CN107627278B - In-plant storage and transportation box for small uranium hexafluoride container - Google Patents
In-plant storage and transportation box for small uranium hexafluoride container Download PDFInfo
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- CN107627278B CN107627278B CN201710914136.7A CN201710914136A CN107627278B CN 107627278 B CN107627278 B CN 107627278B CN 201710914136 A CN201710914136 A CN 201710914136A CN 107627278 B CN107627278 B CN 107627278B
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Abstract
The invention provides an in-plant storage and transportation box for a small uranium hexafluoride container, wherein the bottom of an outer cage frame of the in-plant storage and transportation box is fixed on a chassis; the base is embedded into the center of the chassis, the uranium hexafluoride container to be transported is placed at the center of the external cage, and the bottom of the uranium hexafluoride container is inserted into the base; the support is sleeved at the middle upper part of the uranium hexafluoride container and is close to the handle of the uranium hexafluoride container; the gland is pressed on a handle of the uranium hexafluoride container and is fixedly connected with the support; the two sides of the support are respectively provided with a U-shaped notch, the two sides of the gland are respectively provided with a U-shaped notch, and the size and the position of the U-shaped notch of the gland are the same as those of the U-shaped notch on the support. The invention effectively solves the problems of nuclear critical safety and inner container leakage when the small uranium hexafluoride container is transported and stored, and the device has the characteristics of simple structure, simple and convenient operation, strong pertinence, safety, reliability and the like.
Description
Technical Field
The invention belongs to a nuclear fuel transportation system, and relates to an in-plant storage and transportation box for a small uranium hexafluoride container.
Background
Uranium hexafluoride product containers are important devices in nuclear fuel transportation systems, and such containers present two risks in transport and storage. On one hand, the inner container has critical safety risks, and on the other hand, the product contained in the inner container is a highly hazardous medium, so that once the container leaks in the using process, the risk of great harm to the surrounding environment and personnel is caused. In order to prevent the risks, a storage and transportation box is required to be arranged outside the uranium hexafluoride container during transportation and storage, and the storage and transportation box can absorb most of impact energy through local deformation of the storage and transportation box under accident conditions, so that the distance between the uranium hexafluoride containers does not exceed a critical safety distance, and the leakage of the inner container is avoided. At present, no storage and transportation box used in a small uranium hexafluoride container plant is available in China.
Disclosure of Invention
The invention aims to provide an in-plant storage and transportation box for a small uranium hexafluoride container, which is used for ensuring the safety of the uranium hexafluoride container in-plant transportation and storage processes and preventing nuclear critical safety and leakage risks. The small uranium hexafluoride container is cylindrical, the diameter of the cylindrical barrel is small, the volume is correspondingly small, and the diameter range is usually within 8 inches.
The technical scheme for realizing the purpose of the invention is as follows: an in-plant storage and transportation box for small uranium hexafluoride containers comprises an external cage, wherein the bottom of the external cage is fixed on a chassis; the base is embedded into the center of the chassis, the uranium hexafluoride container to be transported is placed at the center of the external cage, and the bottom of the uranium hexafluoride container is inserted into the base; the support is sleeved at the middle upper part of the uranium hexafluoride container and is close to the handle of the uranium hexafluoride container; the gland is pressed on a handle of the uranium hexafluoride container and is fixedly connected with the support; the two sides of the support are respectively provided with a U-shaped notch, the two sides of the gland are respectively provided with a U-shaped notch, and the size and the position of the U-shaped notch of the gland are the same as those of the U-shaped notch on the support; the U-shaped notch of rotatory gland messenger gland is the same with the U-shaped notch position of support, through the fastener with support and gland fastening connection to the realization is to the fixed protection of uranium hexafluoride container.
An in-plant storage and transportation bin for a small uranium hexafluoride vessel, as described above, wherein said fasteners comprise swing bolts and wing nuts; and the U-shaped notch is provided with the swing bolt, and the support and the gland are tightly connected by screwing the butterfly nut on the swing bolt, so that the uranium hexafluoride container is fixedly protected.
