CN212540728U - Radioactive iodine monitoring equipment with nuclide identification function - Google Patents
Radioactive iodine monitoring equipment with nuclide identification function Download PDFInfo
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- CN212540728U CN212540728U CN202021450657.5U CN202021450657U CN212540728U CN 212540728 U CN212540728 U CN 212540728U CN 202021450657 U CN202021450657 U CN 202021450657U CN 212540728 U CN212540728 U CN 212540728U
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Abstract
A radioactive iodine monitoring device with a nuclide identification function comprises a shell, an iodine lead chamber, a measuring mechanism, an air inlet cover, an air outlet cover and an iodine adsorption box, wherein the iodine lead chamber is arranged on the right side in the shell; the utility model adopts the above technical scheme, good effect has been gained: the radioactive iodine monitoring equipment with the nuclide identification function is characterized in that air-borne effluents containing radioactive iodine are introduced from the upper air inlet pipe, the radioactive iodine is adsorbed in the iodine adsorption box, and the radioactive iodine in the iodine adsorption box is monitored through the measuring module, so that the real-time monitoring of the radioactive iodine in the air is realized, the identification of iodine nuclides of the radioactive iodine is effectively met, and the production life around nuclear facilities is guaranteed.
Description
Technical Field
The utility model belongs to the technical field of nuclear radiation monitoring, especially, relate to a radioactive iodine monitoring facilities with nuclide recognition function.
Background
With the widespread use of nuclear energy and nuclear technology, the large amount of radioactive gas generated during the production and decommissioning of nuclear facilities can pose a potential threat to the society and the ecological environment. Radioactive iodine in radioactive gas-carried effluents is an important parameter for gas monitoring, and is widely applied to medical diagnosis and treatment, nuclear accident detection, underground water searching, underground water flow velocity and flow direction determination, underground pipeline leakage searching and the like. Radioiodine refers to a radioactive isotope of iodine, except for a steady state127Other known isotopes than I, the main radioisotopes comprising129I、131I、123I、124I、125I, and the like, the existing radioactive iodine monitoring equipment only has the function of testing the total activity of nuclide and does not have the function of identifying the iodine nuclide. Therefore, there is a need for a novel monitoring device to solve the problem that the existing radioactive iodine monitoring device only tests the total activity of nuclides and does not have an iodine nuclide identification function, so that the device cannot be safely monitored.
SUMMERY OF THE UTILITY MODEL
The utility model provides a radioiodine monitoring facilities with nuclide identification function for solve current radioiodine monitoring facilities only have nuclide total activity test not have iodine nuclide identification function and cause the problem of the unable safe supervision of equipment.
The utility model adopts the following technical scheme
A radioactive iodine monitoring device with a nuclide identification function comprises a shell, an iodine lead chamber, a measuring mechanism, an air inlet cover, an air outlet cover and an iodine adsorption box, wherein the iodine lead chamber is arranged on the right side in the shell; the shell is a rectangular shell, the lower part of the shell is symmetrically provided with supports from left to right, the right side of the upper surface of the shell is provided with an air inlet, and the right side of the lower surface of the shell and the air inlet are provided with air outlet holes corresponding to the air inlet up and down; the iodine lead chamber is a rectangular box body, a round measuring hole is formed in the left side of the iodine lead chamber, an air inlet through hole is formed in the middle of the upper surface of the iodine lead chamber, and the air inlet through hole corresponds to an air inlet hole of the shell; the middle part of the lower surface of the iodine-lead chamber is provided with an air outlet through hole, the air outlet through hole corresponds to the air outlet hole of the shell, and the iodine-lead chamber is made of a lead plate with a shielding function.
The measuring mechanism is a NaI measuring module and is a measurer with an iodine nuclide identification function, and the outer circle of the right side of the measuring mechanism is matched with the measuring hole in the left side of the iodine lead chamber.
The air inlet cover is a conical shell which is communicated from top to bottom, the upper end of the air inlet cover is an air inlet, an air inlet pipe is arranged at the upper end of the air inlet cover, the middle of the air inlet pipe penetrates through an air inlet through hole of the iodine lead chamber and an air inlet hole of the shell, and a connecting flange is arranged at the upper end of the outer circle of the air inlet pipe.
The air outlet cover is an inverted cone-shaped shell which is communicated up and down, the lower end of the air outlet cover is an air outlet, an air outlet pipe is arranged at the lower end of the air outlet cover, the middle part of an air outlet pipeline penetrates through an air outlet through hole of the iodine lead chamber and an air outlet hole of the shell, and a connecting flange is arranged at the lower end of the outer circle of the air outlet pipe.
The diameter of the upper part of the air outlet cover is the same as that of the lower part of the air inlet cover, and a distance is kept between the upper end surface of the air outlet cover and the lower end surface of the air inlet cover.
