CN210823651U - Radioactive metal sample storage device - Google Patents
Radioactive metal sample storage device Download PDFInfo
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- CN210823651U CN210823651U CN201921265944.6U CN201921265944U CN210823651U CN 210823651 U CN210823651 U CN 210823651U CN 201921265944 U CN201921265944 U CN 201921265944U CN 210823651 U CN210823651 U CN 210823651U
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- sample
- vacuum tank
- storage device
- lead cover
- radioactive metal
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Abstract
The utility model relates to a radioactive metal sample storage device, which comprises a sealed shielding lead cover, a sample hanging basket, a vacuum tank and a storage well; the sealed shielding lead cover is connected with the sample hanging basket and can be matched with the vacuum tank to form a storage space; heavy concrete is arranged around the storage well; the vacuum tank can be placed in the storage well. The utility model has the advantages as follows: the utility model discloses store the sample in the vacuum tank, can realize the effect of anti-oxidation anticorrosion in the save process, realize the radiation shielding of all directions in the radioactive sample storage process through storing well and sealed shielding lead cover, when having the function of anti-oxidation corrosion of sample and radiation shielding concurrently, realized saving the cost again, avoid the purpose of polluting.
Description
Technical Field
The utility model belongs to the nuclear industry field, concretely relates to radioactive metal sample storage device.
Background
In the application and development of material engineering in the nuclear field, experimental research on radioactive metal samples is often required. These samples are highly radioactive and if stored improperly, will cause radioactive contamination to personnel and the environment. Because the test samples can be reused in the future nuclear power station life prolonging and material research and development, the test samples need to be properly stored, the influence of the test samples on personnel and environment is reduced, and the sample failure caused by oxidation corrosion and the like in the storage process is prevented. At present, most of radioactive metal sample storage devices adopt nitrogen or organic solution to store samples, but the former has poor storage effect and high cost, and the latter can make the samples stick with a large amount of organic solvent, so that the samples are inconvenient to clean when being used again, and a large amount of radioactive waste liquid can be generated.
In view of this, the present invention is especially provided.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims at providing a radiometal sample storage device can provide a new storage mode at least, effectively solves nitrogen gas and preserves the problem with high costs, that organic solvent produces radioactive waste liquid.
The technical scheme of the utility model as follows:
the radioactive metal sample storage device comprises a sealed shielding lead cover, a sample hanging basket, a vacuum tank and a storage well; the sealed shielding lead cover is connected with the sample hanging basket and can be matched with the vacuum tank to form a storage space; the storage well is made of heavy concrete; the vacuum tank is capable of being placed in the storage well; and the sealed shielding lead cover is also provided with a vacuumizing structure.
Furthermore, the radioactive metal sample storage device further comprises an outer sleeve, wherein the outer sleeve is arranged on the inner wall of the storage well and can support the vacuum tank.
Further, in the radioactive metal sample storage device, the vacuum tank is a flanged tank body with an opening at the upper end, and the vacuum tank is in contact with the outer sleeve (6) through an inclined plane arranged at the joint of the tank body and the flange so as to support the vacuum tank to be suspended in the storage well.
Furthermore, in the radioactive metal sample storage device, the flange is provided with a circle of groove, and a sealing O-ring is arranged in the groove and matched with the sealing shielding lead cover.
Further, in the radioactive metal sample storage device, the flange and the sealed and shielded lead cover are provided with fastening structures capable of being matched with each other so as to fix the sealed and shielded lead cover and the vacuum tank relatively.
Further, in the radioactive metal sample storage device, the hermetically-shielded lead cover includes a housing and a lead shielding layer inside the housing; the vacuumizing structure is an air pipe penetrating through the upper part and the lower part of the sealed shielding lead cover; the air pipe is arranged inside the sealed shielding lead cover.
Further, in the above-described radioactive metal sample storage apparatus, the air tube is provided with a turning portion in the hermetically-shielded lead cover, thereby preventing radiation from leaking from the air tube.
Further, in the radioactive metal sample storage device, the number of the air pipes is two, one of the air pipes is provided with the pressure gauge at the tail part to monitor the internal pressure of the vacuum tank, and the other air pipe is divided into two air pipes and provided with the valves respectively for inflating and vacuumizing the vacuum tank.
Further, in the radioactive metal sample storage device, the lifting hanging ring is mounted on the upper portion of the sealed shielding lead cover.
Further, in the above radioactive metal sample storage device, the sample hanging basket is provided with at least two storage spaces, each storage space is provided with a sample box, and the sample box is provided with a self-locking pin for fixing the sample box and the sample hanging basket.
The utility model has the advantages as follows:
the utility model discloses store the sample in the vacuum tank, can realize the effect of anti-oxidation anticorrosion in the save process, realize the radiation shielding of all directions in the radioactive sample storage process through storing well and sealed shielding lead cover, when having the function of anti-oxidation corrosion of sample and radiation shielding concurrently, realized saving the cost again, avoid the purpose of polluting.