According to the in-plant storage and transportation box for the small uranium hexafluoride container, the two sides of each U-shaped notch of the support are respectively welded with the support block, the center of each support block is provided with the round hole, the swing bolt penetrates through the U-shaped notch of the gland and the U-shaped notch of the support, the hinge pin penetrates through the round holes formed in the support blocks to fix the swing bolt between the two support blocks, and the hinge pin is locked by the split pin, so that the swing bolt can rotate around the hinge pin, and the swing bolt does not fall off.
The in-plant storage and transportation box for the small uranium hexafluoride container comprises a gland, a handle and a bent plate, wherein the gland comprises a rib plate, the handle and the bent plate; the bent plate is in a structure like a Chinese character 'ji', a round hole is formed in the center of the bent plate, and the diameter of the round hole is slightly larger than that of the uranium hexafluoride container protection cover; the flat plates on the two sides of the bent plate are arc plates, and the arc plates are respectively provided with a U-shaped notch, and the size and the position of the U-shaped notch are the same as those of the U-shaped notch on the support; two rib plates are welded on two sides of the bent plate respectively, and a handle is welded on two sides of the bent plate respectively to facilitate the operation of the gland.
The in-plant storage and transportation box for the small uranium hexafluoride container comprises an outer cage, a plurality of vertical pipes I, a plurality of vertical pipes II and a plurality of vertical pipes II, wherein the outer cage comprises four circular rings and six vertical pipes I; the four rings are respectively a ring I, a ring II, a ring III and a ring IV from top to bottom, six round holes are uniformly distributed in the middle of the ring II and the ring III on the axis of the round pipe parallel to the axial direction of the rings, and the diameter of each round hole is slightly larger than that of the vertical pipe I so that the six vertical pipes I can penetrate into the round holes; six standpipe I are through penetrating ring II and ring III's round hole after, both ends are connected with ring I and ring IV respectively, form cylindrical cage structure.
The in-plant storage and transportation box for the small uranium hexafluoride container is characterized in that the base plate of the in-plant storage and transportation box is radially connected with a circular ring IV at the bottom of an external cage through six short pipes I; the chassis is axially connected with the support through four vertical pipes II.
The in-plant storage and transportation box for the small uranium hexafluoride container is characterized in that the base plate is of a groove shape, and a circular hole is formed in the center; the base is of a groove shape, a round hole is formed in the center of the base, and the diameter of the round hole is the same as that of the round hole in the center of the chassis; the chassis is fixedly connected with the base through screws.
According to the in-plant storage and transportation box for the small uranium hexafluoride container, the support is in a flange structure, is connected with the chassis through the four vertical pipes II, and is connected with the ring III of the external cage through the six short pipes II.
The in-plant storage and transportation box for the small uranium hexafluoride container is characterized in that a round hole is formed in the center of the support, and the diameter of the round hole is slightly larger than the outer diameter of the barrel body of the uranium hexafluoride container.
The invention has the following effects: the in-plant storage and transportation box for the small uranium hexafluoride container effectively solves the problems of nuclear critical safety and inner container leakage during transportation and storage of the small uranium hexafluoride container. Aiming at the transport accident working condition in a small uranium hexafluoride container factory, the transport and storage box in the factory absorbs most of impact energy through local deformation of the transport and storage box (namely, the transport and storage box has the main function of withstanding impact or impact when an accident happens, and deformation mainly occurs on the transport and storage box, so that a uranium hexafluoride container in the transport and storage box is effectively protected, and safe transport and storage in the small uranium hexafluoride container factory are realized. At present, the device passes through dynamic impact simulation analysis under the condition of 1.5m free fall, and has the characteristics of simple structure, simplicity and convenience in operation, strong pertinence, safety, reliability and the like.
Drawings
FIG. 1 is a schematic representation of an in-plant transport and storage container for a small uranium hexafluoride vessel according to the present invention;
FIG. 2 is a front view of the holder;
FIG. 3 is a bottom view of the bracket;
FIG. 4 is a schematic view of a gland;
FIG. 5 is a schematic view of the base plate;
FIG. 6 is a schematic view of a base;
FIG. 7 is a schematic view of the base and chassis connection;
figure 8 is a schematic view of the gland and seat connection.
