CN215680139U - Shielding device for storing radioactive gas of high-temperature gas cooled reactor - Google Patents
Shielding device for storing radioactive gas of high-temperature gas cooled reactor Download PDFInfo
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- CN215680139U CN215680139U CN202122008240.4U CN202122008240U CN215680139U CN 215680139 U CN215680139 U CN 215680139U CN 202122008240 U CN202122008240 U CN 202122008240U CN 215680139 U CN215680139 U CN 215680139U
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Abstract
The utility model relates to the technical field of radiation shielding, in particular to a shielding device for storing radioactive gas of a high-temperature gas cooled reactor. The shielding device for storing the radioactive gas of the high-temperature gas cooled reactor comprises: an inner tank adapted to store a radioactive gas; the outer tank body is sleeved on the outer side of the inner tank body, the outer tank body and the inner tank body are arranged at intervals to form a spacing layer, and shielding materials are filled in the spacing layer. According to the shielding device for storing the radioactive gas of the high-temperature gas cooled reactor, the outer tank body is arranged on the outer side of the inner tank body in a sleeved mode, the outer tank body and the inner tank body are arranged at intervals to form the spacing layer, three layers of radiation shielding of the inner tank body, the middle shielding material filling layer and the outer tank body are achieved, the radiation shielding effect is effectively enhanced, the defect that a waste gas storage tank in the prior art is poor in radiation protection effect is overcome, and the shielding device for storing the radioactive gas of the high-temperature gas cooled reactor is strong in shielding performance and good in radiation protection effect.
Description
Technical Field
The utility model relates to the technical field of radiation shielding, in particular to a shielding device for storing radioactive gas of a high-temperature gas cooled reactor.
Background
The development and application of nuclear power technology bring great benefits and convenience to production and life of people, at present, a high-temperature gas cooled reactor is generally recognized as one of the most advanced fourth-generation nuclear energy systems, a helium auxiliary system is usually arranged in the high-temperature gas cooled reactor, helium waste gas has radioactivity, and in order to avoid radioactive pollution to the environment, a waste gas storage tank is required to be used for collecting and storing radioactive waste helium gas generated by the helium auxiliary system. Because the room of the waste gas storage tank of the helium auxiliary system of the high-temperature gas cooled reactor is also provided with other equipment pipelines such as a diaphragm compressor of the system and the like, personnel are required to enter the room for operation, the waste gas storage tank needs to be shielded, so that the room meets the requirement standard of radiation protection, and radiation hazard to the personnel is avoided.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved by the utility model is to overcome the defect of poor radiation protection effect of the waste gas storage tank in the prior art, so as to provide a shielding device for storing radioactive gas of a high-temperature gas cooled reactor, which has strong shielding property and good radiation protection effect.
In order to solve the above technical problem, the present invention provides a shielding device for storing radioactive gas of a high temperature gas cooled reactor, including:
an inner tank adapted to store a radioactive gas;
the outer tank body is sleeved on the outer side of the inner tank body, the outer tank body and the inner tank body are arranged at intervals to form a spacing layer, and shielding materials are filled in the spacing layer.
Optionally, the shielding device for storing radioactive gas of the high temperature gas cooled reactor further includes: and the material filling port is arranged at the top end of the outer tank body, is communicated with the spacing layer and is suitable for filling shielding materials into the spacing layer.
Optionally, the shielding device for storing radioactive gas of the high temperature gas cooled reactor further includes: and the supporting part is arranged in the spacing layer, is suitable for connecting the inner tank body and the outer tank body and is suitable for ensuring that the gap between the inner tank body and the outer tank body is uniform.
Optionally, the shielding device for storing radioactive gas of the high temperature gas cooled reactor further includes: and the storage tank supporting structure is arranged below the outer tank body, is fixedly connected with the outer tank body and is suitable for supporting the outer tank body.
Optionally, the shielding device for storing radioactive gas of the high temperature gas cooled reactor further includes: and the air inlet is arranged on the inner tank body and is suitable for guiding the air in the external pipeline into the inner part of the inner tank body.