Drawings
Fig. 1 is a schematic structural diagram of the radioactive metal sample storage device of the present invention.
Fig. 2 is a partially enlarged view of the structure within the circle in fig. 1.
In the above drawings, 1, a sealed shielding lead cover; 2. a sample hanging basket; 3. a vacuum tank; 4. a lead cover; 5. a storage well; 6. an outer sleeve; 7. a sample cartridge; 8. a basket ring; 9. lifting the lifting ring; 10. the trachea.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1, the utility model provides a radioactive metal sample storage device, which comprises a sealed shielding lead cover 1, a sample hanging basket 2, a vacuum tank 3 and a storage well 5; the sealed shielding lead cover 1 is connected with the sample hanging basket 2 and can be matched with the vacuum tank 3 to form a storage space; heavy concrete is arranged around the storage well 5, so that the leakage of rays to the periphery and the lower part can be shielded; the vacuum tank 3 can be placed in the storage well 5; and a vacuumizing structure is also arranged on the sealed shielding lead cover 1.
As shown in fig. 2, in this embodiment, the vacuum tank further includes an outer sleeve disposed on an inner wall of the storage well 5, and capable of supporting the vacuum tank 3. The outer sleeve 6 is a carbon steel tube which can form a pore channel in the heavy concrete and provide a channel for the lower part of the vacuum tank 3.
The vacuum tank 3 is a flanged tank body with an opening at the upper end, and the vacuum tank 3 is contacted with the outer sleeve 6 through an upper end inclined plane arranged at the joint of the tank body and the flange to support the vacuum tank 3 to be suspended in the storage well 5. The flange is provided with a circle of groove, the sealing O ring is arranged in the groove and is matched with the sealing shielding lead cover 1, air can be prevented from entering and exiting the vacuum tank 3, and therefore the vacuum tank 3 can be pumped into a vacuum state. The flange and the sealed shielding lead cover 1 are provided with fastening structures which can be matched with each other so that the sealed shielding lead cover 1 and the vacuum tank 3 are relatively fixed. In this embodiment, fastening structure is including setting up the screw hole at the flange edge of vacuum tank 3, set up in through-hole and bolt on the lead cover of sealed shielding 1, through the fixed of screw hole, through-hole and bolt, vacuum tank 3 and sealed shielding lead cover 1 can form wholly, the whole transfer of being convenient for.
The sealed shielding lead cover 1 comprises a shell and a lead shielding layer inside the shell; the vacuumizing structure is internally provided with an air pipe 10 which penetrates through the upper part and the lower part of the sealed shielding lead cover; the air pipe 10 is arranged inside the sealed shielding lead cover 1. The shell is a stainless steel shell, the lead shielding layer is formed by pouring metal lead, and the lead shielding layer has the functions of shielding upward rays, connecting the sample hanging basket 2, communicating a vacuum storage container, inflating, vacuumizing and the like. The gas tube 10 is provided with a turning portion in the hermetically-shielded lead cover 1, thereby preventing radiation from leaking from the gas tube 10. The air pipe is two, and the manometer is installed to one of them trachea afterbody, monitors vacuum tank 3 internal pressure, and another afterbody is divided into two routes to respectively install a valve, be used for the inflation and the evacuation of vacuum tank 3.
The upper part of the sealed shielding lead cover 1 is provided with a lifting hanging ring 9 so as to lift the sealed shielding lead cover 1 together with the sample hanging basket 2 by using a crane; when the vacuum tank 3 and the sealed shielding lead cover 1 are connected through a fastening structure, the crane can lift the sealed shielding lead cover 1, the sample hanging basket 2 and the vacuum tank 3 together through the lifting rings 9.
The sample basket 2 is connected with the sealed shielding lead cover 1 through a basket ring 8, and at least two storage spaces (30 in the embodiment) are arranged. Storage space can be separated by the baffle and forms, and every storage space is provided with sample box 7, and it is used for fixing to set up on the sample box 7 and sample hanging flower basket 2 from the locking pin, insert the anterior locking hole of baffle through the pin and fix sample box 7 and sample hanging flower basket 2, guarantee that sample box 7 can not take place to drop in the hanging flower basket motion process, avoid the radioactive sample to scatter.
The sample box 7 is a square box with an opening at the top, and a large number of samples such as impact, CT, stretching and the like can be placed in the sample box; the front part of the sample box 7 is provided with a locking device which is composed of a spring, a tapered end and the like and can fix the sample box 7 and the sample hanging basket 2; the end face of the sample box 7 is provided with a unique number which is used for recording a sample storage file.
The storage devices can be arranged in a rectangular array, so that the quantity of radioactive metal samples stored in the whole storage system is increased. The device has not only satisfied the requirement that the radioactive metal sample stored, makes things convenient for depositing and taking out of sample simultaneously, prevents that the sample from appearing the condition emergence of scattering, can also move whole vacuum storage device in addition.