In the figure: 1. a base; 2. a chassis; 3. a short pipe I; 4. a vertical pipe II; 5. a support; 6. a short pipe II; 7. a butterfly nut; 8. an eye bolt; 9. a gland; 10. a circular ring I; 11. a vertical pipe I; 12. a circular ring II; 13. a ring III; 14. a circular ring IV; 15. supporting a block; 16. a rib plate; 17. a handle; 18. bending a plate; 19. a screw; 20. a pin shaft; 21. a cotter pin; 22. a uranium hexafluoride vessel.
Detailed Description
An in-plant storage and transportation container for a small uranium hexafluoride vessel according to the present invention is further described with reference to the accompanying drawings and the specific examples.
The invention discloses a uranium hexafluoride container, which is a product container in the field of nuclear fuel production in China, and aims to prevent the problems of nuclear critical safety and inner container leakage in the transportation and storage processes of the container in a factory.
As shown in figure 1, the in-plant storage and transportation box for the small uranium hexafluoride container mainly comprises an external cage, a base 1, a chassis 2, a support 5, a gland 9, a fastener wing nut 7, an eyelet bolt 8 and the like.
The external cage frame comprises four circular rings and six vertical pipes I11; the four circular rings are respectively a circular ring I10, a circular ring II 12, a circular ring III 13 and a circular ring IV 14 from top to bottom, six circular holes are uniformly distributed in the positions of the circular tube axial lines parallel to the circular ring axial direction of the middle circular ring II 12 and the middle circular ring III 13, the diameter of each circular hole is slightly larger than that of a vertical tube I11, so that six vertical tubes I11 can penetrate through the circular holes; six standpipe I11 are through penetrating behind the round hole of ring II 12 and ring III 13, and both ends are connected with ring I10 and ring IV 14 respectively, form cylindrical cage structure.
The bottom of the external cage frame is fixed on the chassis 2; the base 1 is embedded in the centre of the chassis 2 and the uranium hexafluoride container 22 to be transported is placed in the centre of the outer cage and the bottom is inserted into the base 1. The chassis 2 is radially connected with a circular ring IV 14 at the bottom of the external cage frame through six short pipes I3; the chassis 2 is axially connected with the support 5 through four vertical pipes II 4.
As shown in fig. 5 to fig. 5, the chassis 2 is of a groove shape, and a circular hole is formed in the center; the base 1 is groove-shaped, a round hole is formed in the center, and the diameter of the round hole is the same as that of the round hole in the center of the chassis 2. The chassis 2 and the base 1 are fixedly connected through screws 19. The function of the central circular hole of the chassis 2 and the base 1 is to facilitate the drainage of rainwater or dirt.
As shown in fig. 1, 2 and 8, the support 5 is sleeved on the middle upper part of the uranium hexafluoride container 22, near the handle of the uranium hexafluoride container 22; the gland 9 is pressed on the handle of the uranium hexafluoride container 22 and is fastened to the support 5 by means of the swing bolt 8 and the wing nut 7.
The support 5 adopts a flange structure, a round hole is formed in the center of the support 5, and the diameter of the round hole is slightly larger than the outer diameter of the uranium hexafluoride container cylinder; the support 5 is connected with the chassis 2 through four vertical pipes II and is connected with a ring III 13 of an external cage through six short pipes II 6.
