CN218513187U - Nuclear fuel assembly transport container - Google Patents
Nuclear fuel assembly transport container Download PDFInfo
- Publication number
- CN218513187U CN218513187U CN202222267799.3U CN202222267799U CN218513187U CN 218513187 U CN218513187 U CN 218513187U CN 202222267799 U CN202222267799 U CN 202222267799U CN 218513187 U CN218513187 U CN 218513187U
- Authority
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- China
- Prior art keywords
- assembly
- inner shell
- nuclear fuel
- fuel assembly
- cavity
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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 39
- 230000000712 assembly Effects 0.000 claims abstract description 20
- 238000000429 assembly Methods 0.000 claims abstract description 20
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 3
- 239000010432 diamond Substances 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 21
- 229920001971 elastomer Polymers 0.000 claims description 14
- 239000011358 absorbing material Substances 0.000 claims description 10
- 239000007799 cork Substances 0.000 claims description 7
- 230000035939 shock Effects 0.000 claims description 7
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 5
- 239000011496 polyurethane foam Substances 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000011087 paperboard Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims 1
- 239000000446 fuel Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- 241000251468 Actinopterygii Species 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910052580 B4C Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
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- Buffer Packaging (AREA)
Abstract
The utility model provides a nuclear fuel assembly transportation container, belonging to the technical field of nuclear fuel assembly transportation equipment, comprising an outer shell component and an inner shell component, wherein the inner shell component is fixedly arranged in an inner cavity; the inner shell assemblies are two, the two inner shell assemblies are of rectangular structures, the cross sections of the inner shell assemblies are square, and the edge-to-edge sides of the two inner shell assemblies are arranged in the inner cavity of the outer shell assembly side by side, so that the cross sections of the inner shell assemblies are arranged in a diamond shape. Nuclear fuel transport container has increased the inside operating space of traditional container, and can guarantee nuclear fuel assembly's critical safety.
Description
Technical Field
The utility model belongs to the technical field of nuclear fuel assembly transportation equipment, concretely relates to nuclear fuel assembly transportation container.
Background
Nuclear fuel transport containers are used primarily for transporting nuclear fuel assemblies from a nuclear fuel plant to a nuclear power plant. Because the nuclear fuel assembly belongs to a radioactive product, under the conditions of normal transportation working conditions and transportation accident working conditions, the container can ensure the integrity of a containment system and the critical safety of the fuel assembly, thereby ensuring the safety.
The transportation container for the various nuclear fuel transportation assemblies used at present has limited internal space, is inconvenient for loading and unloading the nuclear fuel assemblies, can not ensure the critical safety of the nuclear fuel assemblies after being impacted, and has lower safety.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art or not enough, the utility model provides a nuclear fuel assembly transportation container has increased the inside operable space of container, and can guarantee nuclear fuel assembly's critical safety.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the embodiment of the utility model provides a nuclear fuel assembly transportation container, which comprises an outer shell component and an inner shell component, wherein an inner cavity is arranged in the outer shell component, and the inner shell component is fixedly installed in the inner cavity;
the inner shell assemblies are two, the two inner shell assemblies are of a rectangular structure, the cross section of each inner shell assembly is square, and the edge-to-edge sides of the two inner shell assemblies are arranged in the inner cavity of each outer shell assembly side by side, so that the cross section of each inner shell assembly is in rhombic arrangement.
Further, the shell assembly comprises an upper shell assembly and a lower shell assembly, the upper shell assembly and the lower shell assembly are mutually covered to form an elliptic cylinder structure, a plurality of bolt holes are formed in two sides of the shell assembly, and two sides of the upper shell assembly and two sides of the lower shell assembly are fixedly connected through bolts.
Further, the top surface of the upper shell component is arc-shaped, the bottom surface of the upper shell component is of an inverted W-shaped structure, a cavity is arranged between the top surface and the bottom surface, and polyurethane foam materials are filled in the cavity.
Furthermore, the top surface of the lower shell component is of a U-shaped structure, the bottom surface of the lower shell component is arc-shaped, a cavity is arranged between the top surface and the bottom surface, and polyurethane foam materials are filled in the cavity.
Further, an inner cavity capable of containing the inner shell assembly is formed between the upper shell assembly and the lower shell assembly, a moderator material is arranged on the inner wall of the cavity, and a layer of ceramic fiber paperboard is arranged on the periphery of the moderator material.