In addition, a lead cover 4 is arranged above the storage well 5, so that the vacuum tank 3 can be supported, and the leakage of rays from the oblique upper part can be shielded.
When the vacuum tank is used, firstly, the air valve is opened, the lock is unlocked, the fixing screw on the lead cover 1 is sealed and shielded, and air is filled into the vacuum tank 3, so that the internal pressure and the external pressure of the vacuum tank 3 are balanced; secondly, hanging a crane hook on the lifting hanging ring 9, and hanging the whole hanging basket out of the vacuum tank 3 through a crane; thirdly, the hanging basket is conveyed to a sample operating platform, and the height of the hanging basket is adjusted through a crane, so that the specified sample box 7 is flush with the operating platform; then, unlocking a locking device on the sample box 7 through a manipulator, and extracting the sample box 7 from the hanging basket; then, taking out or putting in the radioactive metal sample through a manipulator, and after the relevant operation is finished, putting the sample box 7 back to the hanging basket, and ensuring that the sample box 7 is in a locking state; and finally, transporting the hanging basket back to the storage well 5 through a crane, removing the lifting hook, closing the air release valve, simultaneously opening the exhaust valve, opening the vacuum pump, extracting air in the vacuum tank 3, and closing the exhaust valve and the vacuum pump after the pressure is reduced to a certain degree, thereby completing all processes of storing or taking out the sample.
The utility model discloses store the sample in vacuum tank 3, can realize the effect of anti-oxidation anticorrosion in the save process, through the radiation shielding of storing well 5 and the radioactive sample storage in-process all directions of sealed shielding lead cover 1 realization, when having the function of anti-oxidation corruption of sample and radiation shielding concurrently, realized saving the cost again, avoid the purpose of pollution.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to encompass such modifications and variations.
Claims (10)
1. The radioactive metal sample storage device is characterized by comprising a sealed shielding lead cover (1), a sample hanging basket (2), a vacuum tank (3) and a storage well (5); the sealed shielding lead cover (1) is connected with the sample hanging basket (2) and can be matched with the vacuum tank (3) to form a storage space; the storage well (5) is made of heavy concrete; the vacuum tank (3) can be placed in the storage well (5); and a vacuumizing structure is also arranged on the sealed shielding lead cover (1).
2. A radioactive metal sample storage device according to claim 1, further comprising an outer sleeve disposed on the inner wall of the storage well (5) and capable of supporting the vacuum tank (3).
3. The radioactive metal sample storage device according to claim 2, wherein the vacuum tank (3) is a flanged tank with an open upper end, and the vacuum tank (3) is in contact with the outer sleeve (6) through an inclined surface arranged at the joint of the tank and the flange to support the vacuum tank (3) to be suspended in the storage well (5).
4. A radiometal sample storage device as claimed in claim 3, wherein the flange has a circumferential groove in which a sealing O-ring is located for engagement with the lead cover (1) of the sealed shielding.
5. A radioactive metal sample storage device according to claim 4, wherein the flange and the lead enclosure (1) are provided with mutually engageable fastening formations to secure the lead enclosure (1) relative to the vacuum vessel (3).
6. The radiometal sample storage device of claim 1, wherein the hermetically shielded lead cover (1) comprises a housing and a lead shielding layer inside the housing; the vacuum pumping structure is an air pipe (10) penetrating through the upper part and the lower part of the sealed shielding lead cover; the air pipe (10) is arranged inside the sealed shielding lead cover (1).
7. The radiometal sample storage device of claim 6, wherein the trachea (10) is provided with a break in the hermetically shielded lead cover (1) to prevent leakage of radiation from the trachea.
8. The radioactive metal sample storage device according to claim 7, wherein the number of the air pipes (10) is two, one of the air pipes is provided with a pressure gauge at its end portion for monitoring the internal pressure of the vacuum tank (3), and the other air pipe is divided into two air pipes and provided with a valve for inflating and evacuating the vacuum tank (3).
9. A radioactive metal sample storage apparatus according to any one of claims 1 to 8, wherein a lifting eye (9) is mounted on the upper portion of the lead cover (1).
10. A radioactive metal sample storage device according to any one of claims 1 to 8, wherein the sample basket (2) is provided with at least two storage spaces, each storage space being provided with a sample cassette (7), the sample cassettes (7) being provided with self-locking pins for securing the sample cassettes (7) to the sample basket (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921265944.6U CN210823651U (en) | 2019-08-06 | 2019-08-06 | Radioactive metal sample storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921265944.6U CN210823651U (en) | 2019-08-06 | 2019-08-06 | Radioactive metal sample storage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210823651U true CN210823651U (en) | 2020-06-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921265944.6U Active CN210823651U (en) | 2019-08-06 | 2019-08-06 | Radioactive metal sample storage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210823651U (en) |
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2019
- 2019-08-06 CN CN201921265944.6U patent/CN210823651U/en active Active
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