CN103474119A - Conveying container for nuclear fuel assemblies - Google Patents
Conveying container for nuclear fuel assemblies Download PDFInfo
- Publication number
- CN103474119A CN103474119A CN2013104151082A CN201310415108A CN103474119A CN 103474119 A CN103474119 A CN 103474119A CN 2013104151082 A CN2013104151082 A CN 2013104151082A CN 201310415108 A CN201310415108 A CN 201310415108A CN 103474119 A CN103474119 A CN 103474119A
- Authority
- CN
- China
- Prior art keywords
- nuclear fuel
- fuel assembly
- bracing frame
- cask
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000003758 nuclear fuel Substances 0.000 title claims abstract description 60
- 230000000712 assembly Effects 0.000 title abstract 10
- 238000000429 assembly Methods 0.000 title abstract 10
- 230000035939 shock Effects 0.000 claims description 31
- 238000013016 damping Methods 0.000 abstract description 8
- 239000000446 fuel Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 abstract 1
- 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
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The invention relates to a conveying container for nuclear fuel assemblies. The conveying container for the nuclear fuel assemblies comprises an upper casing (1) and a lower casing (2) which are connected through a connecting component; a damping device and a supporting frame (5) which is used for fixing the nuclear fuel assemblies are arranged inside a casing; the damping device is fixedly connected to the lower casing (2); the supporting frame (5) is arranged on the damping device; one end of the supporting frame is hinged to the damping device; the other end of the supporting frame is connected with the damping device through bolts; a protective plate which is used for protecting the nuclear fuel assemblies is arranged on the supporting frame (5). According to the technical scheme, the conveying container for the nuclear fuel assemblies has the advantages of reducing vibration influences generated during the conveying process to the nuclear fuel assemblies in the conveying container; being good in damping performance and easy to operate; solving the problem of protecting impulsive loads which are vertical to the axial direction of the fuel assemblies during the conveying process of the nuclear fuel assemblies and guaranteeing conveying safety of the nuclear fuel assemblies.
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 to guarantee the safety of transportation in transportation, under the normal transport condition, guarantee that the accekeration of nuclear fuel assembly is less than its limit value requirement; To guarantee that under the shipping accident condition nuclear fuel assembly is included in cask inside, can not be scattering into the cask outside, to avoid danger.
The cask of the nuclear fuel assembly used at present, the inventor finds that in prior art, at least there are the following problems: lack and be specially adapted for the nuclear fuel assembly cask, 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, can alleviate the impact that the vibration that produces in transportation causes nuclear fuel assembly in cask, damping performance is good, easily operate, and can guarantee the transportation safety of nuclear fuel assembly.
For reaching above purpose, the technical solution used in the present invention is: a kind of nuclear fuel assembly cask is provided, comprise upper shell and lower house, described upper shell is connected by web member with lower house, be provided with shock attenuation device in housing and for the fixing bracing frame of nuclear fuel assembly, 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 side supports with top-support respectively with the lateral bolster fagging, and described top-support is fixedly connected with bracing frame respectively with side supports.
Further, between described top support plate and top-support, be bolted; Between described lateral bolster fagging and side supports, by bearing pin, be flexibly connected.
Further, support frame as described above is provided with for supporting and reaches the fixedly horizontal hold down gag of nuclear fuel assembly.
Further, the two ends of described upper shell and lower house are respectively equipped with for absorbing the stiffening plate of end impact energy.
Further, guarantee bracing frame perpendicular attitude and length-adjustable bracing or strutting arrangement while also comprising for vertical operation, described bracing or strutting arrangement is fixed on described lower house.
Further, support frame as described above and shock attenuation device are hinged by back shaft, and 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, described lower house bottom is provided with support leg.
Useful technique effect of the present invention is:
(1) by be provided with bracing frame and shock attenuation device in upper shell and lower house, nuclear fuel assembly is loaded in bracing frame, bracing frame is arranged on shock attenuation device, guaranteed the safety and stability in the nuclear fuel assembly transportation;
(2) by be provided with fender on bracing frame, solved in transportation the protection question of axial shock load perpendicular to fuel assembly, can protect nuclear fuel assembly;
(3) be provided with stiffening plate by the end at lower house and upper shell, can be used in the impact energy that absorbs end, the protection cask;
(4) an end employing back shaft and the shock attenuation device of bracing frame are hinged, can be overturn, and are convenient to the handling of fuel assembly.
The accompanying drawing explanation
The side view that Fig. 1 is nuclear fuel assembly cask of the present invention;
The partial sectional view that Fig. 2 is 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;
The structural representation that Fig. 5 is 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 is used in combination.