Furthermore, the joints of the two sides of the upper shell component and the lower shell component are provided with dustproof sealing strips.
Furthermore, a connecting piece is arranged between the two inner shell assemblies, the cross section of the connecting piece is triangular, the bottom surface of the connecting piece is fixed on the top surface of the lower shell assembly through a rubber shock pad, moderator materials are arranged on the side surface of the connecting piece, and a quick-release device is arranged at the top of the connecting piece.
Furthermore, the inner shell assembly consists of a V-shaped base and an inverted V-shaped cover plate, one side surface of the base is fixedly connected with the side surface of the connecting piece, and the other side surface of the base is fixed on the side wall of the top surface of the lower shell assembly through a rubber shock pad.
Furthermore, the cover plate covers the base, one end of the cover plate is connected with one end of the base through a hinge, and the other end of the cover plate is connected with the quick-opening locking device at the top of the triangular connecting piece.
Further, be provided with neutron absorbing material and cork rubber pad on the inner wall of inner shell subassembly, cork rubber pad sets up the outside at neutron absorbing material.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. through arranging the inner shell assembly in the diamond shape, the operation space of the nuclear fuel assembly can be increased, and the nuclear fuel assembly is convenient to assemble and disassemble.
2. The moderator material is arranged in the shell assembly, the neutron absorbing material is arranged in the inner shell assembly, and the neutron absorbing material is matched with the moderator material, so that the critical safety of the fuel assembly is ensured.
Drawings
FIG. 1 is a structural diagram of the housing assembly in this embodiment 1;
FIG. 2 is a view showing the construction of an upper housing assembly in the embodiment 1;
FIG. 3 is a view showing the construction of the lower outer casing member and the inner casing member in the present embodiment 1;
FIG. 4 is a view showing the construction of the inner shell assembly and the connecting members in the present embodiment 1;
FIG. 5 is an expanded view of the inner shell assembly of the present embodiment;
wherein, 1, a shell component; 2. an inner shell assembly; 3. an upper housing assembly; 4. a lower housing assembly; 5. reinforcing ribs; 6. a bottom support; 7. a forklift frame; 8. a connecting member; 9. a rubber shock absorbing member; 10. a quick-opening locking device; 11. a base; 12. a cover plate; 13. an inner shell flip device; 14. and a push rod.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the present invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "upper", "lower", "left" and "right" in the present invention, if any, merely indicate that the directions of movement of the device or element are consistent with those of the drawings, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Term interpretation section: the terms "mounted," "connected," "fixed," and the like in the present invention are to be understood in a broad sense, for example, they may be fixedly connected, detachably connected, or integrated; the two elements may be connected mechanically, electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and those skilled in the art can understand the specific meaning of the terms in the present application according to the specific situation.
A typical embodiment of the present invention, as shown in fig. 1-5, is a nuclear fuel assembly transportation container, which comprises an outer shell assembly 1 and an inner shell assembly 2, wherein the inner cavity is arranged inside the outer shell assembly 1, and the inner shell assembly 2 is fixedly installed in the inner cavity.
The top surface of upper portion shell subassembly 3 is the arc, and the bottom surface is "W" type structure of invering, is equipped with the cavity between top surface and the bottom surface, the cavity intussuseption is filled with polyurethane foam, can play the effect of shock attenuation, thermal-insulated, buffering, and the density of the polyurethane material that cavity middle part and both ends were filled is different, and its both ends density is high, and middle part density is low, and high density energy-absorbing is effectual, can play better guard effect in falling perpendicularly. A plurality of reinforcing ribs 5 are provided on the top surface of the upper housing assembly for improving the structural strength of the upper housing assembly 3. The top surface of the upper shell component 3 is also provided with a lifting lug for integral hoisting of the container.
The top surface of the lower shell component 4 is of a U-shaped structure, the bottom surface of the lower shell component is arc-shaped, a cavity is arranged between the top surface and the bottom surface, polyurethane foaming materials are filled in the cavity, and the densities of the polyurethane materials filled in the middle and two ends of the cavity are different. Two ends of the bottom surface of the lower shell component 4 are provided with bottom supports 6, and a forklift frame 7 is arranged between the two bottom supports and is used for stacking and carrying the whole container.
