CN103474119B - Nuclear fuel assembly cask - Google Patents
Nuclear fuel assembly cask Download PDFInfo
- Publication number
- CN103474119B CN103474119B CN201310415108.2A CN201310415108A CN103474119B CN 103474119 B CN103474119 B CN 103474119B CN 201310415108 A CN201310415108 A CN 201310415108A CN 103474119 B CN103474119 B CN 103474119B
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- CN
- China
- Prior art keywords
- fuel assembly
- nuclear fuel
- cask
- shock attenuation
- bracing frame
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- 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.)
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- 239000003758 nuclear fuel Substances 0.000 title claims abstract description 57
- 230000035939 shock Effects 0.000 claims abstract description 37
- 239000000446 fuel Substances 0.000 abstract description 6
- 238000013016 damping Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Abstract
The present invention relates to a kind of nuclear fuel assembly cask; comprise upper shell (1) and lower house (2); described upper shell (1) is connected by web member with lower house (2); shock attenuation device and the bracing frame (5) for fixing nuclear fuel assembly is provided with in described housing; described shock attenuation device is fixed on lower house (2); support frame as described above (5) is arranged on described shock attenuation device; one end and the shock attenuation device of bracing frame are hinged; the other end and shock attenuation device are bolted, and support frame as described above (5) is provided with the fender of protection nuclear fuel assembly.Adopt technical scheme of the present invention, can alleviate the impact that the vibration that produces in transportation causes nuclear fuel assembly in cask, this cask not only damping performance is good, and processing ease; And the protection question solved perpendicular to the shock load of fuel assembly axis in nuclear fuel assembly transportation, ensure that the transportation safety of nuclear fuel assembly.
Description
Technical field
The invention belongs to dangerous material freight transportation field, be specifically related to a kind of nuclear fuel assembly cask.
Background technology
Nuclear fuel assembly needs the safety ensureing transport in transportation, under normal transport condition, ensure that the accekeration of nuclear fuel assembly is less than its limit value requirement; To ensure that under shipping accident condition nuclear fuel assembly is included in cask inside, can not be scattering into cask outside, to avoid danger.
The cask of the nuclear fuel assembly used at present, inventor finds that in prior art, at least there are the following problems: lack and be specially adapted for nuclear fuel assembly cask, and damping performance is good, maneuverable cask again.
Summary of the invention
For the defect existed in prior art, the object of the present invention is to provide a kind of nuclear fuel assembly cask, the impact that the vibration that produces in transportation causes nuclear fuel assembly in cask can be alleviated, damping performance is good, easy operation, and the transportation safety that can ensure nuclear fuel assembly.
For reaching above object, the technical solution used in the present invention is: provide a kind of nuclear fuel assembly cask, comprise upper shell and lower house, described upper shell is connected by web member with lower house, shock attenuation device and the bracing frame for fixing nuclear fuel assembly is provided with in housing, described shock attenuation device is fixed on lower house, support frame as described above is arranged on described shock attenuation device, one end and the shock attenuation device of bracing frame are hinged, the other end and shock attenuation device are bolted, support frame as described above is provided with the fender of protection nuclear fuel assembly, fender is fastened on the outside of bracing frame, fender is provided with some gussets.
Further; the top of described fender and bottom are respectively equipped with top support plate and lateral bolster fagging; described top support plate is connected with top-support and side supports respectively with lateral bolster fagging, and described top-support is fixedly connected with bracing frame respectively with side supports.
Further, be bolted between described top support plate and top-support; Described lateral bolster fagging is flexibly connected by bearing pin with between side supports.
Further, support frame as described above is provided with for supporting and the horizontal hold down gag of fixing nuclear fuel assembly.
Further, the two ends of described upper shell and lower house are respectively equipped with the stiffening plate for absorbing end impact energy.
Further, also comprise for ensureing bracing frame perpendicular attitude and length-adjustable bracing or strutting arrangement during vertical operation, described bracing or strutting arrangement is fixed on described lower house.
Further, support frame as described above and shock attenuation device hinged by back shaft, the below of back shaft is provided with the latch mechanism of bracing frame.
Further, the top of described upper shell is provided with placing rack.
Further, support leg is provided with bottom described lower house.
