CN112017803A - Nuclear fuel assembly axial fixing device and transport container - Google Patents
Nuclear fuel assembly axial fixing device and transport container Download PDFInfo
- Publication number
- CN112017803A CN112017803A CN202010727622.XA CN202010727622A CN112017803A CN 112017803 A CN112017803 A CN 112017803A CN 202010727622 A CN202010727622 A CN 202010727622A CN 112017803 A CN112017803 A CN 112017803A
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- axial
- pressing
- nuclear fuel
- flange
- fuel assembly
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F5/00—Transportable or portable shielded containers
- G21F5/015—Transportable or portable shielded containers for storing radioactive sources, e.g. source carriers for irradiation units; Radioisotope containers
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F5/00—Transportable or portable shielded containers
- G21F5/06—Details of, or accessories to, the containers
-
- 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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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention provides an axial fixing device for a nuclear fuel assembly and a transport container. The axial fixing device comprises: the cover comprises a cover body, flanges arranged on the periphery of the cover body and an axial pressing mechanism arranged at the bottom of the cover body; the axial pressing mechanism is used for pressing and fixing the nuclear fuel assembly along the axial direction. According to the axial fixing device, the axial pressing mechanism is arranged at the bottom of the cover body, and when the axial fixing device is arranged on the nuclear fuel transport container, the axial pressing mechanism can axially press and fix the nuclear fuel assembly in the transport container, so that the loading and unloading efficiency of the transport container can be improved in the loading process of the nuclear fuel assembly, and meanwhile, the safety of the nuclear fuel assembly in the transport process is ensured.
Description
Technical Field
The invention relates to the technical field of appliance structures, in particular to an axial fixing device for a nuclear fuel assembly and a transport container.
Background
The transportation safety of radioactive materials such as nuclear fuel needs to be guaranteed in the transportation process, namely, the transportation container meets related requirements under accident conditions specified by the regulatory standards. At the same time, it is desirable to ensure as easy and simple as possible handling of the nuclear fuel assemblies for transport. Therefore, suitable nuclear fuel assembly fixtures need to be considered during the design of the shipping container to ensure safe shipping of the nuclear fuel assemblies within the shipping container under normal shipping conditions.
However, in the course of realizing the safe transportation of nuclear fuel as described above, the related art provides only a fixing device applied to a general scene, and lacks a fixing device specifically adapted to a nuclear fuel assembly.
Disclosure of Invention
The present invention has been made to solve, at least in part, the technical problems occurring in the prior art.
The technical scheme adopted for solving the technical problem of the invention is as follows:
the invention provides an axial fixing device for a nuclear fuel assembly, which comprises: the cover comprises a cover body, flanges arranged on the periphery of the cover body and an axial pressing mechanism arranged at the bottom of the cover body; the axial pressing mechanism is used for pressing and fixing the nuclear fuel assembly along the axial direction.
Optionally, the axial compression mechanism comprises: the device comprises a fixed frame, a pressing frame, a plurality of connecting rods, a pressing piece and a plurality of adjustable supporting rods, wherein the pressing frame is located below the fixed frame and is arranged opposite to the fixed frame, the connecting rods are connected with the fixed frame and the pressing frame at two ends respectively, the pressing piece is located inside the pressing frame, and the adjustable supporting rods are arranged on the pressing piece.
Optionally, the side wall of the fixed frame is transversely provided with a plurality of threaded through holes, and the inner side of the flange is transversely provided with a plurality of corresponding threaded blind holes, so that the fixed frame is connected with the flange through bolts.
Optionally, a plurality of cushion blocks are arranged in the fixed frame, and the upper surfaces of the cushion blocks are slightly higher than the upper surface of the fixed frame.
Optionally, the axial compression mechanism further comprises: and the supporting piece is arranged on the pressing piece.
Optionally, two sets of axial pressing mechanisms are adopted, and the two sets of axial pressing mechanisms are symmetrically arranged at the bottom of the cover body.
Optionally, the flange comprises: the flange comprises a hollow flange body, a plurality of annular first bosses arranged on the lower end face of the flange body and annular second bosses arranged on the upper end face of the flange body; the cover body is positioned in an area defined by the second bosses.
Optionally, the cover comprises: the device comprises a bottom plate and a cover plate arranged on the bottom plate; a cavity is formed between the bottom plate and the cover plate, and flame-retardant and heat-insulating materials are filled in the cavity.
