CN220677329U - Radioactive waste gas purifying device - Google Patents
Radioactive waste gas purifying device Download PDFInfo
- Publication number
- CN220677329U CN220677329U CN202322205991.4U CN202322205991U CN220677329U CN 220677329 U CN220677329 U CN 220677329U CN 202322205991 U CN202322205991 U CN 202322205991U CN 220677329 U CN220677329 U CN 220677329U
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- China
- Prior art keywords
- water tank
- adsorption
- waste gas
- water
- air inlet
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- 239000007789 gas Substances 0.000 title claims abstract description 32
- 239000002901 radioactive waste Substances 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- 238000001179 sorption measurement Methods 0.000 claims abstract description 48
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000000746 purification Methods 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims abstract description 7
- 239000007921 spray Substances 0.000 claims abstract description 6
- 230000002285 radioactive effect Effects 0.000 claims description 9
- 239000003365 glass fiber Substances 0.000 claims description 8
- 230000003020 moisturizing effect Effects 0.000 claims description 2
- 239000002912 waste gas Substances 0.000 abstract description 6
- 230000001502 supplementing effect Effects 0.000 abstract description 3
- 239000012217 radiopharmaceutical Substances 0.000 description 3
- 229940121896 radiopharmaceutical Drugs 0.000 description 3
- 230000002799 radiopharmaceutical effect Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 238000009206 nuclear medicine Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 101100314150 Caenorhabditis elegans tank-1 gene Proteins 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003904 radioactive pollution Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Abstract
The utility model belongs to the technical field of waste gas purification, and particularly relates to a radioactive waste gas purification device which comprises an adsorption water tank, wherein an air inlet is formed in the lower portion of the adsorption water tank, a coil is arranged at the bottom of the adsorption water tank and connected with the air inlet, air outlets are uniformly formed in the coil, a rotating motor is arranged above the adsorption water tank, an output shaft of the rotating motor is fixedly connected with a rotating shaft arranged in the adsorption water tank, stirring blades are arranged in the lower portion of the rotating shaft, a water supplementing port and an air outlet are formed in the top of the adsorption water tank, and the air outlet is connected with an exhaust pipeline. According to the utility model, the radioactive waste gas is uniformly discharged into the adsorption water tank through the coil pipe, the adsorption liquid is stirred through the stirring blade, so that the full mixing of the radioactive waste gas and the adsorption liquid is ensured, and meanwhile, the adsorption liquid is sprayed downwards through the spray head, so that the mixing of the adsorption liquid and the radioactive waste gas is further ensured, and the purification degree of the radioactive waste gas is improved to the greatest extent.
Description
Technical Field
The utility model belongs to the technical field of waste gas purification, and particularly relates to a radioactive waste gas purification device.
Background
With the rapid development of nuclear medicine, radiopharmaceuticals are also widely used in clinical applications. Because of the specificity of radiopharmaceuticals, radioactive and radioactive waste are generated along with the radioactivity, and besides the radioactivity, the radiopharmaceuticals have high volatility, so that aerosols are generated in the air, are adsorbed on objects, are easy to generate radioactive pollution, and are harmful to personnel and the environment. In order to avoid the radioactive hazard of the non-closed places, reduce the pollution diffusion of the non-closed radioactive operation places, enable the on-site environment to reach the national relevant standard, and enable the treated waste gas to reach the national relevant emission standard regulation, the discharged waste gas is required to be filtered, and the ecological environment is prevented from being polluted due to the application of nuclear medicine.
The currently known treatment modes of radioactive waste gas mainly comprise filtration, adsorption, washing and decay storage; however, in the conventional adsorption treatment, the purpose of purifying the waste gas is mostly achieved by simply allowing the radioactive waste gas to pass through the adsorption liquid, and sufficient contact between the radioactive waste gas and the adsorption liquid is not considered, so that the degree of purifying the radioactive waste gas is limited.