When the upper housing component 3 and the lower housing component 4 are closed, an inner cavity capable of accommodating the inner housing component is formed between the bottom surface of the upper housing component 3 and the top surface of the lower housing component 4, a moderator material is arranged on the inner wall of the inner cavity, the moderator material is a polyethylene material in the embodiment, and a layer of ceramic fiber paperboard is arranged around the moderator material. The joints of the two sides of the upper shell assembly 3 and the lower shell assembly 4 are provided with dustproof sealing strips, and after the upper shell assembly 3 and the lower shell assembly 4 are connected through bolts, the sealing performance of an inner cavity can be ensured.
The cross section of connecting piece 8 is triangle-shaped, and its length is the same with the length of inner shell subassembly, the bottom surface of connecting piece 8 is fixed on the top surface of lower part shell subassembly 4 through rubber shock pad 9, the side of connecting piece 8 is provided with moderator material, and the top of connecting piece 8 is provided with a plurality of locking device 10 that open soon, and a plurality of locking device 10 that open soon set up along 8 length direction of connecting piece.
The inner shell assembly 2 is composed of a V-shaped base 11 and an inverted V-shaped cover plate 12, one side face of the base 11 is fixedly connected with the side face of the connecting piece 8, and the other side face of the base 11 is fixed on the side wall of the top face of the lower shell assembly 4 through a rubber shock absorption pad 9.
The cover plate 12 covers the base 11, one end of the cover plate 12 is connected with one end of the base 11 through a hinge, a locking ring is arranged at the other end of the cover plate 12, and the locking ring can be matched with a quick-opening locking device at the top of the connecting piece, so that quick opening or locking of the inner shell assembly is achieved.
Specifically, open locking device soon includes latch segment and locking base, the latch segment sets up at locking base top to rotate with the locking base and be connected, the latch segment is irregular rectangle structure, and when using, the locking ring passes the latch segment, rotates the latch segment to certain angle, and the locking ring card is between latch segment and locking base, thereby realizes the locking of inner shell subassembly, when needing to open the inner shell subassembly, only needs reverse rotation latch segment, can separate locking ring and latch segment, thereby opens the inner shell subassembly.
Be provided with neutron absorbing material and cork rubber pad on the inner wall of inner shell subassembly 2, in this embodiment neutron absorbing material is aluminium base boron carbide material, cork rubber pad sets up in neutron absorbing material's the outside, wherein neutron absorbing material and moderator material cooperation for ensure fuel assembly's critical safety, cork rubber pad can guarantee that fuel assembly is not by the fish tail.
One end of the inner shell component 2 is provided with an inner shell flip device 13 which consists of two turning plates and an end plate, wherein the two turning plates are connected into a V-shaped structure through hinges, and the peripheral sides of the end plate are connected with the turning plates through screws. One side of the inner shell flip device is rotationally connected with the base, the other side of the inner shell flip device is provided with a locking ring, and the inner shell flip device is fixed on the top of the base through the matching of the locking ring and the quick-opening locking device.
The inner shell flip device is required to be opened before the inner shell assembly is opened, after the flip device is opened, the nuclear fuel assembly operating tool is connected with the upper pipe seat of the nuclear fuel assembly to protect the fuel assembly, and then the whole inner shell assembly is opened, so that the nuclear fuel assembly cannot be damaged when the inner shell assembly is opened.
The end plate is provided with a push rod, and the push rod acts on an upper tube seat of the nuclear fuel assembly to ensure that the nuclear fuel assembly cannot move in the length direction of the inner shell.
Principle of operation
When the lifting device is used, firstly, fixing bolts on two sides of the shell component are disassembled, and the upper shell component is integrally lifted away through a lifting lug on the top of the shell component;
and turning the container over to tilt the inner shell assembly and the lower shell assembly integrally to a vertical position, so that the container meets the requirement of vertical operation of the nuclear fuel assembly.
And opening the inner shell flip device, detaching the top end plate and the ejector rod of the inner shell flip component, connecting the nuclear fuel component operating tool with the fuel component, sequentially opening the quick-opening locking device of the inner shell component from top to bottom, and opening the cover plate of the inner shell component.
After the nuclear fuel assembly is arranged in or separated from the inner shell assembly, the cover plate of the inner shell assembly is closed, the quick-opening locking device is sequentially locked, and finally the flip cover device of the inner shell is closed.
And (4) turning the container to a horizontal state, reinstalling the upper shell assembly, reinstalling the fixing bolt and installing the lead seal.