Two sides of the support 5 are respectively provided with a U-shaped notch, two sides of the gland 9 are respectively provided with a U-shaped notch, and the size and the position of the U-shaped notch of the gland 9 are the same as those of the U-shaped notch on the support 5. Two sides of each U-shaped notch of the support 5 are respectively welded with a support block 15, a round hole is formed in the center of each support block 15, after the swing bolt 8 penetrates through the U-shaped notch of the gland and the U-shaped notch of the support, a pin shaft 20 penetrates through the round hole formed in each support block 15 to fix the swing bolt 8 between the two support blocks 15, and the pin shaft 20 is locked by a cotter pin 21, so that the swing bolt 8 can rotate around the pin shaft 20, and the swing bolt 8 does not fall off. The gland 9 is rotated to enable the U-shaped gap of the gland to be the same as the U-shaped gap of the support, the swing bolt 8 is arranged at the U-shaped gap, the butterfly nut 7 on the swing bolt 8 is screwed down to enable the support 5 and the gland 9 to be tightly connected, and therefore the uranium hexafluoride container 22 is fixedly protected.
As shown in fig. 4, the gland 9 comprises a rib plate 16, a handle 17 and a bent plate 18; the bent plate 18 is in a structure like a Chinese character 'ji', a round hole is arranged in the center of the bent plate 18, and the diameter of the round hole is slightly larger than that of the uranium hexafluoride container protection cover; the flat plates on the two sides of the bent plate 18 are circular arc plates, and the circular arc plates are respectively provided with a U-shaped notch, and the size and the position of the U-shaped notch are the same as those of the U-shaped notch on the support 5; two rib plates 16 are welded on two sides of the bent plate 18 respectively, and a handle 17 is welded on two sides of the bent plate 18 respectively to facilitate the operation of the gland 9.
The storage and transportation box has the characteristics of simple structure, simplicity and convenience in operation, strong pertinence, safety and reliability, and can well meet the requirements of factory transportation and storage of small uranium hexafluoride containers.
Claims (6)
1. The utility model provides an in-plant storage and transportation case for small-size uranium hexafluoride container which characterized in that: the in-plant storage and transportation box comprises an external cage, wherein the bottom of the external cage is fixed on a chassis (2); the base (1) is embedded into the center of the chassis (2), the uranium hexafluoride container (22) to be transported is placed at the center of the external cage, and the bottom of the uranium hexafluoride container is inserted into the base (1);
the support (5) is sleeved at the middle upper part of the uranium hexafluoride container (22) and is close to the handle of the uranium hexafluoride container (22); the gland (9) is pressed on a handle of the uranium hexafluoride container (22) and is fixedly connected with the support (5);
two sides of the support (5) are respectively provided with a U-shaped notch, two sides of the gland (9) are respectively provided with a U-shaped notch, and the size and the position of the U-shaped notch of the gland (9) are the same as those of the U-shaped notch on the support (5); the gland (9) is rotated to enable the U-shaped gap of the gland to be the same as the U-shaped gap of the support, and the support (5) is fixedly connected with the gland (9) through a fastener, so that the uranium hexafluoride container (22) is fixedly protected;
the fastener comprises a swing bolt (8) and a butterfly nut (7); the U-shaped notch is provided with an eyelet bolt (8), and the support (5) and the gland (9) are tightly connected by screwing a butterfly nut (7) on the eyelet bolt (8), so that the uranium hexafluoride container (22) is fixedly protected;
the gland (9) comprises a rib plate (16), a handle (17) and a bent plate (18); the bent plate (18) is of a structure like a Chinese character 'ji', a round hole is formed in the center of the bent plate (18), and the diameter of the round hole is slightly larger than that of the uranium hexafluoride container protection cover; the flat plates on the two sides of the bent plate (18) are arc plates, and the arc plates are respectively provided with a U-shaped notch, and the size and the position of the U-shaped notch are the same as those of the U-shaped notch on the support (5); two rib plates (16) are respectively welded on two sides of the bent plate (18), and a handle (17) is respectively welded on two sides of the bent plate (18) to facilitate the operation of the gland (9);
the external cage comprises four circular rings and six vertical pipes I (11); the four rings are respectively a ring I (10), a ring II (12), a ring III (13) and a ring IV (14) from top to bottom, the middle ring II (12) and the ring III (13) are uniformly provided with six round holes at the positions parallel to the axial direction of the rings, and the diameter of each round hole is slightly larger than that of the vertical pipe I (11), so that the six vertical pipes I (11) can be penetrated in the round holes respectively; six standpipe I (11) are through penetrating the round hole of ring II (12) and ring III (13) after, both ends are connected with ring I (10) and ring IV (14) respectively, form cylindrical cage structure.