Optionally, the shielding device for storing radioactive gas of the high temperature gas cooled reactor further includes: and the gas outlet is arranged on the inner tank body and is suitable for leading the gas in the inner tank body out to an external pipeline.
Optionally, the shielding device for storing radioactive gas of the high temperature gas cooled reactor further includes: and the blow-off pipe is arranged at the bottom end of the inner tank body and is suitable for discharging dust particles in the gas in the inner tank body.
Optionally, the shielding material filled in the spacer layer is lead.
Optionally, the inner tank body and the outer tank body are made of metal.
Optionally, the inner tank body and the outer tank body are made of carbon steel.
The technical scheme of the utility model has the following advantages:
1. the shielding device for storing the radioactive gas of the high-temperature gas cooled reactor is provided with the inner tank body for storing the radioactive gas, the outer tank body is arranged on the outer side of the inner tank body in a sleeved mode, the outer tank body and the inner tank body are arranged at intervals to form the spacing layer, the gas storage tank is made into a hollow double-layer metal structure, the radiation shielding effect is enhanced through the double-layer metal structure, the radiation shielding effect is further enhanced through filling the shielding material in the hollow part, and the strong radiation shielding effect is achieved through three-layer radiation shielding of the inner tank body, the middle shielding material filling layer and the outer tank body, so that the waste gas is stored, the good radiation protection effect is achieved, and radioactive pollution of the radioactive gas to the environment and radiation damage to a human body are effectively avoided.
2. According to the shielding device for storing the radioactive gas of the high-temperature gas cooled reactor, the material filling port is formed in the top end of the outer tank body, so that the isolation layer is communicated with the outside, shielding materials can be conveniently filled into the isolation layer through the material filling port, the radiation shielding materials can be filled in advance according to field requirements, and can also be filled after equipment is installed in place, and the shielding device is flexible and convenient to operate.
3. According to the shielding device for storing the radioactive gas of the high-temperature gas cooled reactor, the inner tank body and the outer tank body are connected through the support part arranged in the spacing layer, so that the inner tank body is supported, the stability of the inner tank body is ensured, and meanwhile, the uniform gap between the inner tank body and the outer tank body is ensured, so that the shielding material is uniformly filled in the spacing layer, and the shielding effect is better achieved.
4. According to the shielding device for storing the radioactive gas of the high-temperature gas cooled reactor, the storage tank supporting structure is arranged to support the outer tank body, so that the overall supporting effect on the shielding device is realized, the structure of the shielding device is stable, and the overall stability is enhanced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a shielding device for storing radioactive gas of a high temperature gas cooled reactor according to the present invention.
Description of reference numerals:
1. a storage tank support structure; 2. an outer tank body; 3. a spacer layer; 4. an inner tank body; 5. a material fill port; 6. a support portion; 7. an air inlet; 8. an air outlet; 9. a sewage discharge pipe.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1, the shielding apparatus for storing radioactive gas of a high temperature gas cooled reactor according to the present embodiment includes:
an inner tank 4 adapted to store radioactive gas;
the outer tank body 2 is sleeved on the outer side of the inner tank body 4, the outer tank body 2 and the inner tank body 4 are arranged at intervals to form a spacing layer 3, and shielding materials are filled in the spacing layer 3.
It should be noted that the waste gas of the high temperature gas cooled reactor has radioactivity, and in order to avoid the radiation hazard of radioactive gas to the environment and human body, the shielding device for storing the radioactive gas of the high temperature gas cooled reactor needs to have strong shielding effect on the radioactivity of the gas while storing the gas.
Preferably, the inner tank body 4 is manufactured according to the requirement of pressure-bearing equipment, meets the pressure-bearing requirement of stored gas, and is sealed when the gas is stored, so that the gas is prevented from leaking outwards.
Preferably, the thickness of the spacer layer 3 is designed and adjusted according to the radiation dose.