Advantageous Effects of the present invention is:
(1) by being provided with bracing frame and shock attenuation device in upper shell and lower house, nuclear fuel assembly being loaded in bracing frame, bracing frame being arranged on shock attenuation device, ensure that the safety and stability in nuclear fuel assembly transportation;
(2) by being provided with fender on bracing frame, solving the protection question perpendicular to the shock load of fuel assembly axis in transportation, can nuclear fuel assembly be protected;
(3) by being provided with stiffening plate in the end of lower house and upper shell, can be used in the impact energy absorbing end, protection cask;
(4) bracing frame one end adopt back shaft and shock attenuation device hinged, can overturn, be convenient to the handling of fuel assembly.
Accompanying drawing explanation
Fig. 1 is the side view of nuclear fuel assembly cask of the present invention;
Fig. 2 is the partial sectional view of nuclear fuel assembly cask of the present invention;
Front view when Fig. 3 is nuclear fuel assembly cask vertical operation state of the present invention;
Side view when Fig. 4 is nuclear fuel assembly cask vertical operation state of the present invention;
Fig. 5 is the structural representation of nuclear fuel assembly cask fender of the present invention;
Fig. 6 is the schematic diagram that nuclear fuel assembly cask fender of the present invention combinationally uses.
Wherein: 1-upper shell 2-lower house 3-placing rack 4-stiffening plate
The horizontal hold down gag of 5-bracing frame 6-shock frame 7-vibroshock 8-
9-fender 10-back shaft 11-latch mechanism 12-support leg
13 support bar 14-top support plate 15-lateral bolster fagging 16-top-supports
17-side supports 18-gusset
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
As Figure 1-3, nuclear fuel assembly cask provided by the invention, comprise upper shell 1 and lower house 2, upper shell 1 and lower house 2 are bolted, shock attenuation device and the bracing frame 5 for fixing nuclear fuel assembly is provided with in housing, shock attenuation device comprises vibroshock 7 and shock frame 6, vibroshock 7 is fixed on shock frame 6, vibroshock 7 is fixed on lower house 2, bracing frame 5 is arranged on shock frame 6, and one end of bracing frame 5 and shock frame 6 hinged by back shaft 10, the other end is connected by swing bolt with shock frame 6.Wherein, the below of back shaft 10 is also provided with the latch mechanism 11 of bracing frame 5, connects lower house 2 and shock frame 6, realize the fixed support of bracing frame 5 when being convenient to vertically load and unload when vertical handling.
Bracing frame 5 is provided with the fender 9 of protection nuclear fuel assembly, and fender 9, for protecting nuclear fuel assembly in transportation, solves nuclear fuel assembly protection question perpendicular to the shock load of fuel assembly axis in transportation.As shown in Figure 5, fender 3 is fastened on the outside of bracing frame 5, fender 9 is fixed with some gussets 18; The top of fender 9 and bottom are respectively equipped with top support plate 14 and lateral bolster fagging 15, and top support plate 14 is connected with top-support 16 and side supports 17 respectively with lateral bolster fagging 15, and top-support 16 is fixedly connected with bracing frame 5 respectively with side supports 17; Be bolted between top support plate 14 and top-support 16; Be flexibly connected by bearing pin between lateral bolster fagging 15 with side supports 17.Multiple fender is capable of being combined to be used, and ensures the safety in nuclear fuel assembly overall length direction, as shown in Figure 6.
Bracing frame 5 is provided with horizontal hold down gag 8, for supporting and fixing nuclear fuel assembly.
For the ease of handling, lower house being also provided with length-adjustable bracing or strutting arrangement 13, for connecting lower house and bracing frame during vertical operation, the perpendicular attitude of bracing frame 5 can being ensured.
The two ends of upper shell 1 and lower house 2 are respectively equipped with stiffening plate 4, for absorbing the impact energy of end, and protection cask.
Upper shell 1 top is provided with placing rack 3, for stacking and hoisting conveyance.
Support leg 12 is provided with, for support vessels during loading and unloading nuclear fuel assembly bottom lower house 2.