Optionally, in the projection direction, the size of the cover plate is smaller than that of the bottom plate; the periphery of the bottom plate is provided with a plurality of threaded through holes, and the upper end face of the flange body is provided with a plurality of corresponding threaded blind holes in an area surrounded by the second bosses, so that the bottom plate is connected with the flange body through bolts.
The present invention also provides a transport container comprising: a hollow vessel cylinder and the above-mentioned nuclear fuel assembly axial fixing device arranged at the end of the vessel cylinder.
Has the advantages that:
according to the nuclear fuel assembly axial fixing device, the axial pressing mechanism is arranged at the bottom of the cover body, and when the axial fixing device is arranged on the nuclear fuel transport container, the nuclear fuel assembly in the transport container can be axially pressed and fixed by the axial pressing mechanism, so that the loading and unloading efficiency of the transport container can be improved in the loading process of the nuclear fuel assembly, and meanwhile, the safety of the nuclear fuel assembly in the transport process is ensured.
Drawings
FIG. 1 is a three-dimensional perspective view of an axial compression mechanism provided in accordance with an embodiment of the present invention;
FIG. 2 is one of three-dimensional perspective views of an axial fixture for a nuclear fuel assembly according to an embodiment of the present invention;
FIG. 3 is a second three-dimensional perspective view of an axial fixture for a nuclear fuel assembly according to an embodiment of the present invention;
fig. 4 is a longitudinal half sectional view of fig. 3 in the short side direction.
In the figure: 1-a pressing frame; 2-adjustable support rods; 3-fixing the frame; 4-a cock; 5, cushion blocks; 6-cover body; 7-flange.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflicting with each other.
In the description of the present invention, it is to be understood that the directional terms as used herein are used in a specific orientation or positional relationship shown in the drawings, and are used for convenience in describing the present invention and for simplicity in description, but do not indicate or imply that the device or element so referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The embodiment of the invention provides an axial fixing device for a nuclear fuel assembly, which can be applied to a nuclear fuel assembly transportation container.
As shown in fig. 1 to 4, the axial fixing device includes: the cover comprises a cover body 6, a flange 7 arranged on the periphery of the cover body 6, and an axial pressing mechanism arranged at the bottom of the cover body 6.
The flange 7 is used for fixing the cover body 6 in other parts, such as the end part of the nuclear fuel assembly transportation container, and the axial pressing mechanism is used for pressing and fixing the nuclear fuel assembly along the axial direction. Further, the cover 6 is detachably connected to a flange 7, and the flange 7 is detachably connected to the axial pressing mechanism.
In this embodiment, because the axial pressing mechanism is arranged at the bottom of the cover body, when the axial fixing device is arranged on the nuclear fuel transport container, the axial pressing mechanism can axially press and fix the nuclear fuel assembly in the transport container, so that the loading and unloading efficiency of the transport container can be improved in the process of loading the nuclear fuel assembly, and the safety of the nuclear fuel assembly in the transport process can be ensured.
In some embodiments, as shown in fig. 1, the axial compression mechanism comprises: fixed frame 3, be located fixed frame 3 below and with it relative set up compress tightly frame 1, both ends respectively with fixed frame 3 and compress tightly a plurality of connecting rods that frame 1 is connected, be located and compress tightly the inside piece that compresses tightly of frame 1 to and set up a plurality of adjustable support rod 2 on compressing tightly the piece.
In this embodiment, the fixing frame 3 and the pressing frame 1 are both rectangular frame structures.
In some embodiments, as shown in fig. 1, the side wall of the fixing frame 3 is provided with a plurality of threaded through holes along the transverse direction, and the inner side of the flange 7 is provided with a corresponding plurality of threaded blind holes along the transverse direction, so that the fixing frame 3 and the flange 7 are connected through bolts.
In this embodiment, one or two screw through holes, that is, four or eight screw through holes in total, may be provided on the side wall of each side of the rectangular fixing frame.
In addition, the fixed frame 3 and the flange 7 can be connected through a connecting piece such as a quick-release pin.
In some embodiments, as shown in fig. 1, a plurality of spacers 5 are disposed in the fixing frame 3, and an upper surface of the spacers 5 is slightly higher than an upper surface of the fixing frame 3, so that after the axial pressing mechanism and the cover 6 are connected to the flange 7, respectively, the upper surface of the spacers 5 can be tightly attached to the bottom surface of the cover 6, and at this time, the spacers 5 should be in a pressed state.
In this embodiment, the pad 5 is made of a non-metal material, such as a rubber pad. The four corners of the fixed frame 3 may be provided with cushion blocks, or only two opposite corners may be provided with cushion blocks.
