CN210743610U - Shielding container for transferring spent fuel storage tank - Google Patents
Shielding container for transferring spent fuel storage tank Download PDFInfo
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- CN210743610U CN210743610U CN201921806718.4U CN201921806718U CN210743610U CN 210743610 U CN210743610 U CN 210743610U CN 201921806718 U CN201921806718 U CN 201921806718U CN 210743610 U CN210743610 U CN 210743610U
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- sliding door
- spent fuel
- fuel storage
- shielding
- right sliding
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Abstract
The utility model discloses a shielding container for transferring spent fuel storage tanks, which comprises an upper cover plate component, a cylinder component and a lower cover plate component, wherein the upper cover plate component is arranged at the upper port of the cylinder component, and the lower cover plate component is arranged at the lower port of the cylinder component; the lower cover plate component comprises a base, a left sliding door and a right sliding door, wherein the left sliding door and the right sliding door can be mutually drawn together and separated to form a shielding plate, and the left sliding door and the right sliding door are both positioned between the base and the lower port of the barrel component. The technical problem of shielding in the transfer process of the spent fuel storage tank is solved; the working efficiency of transferring the spent fuel storage tank is improved; the influence of radioactivity on the environment in the transfer process of the spent fuel storage tank is reduced; the radiation safety of workers is protected, and the method has remarkable economic and social benefits.
Description
Technical Field
The utility model relates to a technique for transporting spent fuel storage tank belongs to reactor decommissioning technical field.
Background
More than ninety-nine percent of the radioactivity in a nuclear facility or nuclear power plant is derived from fuel assemblies, and how to safely and reliably process and dispose of spent fuel assemblies is a key problem in the reactor decommissioning process.
In the decommissioning process of a certain research reactor in China, a spent fuel assembly dry-type storage technology is provided, namely: and unloading the reactor spent fuel assembly in a water pool, loading the reactor spent fuel assembly into a spent fuel storage tank, and transferring the reactor spent fuel assembly to a storage well for temporary storage through a shielding transfer container. In consideration of the technology and economy of spent fuel storage, the spent fuel storage tank designed in our country does not have a shielding function, and therefore, a shielding transfer container is needed to realize the transfer of the spent fuel storage tank between a pool and a storage well. After the spent fuel is temporarily stored in the storage well for a certain time, the spent fuel needs to be transported to a nuclear fuel post-treatment plant for treatment, and a shielding transport container is also needed to realize the transport of the spent fuel storage tank between the storage well and the shielding transport container.
Whether the spent fuel storage tank is transferred from the storage water pool to the drying well or transferred from the drying well to the shielding transportation container for transportation, the shielding transportation container is required to be used for operation. Therefore, the invention provides a shielding container for transporting a spent fuel storage tank.
Disclosure of Invention
The invention provides a shielding container for transferring a spent fuel storage tank, which can realize shielding in the process of transferring the spent fuel storage tank from a storage water pool into a drying well or transferring the spent fuel storage tank from the drying well to a shielding transportation container, and protect the safety of workers, the public and the environment.
The invention is realized by the following technical scheme:
a shielding container for transporting a spent fuel storage tank,
the device comprises an upper cover plate assembly, a cylinder assembly and a lower cover plate assembly, wherein the upper cover plate assembly is arranged at the upper port of the cylinder assembly, and the lower cover plate assembly is arranged at the lower port of the cylinder assembly;
the lower cover plate component comprises a base, a left sliding door and a right sliding door, wherein the left sliding door and the right sliding door can be mutually drawn together and separated to form a shielding plate, and the left sliding door and the right sliding door are both positioned between the base and the lower port of the barrel component.
On the basis of the technical scheme, it is preferred that the one side that the left sliding door face pulled the door to the right is the inclined plane, and the one side that the right sliding door face pulled the door to the left is the inclined plane, and the inclined plane of left sliding door matches with the inclined plane of right sliding door, and the inclined plane of left sliding door and the inclined plane of right sliding door all are a with the contained angle of the axis of barrel subassembly, and the value range of a is: 90 > a > 0.