In sum, because upper shell and lower house are connected to form a closed housing, ensure that nuclear fuel assembly can not be scattering into the outside of container when there is traffic hazard; Again because be provided with shock attenuation device below the bracing frame of loaded with nuclear fuel assembly, alleviate the impact that the vibration that produces in transportation causes nuclear fuel assembly in cask; It is hinged that back shaft is passed through in one end of bracing frame and one end of shock attenuation device, and bracing frame can be overturn by back shaft, is convenient to the vertical handling of fuel assembly and the operation of horizontal transport two kinds of operating modes; Bracing frame is provided with fender, solves the protection question perpendicular to the shock load of fuel assembly axis in transportation, can nuclear fuel assembly be protected.
As shown in Figure 3,4, during loaded with nuclear fuel assembly, support leg 12 is mounted to assigned position; First open the upper shell 1 of cask, the latch mechanism 11 extracting support bar out is connected with lower house 2 and fixes; Then open the bolt that bracing frame 5 is connected with shock frame 6, bracing frame 5 is turn to plumbness around back shaft 10, connect and fixed support bar 13, ensure that bracing frame 5 is vertical; Open the horizontal hold down gag 8 on bracing frame 5 and fender 9, nuclear fuel assembly is vertically positioned in bracing frame 5; The horizontal hold down gag 8 of fastening and fender 9, unclamp and the support bar 13 that fell, bracing frame 5 turn to horizontality; Bolt between bracing frame 5 and shock frame 6 is connected, ensures that bracing frame 5 is connected fastening with shock frame 6, the latch mechanism of locking support bar 11 is unclamped and playbacks; Cover upper shell 1, fastening upper shell 1 and the coupling bolt of lower house 2, dismantle or rotate or shrink support leg 12 to assigned position, complete operation; Placed to designated vehicle or assigned address by placing rack 3 hoisting conveyance.
Operating process and the loading process of unloading nuclear fuel are similar, and difference is only to be taken out in bracing frame 5 by nuclear fuel assembly when plumbness.
It should be noted that; above-mentioned embodiment is only exemplary; under above-mentioned instruction of the present invention, those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment, and these improve or distortion drops in protection scope of the present invention.It will be understood by those skilled in the art that specific descriptions are above to explain object of the present invention, not for limiting the present invention.Protection scope of the present invention is by claim and equivalents thereof.
Claims (8)
1. a nuclear fuel assembly cask, it is characterized in that: comprise upper shell (1) and lower house (2), described upper shell (1) is connected by web member with lower house (2), shock attenuation device and the bracing frame (5) for fixing nuclear fuel assembly is provided with in housing, described shock attenuation device is fixed on lower house (2), support frame as described above (5) is arranged on described shock attenuation device, one end and the shock attenuation device of bracing frame (5) are hinged, the other end and shock attenuation device are bolted, support frame as described above (5) is provided with the fender (9) of protection nuclear fuel assembly, fender (9) is fastened on the outside of bracing frame (5), fender (9) is fixed with some gussets (18), the top of fender (9) and bottom are respectively equipped with top support plate (14) and lateral bolster fagging (15), described top support plate (14) is connected with top-support (16) and side supports (17) respectively with lateral bolster fagging (15), described top-support (16) is fixedly connected with bracing frame (5) respectively with side supports (17).
2. nuclear fuel assembly cask as claimed in claim 1, is bolted between described top support plate (14) and top-support (16); Described lateral bolster fagging (15) is flexibly connected by bearing pin with between side supports (17).
3. nuclear fuel assembly cask as claimed in claim 1, is characterized in that: support frame as described above (5) is also provided with for supporting and the horizontal hold down gag (8) of fixing nuclear fuel assembly.
4. the nuclear fuel assembly cask as described in any one of claim 1-3, is characterized in that: the two ends of described upper shell (1) and lower house (2) are respectively equipped with the stiffening plate (4) for absorbing end impact energy.
5. nuclear fuel assembly cask as claimed in claim 4, it is characterized in that: also comprise for ensureing bracing frame (5) perpendicular attitude and length-adjustable bracing or strutting arrangement (13) during vertical operation, described bracing or strutting arrangement (13) is fixed on described lower house.