Disclosure of Invention
The present utility model has been made in view of the above-mentioned problems, and provides a radioactive exhaust gas purifying apparatus.
The utility model adopts the following technical scheme to achieve the aim:
the utility model provides a radioactive waste gas purification device, includes adsorption tank's lower part is provided with the air inlet adsorption tank's bottom is provided with the coil pipe, the coil pipe is connected with the air inlet evenly open on the coil pipe and be provided with the venthole adsorption tank's top is provided with the rotating electrical machines, the output shaft of rotating electrical machines and the rotation axis fixed connection of setting in adsorption tank the lower part of rotation axis is provided with stirring vane adsorption tank's top is provided with moisturizing mouth of a river and gas outlet, the gas outlet is connected with exhaust line.
Further, the lower part of the adsorption water tank is provided with a water outlet, the water outlet is connected with an inlet of a water pump through a pipeline, an outlet of the water pump is connected with a water inlet at the upper part of the adsorption water tank through a pipeline, the other end of the water inlet is connected with a water distribution pipe, the water distribution pipe is fixedly arranged at the upper part of an inner cavity of the adsorption water tank, and a plurality of spray heads are uniformly distributed on the water distribution pipe.
Still further still, still include glass fiber filter, glass fiber filter's export is connected with the air inlet of absorption water tank lower part through the air inlet pipeline be provided with the draught fan No. one in the air inlet pipeline the rear of draught fan No. one is provided with the check valve.
Furthermore, a second induced draft fan is arranged on the exhaust pipe.
Further, a radioactivity detector for measuring the degree of purification of exhaust gas is installed on the exhaust pipe.
Further, a liquid level pipe is arranged at one side of the adsorption water tank.
Compared with the prior art, the utility model has the following advantages:
according to the utility model, the radioactive waste gas is uniformly discharged into the adsorption water tank through the coil pipe, the adsorption liquid is stirred through the stirring blade, so that the full mixing of the radioactive waste gas and the adsorption liquid is ensured, and meanwhile, the adsorption liquid is sprayed downwards through the spray head, so that the mixing of the adsorption liquid and the radioactive waste gas is further ensured, and the purification degree of the radioactive waste gas is improved to the greatest extent;
the glass fiber filter is arranged in front of the adsorption water tank, so that the large-particle impurities in the radioactive waste gas can be filtered in a first step, and the large-particle impurities are prevented from polluting the adsorption liquid.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a top view of the coil of the present utility model;
in the figure, an adsorption water tank-1, an air inlet-2, a coil-3, an air outlet hole-4, a rotary motor-5, a rotary shaft-6, a stirring blade-7, a water supplementing port-8, an air outlet-9, an exhaust pipeline-10, an water outlet-11, a water pump-12, a water inlet-13, a water distribution pipe-14, a spray head-15, a glass fiber filter-16, an air inlet pipeline-17, a first induced draft fan-18, a one-way valve-19, a second induced draft fan-20, a radioactivity detector-21 and a liquid level pipe-22.
Detailed Description
In order to further illustrate the technical scheme of the utility model, the utility model is further illustrated by the following examples.