On the basis of the technical scheme, preferably, a handle is arranged on one surface, away from the right sliding door, of the left sliding door, and a handle is arranged on one surface, away from the left sliding door, of the right sliding door.
On the basis of the technical scheme, preferably, an embedded supporting plate is further arranged between the shielding plate and the base; the supporting plate is embedded into the base or the supporting plate is embedded into one surface of the left sliding door and one surface of the right sliding door facing the base.
On the basis of the above technical solution, preferably, the base is provided with a drainage hole.
On the basis of the above technical solution, preferably, the cylinder assembly includes an outer cylinder, an inner cylinder, and a shield disposed between the outer cylinder and the inner cylinder.
On the basis of the above technical solution, preferably, the outer cylinder is provided with a container lifting lug.
On the basis of the above technical solution, preferably, the shield is a lead layer with a thickness of 100 mm.
On the basis of the technical scheme, preferably, the upper cover plate assembly comprises a top cover, a fastening bolt and a guide seat, the guide seat is arranged at the upper end opening of the barrel assembly, a screw hole is formed in the upper end face of the guide seat, the top cover is arranged on the upper end face of the guide seat, and the fastening bolt penetrates through the top cover and then is inserted into the screw hole of the guide seat.
On the basis of the technical scheme, preferably, the top cover upper end surface is provided with a top cover hanging ring.
The utility model discloses whole shape is the cylinder structure, mainly includes upper cover plate subassembly, barrel subassembly and lower apron subassembly. The upper cover plate component mainly comprises a top cover, a fastening bolt, a top cover lifting ring and a guide seat, the barrel component mainly comprises an outer barrel, a shielding body, an inner barrel and a container lifting lug, and the lower cover plate component mainly comprises a left sliding door, a right sliding door, a handle, a supporting plate, a base and a drain hole.
Wherein, lower apron subassembly mainly adopts left sliding door, right sliding door, base to constitute, and wherein, left sliding door, right sliding door can be closed and close each other, consequently, loading and unloading efficiency when can improving the transportation. Meanwhile, the left sliding door and the right sliding door adopt an inclined plane design, so that a shielding effect is well achieved. In addition, because the left sliding door and the right sliding door are of shielding structures, the weight of the left sliding door and the right sliding door is large, and in order to overcome the problem of difficulty in drawing, the left sliding door and the right sliding door slide by adopting supporting plates, and the structure of the left sliding door and the right sliding door is similar to a guide rail structure of a drawer.
In addition, preferred, the utility model provides a barrel subassembly adopts the design of double-deck barrel with the shielding body, realizes the shielding effect of thickness.
In addition, it is preferred, to the utility model discloses the upper cover plate subassembly mainly comprises top cap, fastening bolt, guide holder, and it can realize rapid Assembly.
In general, the beneficial effects of the invention are as follows:
the technical problem of shielding in the transfer process of the spent fuel storage tank is solved; the working efficiency of transferring the spent fuel storage tank is improved; the influence of radioactivity on the environment in the transfer process of the spent fuel storage tank is reduced; the radiation safety of workers is protected, and the method has remarkable economic and social benefits.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a front elevation view of a shielded transport container.
FIG. 2 is a top view of a shielded transport container.
In the figures, the reference numerals denote: in the drawing, a top cover is shown in figure 1, a fastening bolt is shown in figure 2, a top cover hanging ring is shown in figure 3, a guide seat is shown in figure 4, an outer cylinder is shown in figure 5, an inner cylinder is shown in figure 6, a shielding body is shown in figure 7, a container lifting lug is shown in figure 8, a left-pull door is shown in figure 9, a right-pull door is shown in figure 10, a handle is shown in figure 11, a supporting plate is shown in figure 12, a base is shown in figure 13, and a water drainage hole is shown in figure 14.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
As shown in fig. 1 and 2
A shielding container for transporting a spent fuel storage tank,
the device comprises an upper cover plate assembly, a cylinder assembly and a lower cover plate assembly, wherein the upper cover plate assembly is arranged at the upper port of the cylinder assembly, and the lower cover plate assembly is arranged at the lower port of the cylinder assembly;
the lower cover plate assembly comprises a base 13, a left sliding door 9 and a right sliding door 10, wherein the left sliding door 9 and the right sliding door 10 can be mutually closed and separated to form a shielding plate, and the left sliding door 9 and the right sliding door 10 are both positioned between the base 13 and the lower port of the barrel assembly.
Wherein, lower apron subassembly mainly adopts left sliding door, right sliding door, base to constitute, and wherein, left sliding door, right sliding door can be closed and close each other, consequently, loading and unloading efficiency when can improving the transportation.
Example 2
As shown in fig. 1 and 2
A shielding container for transporting a spent fuel storage tank,
the device comprises an upper cover plate assembly, a cylinder assembly and a lower cover plate assembly, wherein the upper cover plate assembly is arranged at the upper port of the cylinder assembly, and the lower cover plate assembly is arranged at the lower port of the cylinder assembly;
the lower cover plate assembly comprises a base 13, a left sliding door 9 and a right sliding door 10, wherein the left sliding door 9 and the right sliding door 10 can be mutually closed and separated to form a shielding plate, and the left sliding door 9 and the right sliding door 10 are both positioned between the base 13 and the lower port of the barrel assembly.
Wherein, lower apron subassembly mainly adopts left sliding door, right sliding door, base to constitute, and wherein, left sliding door, right sliding door can be closed and close each other, consequently, loading and unloading efficiency when can improving the transportation.
The one side of left sliding door 9 towards right sliding door 10 is the inclined plane, and the one side of right sliding door 10 towards left sliding door 9 is the inclined plane, and the inclined plane of left sliding door 9 matches with the inclined plane of right sliding door 10, and the inclined plane of left sliding door 9 all is a with the contained angle of the axis of barrel subassembly with the inclined plane of right sliding door 10, and the value range of an is: 90 > a > 0. Meanwhile, the left sliding door and the right sliding door adopt an inclined plane design, so that a shielding effect is well achieved.
Preferably, a handle 11 is arranged on one side, away from the right sliding door 10, of the left sliding door 9, and a handle 11 is arranged on one side, away from the left sliding door 9, of the right sliding door 10.
Preferably, an embedded supporting plate 12 is further arranged between the shielding plate and the base 13; the supporting plate 12 is embedded in the base 13 or the supporting plate 12 is embedded in one surface of the left-pull door 9 and the right-pull door 10 facing the base 13. In addition, because the left sliding door and the right sliding door are of shielding structures, the weight of the left sliding door and the right sliding door is large, and in order to overcome the problem of difficulty in drawing, the left sliding door and the right sliding door slide by adopting supporting plates, and the structure of the left sliding door and the right sliding door is similar to a guide rail structure of a drawer.
Preferably, the base 13 is provided with a drain hole 14.
Example 3
As shown in fig. 1 and 2
A shielding container for transporting a spent fuel storage tank,
the device comprises an upper cover plate assembly, a cylinder assembly and a lower cover plate assembly, wherein the upper cover plate assembly is arranged at the upper port of the cylinder assembly, and the lower cover plate assembly is arranged at the lower port of the cylinder assembly;
the lower cover plate assembly comprises a base 13, a left sliding door 9 and a right sliding door 10, wherein the left sliding door 9 and the right sliding door 10 can be mutually closed and separated to form a shielding plate, and the left sliding door 9 and the right sliding door 10 are both positioned between the base 13 and the lower port of the barrel assembly.
Wherein, lower apron subassembly mainly adopts left sliding door, right sliding door, base to constitute, and wherein, left sliding door, right sliding door can be closed and close each other, consequently, loading and unloading efficiency when can improving the transportation.
The one side of left sliding door 9 towards right sliding door 10 is the inclined plane, and the one side of right sliding door 10 towards left sliding door 9 is the inclined plane, and the inclined plane of left sliding door 9 matches with the inclined plane of right sliding door 10, and the inclined plane of left sliding door 9 all is a with the contained angle of the axis of barrel subassembly with the inclined plane of right sliding door 10, and the value range of an is: 90 > a > 0. Meanwhile, the left sliding door and the right sliding door adopt an inclined plane design, so that a shielding effect is well achieved.
Preferably, the cylinder assembly comprises an outer cylinder 5, an inner cylinder 6 and a shielding body 7 arranged between the outer cylinder 5 and the inner cylinder 6.
Preferably, the outer cylinder 5 is provided with a container lifting lug 8.
Preferably, the shield 7 is a lead layer 100mm thick.
Example 4
As shown in fig. 1 and 2
A shielding container for transporting a spent fuel storage tank,
the device comprises an upper cover plate assembly, a cylinder assembly and a lower cover plate assembly, wherein the upper cover plate assembly is arranged at the upper port of the cylinder assembly, and the lower cover plate assembly is arranged at the lower port of the cylinder assembly;
the lower cover plate assembly comprises a base 13, a left sliding door 9 and a right sliding door 10, wherein the left sliding door 9 and the right sliding door 10 can be mutually closed and separated to form a shielding plate, and the left sliding door 9 and the right sliding door 10 are both positioned between the base 13 and the lower port of the barrel assembly.
Wherein, lower apron subassembly mainly adopts left sliding door, right sliding door, base to constitute, and wherein, left sliding door, right sliding door can be closed and close each other, consequently, loading and unloading efficiency when can improving the transportation.
The one side of left sliding door 9 towards right sliding door 10 is the inclined plane, and the one side of right sliding door 10 towards left sliding door 9 is the inclined plane, and the inclined plane of left sliding door 9 matches with the inclined plane of right sliding door 10, and the inclined plane of left sliding door 9 all is a with the contained angle of the axis of barrel subassembly with the inclined plane of right sliding door 10, and the value range of an is: 90 > a > 0. Meanwhile, the left sliding door and the right sliding door adopt an inclined plane design, so that a shielding effect is well achieved.
The upper cover plate assembly comprises a top cover 1, fastening bolts 2 and a guide seat 4, the guide seat 4 is arranged at the upper port of the barrel assembly, a screw hole is formed in the upper end face of the guide seat 4, the top cover 1 covers the upper end face of the guide seat 4, and the fastening bolts 2 penetrate through the top cover 1 and then are inserted into the screw hole of the guide seat 4.
Preferably, the top cover 1 is provided with a top cover hanging ring 3 on the upper end surface.
Example 5:
as shown in fig. 1 and 2
The utility model provides a barrel subassembly adopts the design of double-deck barrel with the shielding body, realizes the shielding effect of thickness. The upper cover plate assembly mainly comprises a top cover, fastening bolts and a guide seat, and can be quickly assembled.
The utility model discloses whole shape is the cylinder structure, mainly includes upper cover plate subassembly, barrel subassembly and lower apron subassembly. The upper cover plate component mainly comprises a top cover, a fastening bolt, a top cover lifting ring and a guide seat, the barrel component mainly comprises an outer barrel, a shielding body, an inner barrel and a container lifting lug, and the lower cover plate component mainly comprises a left sliding door, a right sliding door, a handle, a supporting plate, a base and a drain hole.
The invention provides a shielding container for transferring a spent fuel storage tank, which is in a cylindrical structure in the whole shape and mainly comprises an upper cover plate assembly, a cylinder body assembly and a lower cover plate assembly.
Specifically, the method comprises the following steps:
the top cover is a circular stainless steel plate, and the center of the top cover is provided with a top cover lifting ring for transferring and lifting in the process of mounting and dismounting the top cover; the top cover is fixedly connected with the guide seat through a fastening bolt, and the guide seat is welded on the barrel assembly.
The outer cylinder and the inner cylinder are made of stainless steel materials and are formed by rolling and welding stainless steel plates; a lead layer with the thickness of 100mm is poured between the outer cylinder and the inner cylinder to form a shielding body; and two groups of container lifting lugs are inserted and welded at the upper part of the outer cylinder and used for shielding and transporting the containers for lifting. 3 drain holes with diameter of 20mm are arranged at the bottom of the container, and the pore channels adopt a direction-changing design for draining water.
The left sliding door and the right sliding door are respectively positioned at the left side and the right side of the bottom of the container and are formed by wrapping lead by a stainless steel plate, and handles are welded on the side surfaces of the left sliding door and the right sliding door and can be respectively opened and closed towards the left side and the right side through supporting plates; the base is connected with the shielding container barrel through bolts, so that the shielding container is prevented from toppling over in the event of an accident, and meanwhile, the base is matched with the water tank hanging flange support.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A shielding container for transporting a spent fuel storage tank is characterized in that,
the device comprises an upper cover plate assembly, a cylinder assembly and a lower cover plate assembly, wherein the upper cover plate assembly is arranged at the upper port of the cylinder assembly, and the lower cover plate assembly is arranged at the lower port of the cylinder assembly;
the lower cover plate assembly comprises a base (13), a left sliding door (9) and a right sliding door (10), wherein the left sliding door (9) and the right sliding door (10) can be mutually closed and separated to form a shielding plate, and the left sliding door (9) and the right sliding door (10) are both located between the base (13) and the lower port of the barrel assembly.
2. The shielding container for transporting spent fuel storage tanks is characterized in that one surface of the left sliding door (9) facing the right sliding door (10) is an inclined surface, one surface of the right sliding door (10) facing the left sliding door (9) is an inclined surface, the inclined surface of the left sliding door (9) is matched with the inclined surface of the right sliding door (10), the inclined surfaces of the left sliding door (9) and the right sliding door (10) respectively form an included angle a with the axis of the cylinder assembly, and the value range of a is as follows: 90 > a > 0.
3. The shielding container for transporting the spent fuel storage tank according to claim 1, wherein a handle (11) is arranged on one side of the left sliding door (9) far away from the right sliding door (10), and a handle (11) is arranged on one side of the right sliding door (10) far away from the left sliding door (9).
4. The shielding container for transporting spent fuel storage tanks according to claim 1, wherein an embedded supporting plate (12) is further arranged between the shielding plate and the base (13); the supporting plate (12) is embedded into the base (13) or the supporting plate (12) is embedded into one surface of the left-pull door (9) and one surface of the right-pull door (10) facing the base (13).
5. The shielded container for transporting spent fuel storage tanks according to claim 1, wherein the base (13) is provided with a drain hole (14).
6. The shielding container for transporting spent fuel storage tanks, according to claim 1, is characterized in that the barrel assembly comprises an outer barrel (5), an inner barrel (6), and a shielding body (7) arranged between the outer barrel (5) and the inner barrel (6).
7. The shielding container for transporting the spent fuel storage tank according to claim 6, wherein the outer cylinder (5) is provided with a container lifting lug (8).
8. The shielding container for transporting spent fuel storage tanks according to claim 6, wherein the shielding body (7) is a lead layer 100mm thick.
9. The shielding container for transporting the spent fuel storage tank according to claim 1, wherein the upper cover plate assembly comprises a top cover (1), a fastening bolt (2) and a guide seat (4), the guide seat (4) is at the upper port of the cylinder assembly, a screw hole is opened on the upper end surface of the guide seat (4), the top cover (1) covers the upper end surface of the guide seat (4), and the fastening bolt (2) passes through the top cover (1) and then is inserted into the screw hole of the guide seat (4).
10. The shielding container for transporting the spent fuel storage tank according to claim 9, wherein the top cover (1) is provided with a top cover hanging ring (3) at the upper end surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921806718.4U CN210743610U (en) | 2019-10-25 | 2019-10-25 | Shielding container for transferring spent fuel storage tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921806718.4U CN210743610U (en) | 2019-10-25 | 2019-10-25 | Shielding container for transferring spent fuel storage tank |
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| CN210743610U true CN210743610U (en) | 2020-06-12 |
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| CN201921806718.4U Active CN210743610U (en) | 2019-10-25 | 2019-10-25 | Shielding container for transferring spent fuel storage tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021227473A1 (en) * | 2020-10-14 | 2021-11-18 | 中广核工程有限公司 | Protective base for transfer container for spent fuel dry storage |
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- 2019-10-25 CN CN201921806718.4U patent/CN210743610U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021227473A1 (en) * | 2020-10-14 | 2021-11-18 | 中广核工程有限公司 | Protective base for transfer container for spent fuel dry storage |
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