation that can allow spent fuel rods store in pond flows into the spent fuel rods storage chamber 21 that spent fuel rods is stored cell 2, to the spent fuel rods in spent fuel rods storage chamber 21, carry out cooling, under the spent fuel rods storage chamber 21 of each spent fuel rods storage cell 2, all being provided with one is positioned in lower support plate 11, and opening 111 is crossed in the bottom being communicated with this spent fuel rods storage chamber 21, as shown in Figure 3, on peripheral board 12, be also provided with side direction and cross opening 121, as shown in Figure 1.
In addition, the top of screen work body 1, it is an intrinsic upper bearing plate 13 also on the end face of peripheral board 12, upper bearing plate 13 is hollow sheetings, to guarantee that the end face of screen work body 1 opens wide, with the water that allows spent fuel rods store in pond, from top, flow into the spent fuel rods storage chamber 21 that each spent fuel rods is stored cell 2.The inner ring of upper bearing plate 13 is stored cell 2 by spent fuel rods and is further fixed in screen work body 1.The effect of upper bearing plate 13 outer rings is: by the welding between upper bearing plate 13, a plurality of used in nuclear power station spent fuel rods can be stored to screen work and be connected and fixed.
In order to increase the intensity of screen work body 1, between two peripheral boards 12 of screen work body 1 arbitrary neighborhood, be provided with support column 14, as shown in Figure 2.
In addition, on screen work body 1, be also provided with hanger rod component 122, hanger rod component 122 is comprised of some suspension rods, every suspension rod in hanger rod component 122 all runs through upper bearing plate 13, peripheral board 12 and lower support plate 11 from top to bottom successively, every described suspension rod is from lower support plate 11 bottoms pass, fixing by suspension rod sleeve 123 with the bottom of lower support plate 11.The effect of hanger rod component 122 is to be convenient to that used in nuclear power station spent fuel rods is stored to screen work and lifts into spent fuel rods storage pond.As shown in Figure 9.
Meanwhile, as shown in figure 10, also a kind of used in nuclear power station spent fuel rods of the present utility model can be stored to screen work and be placed on a bearing support 3.Bearing support 3 is provided with some engraved structures 31, to allow spent fuel rods store the water in pond, by engraved structure 31, opening 111 is crossed in bottom lower support plate 11, flow into each spent fuel rods in used in nuclear power station spentnuclear fuel screen work and store in the spent fuel rods chamber 21 of cell 2, spent fuel rods is decayed cooling.As shown in Fig. 1 and Figure 10.Meanwhile, the bottom surface of lower support plate 11 is provided with some lower bolts hole 112, and making a kind of used in nuclear power station spent fuel rods of the present utility model store screen work can fix with the end face of bearing support 3.As shown in Figure 3.
Those of ordinary skill in the art will be appreciated that, above embodiment is only for the utility model is described, and be not used as restriction of the present utility model, as long as within the scope of connotation of the present utility model, to the variation of the above embodiment, modification, all will drop within the scope of claims of the present utility model.
Claims (7)
1. a used in nuclear power station spent fuel rods is stored screen work, comprise the screen work body (1) being surrounded by lower support plate (11) and some peripheral boards (12), in described screen work body (1), be provided with some spent fuel rods that are positioned on described lower support plate (11) end face and store cell (2); It is characterized in that:
Described spent fuel rods is stored the steel pipe that cell (2) is positive hexagon, and described spent fuel rods is stored cell (2) and be honeycomb arrangement on described lower support plate (11) end face; Described in each, spent fuel rods is stored the spent fuel rods storage chamber (21) that the center of cell (2) is both ends open, described in each, spent fuel rods is stored under the spent fuel rods storage chamber (21) of cell (2), is all provided with the bottom being positioned in described lower support plate (11) and crosses opening (111).
2. a kind of used in nuclear power station spent fuel rods according to claim 1 is stored screen work, it is characterized in that: it is the boron stainless-steel tube of positive hexagon that described spent fuel rods is stored cell (2).
3. a kind of used in nuclear power station spent fuel rods according to claim 1 is stored screen work, it is characterized in that: the bottom of each face of the lateral wall of described spent fuel rods storage cell (2), all be fixed with bottom bearing member (22), the top of each face of the lateral wall of described spent fuel rods storage cell (2), is all fixed with top support (23); Bottom bearing member (22) face that two described spent fuel rods of arbitrary neighborhood are stored cell (2) contacts and passes through at least two lower latches (222) and fix, and top support (23) face that two described spent fuel rods of arbitrary neighborhood are stored cells (2) contacts and passes through at least two upper latches (232) and fix.