The shielding device for storing the radioactive gas of the high-temperature gas cooled reactor, provided by the embodiment, is provided with the inner tank body 4 for storing the radioactive gas, and meanwhile, the outer tank body 2 is sleeved outside the inner tank body 4, the outer tank body 2 and the inner tank body 4 are arranged at intervals to form the spacing layer 3, the gas storage tank is made into a hollow double-layer metal structure, the radiation shielding effect is enhanced by the double-layer metal structure, the radiation shielding effect is further enhanced by filling the shielding material in the hollow part, and a stronger radiation shielding effect is realized by three-layer radiation shielding of the inner tank body, the middle shielding material filling layer and the outer tank body, so that the better radiation protection effect is achieved while the storage of waste gas is realized, and the radioactive pollution of the radioactive gas to the environment and the radiation hazard to the human body are effectively avoided.
Specifically, the shielding device for storing radioactive gas of the high-temperature gas-cooled reactor further comprises: and the material filling port 5 is arranged at the top end of the outer tank body 2, is communicated with the spacing layer 3 and is suitable for filling shielding materials into the spacing layer 3.
According to the shielding device for storing the radioactive gas of the high-temperature gas cooled reactor, the material filling port 5 is formed in the top end of the outer tank body 2, so that the partition layer 3 is communicated with the outside, the shielding material can be conveniently filled into the partition layer 3 through the material filling port 5, the shielding material can be filled in advance according to the field requirement, and can also be filled after the equipment is installed in place, and the operation is flexible and convenient.
Specifically, the shielding device for storing radioactive gas of the high-temperature gas-cooled reactor further comprises: and the supporting part 6 is arranged in the spacing layer 3, is suitable for connecting the inner tank body 4 with the outer tank body 2 and is suitable for ensuring that the gap between the inner tank body 4 and the outer tank body 2 is uniform.
Preferably, one end of the supporting part 6 is connected with the outer surface of the inner tank body 4, and the end far away from the inner tank body 4 is connected with the inner surface of the outer tank body 2, so that the outer tank body 2 can support the inner tank body 4, and the stability of the inner tank body 4 is enhanced.
According to the shielding device for storing the radioactive gas of the high-temperature gas cooled reactor, the inner tank body 4 and the outer tank body 2 are connected through the support part 6 arranged in the spacing layer 3, so that the inner tank body 4 is supported, the stability of the inner tank body 4 is ensured, and meanwhile, the uniform gap between the inner tank body 4 and the outer tank body 2 is ensured, so that the shielding material is uniformly filled in the spacing layer 3, and the shielding effect is better achieved.
Specifically, the shielding device for storing radioactive gas of the high-temperature gas-cooled reactor further comprises: the storage tank supporting structure 1 is arranged below the outer tank body 2, is fixedly connected with the outer tank body 2, and is suitable for supporting the outer tank body 2.
According to the shielding device for storing the radioactive gas of the high-temperature gas cooled reactor, the storage tank supporting structure 1 is arranged to support the outer tank body 2, so that the overall supporting effect on the shielding device is realized, the structure of the shielding device is stable, and the overall stability is enhanced.
Specifically, the shielding device for storing radioactive gas of the high-temperature gas-cooled reactor further comprises: and the air inlet 7 is arranged on the inner tank body 4 and is suitable for guiding air in an external pipeline into the inner tank body 4.
Specifically, the shielding device for storing radioactive gas of the high-temperature gas-cooled reactor further comprises: and the gas outlet 8 is arranged on the inner tank body 4 and is suitable for leading the gas in the inner tank body 4 out to an external pipeline.
Specifically, the shielding device for storing radioactive gas of the high-temperature gas-cooled reactor further comprises: and the blow-off pipe 9 is arranged at the bottom end of the inner tank body 4 and is suitable for discharging dust particles in the gas in the inner tank body 4.
Preferably, the positions and shapes of the air inlet 7, the air outlet 8 and the sewage drain pipe 9 are not limited to the design shown in fig. 1, and can be set according to the specific situations such as actual requirements, space of an installation site and the like.