As shown in fig. 1 and 2, a radioactive waste gas purifying device comprises an adsorption water tank 1 and a glass fiber filter 16, wherein an air inlet 2 is formed in the lower portion of the adsorption water tank 1, an outlet of the glass fiber filter 16 is connected with the air inlet 2 in the lower portion of the adsorption water tank 1 through an air inlet pipeline 17, a first induced draft fan 18 is arranged on the air inlet pipeline 17, a one-way valve 19 is arranged behind the first induced draft fan 18, a coil pipe 3 is arranged at the bottom of the adsorption water tank 1, the coil pipe 3 is connected with the air inlet 2, air outlet holes 4 are uniformly formed in the coil pipe 3, a rotating motor 5 is arranged above the adsorption water tank 1, an output shaft of the rotating motor 5 is fixedly connected with a rotating shaft 6 which is arranged in the adsorption water tank 1, a stirring blade 7 is arranged in the lower portion of the rotating shaft 6, a water supplementing port 8 and an air outlet 9 are arranged at the top of the adsorption water tank 1, and the air outlet 9 is connected with an exhaust pipeline 10. A second induced draft fan 20 is arranged on the exhaust pipeline 10, and a radioactivity detector 21 is arranged on the exhaust pipeline 10 and used for measuring the purification degree of the waste gas. The lower part of the adsorption water tank 1 is provided with a water outlet 11, the water outlet 11 is connected with an inlet of a water pump 12 through a pipeline, an outlet of the water pump 12 is connected with a water inlet 13 at the upper part of the adsorption water tank 1 through a pipeline, the other end of the water inlet 13 is connected with a water distribution pipe 14, the water distribution pipe 14 is fixedly arranged at the upper part of the inner cavity of the adsorption water tank 1, and a plurality of spray heads 15 are uniformly distributed on the water distribution pipe 14. A liquid level pipe 22 is provided at one side of the adsorption tank 1.
While the principal features and advantages of the present utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but that the utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. A radioactive waste gas purifying device, characterized in that: including adsorbing water tank (1) the lower part of adsorbing water tank (1) is provided with air inlet (2) the bottom of adsorbing water tank (1) is provided with coil pipe (3), coil pipe (3) are connected with air inlet (2) evenly open on coil pipe (3) is provided with venthole (4) the top of adsorbing water tank (1) is provided with rotating electrical machines (5), the output shaft of rotating electrical machines (5) is with setting up rotation axis (6) fixed connection in adsorbing water tank (1) the lower part of rotation axis (6) is provided with stirring vane (7) the top of adsorbing water tank (1) is provided with moisturizing mouth (8) and gas outlet (9), gas outlet (9) are connected with exhaust line (10).
2. The radioactive exhaust gas purifying apparatus according to claim 1, wherein: the water distribution device is characterized in that a water outlet (11) is formed in the lower portion of the adsorption water tank (1), the water outlet (11) is connected with an inlet of a water pump (12) through a pipeline, an outlet of the water pump (12) is connected with a water inlet (13) in the upper portion of the adsorption water tank (1) through a pipeline, the other end of the water inlet (13) is connected with a water distribution pipe (14), the water distribution pipe (14) is fixedly arranged on the upper portion of an inner cavity of the adsorption water tank (1), and a plurality of spray heads (15) are uniformly distributed on the water distribution pipe (14).
3. The radioactive exhaust gas purifying apparatus according to claim 1, wherein: the device further comprises a glass fiber filter (16), wherein an outlet of the glass fiber filter (16) is connected with an air inlet (2) at the lower part of the adsorption water tank (1) through an air inlet pipeline (17), a first induced draft fan (18) is arranged on the air inlet pipeline (17), and a one-way valve (19) is arranged behind the first induced draft fan (18).
4. The radioactive exhaust gas purifying apparatus according to claim 1, wherein: and a second induced draft fan (20) is arranged on the exhaust pipeline (10).
5. The radioactive exhaust gas purifying apparatus according to claim 1, wherein: a radioactivity detector (21) is mounted on the exhaust pipeline (10) and is used for measuring the purification degree of the exhaust gas.
6. The radioactive exhaust gas purifying apparatus according to claim 1, wherein: a liquid level pipe (22) is arranged on one side of the adsorption water tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322205991.4U CN220677329U (en) | 2023-08-16 | 2023-08-16 | Radioactive waste gas purifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322205991.4U CN220677329U (en) | 2023-08-16 | 2023-08-16 | Radioactive waste gas purifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220677329U true CN220677329U (en) | 2024-03-29 |
Family
ID=90376205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322205991.4U Active CN220677329U (en) | 2023-08-16 | 2023-08-16 | Radioactive waste gas purifying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220677329U (en) |
-
2023
- 2023-08-16 CN CN202322205991.4U patent/CN220677329U/en active Active
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