In some embodiments, as shown in fig. 1, four connecting rods are used between the fixing frame 3 and the pressing frame 1, wherein the bottom ends of two opposite connecting rods are fixed on the pressing frame, and the other two opposite connecting rods are fixed on the pressing member. Of course, the invention is not limited thereto, and a smaller or larger number of connecting rods is also within the scope of the invention.
In some embodiments, as shown in fig. 1, a plurality of threaded through holes are provided on the pressing member, each threaded through hole corresponds to one adjustable support rod 2, and the adjustable support rod 2 is disposed in the corresponding threaded through hole.
Specifically, the adjustable support rod 2 includes: the bolt rod, the nut and the support leg can realize the compression and the release of the nuclear fuel assembly by adjusting the upper position and the lower position of the bolt rod in the corresponding threaded through hole on the compression piece. Wherein the bottom of the support leg can be provided with a foot pad made of non-metal materials, such as a rubber pad, so as to prevent the support leg from scratching the surface of the assembly when the adjustable support rod presses the nuclear fuel assembly.
In some embodiments, as shown in fig. 1, the pressing frame 1 is a rectangular frame-shaped structure, and can be made by punching a hole in the middle of a thick steel plate; the pressing piece is of a convex hexagonal plate-shaped structure, specifically is a flat convex hexagon, wherein two opposite sides are long, and the rest four sides are short, and two opposite corners of the convex hexagonal plate-shaped pressing piece are just clamped at two opposite inner corners of the rectangular frame-shaped pressing frame, so that the pressing piece is embedded into the pressing frame.
In some embodiments, the pressing member is provided with two threaded through holes, which are respectively disposed at two opposite corners of the pressing member.
In some embodiments, as shown in fig. 1, the axial compression mechanism further comprises: and the supporting piece is arranged on the pressing piece.
Wherein, support piece includes: a cock 4 and a lifting trunnion arranged at the bottom of the cock. The cock 4 is adjustable up and down to adapt to the axial dimensions of the nuclear fuel assembly; the bottom of the lifting trunnion is fixed on the pressing piece.
In some embodiments, as shown in fig. 1 to 3, two sets of axial pressing mechanisms are adopted, and the two sets of axial pressing mechanisms are symmetrically arranged at the bottom of the cover body 6 and are positioned at two sides of the cavity defined by the flange 7.
In this embodiment, the effect of compressing and fixing the nuclear fuel assembly in the transport container by adopting two sets of axial compressing mechanisms is better.
In some embodiments, as shown in fig. 2 and 3, the flange 7 comprises: the flange comprises a hollow flange body, a plurality of annular first bosses arranged on the lower end face of the flange body and annular second bosses arranged on the upper end face of the flange body; the cover 6 is located in the area enclosed by the second boss. The inner side of the flange body is transversely provided with a plurality of threaded blind holes.
In this embodiment, set up the boss respectively at the upper and lower terminal surface of flange body for the atress of whole flange is more even, can strengthen the intensity of whole flange, improves its life.
Furthermore, a plurality of annular first bosses are nested in sequence and are spaced from each other at a certain distance. Although fig. 2 shows only three annular first bosses provided on the lower end surface of the flange body, the present invention is not limited thereto, and two annular first bosses, or four or more annular first bosses may be provided on the lower end surface of the flange body. The distance between adjacent first bosses can be set by those skilled in the art according to actual conditions.
Furthermore, the annular first bosses are step-shaped, so that the top of the axial pressing mechanism can be smoothly assembled with the bottom of the flange.
Furthermore, the outer side surface of the first boss positioned at the outermost layer is flush with the outer side surface of the flange body; the inner side surface of the first boss positioned on the innermost layer is flush with the inner side surface of the flange body.
Further, the top of the second boss is provided with an inner chamfer.
Further, the flange body is integrated into one piece with first boss and second boss to improve the structural strength of whole flange.
Further, the flange body, the first boss and the second boss are all made of stainless steel.
In some embodiments, as shown in fig. 2 and 3, the flange body, the first boss, and the second boss are each rectangular in configuration.
In some embodiments, as shown in fig. 2 and 3, the cover 6 includes: the device comprises a bottom plate and a cover plate arranged on the bottom plate; a cavity is formed between the bottom plate and the cover plate, and flame-retardant and heat-insulating materials are filled in the cavity. The cover plate can be welded on the bottom plate.
In this embodiment, since the flame-retardant and heat-insulating material is filled in the cavity between the bottom plate and the cover body, when the axial fixing device is arranged on the nuclear fuel transport container, the transport container has a flame-retardant and heat-insulating effect, so that the safety of the nuclear fuel assembly in the transport process or under the accident condition can be ensured.