2. The in-plant storage and transportation bin for small uranium hexafluoride vessels of claim 1, wherein: two sides of each U-shaped notch of the support (5) are respectively welded with a support block (15), a round hole is formed in the center of each support block (15), after the swing bolt (8) penetrates through the U-shaped notch of the gland and the U-shaped notch of the support, a pin shaft (20) penetrates through the round hole formed in each support block (15) to fix the swing bolt (8) between the two support blocks (15), and the pin shaft (20) is locked by a cotter pin (21), so that the swing bolt (8) can rotate around the pin shaft (20), and the swing bolt (8) does not fall off.
3. The in-plant storage and transportation bin for small uranium hexafluoride vessels of claim 1, wherein: the chassis (2) is radially connected with a circular ring IV (14) at the bottom of the external cage frame through six short pipes I (3); the chassis (2) is axially connected with the support (5) through four vertical pipes II (4).
4. The in-plant storage and transportation bin for small uranium hexafluoride vessels of claim 1, wherein: the chassis (2) is groove-shaped, and a circular hole is formed in the center; the base (1) is groove-shaped, a round hole is formed in the center, and the diameter of the round hole is the same as that of the round hole in the center of the chassis (2); the chassis (2) is fixedly connected with the base (1) through a screw (19).
5. The in-plant storage and transportation bin for small uranium hexafluoride vessels of claim 1, wherein: support (5) adopt flange structural style, support (5) are connected with chassis (2) through four standpipe II, are connected with ring III (13) of outside cage through six nozzle stub II (6).
6. The in-plant storage and transportation bin for small uranium hexafluoride vessels of claim 1, wherein: the center of the support (5) is provided with a round hole, and the diameter of the round hole is slightly larger than the outer diameter of the uranium hexafluoride container cylinder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710914136.7A CN107627278B (en) | 2017-09-30 | 2017-09-30 | In-plant storage and transportation box for small uranium hexafluoride container |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710914136.7A CN107627278B (en) | 2017-09-30 | 2017-09-30 | In-plant storage and transportation box for small uranium hexafluoride container |
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| CN107627278A CN107627278A (en) | 2018-01-26 |
| CN107627278B true CN107627278B (en) | 2020-08-21 |
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| CN113555142A (en) * | 2021-06-18 | 2021-10-26 | 中国核电工程有限公司 | Spent fuel assembly restraint device for spent fuel transport container |
| CN115970590B (en) * | 2023-03-22 | 2023-06-13 | 中核第七研究设计院有限公司 | Contact type electric heating uranium hexafluoride feeding device |
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| CN201134275Y (en) * | 2007-10-28 | 2008-10-15 | 张智坤 | Storage device for radioactive waste |
| CN201487005U (en) * | 2009-09-01 | 2010-05-26 | 上海森松新能源设备有限公司 | Novel drop bolt structure for hydrogenation furnace |
| CN203733484U (en) * | 2014-02-21 | 2014-07-23 | 秦皇岛核风设备有限公司 | Shielding transshipment container in main-pump hydraulic component factory |
| CN204760051U (en) * | 2015-07-31 | 2015-11-11 | 浙江博凡动力装备股份有限公司 | Fixer |
| CN106287151B (en) * | 2016-09-07 | 2018-05-15 | 中国科学院长春光学精密机械与物理研究所 | Space optical remote sensor and its support device |
| CN206388510U (en) * | 2017-01-03 | 2017-08-08 | 天津泰恒达兴科技有限公司 | A kind of neutron source transfer container |
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Address after: 030012 Shanxi Province, Taiyuan city and State Road West Lane No. 9 Patentee after: China Nuclear Seventh Research and Design Institute Co.,Ltd. Address before: 030012 Shanxi Province, Taiyuan city and State Road West Lane No. 9 Patentee before: CNNC XINNENG NUCLEAR ENGINEERING CO.,LTD. |