6. nuclear fuel assembly cask as claimed in claim 5, it is characterized in that: support frame as described above (5) is hinged by back shaft (10) with shock attenuation device, and the below of back shaft (10) is provided with the latch mechanism (11) of bracing frame (5).
7. nuclear fuel assembly cask as claimed in claim 6, is characterized in that: the top of described upper shell (1) is provided with placing rack (3).
8. nuclear fuel assembly cask as claimed in claim 7, is characterized in that: described lower house (2) bottom is provided with support leg (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310415108.2A CN103474119B (en) | 2013-09-12 | 2013-09-12 | Nuclear fuel assembly cask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310415108.2A CN103474119B (en) | 2013-09-12 | 2013-09-12 | Nuclear fuel assembly cask |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103474119A CN103474119A (en) | 2013-12-25 |
| CN103474119B true CN103474119B (en) | 2016-04-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310415108.2A Active CN103474119B (en) | 2013-09-12 | 2013-09-12 | Nuclear fuel assembly cask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103474119B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104751925B (en) * | 2013-12-29 | 2017-09-29 | 西安核设备有限公司 | A kind of CNFC 3G fresh fuels shipping container manufacture method |
| CN104952503A (en) * | 2015-05-25 | 2015-09-30 | 中国核电工程有限公司 | Spherical nuclear fuel element transportation container |
| CN212365529U (en) * | 2018-11-26 | 2021-01-15 | 中广核研究院有限公司 | Fuel assembly transport container and outer protection device thereof |
| GB2591527B (en) * | 2018-11-26 | 2022-05-04 | China Nuclear Power Technology Res Inst Co Ltd | Fuel assembly transport container and support assembly thereof |
| CN111095436B (en) * | 2018-11-26 | 2023-05-02 | 中广核研究院有限公司 | Fuel assembly transport container |
| CN111095435B (en) * | 2018-11-26 | 2023-08-25 | 中广核研究院有限公司 | Fuel assembly transport container and bottom sealing device thereof |
| CN113316548B (en) * | 2020-04-08 | 2023-03-24 | 中广核研究院有限公司 | Transportation fixing method and system for fuel assembly transportation container |
| WO2021203331A1 (en) * | 2020-04-08 | 2021-10-14 | 中广核研究院有限公司 | Support rod quick locking device and method, fuel assembly transportation container |
| CN112017803B (en) * | 2020-07-23 | 2023-03-24 | 中国核电工程有限公司 | Nuclear fuel assembly axial fixing device and transport container |
| CN112071460B (en) * | 2020-07-28 | 2022-11-25 | 中国核电工程有限公司 | Pressing device of new fuel assembly and transport container |
| CN113161031B (en) * | 2021-04-26 | 2022-02-11 | 中国核动力研究设计院 | Buffer frame for cylindrical transport container |
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|---|---|---|---|---|
| CN1296625A (en) * | 1998-02-10 | 2001-05-23 | 法玛通公司 | Transport container for nuclear fuel assemblies |
| CN101060020A (en) * | 2006-04-18 | 2007-10-24 | 西屋电气有限责任公司 | Shipping package device up-ender |
| CN102332316A (en) * | 2010-07-12 | 2012-01-25 | 韩电原子力燃料株式会社 | Lid frame for nuclear fuel assembly shipping container and shipping container for nuclear fuel assemblies |
| CN102332317A (en) * | 2010-07-12 | 2012-01-25 | 韩电原子力燃料株式会社 | Lid frame for nuclear fuel assembly shipping container and shipping container for nuclear fuel assemblies |
| CN102881345A (en) * | 2012-09-21 | 2013-01-16 | 中国核电工程有限公司 | Multi-point locked double-cover sealing device |
| CN203503312U (en) * | 2013-09-12 | 2014-03-26 | 中国核电工程有限公司 | Transport container for nuclear fuel assembly |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2967124B2 (en) * | 1990-10-26 | 1999-10-25 | 三菱原子燃料株式会社 | Fuel assembly transport container |
| JP2004069646A (en) * | 2002-08-09 | 2004-03-04 | Nuclear Fuel Ind Ltd | Vessel for transporting nuclear fuel assembly |