Further, the flame-retardant heat-insulating material is an aluminum silicate flame-retardant heat-insulating material.
Further, the cover plate includes: the panel and set up in the panel all around edge and the curb plate that extends downwards. The bottom of the side plate of the cover plate can be welded on the bottom plate.
Furthermore, the bottom plate and the cover plate are both rectangular structures.
In some embodiments, as shown in fig. 2 and 3, in the projection direction, the size of the cover plate is smaller than that of the base plate; the periphery of the bottom plate is provided with a plurality of threaded through holes, and the upper end face of the flange body is provided with a plurality of corresponding threaded blind holes in the area surrounded by the second boss, so that the bottom plate is connected with the flange body through bolts, namely the cover body 6 is connected with the flange 7 through bolts.
Furthermore, an annular sealing groove is also formed in the area, surrounded by the second boss, of the upper end face of the flange body; the threaded blind holes are positioned outside the area enclosed by the annular sealing groove. Wherein, be used for placing the sealing washer in the cyclic annular seal groove. When the cover body is connected with the flange through the bolts, the sealing ring can play a role in sealing. The annular sealing groove is specifically a rectangular annular sealing groove.
In some embodiments, as shown in fig. 3 and 4, the cover further comprises: a handle arranged on the cover body.
In this embodiment, the number and the arrangement position of the handles may be set by those skilled in the art according to actual situations. For example, two handles may be provided.
The following describes the dismounting manner of the axial fixing device with reference to fig. 1 to 4:
during disassembly, firstly disassembling the bolt between the cover body 6 and the flange 7 so as to disassemble the cover body 6, then unscrewing the adjustable support rod 2 of the axial pressing mechanism, and then disassembling the bolt between the fixed frame 3 of the axial pressing mechanism and the flange 7 so as to disassemble the axial pressing mechanism;
during installation, the axial pressing mechanism is placed in place, then the bolt between the fixed frame 3 and the flange 7 of the axial pressing mechanism is screwed, then the adjustable support rod 2 of the axial pressing mechanism is screwed, finally the cover body 6 is covered, and the bolt between the cover body 6 and the flange 7 is screwed.
According to the nuclear fuel assembly axial fixing device provided by the invention, as the axial pressing mechanism is arranged at the bottom of the cover body, and the flame-retardant heat-insulating material is filled in the cover body, when the axial fixing device is arranged on a nuclear fuel transport container, on one hand, the nuclear fuel assembly in the transport container can be quickly pressed and fixed, so that the loading and unloading efficiency of the transport container can be improved in the loading process of the nuclear fuel assembly, and meanwhile, the safety of the nuclear fuel assembly in the transport process is ensured; on the other hand, make the transport container possess fire-retardant thermal-insulated effect to in nuclear fuel assembly transportation or under the accident condition, can ensure the security of nuclear fuel assembly transportation. Moreover, the axial fixing device also has the characteristics of simplicity and convenience in operation, convenience in maintenance, no need of replacement and the like, and can realize a good pressing effect.
The present embodiment also provides a transport container (not shown in the figures) comprising: the device comprises a hollow container cylinder and the nuclear fuel assembly axial fixing device arranged at the end part of the container cylinder.
In particular, if the cartridge body has only one end, only one axial fixing means is provided at this end; if the vessel cylinder has two ends, one axial securing device is provided at each of the two ends, i.e. two axial securing devices are required.
According to the transport container provided by the invention, as the end part is provided with the axial fixing device, the axial fixing device is provided with the axial pressing mechanism and the cover body filled with the flame-retardant and heat-insulating material, the nuclear fuel assembly in the transport container can be quickly pressed and fixed, and the transport container has the flame-retardant and heat-insulating effect, so that the transport safety of the nuclear fuel assembly can be ensured in the transport process of the nuclear fuel assembly or under the accident condition.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. A nuclear fuel assembly axial securement device, comprising: the cover comprises a cover body, flanges arranged on the periphery of the cover body and an axial pressing mechanism arranged at the bottom of the cover body; the axial pressing mechanism is used for pressing and fixing the nuclear fuel assembly along the axial direction.
2. The axial fixation device of claim 1, wherein the axial compression mechanism comprises: the device comprises a fixed frame, a pressing frame, a plurality of connecting rods, a pressing piece and a plurality of adjustable supporting rods, wherein the pressing frame is located below the fixed frame and is arranged opposite to the fixed frame, the connecting rods are connected with the fixed frame and the pressing frame at two ends respectively, the pressing piece is located inside the pressing frame, and the adjustable supporting rods are arranged on the pressing piece.