The iodine adsorption box is a cylindrical gaseous iodine adsorber, the upper part of the iodine adsorption box is in contact with the lower end of the air inlet cover, and the lower part of the iodine adsorption box is in contact with the upper end of the air outlet cover.
The utility model adopts the above technical scheme, good effect has been gained: the radioactive iodine monitoring equipment with the nuclide identification function is characterized in that air-borne effluents containing radioactive iodine are introduced from the upper air inlet pipe, the radioactive iodine is adsorbed in the iodine adsorption box, and the radioactive iodine in the iodine adsorption box is monitored through the measuring module, so that the real-time monitoring of the radioactive iodine in the air is realized, the identification of iodine nuclides of the radioactive iodine is effectively met, and the production life around nuclear facilities is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the device comprises a shell, 2, a measuring mechanism, 3, a support, 4, an air outlet pipe, 5, an air outlet cover, 6, an iodine adsorption box, 7, an iodine lead chamber, 8, an air inlet cover, 9, an air inlet pipe, 10 and a vacuum pump.
Detailed Description
The present invention will be described with reference to the accompanying drawings.
As shown in fig. 1, the radioactive iodine monitoring device with nuclide identification function comprises a shell 1, an iodine lead chamber 7, a measuring mechanism 2, an air inlet cover 8, an air outlet cover 5 and an iodine adsorption box 6, wherein the shell 1 is a rectangular shell, supports 3 are symmetrically arranged on the left and right of the lower part of the shell 1, air inlet holes are formed in the right side of the upper surface of the shell 1, and air outlet holes are formed in the right side of the lower surface of the shell 1 and correspond to the air inlet holes up and down; the iodine lead chamber 7 is arranged on the right side in the shell 1, the iodine lead chamber 7 is a rectangular box body, a circular measuring hole is arranged on the left side of the iodine lead chamber 7, an air inlet through hole is formed in the middle of the upper surface of the iodine lead chamber 7, and the air inlet through hole corresponds to an air inlet hole of the shell 1; the middle part of the lower surface of the iodine lead chamber 7 is provided with an air outlet through hole which corresponds to the air outlet hole of the shell 1; the iodine lead chamber 7 is made of lead plates with shielding functions; the measuring mechanism 2 is arranged on the left side in the shell 1, the measuring mechanism 2 is a NaI measuring module and is a measurer with an iodine nuclide identification function, and the outer circle of the right side of the measuring mechanism 2 is matched with a measuring hole on the left side of the iodine lead chamber 7; the air inlet cover 8 is arranged at the upper part of the inner side of the iodine lead chamber 7, the air inlet cover 8 is a conical shell which is communicated up and down, the upper end of the air inlet cover 8 is an air inlet, an air inlet pipe 9 is arranged at the upper end of the air inlet cover 8, the middle part of the air inlet pipe 9 penetrates through an air inlet through hole of the iodine lead chamber 7 and an air inlet hole of the shell 1, and the upper end of the excircle of the air inlet pipe 9 is; the air outlet cover 5 is arranged at the lower part of the inner side of the iodine lead chamber 7, the air outlet cover 5 is an inverted conical shell which is communicated up and down, the lower end of the air outlet cover 5 is an air outlet, an air outlet pipe 4 is arranged at the lower end of the air outlet cover 5, the middle part of the air outlet pipe 4 passes through an air outlet through hole of the iodine lead chamber 7 and an air outlet hole of the shell 1, and the lower end of the excircle of the air outlet pipe 4 is provided with; the diameter of the upper part of the air outlet cover 5 is the same as that of the lower part of the air inlet cover 8, and a space is kept between the upper end surface of the air outlet cover 5 and the lower end surface of the air inlet cover 8; the iodine adsorption box 6 is arranged between an air inlet cover 8 and an air outlet cover 5 in the iodine lead chamber 7, the iodine adsorption box 6 is a cylindrical gaseous iodine adsorber, the upper part of the iodine adsorption box 6 is in contact with the lower end of the air inlet cover 8, and the lower part of the iodine adsorption box 6 is in contact with the upper end of the air outlet cover 5.
When the radioactive iodine monitoring equipment with the nuclide identification function is used, firstly, the outlet at the lower end of the air outlet pipe 4 is connected with the air inlet pipe of the vacuum pump 10, the vacuum pump 10 is started, negative pressure is formed at the upper end of the air inlet pipe 9, air current carrying substances containing radioactive iodine are led in from the air inlet pipe 9 at the upper part of the air inlet cover 8 through the negative pressure, the radioactive iodine contained in the air current carrying substances can be adsorbed into the iodine adsorption box 6 after passing through the air inlet cover 8, then the air current carrying substances flow out to the outside through the air outlet cover 5 and the air outlet pipe 4 at the lower part, and simultaneously, the radioactive iodine in the iodine adsorption box 6 is measured by the measuring mechanism 2 in the shell 1, and data is transmitted into the storage equipment through the control mechanism to be recorded and analyzed, and the measuring process of the radioactive iodine in.