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, be provided with shock attenuation device in housing and for the fixing bracing frame 5 of nuclear fuel assembly, 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 an end of bracing frame 5 and shock frame 6 are hinged by back shaft 10, and the other end is connected by swing bolt with shock frame 6.Wherein, the below of back shaft 10 also is provided with the latch mechanism 11 of bracing frame 5, when vertical handling, connects lower house 2 and shock frame 6, realizes the fixed support of bracing frame 5 while being convenient to vertically load and unload.
For the ease of handling, also be provided with length-adjustable bracing or strutting arrangement 13 on lower house, connect lower house and bracing frame during for vertical operation, can guarantee the perpendicular attitude of bracing frame 5.
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 the protection cask.
In sum, because upper shell and lower house are connected to form the housing of a sealing, guarantee that, when accident, nuclear fuel assembly can not be scattering into the outside of container; Again because be provided with shock attenuation device below the bracing frame of loaded with nuclear fuel assembly, alleviated the impact that the vibration that produces in the transportation causes nuclear fuel assembly in cask; One end of bracing frame and an end of shock attenuation device are hinged by back shaft, and bracing frame can be overturn by back shaft, is convenient to the vertical handling of fuel assembly and the operation of two kinds of operating modes of horizontal transport; Be provided with fender on bracing frame, solved in transportation the protection question of axial shock load perpendicular to fuel assembly, can protect nuclear fuel assembly.
As shown in Figure 3,4, during the loaded with nuclear fuel assembly, support leg 12 is mounted to assigned position; At first open the upper shell 1 of cask, the latch mechanism 11 of extracting support bar out is connected and fixes with lower house 2; 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, guarantee that bracing frame 5 is vertical; Open horizontal hold down gag 8 and fender 9 on bracing frame 5, nuclear fuel assembly vertically is positioned in bracing frame 5; The horizontal hold down gag 8 of fastening and fender 9, unclamp and the support bar 13 that fell, and bracing frame 5 is turn to horizontality; Bolt between bracing frame 5 and shock frame 6 is connected, guarantee that bracing frame 5 is connected with shock frame 6 fastening, the latch mechanism of locking support bar 11 is unclamped and playbacks; Cover upper shell 1, the coupling bolt of fastening upper shell 1 and lower house 2, dismantle or rotate or shrink support leg 12 to assigned position, complete operation; By placing rack 3 hoisting conveyances to designated vehicle or assigned address, place.
Operating process and the loading process of unloading nuclear fuel are similar, distinguish and only to be when plumbness nuclear fuel assembly from the interior taking-up of bracing frame 5.
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 improvement or distortion drop in protection scope of the present invention.It will be understood by those skilled in the art that top specific descriptions are just in order to explain purpose of the present invention, not for limiting the present invention.Protection scope of the present invention is limited by claim and equivalent thereof.
Claims (9)
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), be provided with shock attenuation device in housing and for the fixing bracing frame of nuclear fuel assembly (5), 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), be fixed with some gussets (18) on fender (3).
2. nuclear fuel assembly cask as claimed in claim 1; the top of described 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 side supports (17) with top-support (16) respectively with lateral bolster fagging (15), and described top-support (16) is fixedly connected with bracing frame (5) respectively with side supports (17).
3. nuclear fuel assembly cask as claimed in claim 2, be bolted between described top support plate (14) and top-support (16); Between described lateral bolster fagging (15) and side supports (17), by bearing pin, be flexibly connected.
4. nuclear fuel assembly cask as claimed in claim 1, is characterized in that: also be provided with on support frame as described above (5) for supporting and reach the fixedly horizontal hold down gag (8) of nuclear fuel assembly.
5. nuclear fuel assembly cask as described as claim 1-4 any one, it 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 the end impact energy.
6. nuclear fuel assembly cask as claimed in claim 5, it is characterized in that: guarantee bracing frame (5) perpendicular attitude and length-adjustable bracing or strutting arrangement (13) while also comprising for vertical operation, described bracing or strutting arrangement (13) is fixed on described lower house.
7. nuclear fuel assembly cask as claimed in claim 6 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).
8. nuclear fuel assembly cask as claimed in claim 7, it is characterized in that: the top of described upper shell (1) is provided with placing rack (3).
9. nuclear fuel assembly cask as claimed in claim 8, is characterized in that: be provided with support leg (12) bottom described lower house (2).