3. The axial fixing device of claim 2, wherein the side wall of the fixing frame is transversely provided with a plurality of threaded through holes, and the inner side of the flange is transversely provided with a corresponding plurality of threaded blind holes, so that the fixing frame and the flange are connected through bolts.
4. The axial fixing device of claim 2, wherein a plurality of spacers are disposed within the fixing frame, and an upper surface of the spacers is slightly higher than an upper surface of the fixing frame.
5. The axial fixation device of claim 2, wherein the axial compression mechanism further comprises: and the supporting piece is arranged on the pressing piece.
6. The axial fixing device of any one of claims 2-5, wherein two sets of axial pressing mechanisms are adopted, and the two sets of axial pressing mechanisms are symmetrically arranged at the bottom of the cover body.
7. The axial securing device of claim 1, wherein the flange comprises: the flange comprises a hollow flange body, a plurality of annular first bosses arranged on the lower end face of the flange body and annular second bosses arranged on the upper end face of the flange body; the cover body is positioned in an area defined by the second bosses.
8. The axial securing device of claim 7, wherein the cover includes: the device comprises a bottom plate and a cover plate arranged on the bottom plate; a cavity is formed between the bottom plate and the cover plate, and flame-retardant and heat-insulating materials are filled in the cavity.
9. Axial fixing device according to claim 8, characterized in that the cover plate has a smaller size than the base plate in the projection direction; the periphery of the bottom plate is provided with a plurality of threaded through holes, and the upper end face of the flange body is provided with a plurality of corresponding threaded blind holes in an area surrounded by the second bosses, so that the bottom plate is connected with the flange body through bolts.
10. A shipping container, comprising: a hollow vessel cylinder, and a nuclear fuel assembly axial securement device as claimed in any one of claims 1 to 9 provided at an end of the vessel cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010727622.XA CN112017803B (en) | 2020-07-23 | 2020-07-23 | Nuclear fuel assembly axial fixing device and transport container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010727622.XA CN112017803B (en) | 2020-07-23 | 2020-07-23 | Nuclear fuel assembly axial fixing device and transport container |
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| Publication Number | Publication Date |
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| CN112017803A true CN112017803A (en) | 2020-12-01 |
| CN112017803B CN112017803B (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010727622.XA Active CN112017803B (en) | 2020-07-23 | 2020-07-23 | Nuclear fuel assembly axial fixing device and transport container |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023035620A1 (en) * | 2021-09-09 | 2023-03-16 | 清华大学 | Method and device for transporting nuclear fuel in nuclear power plant |
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| JPH10239485A (en) * | 1997-02-25 | 1998-09-11 | Ishikawajima Harima Heavy Ind Co Ltd | Spent nuclear fuel housing vessel |
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| CN103474119A (en) * | 2013-09-12 | 2013-12-25 | 中国核电工程有限公司 | Conveying container for nuclear fuel assemblies |
| CN104575648A (en) * | 2014-12-24 | 2015-04-29 | 中国原子能科学研究院 | Conveying container for fast reactor MOX fuel component |
| CN110444306A (en) * | 2018-10-25 | 2019-11-12 | 清华大学天津高端装备研究院 | A kind of spent fuel transport container |
| CN111095437A (en) * | 2018-11-26 | 2020-05-01 | 中广核研究院有限公司 | Fuel assembly shipping container and top closure therefor |
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2020
- 2020-07-23 CN CN202010727622.XA patent/CN112017803B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10239485A (en) * | 1997-02-25 | 1998-09-11 | Ishikawajima Harima Heavy Ind Co Ltd | Spent nuclear fuel housing vessel |
| CN1605107A (en) * | 2001-12-18 | 2005-04-06 | 奥伊斯特国际股份有限公司 | Container device for the storage of hazardous materials and a method of making it |
| CN103474119A (en) * | 2013-09-12 | 2013-12-25 | 中国核电工程有限公司 | Conveying container for nuclear fuel assemblies |
| CN104575648A (en) * | 2014-12-24 | 2015-04-29 | 中国原子能科学研究院 | Conveying container for fast reactor MOX fuel component |
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| WO2023035620A1 (en) * | 2021-09-09 | 2023-03-16 | 清华大学 | Method and device for transporting nuclear fuel in nuclear power plant |
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| CN112017803B (en) | 2023-03-24 |
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