The part of the utility model not detailed is prior art.
Claims (6)
1. The utility model provides a radioactive iodine monitoring facilities with nuclide recognition function, includes shell (1), iodine lead chamber (7), measuring mechanism (2), inlet hood (8), goes out air hood (5) and iodine adsorption box (6), characterized by: the iodine lead chamber (7) is arranged on the right side in the shell (1), the measuring mechanism (2) is arranged on the left side in the shell (1), the air inlet cover (8) is arranged on the upper portion of the inner side of the iodine lead chamber (7), the air outlet cover (5) is arranged on the lower portion of the inner side of the iodine lead chamber (7), and the iodine adsorption box (6) is arranged between the air inlet cover (8) and the air outlet cover (5) in the iodine lead chamber (7); the shell (1) is a rectangular shell, the supports (3) are arranged on the lower portion of the shell (1) in a bilateral symmetry mode, an air inlet hole is formed in the right side of the upper surface of the shell (1), and air outlet holes are formed in the right side of the lower surface of the shell (1) and correspond to the air inlet hole in the vertical direction; the iodine lead chamber (7) is a rectangular box body, a round measuring hole is formed in the left side of the iodine lead chamber (7), an air inlet through hole is formed in the middle of the upper surface of the iodine lead chamber (7), and the air inlet through hole corresponds to an air inlet hole of the shell (1); an air outlet through hole is formed in the middle of the lower surface of the iodine lead chamber (7), the air outlet through hole corresponds to the air outlet hole of the shell (1), and the iodine lead chamber (7) is made of a lead plate with a shielding function.
2. A radioiodine monitoring apparatus having a nuclide identification function as claimed in claim 1, wherein: the measuring mechanism (2) is a NaI measuring module and is a measurer with an iodine nuclide identification function, and the outer circle of the right side of the measuring mechanism (2) is matched with a measuring hole in the left side of the iodine plumbum chamber (7) to be installed.
3. A radioiodine monitoring apparatus having a nuclide identification function as claimed in claim 1, wherein: the iodine lead chamber air inlet cover is characterized in that the air inlet cover (8) is a conical shell which is communicated up and down, the upper end of the air inlet cover (8) is an air inlet, an air inlet pipe (9) is arranged at the upper end of the air inlet cover (8), the middle of the air inlet pipe (9) penetrates through an air inlet through hole of the iodine lead chamber (7) and an air inlet hole of the shell (1), and a connecting flange is arranged at the upper end of the excircle of the air inlet pipe (.
4. A radioiodine monitoring apparatus having a nuclide identification function as claimed in claim 1, wherein: the air outlet cover (5) is an inverted cone-shaped shell which is communicated from top to bottom, the lower end of the air outlet cover (5) is an air outlet, an air outlet pipe (4) is arranged at the lower end of the air outlet cover (5), the middle of the air outlet pipe (4) penetrates through an air outlet through hole of the iodine lead chamber (7) and an air outlet hole of the shell (1), and a connecting flange is arranged at the lower end of the outer circle of the air outlet pipe (4).
5. A radioiodine monitoring apparatus having a nuclide identification function as claimed in claim 1, wherein: the diameter of the upper part of the air outlet cover (5) is the same as that of the lower part of the air inlet cover (8), and a distance is kept between the upper end surface of the air outlet cover (5) and the lower end surface of the air inlet cover (8).
6. A radioiodine monitoring apparatus having a nuclide identification function as claimed in claim 1, wherein: the iodine adsorption box (6) is a cylindrical gaseous iodine adsorber, the upper part of the iodine adsorption box (6) is in contact with the lower end of the air inlet cover (8), and the lower part of the iodine adsorption box (6) is in contact with the upper end of the air outlet cover (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021450657.5U CN212540728U (en) | 2020-07-22 | 2020-07-22 | Radioactive iodine monitoring equipment with nuclide identification function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021450657.5U CN212540728U (en) | 2020-07-22 | 2020-07-22 | Radioactive iodine monitoring equipment with nuclide identification function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212540728U true CN212540728U (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021450657.5U Active CN212540728U (en) | 2020-07-22 | 2020-07-22 | Radioactive iodine monitoring equipment with nuclide identification function |
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| Country | Link |
|---|---|
| CN (1) | CN212540728U (en) |
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2020
- 2020-07-22 CN CN202021450657.5U patent/CN212540728U/en active Active
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