4. a kind of used in nuclear power station spent fuel rods according to claim 3 is stored screen work, it is characterized in that: described spent fuel rods is stored the bottom of each face of cell (2) lateral wall, described bottom bearing member (22) is fixing by lower pin (224), described spent fuel rods is stored the top of each face of cell (2) lateral wall, and described top support (23) is fixing by upper pin (234).
5. a kind of used in nuclear power station spent fuel rods according to claim 4 is stored screen work, it is characterized in that: described spent fuel rods is stored the bottom of each face of cell (2) lateral wall, described bottom bearing member (22) is fixing by three lower pins (224), and three described lower pins (224) are triangularly arranged; Described spent fuel rods is stored the top of each face of cell (2) lateral wall, and described top support (23) is fixing by three upper pins (234), and three described upper pins (234) are triangularly arranged.
6. according to a kind of used in nuclear power station spent fuel rods described in claim 3 or 4 or 5, store screen work, it is characterized in that: adjacent two described spent fuel rods are stored between the bottom bearing member (22) of cells (2) also by being welded and fixed, two adjacent described spent fuel rods are stored between the top support (23) of cells (2) also by being welded and fixed.
7. a kind of used in nuclear power station spent fuel rods according to claim 1 is stored screen work, it is characterized in that: described peripheral board (12) is provided with side direction and crosses opening (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320490639.3U CN203422937U (en) | 2013-08-12 | 2013-08-12 | Spent fuel rod storing grid for nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320490639.3U CN203422937U (en) | 2013-08-12 | 2013-08-12 | Spent fuel rod storing grid for nuclear power station |
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| Publication Number | Publication Date |
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| CN203422937U true CN203422937U (en) | 2014-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320490639.3U Expired - Lifetime CN203422937U (en) | 2013-08-12 | 2013-08-12 | Spent fuel rod storing grid for nuclear power station |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103400617A (en) * | 2013-08-12 | 2013-11-20 | 上海阿波罗机械股份有限公司 | Spent fuel rod storage grillwork for nuclear power plant |
| CN105355243A (en) * | 2014-08-20 | 2016-02-24 | Gns核能服务有限公司 | Fuel rod storage device |
| CN107398648A (en) * | 2017-06-12 | 2017-11-28 | 上海森松压力容器有限公司 | The manufacture method of fuel rod storage container |
-
2013
- 2013-08-12 CN CN201320490639.3U patent/CN203422937U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103400617A (en) * | 2013-08-12 | 2013-11-20 | 上海阿波罗机械股份有限公司 | Spent fuel rod storage grillwork for nuclear power plant |
| CN105355243A (en) * | 2014-08-20 | 2016-02-24 | Gns核能服务有限公司 | Fuel rod storage device |
| CN105355243B (en) * | 2014-08-20 | 2017-08-29 | Gns核能服务有限公司 | fuel rod storage |
| CN107398648A (en) * | 2017-06-12 | 2017-11-28 | 上海森松压力容器有限公司 | The manufacture method of fuel rod storage container |
| CN107398648B (en) * | 2017-06-12 | 2019-09-20 | 上海森松压力容器有限公司 | The manufacturing method of fuel rod storage container |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Huifang Inventor after: Zuo Min Inventor after: OuYang Lihua Inventor after: Lu Jinqi Inventor after: Zou Qingchi Inventor after: Li Ning Inventor after: Tang Xinggui Inventor after: Xie Liang Inventor after: Wu Ming Inventor after: Wang Xiaojiang Inventor after: Yang Linmin Inventor after: Yi Xuan Inventor after: Lei Ningbo Inventor before: Lu Jinqi Inventor before: Zou Qingchi |
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| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151008 Address after: 100840 Beijing West Third Ring Road, Haidian District, No. 117 Patentee after: CHINA NUCLEAR POWER ENGINEERING Co.,Ltd. Address before: 201401 Shanghai City, Guangdong Province, the town of Pine Road, No. 555, No. Patentee before: SHANGHAI APOLLO MACHINERY Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140205 |