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 |
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| Publication Number | Publication Date |
|---|---|
| CN103474119A true CN103474119A (en) | 2013-12-25 |
| CN103474119B CN103474119B (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310415108.2A Active CN103474119B (en) | 2013-09-12 | 2013-09-12 | Nuclear fuel assembly cask |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104751925A (en) * | 2013-12-29 | 2015-07-01 | 西安核设备有限公司 | Manufacturing method for CNFC-3G new fuel transportation container |
| CN104952503A (en) * | 2015-05-25 | 2015-09-30 | 中国核电工程有限公司 | Spherical nuclear fuel element transportation container |
| CN111095434A (en) * | 2018-11-26 | 2020-05-01 | 中广核研究院有限公司 | Fuel assembly transport container and support assembly therefor |
| CN111095436A (en) * | 2018-11-26 | 2020-05-01 | 中广核研究院有限公司 | Fuel assembly shipping container |
| CN111095435A (en) * | 2018-11-26 | 2020-05-01 | 中广核研究院有限公司 | Fuel assembly transport container and bottom sealing device thereof |
| WO2020107178A1 (en) * | 2018-11-26 | 2020-06-04 | 中广核研究院有限公司 | Fuel assembly transport container and outer protective device therefor |
| CN112017803A (en) * | 2020-07-23 | 2020-12-01 | 中国核电工程有限公司 | Nuclear fuel assembly axial fixing device and transport container |
| CN112071460A (en) * | 2020-07-28 | 2020-12-11 | 中国核电工程有限公司 | Pressing device of new fuel assembly and transport container |
| CN113161031A (en) * | 2021-04-26 | 2021-07-23 | 中国核动力研究设计院 | Buffer frame for cylindrical transport container |
| CN113302705A (en) * | 2020-04-08 | 2021-08-24 | 中广核研究院有限公司 | Quick locking device and method for support rod and fuel assembly transportation container |
| WO2021203334A1 (en) * | 2020-04-08 | 2021-10-14 | 中广核研究院有限公司 | Transport fixing method and system for fuel assembly transport container |
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Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104751925A (en) * | 2013-12-29 | 2015-07-01 | 西安核设备有限公司 | Manufacturing method for CNFC-3G new fuel transportation container |
| 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 |
| GB2591527B (en) * | 2018-11-26 | 2022-05-04 | China Nuclear Power Technology Res Inst Co Ltd | Fuel assembly transport container and support assembly thereof |
| GB2591828A (en) * | 2018-11-26 | 2021-08-11 | China Nuclear Power Technology Res Inst Co Ltd | Fuel assembly transport container |
| CN111095435A (en) * | 2018-11-26 | 2020-05-01 | 中广核研究院有限公司 | Fuel assembly transport container and bottom sealing device thereof |
| WO2020107179A1 (en) * | 2018-11-26 | 2020-06-04 | 中广核研究院有限公司 | Fuel assembly transport container and supporting assembly therefor |
| WO2020107178A1 (en) * | 2018-11-26 | 2020-06-04 | 中广核研究院有限公司 | Fuel assembly transport container and outer protective device therefor |
| WO2020107180A1 (en) * | 2018-11-26 | 2020-06-04 | 中广核研究院有限公司 | Fuel assembly transport container |
| WO2020107183A1 (en) * | 2018-11-26 | 2020-06-04 | 中广核研究院有限公司 | Fuel assembly transport container and bottom sealing device thereof |
| CN111095434B (en) * | 2018-11-26 | 2023-08-25 | 中广核研究院有限公司 | Fuel assembly transport container and support assembly therefor |
| 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 |
| CN111095436B (en) * | 2018-11-26 | 2023-05-02 | 中广核研究院有限公司 | Fuel assembly transport container |
| GB2591527A (en) * | 2018-11-26 | 2021-08-04 | China Nuclear Power Technology Res Inst Co Ltd | Fuel assembly transport container and supporting assembly therefor |
| CN111095436A (en) * | 2018-11-26 | 2020-05-01 | 中广核研究院有限公司 | Fuel assembly shipping container |
| GB2591828B (en) * | 2018-11-26 | 2022-05-18 | China Nuclear Power Technology Res Inst Co Ltd | Fuel assembly transport container |
| CN111095434A (en) * | 2018-11-26 | 2020-05-01 | 中广核研究院有限公司 | Fuel assembly transport container and support assembly therefor |
| WO2021203334A1 (en) * | 2020-04-08 | 2021-10-14 | 中广核研究院有限公司 | Transport fixing method and system for fuel assembly transport 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 |
| CN113302705A (en) * | 2020-04-08 | 2021-08-24 | 中广核研究院有限公司 | Quick locking device and method for support rod and fuel assembly transportation container |
| CN113302705B (en) * | 2020-04-08 | 2023-04-11 | 中广核研究院有限公司 | Quick locking device and method for support rod and 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 |
| CN112017803A (en) * | 2020-07-23 | 2020-12-01 | 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 |
| CN112071460A (en) * | 2020-07-28 | 2020-12-11 | 中国核电工程有限公司 | Pressing device of new fuel assembly and transport container |
| CN113161031A (en) * | 2021-04-26 | 2021-07-23 | 中国核动力研究设计院 | Buffer frame for cylindrical transport container |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103474119B (en) | 2016-04-27 |
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| C53 | Correction of patent of 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. |
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| CI01 | Publication of corrected invention patent application |
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 |