The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure, and various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Claims (10)
1. A nuclear fuel assembly transport vessel comprising an outer shell assembly having an internal cavity disposed therein and an inner shell assembly fixedly mounted within the internal cavity;
the inner shell assemblies are two, the two inner shell assemblies are of rectangular structures, the cross sections of the inner shell assemblies are square, and the edge-to-edge sides of the two inner shell assemblies are arranged in the inner cavity of the outer shell assembly side by side, so that the cross sections of the inner shell assemblies are arranged in a diamond shape.
2. A nuclear fuel assembly shipping container according to claim 1, wherein the housing assembly includes an upper housing assembly and a lower housing assembly that cover each other to form an oval cylindrical structure, the housing assembly having a plurality of bolt holes disposed on both sides thereof, and the upper and lower housing assemblies being fixedly connected on both sides thereof by bolts.
3. The nuclear fuel assembly shipping container of claim 2, wherein the top surface of the upper housing assembly is curved and the bottom surface is an inverted "W" shaped structure, with a cavity between the top and bottom surfaces, the cavity being filled with a polyurethane foam.
4. The nuclear fuel assembly shipping container of claim 2, wherein the lower housing assembly has a "U" shaped top surface and an arcuate bottom surface, and wherein a cavity is defined between the top and bottom surfaces and filled with a polyurethane foam.
5. The nuclear fuel assembly shipping container of claim 3, wherein the upper and lower outer shell components define an interior cavity therebetween for receiving the inner shell assembly, and wherein the cavity has moderator material disposed on an interior wall thereof, the moderator material having a layer of ceramic fiber paperboard disposed about the moderator material.
6. The nuclear fuel assembly shipping container of claim 2, wherein dust seals are provided at the junction of the upper housing assembly and the lower housing assembly on both sides.
7. The nuclear fuel assembly transportation vessel of claim 2, wherein a connector is provided between the two inner shell assemblies, the connector has a triangular cross section, a bottom surface of the connector is fixed to a top surface of the lower shell assembly by a rubber cushion, a side surface of the connector is provided with moderator material, and a top portion of the connector is provided with a quick release device.
8. A nuclear fuel assembly transportation vessel in accordance with claim 3, wherein the inner shell assembly comprises a V-shaped base and an inverted V-shaped cover, one side of the base is fixedly connected to the side of the connector, and the other side of the base is fixed to the side wall of the top surface of the lower shell assembly by a rubber shock pad.
9. A nuclear fuel assembly shipping container as set forth in claim 8, wherein the inverted V-shaped cover is closed over the base, one end of the cover being connected to one end of the base by a hinge, the other end of the cover being connected to the quick-open locking device at the top of the triangular connector.
10. The nuclear fuel assembly transport vessel of claim 1, wherein the inner shell assembly has neutron absorbing material and cork rubber pads disposed on an inner wall thereof, the cork rubber pads being disposed on an outer side of the neutron absorbing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222267799.3U CN218513187U (en) | 2022-08-26 | 2022-08-26 | Nuclear fuel assembly transport container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222267799.3U CN218513187U (en) | 2022-08-26 | 2022-08-26 | Nuclear fuel assembly transport container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218513187U true CN218513187U (en) | 2023-02-21 |
Family
ID=85209902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222267799.3U Active CN218513187U (en) | 2022-08-26 | 2022-08-26 | Nuclear fuel assembly transport container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218513187U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11866250B2 (en) | 2019-03-04 | 2024-01-09 | Goodpack Ibc (Singapore) Pte Ltd | Cargo unit |
| US12122555B2 (en) | 2019-05-17 | 2024-10-22 | Goodpack Ibc (Singapore) Pte. Ltd. | Shipping containers |
-
2022
- 2022-08-26 CN CN202222267799.3U patent/CN218513187U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11866250B2 (en) | 2019-03-04 | 2024-01-09 | Goodpack Ibc (Singapore) Pte Ltd | Cargo unit |
| US12122555B2 (en) | 2019-05-17 | 2024-10-22 | Goodpack Ibc (Singapore) Pte. Ltd. | Shipping containers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Patentee after: NANTONG CIMC ENERGY EQUIPMENT Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Patentee before: NANTONG CIMC ENERGY EQUIPMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: No. 429, Chenggang Road, Chongchuan District, Nantong City, Jiangsu Province 226005 Patentee after: NANTONG CIMC ENERGY EQUIPMENT Co.,Ltd. Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Patentee before: NANTONG CIMC ENERGY EQUIPMENT Co.,Ltd. |
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| CP03 | Change of name, title or address |