Preferably, the shielding device for storing radioactive gas of the high temperature gas cooled reactor further comprises: and the measuring interface is arranged on the inner tank body 4 and is suitable for communicating the internal space of the inner tank body 4 with a pipeline of an external measuring device so as to measure the radioactive gas in the inner tank body 4, and the position of the measuring interface is designed according to the actual situation of a field installation space, including but not limited to the top end, the bottom end or the side surface of the inner tank body 4.
Specifically, the shielding material filled in the spacer layer 3 is lead.
Preferably, the type of the shielding material filled in the spacing layer 3 may be adjusted according to the radiation dose, and the shielding material further includes concrete.
Specifically, the inner tank 4 and the outer tank 2 are made of metal.
Preferably, the inner tank 4 and the outer tank 2 are made of metal plates, so that the required rigidity and strength are met, and a certain radiation protection effect is achieved.
Specifically, the inner tank 4 and the outer tank 2 are made of carbon steel.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.
Claims (10)
1. A shielding apparatus for storing radioactive gas in a high temperature gas cooled reactor, comprising:
an inner tank (4) adapted to store a radioactive gas;
the outer tank body (2) is sleeved on the outer side of the inner tank body (4), the outer tank body (2) and the inner tank body (4) are arranged at intervals to form a spacing layer (3), and shielding materials are filled in the spacing layer (3).
2. The shielding apparatus for high temperature gas cooled reactor radioactive gas storage according to claim 1, further comprising: and the material filling port (5) is arranged at the top end of the outer tank body (2), is communicated with the spacing layer (3), and is suitable for filling shielding materials into the spacing layer (3).
3. The shielding apparatus for high temperature gas cooled reactor radioactive gas storage according to claim 1, further comprising: the supporting portion (6) is arranged in the spacing layer (3), is suitable for being connected with the inner tank body (4) and the outer tank body (2), and is suitable for ensuring that the gap between the inner tank body (4) and the outer tank body (2) is uniform.
4. The shielding apparatus for high temperature gas cooled reactor radioactive gas storage according to claim 1, further comprising: the storage tank supporting structure (1) is arranged below the outer tank body (2), is fixedly connected with the outer tank body (2), and is suitable for supporting the outer tank body (2).
5. The shielding apparatus for high temperature gas cooled reactor radioactive gas storage according to claim 1, further comprising: and the air inlet (7) is arranged on the inner tank body (4) and is suitable for guiding the air in the external pipeline into the inner tank body (4).
6. The shielding apparatus for high temperature gas cooled reactor radioactive gas storage according to claim 1, further comprising: and the air outlet (8) is arranged on the inner tank body (4) and is suitable for leading the air in the inner tank body (4) out to an external pipeline.
7. The shielding apparatus for high temperature gas cooled reactor radioactive gas storage according to claim 1, further comprising: and the blow-off pipe (9) is arranged at the bottom end of the inner tank body (4) and is suitable for discharging dust particles in the gas in the inner tank body (4).
8. The shielding device for high temperature gas cooled reactor radioactive gas storage according to claim 1, wherein the shielding material filled in the spacing layer (3) is lead.
9. The shielding device for storing radioactive gas of a high temperature gas cooled reactor according to any one of claims 1 to 8, wherein the inner tank (4) and the outer tank (2) are made of metal.
10. The shielding device for storing radioactive gas of a high temperature gas cooled reactor according to claim 9, wherein the inner tank (4) and the outer tank (2) are made of carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122008240.4U CN215680139U (en) | 2021-08-24 | 2021-08-24 | Shielding device for storing radioactive gas of high-temperature gas cooled reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122008240.4U CN215680139U (en) | 2021-08-24 | 2021-08-24 | Shielding device for storing radioactive gas of high-temperature gas cooled reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215680139U true CN215680139U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122008240.4U Active CN215680139U (en) | 2021-08-24 | 2021-08-24 | Shielding device for storing radioactive gas of high-temperature gas cooled reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215680139U (en) |
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2021
- 2021-08-24 CN CN202122008240.4U patent/CN215680139U/en active Active
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