| JP2008224460A (en) * | 2007-03-13 | 2008-09-25 | Ihi Corp | Canister storage container |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1296625A (en) * | 1998-02-10 | 2001-05-23 | 法玛通公司 | Transport container for nuclear fuel assemblies |
| CN101060020A (en) * | 2006-04-18 | 2007-10-24 | 西屋电气有限责任公司 | Shipping package device up-ender |
| CN102332316A (en) * | 2010-07-12 | 2012-01-25 | 韩电原子力燃料株式会社 | Lid frame for nuclear fuel assembly shipping container and shipping container for nuclear fuel assemblies |
| CN102332317A (en) * | 2010-07-12 | 2012-01-25 | 韩电原子力燃料株式会社 | Lid frame for nuclear fuel assembly shipping container and shipping container for nuclear fuel assemblies |
| CN102881345A (en) * | 2012-09-21 | 2013-01-16 | 中国核电工程有限公司 | Multi-point locked double-cover sealing device |
| CN203503312U (en) * | 2013-09-12 | 2014-03-26 | 中国核电工程有限公司 | Transport container for nuclear fuel assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103474119A (en) | 2013-12-25 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Xiaoming Inventor after: Xiang Qiulin Inventor after: Wang Xiaojiang Inventor after: Yi Xuan Inventor after: Bai Yumeng Inventor after: Zhong Lihe Inventor after: Wang Jun Inventor after: Wang Bingheng Inventor after: Luo Wei Inventor after: Zhang Shuangwang Inventor after: Liu Shubin Inventor after: Sun Yubao Inventor after: Li Ning Inventor after: Liu Huifang Inventor after: Lu Keke Inventor after: Wang Qing Inventor after: Xie Liang Inventor after: Wu Ming Inventor after: Tang Xinggui Inventor after: Yao Lin Inventor after: Zhang Hongjun Inventor after: Sheng Feng Inventor before: Wang Qing Inventor before: Wang Jun Inventor before: Wang Bingheng Inventor before: Sun Yubao Inventor before: Xiang Qiulin Inventor before: Zhang Shuangwang Inventor before: Liu Shubin Inventor before: Li Ning Inventor before: Liu Huifang Inventor before: Lu Keke Inventor before: Xie Liang Inventor before: Wu Ming Inventor before: Tang Xinggui Inventor before: Yao Lin Inventor before: Zhang Hongjun Inventor before: Sheng Feng Inventor before: Wang Xiaojiang Inventor before: Yi Xuan |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WANG QING XIE LIANG WU MING TANG XINGGUI YAO LIN ZHANG HONGJUN SHENG FENG WANG XIAOJIANG YI XUAN WANG JUN WANG BINGHENG SUN YUBAO XIANG QIULIN ZHANG SHUANGWANG LIU SHUBIN LI NING LIU HUIFANG LU KEKE TO: LI XIAOMING SUN YUBAO WANG QING XIE LIANG WU MING TANG XINGGUI YAO LIN ZHANG HONGJUN SHENG FENG XIANG QIULIN WANG XIAOJIANG YI XUAN BAI YUMENG ZHONG LIHE WANG JUN WANG BINGHENG LUO WEI ZHANG SHUANGWANG LIU SHUBIN LI NING LIU HUIFANG LU KEKE |
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| ASS | Succession or assignment of patent right |
Owner name: CNNC JIANZHONG NUCLEAR FUEL CO., LTD. Effective date: 20140213 |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20140213 Address after: 100840 Beijing West Third Ring Road, Haidian District, No. 117 Applicant after: China Nuclear Power Engineering Co., Ltd. Applicant after: CNNC nuclear fuel source Co., Ltd. Address before: 100840 Beijing West Third Ring Road, Haidian District, No. 117 Applicant before: China Nuclear Power Engineering Co., Ltd. |
|
| CI01 | Correction of invention patent gazette |
Correction item: Applicant|Address|Applicant Correct: China Nuclear Power Engineering Co| 100840, No. 117 West Third Ring Road, Beijing, Haidian District|China Jianzhong Nuclear Fuel Co., Ltd. False: China Nuclear Power Engineering Co| 100840, No. 117 West Third Ring Road, Beijing, Haidian District|CNNC nuclear fuel source Co., Ltd. Number: 11 Volume: 30 |
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| ERR | Gazette correction | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |