CN212724746U - Special shielding container for out-of-pile nuclear measurement intermediate range detector - Google Patents
Special shielding container for out-of-pile nuclear measurement intermediate range detector Download PDFInfo
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- CN212724746U CN212724746U CN202021413818.3U CN202021413818U CN212724746U CN 212724746 U CN212724746 U CN 212724746U CN 202021413818 U CN202021413818 U CN 202021413818U CN 212724746 U CN212724746 U CN 212724746U
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Abstract
The utility model discloses a special shielding container of range detector in middle of nuclear survey outside heap, its characterized in that: including special shielded container of transportation and the special shielded container of storage, the special container of transportation is including the container barrel that is used for splendid attire detector, container barrel one end is equipped with the barrel bottom plate, and the other end is equipped with the container lid, is equipped with the sealing member between the terminal surface of container lid and container barrel, the special shielded container of storage is including the box that is used for the special shielded container of storage transportation and locating the apron on the box. The utility model is used for transportation and storage after the middle range detector is demolishd, the special shielded container of storage can save the special shielded container of a plurality of transports, saves storage space, reduces the storage environment dose, can make well the balance between reducing the dose and easily the on-the-spot transportation, can effectively reduce the dose that the transportation produced, reduces the transportation degree of difficulty after the detector is demolishd again.
Description
Technical Field
The utility model relates to a special shielding container of range detector in middle of nuclear survey outside heap belongs to the transportation and the storage field of range detector in middle of nuclear survey outside the heap.
Background
The nuclear power plant nuclear survey detector adopts a U-235 fission chamber detector, the U-235 fission chamber detector belongs to a nuclear survey detector with a middle range, and when the nuclear power plant normally operates, the nuclear survey detector possibly has a fault, so the nuclear power plant nuclear survey detector needs to be replaced during overhaul. Because the inside of the U-235 fission chamber contains a certain mass of high-concentration U235, the U-235 fission chamber is activated when a power plant operates, the contact dose is higher, and the first-time refueling overhaul can reach 11 mSV. The nuclear detection detector outside the reactor has larger radioactivity after being dismantled from the site, and the detector contains high-concentration U235 with certain mass inside, and belongs to nuclear materials. According to relevant national regulations, the out-of-pile nuclear measurement intermediate range detector needs to be shielded in the transportation and storage processes after being dismantled, so that the environment and personnel are prevented from being injured.
Therefore, the container for transporting and storing the fault detector after being detached is provided to meet the related requirements of national nuclear material storage and the requirements of transportation in radioactive waste fields, so that the irradiation dose generated by the transportation and storage of the detector is reduced, the ALALA principle of a nuclear power plant is met, and the technical problem to be solved is urgent.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: the special shielding container capable of containing the disassembled U-235 fission chamber detector is provided to meet the requirements of related national nuclear material storage and transportation in a nuclear power plant and reduce the extra dosage of the detector in the transportation and storage processes.
In order to achieve the above object, the technical scheme of the utility model provides a special shielded container of range detector in the middle of nuclear survey outside the heap, its characterized in that: including special shielded container of transportation and the special shielded container of storage, the special container of transportation is including the container barrel that is used for splendid attire detector, container barrel one end is equipped with the barrel bottom plate, and the other end is equipped with the container lid, is equipped with the sealing member between the terminal surface of container lid and container barrel, the special shielded container of storage is including the box that is used for the special shielded container of storage transportation and locating the apron on the box.
Preferably, the container cover is provided with a lifting hole for lifting and transporting the special shielding container.
Preferably, the seal is a flange.
Preferably, the box body comprises a box body bottom plate and a top plate which are arranged oppositely, a side plate I which is arranged oppositely, and a side plate II which is arranged oppositely, wherein the side plate I and the side plate II are arranged on the box body bottom plate, and the box body bottom plate and the top plate form a cavity for accommodating the special shielding container for transportation.
Preferably, a shelf for fixing and isolating a plurality of special transportation shielding containers is arranged in the box body.
Preferably, the top of the box body is provided with a corner lead corner sealing piece for hoisting and storing the special shielding container.
Preferably, rib plates for reinforcing and supporting are arranged on the side walls of the box body.
Preferably, the bottom of the box body is provided with a plurality of bottom plates, and a forklift hole for transporting the special storage shielding container is formed between the bottom plates.
Preferably, the number of the bottom plates is three, and the bottom plates are uniformly distributed at the bottom of the box body side by side.
Preferably, the material of the special transportation shielding container and the special storage shielding container is 304 stainless steel.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model is used for transportation and storage after the middle range detector is demolishd, the special shielded container of storage can save the special shielded container of a plurality of transports, saves storage space, reduces the storage environment dose, can make well the balance between reducing the dose and easily the on-the-spot transportation, can effectively reduce the dose that the transportation produced, reduces the transportation degree of difficulty after the detector is demolishd again.
2. The special shielding container for transportation can be directly placed on a transport vehicle, and the detector after being disassembled is loaded, so that good dose shielding is achieved, the time is saved and the irradiation dose is reduced during transportation after the detector is disassembled;
3. the utility model adopts thicker 304 stainless steel material, has good shielding effect, and can effectively reduce the environmental irradiation dose at the storage position of the detector;
4. the lifting, forklift transportation and hydraulic vehicle transportation can be carried out on site, and the device has more transportation modes and can meet the construction requirements of different occasions;
5. the lead sealing function is achieved, and the national nuclear material storage requirement is met;
6. the method can be widely applied to transportation and storage of the disassembled U-235 fission chamber in the nuclear power plant, and has great economic benefit.
Drawings
FIG. 1 is a schematic structural view of a special transportation shielding container;
fig. 2 is a three-view diagram of a storage-dedicated shielded container structure.
Detailed Description
In order to make the present invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.
The utility model relates to a special shielded container of nuclear survey middle range detector outside pile, including the special shielded container of transportation and the special shielded container of storage, as shown in fig. 1, the special container of transportation includes container lid 11, barrel bottom plate 12, container barrel 13, flange 14, lewis hole 9, and container barrel 13 is used for splendid attire detector barrel, and container barrel 13 one end is equipped with barrel bottom plate 12, and container lid 11 is installed to the other end, and container lid 11 is fixed through hexagon socket head cap screw, and processing has the lewis hole 9 of the special shielded container of hoist and mount transportation on the container lid 11, can be used to on-the-spot handling. A flange 14 for sealing is installed between the cover 11 and the end face of the vessel cylinder 13.
As shown in fig. 2, the storage-dedicated shield container includes a box body for storing and transporting the dedicated shield container, and a cover plate 8 mounted on the box body, and the cover plate 8 and the box body are fixed by hexagon socket head cap bolts. The box body comprises a box body bottom plate 2 and a top plate 5 which are arranged oppositely, a first side plate 3 which is arranged oppositely and a second side plate 7 which is arranged oppositely, wherein the first side plate 3 and the second side plate 7 are arranged on the box body bottom plate 2, and a cavity which is used for accommodating the special shielding container for transportation is formed by the box body bottom plate 2 and the top plate 5. Lead sealing corner fittings 4 for hoisting and storing special shielding containers are installed at all corners of the top of the box body, and the lead sealing corner fittings 4 have a lead sealing function required by nuclear material storage. The lateral wall of the box body is provided with a rib plate 6 for reinforcing support, the bottom of the box body is uniformly distributed with three bottom plates 1 in parallel, and fork truck holes for transporting and storing special shielding containers are formed among the three bottom plates 1. The box is internally provided with a detachable shelf for fixing and isolating a plurality of special transportation shielding containers, the special transportation shielding containers can be contained, and the special transportation shielding containers and the special storage shielding containers are fixed through hexagon socket head bolts. Each container has a respective fixed shelf, and the special shielding container for storage is provided with a forklift hole, and can be transported by a forklift or a hydraulic vehicle.
The special transportation shielding container and the special storage shielding container are both made of 304 stainless steel, and the special storage shielding container is provided with a high-radioactivity mark.
The utility model discloses a use method as follows:
when the nuclear material storage device is used, firstly, the disassembled middle-range detector is placed into the special transportation shielding container and then sealed through the hexagon socket head cap screw fixing flange, the detector is transported to a long-term storage position, then the special transportation shielding container is placed into the special storage shielding container, the cover plate 1 is fixed and sealed through the hexagon socket head cap screw, and then the lead seal is used for fixing, so that the nuclear material storage requirement is met. In the embodiment, 4 special transportation shielding containers can be contained in 1 special storage shielding container, and the shielding container can be used according to actual conditions in practice.
Claims (10)
1. The utility model provides a special shielded container of nuclear survey middle range detector outside heap which characterized in that: including special shielded container of transportation and the special shielded container of storage, the special shielded container of transportation is including container barrel (13) that are used for the splendid attire detector, container barrel (13) one end is equipped with barrel bottom plate (12), and the other end is equipped with container lid (11), is equipped with the sealing member between the terminal surface of container lid (11) and container barrel (13), the special shielded container of storage is including the box that is used for storing the special shielded container of transportation and apron (8) on locating the box.
2. The special shielding container for the nuclear-measuring intermediate range detector as claimed in claim 1, wherein: and the container cover (11) is provided with a lifting hole (9) for lifting and transporting the special shielding container.
3. The special shielding container for the nuclear-measuring intermediate range detector as claimed in claim 1, wherein: the seal is a flange (14).
4. The special shielding container for the nuclear-measuring intermediate range detector as claimed in claim 1, wherein: the box body comprises a box body bottom plate (2) and a top plate (5) which are arranged oppositely, a first side plate (3) which is arranged oppositely and a second side plate (7) which is arranged oppositely, wherein the first side plate (3) and the second side plate (7) are arranged on the box body bottom plate (2) to form a cavity which is used for containing the special shielding container for transportation with the box body bottom plate (2) and the top plate (5).
5. The special shielding container for the nuclear-measuring intermediate range detector as claimed in claim 1, wherein: and a shelf for fixing and isolating a plurality of special transportation shielding containers is arranged in the box body.
6. The special shielding container for the nuclear-measuring intermediate range detector as claimed in claim 1, wherein: and a lead sealing corner piece (4) for hoisting and storing the special shielding container is arranged at the top of the box body.
7. The special shielding container for the nuclear-measuring intermediate range detector as claimed in claim 1, wherein: and rib plates (6) for reinforcing and supporting are arranged on the side wall of the box body.
8. The special shielding container for the nuclear-measuring intermediate range detector as claimed in claim 1, wherein: the bottom of the box body is provided with a plurality of bottom plates (1), and fork truck holes for transporting the special storage shielding containers are formed between the bottom plates (1).
9. The special shielding container for the nuclear-measurement intermediate-range detector as claimed in claim 8, wherein: the number of the bottom plates (1) is three, and the three bottom plates are uniformly distributed at the bottom of the box body side by side.
10. The special shielding container for the nuclear-measuring intermediate range detector as claimed in claim 1, wherein: the special transportation shielding container and the special storage shielding container are made of 304 stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021413818.3U CN212724746U (en) | 2020-07-17 | 2020-07-17 | Special shielding container for out-of-pile nuclear measurement intermediate range detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021413818.3U CN212724746U (en) | 2020-07-17 | 2020-07-17 | Special shielding container for out-of-pile nuclear measurement intermediate range detector |
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| Publication Number | Publication Date |
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| CN212724746U true CN212724746U (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021413818.3U Active CN212724746U (en) | 2020-07-17 | 2020-07-17 | Special shielding container for out-of-pile nuclear measurement intermediate range detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111816339A (en) * | 2020-07-23 | 2020-10-23 | 中国核动力研究设计院 | Liftable temporary storage container assembly and method for dismantling nuclear reactor detector assembly |
-
2020
- 2020-07-17 CN CN202021413818.3U patent/CN212724746U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111816339A (en) * | 2020-07-23 | 2020-10-23 | 中国核动力研究设计院 | Liftable temporary storage container assembly and method for dismantling nuclear reactor detector assembly |
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