CN214809187U - Long-acting filtering absorber - Google Patents
Long-acting filtering absorber Download PDFInfo
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- CN214809187U CN214809187U CN202023270733.7U CN202023270733U CN214809187U CN 214809187 U CN214809187 U CN 214809187U CN 202023270733 U CN202023270733 U CN 202023270733U CN 214809187 U CN214809187 U CN 214809187U
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Abstract
The utility model relates to a long-term gas particulate filter, including the casing, the casing has air inlet and gas outlet, and the air inlet is equipped with the air inlet diffuser, and the gas outlet is equipped with the air-out diffuser, is equipped with free radical generator, secondary filter and toxin filter in the casing. An air-blowing cleaning structure is arranged between the fine filter and the toxin filter in the shell, a communication hole is formed in the shell, a gas pipeline is connected to the communication hole, the other end of the gas pipeline is communicated with the air-blowing cleaning structure, a dust collecting device and a fan are sequentially arranged on the gas pipeline along the air flow direction, and the communication hole and the air-blowing cleaning structure are respectively located on two sides of the fine filter along the axial direction of the shell. When the fine filter is blocked, dust on the fine filter is blown down in a back blowing mode through the air blowing cleaning structure, air and dust are brought into the dust collecting device through the fan, the dust is left in the dust collecting device, and the air returns to the shell. The problem of the secondary filter that exists among the prior art easily take place to block up and lead to whole absorber to effectively protect for a long time is solved.
Description
Technical Field
The utility model relates to a civil air defense engineering equipment field, concretely relates to long-term gas particulate filter.
Background
In the prior art, a civil air defense filter absorber is one of main devices for civil air defense engineering, can effectively filter toxic smoke, toxic fog, biological aerosol, radioactive dust, persistent toxic agent steam and other harmful substances in polluted air, and provides filtered clean air for personnel in the civil air defense engineering. The filter absorber generally includes a housing having an air inlet and an air outlet, the air inlet being provided with an air inlet diffuser, the air outlet being provided with an air outlet diffuser, the air inlet and air outlet being provided with blind caps. The shell is internally provided with a free radical generator, a fine filter and a toxin filter. The fine filter can effectively protect toxic agent aerosol, radioactive dust and biological aerosol, can effectively kill biological microorganism living bodies staying on the fine filter through low-temperature active free radicals, and can effectively protect persistent chemical toxic agent steam.
The fine filter is generally made of filter paper, and the interior of the toxin filter is generally filled with activated carbon. The fine filter and the toxin filter are easy to lose efficacy after being wetted, so the filter absorber is strictly opened with blind covers at two ends at ordinary times to avoid losing efficacy due to wetting. However, any link of production, transportation, installation, use and the like has problems that the sealing performance of the filter absorber housing is reduced, and moist air easily enters the housing. And because the fine filter is used for filtering biological microorganisms, radioactive dust, toxic smoke, toxic mist and the like, the fine filter is a place which is easy to block, so that the working time of the whole filtering absorber is short, and the long-term effective protection work cannot be carried out.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a long-term absorber that filters to solve the secondary filter that exists among the prior art and easily take place to block up and lead to the problem that whole absorber can not effectively protect for a long time.
In order to achieve the above object, the utility model discloses a long-term gas particulate filter adopts following technical scheme: the long-acting filtering absorber comprises a shell, wherein the shell is provided with an air inlet diffuser and an air outlet, the air inlet diffuser is provided with an air inlet diffuser, the air outlet diffuser is provided with an air outlet diffuser, blind covers are arranged at the air inlet and the air outlet, a free radical generator, a fine filter and a toxin filter are arranged in the shell, an air blowing cleaning structure for blowing air to clean dust towards the fine filter is arranged between the fine filter and the toxin filter in the shell, a communication hole is formed in the shell, a gas pipeline is connected to the communication hole, the other end of the gas pipeline is communicated with the air blowing cleaning structure, a dust collecting device and a fan are sequentially arranged on the gas pipeline along the air flow direction, and the communication hole and the air blowing cleaning structure are respectively positioned at two sides of the fine filter along the axial direction of the shell.
The air-blowing cleaning structure comprises an air box and more than three pipe bodies which are communicated with the air box and radially distributed along the circumferential direction, and each pipe body is provided with a blowing opening or a nozzle facing the fine filter.
The quantity of body is 6.
The dust collecting device comprises a shell, a plurality of partition plates are arranged in the shell at intervals along the airflow direction, the lower end of one partition plate in any two adjacent partition plates is connected with the shell, the upper end of the partition plate is arranged at intervals with the shell to form an air channel, the upper end of the other partition plate is connected with the shell, and the lower end of the other partition plate is arranged at intervals with the shell to form an air channel.
And a branch gas pipeline is arranged on the gas pipeline at the downstream of the fan, the branch gas pipeline is communicated with the shell part at the downstream of the fine filter, and a drying device or a dust collecting device is arranged on the branch gas pipeline and is internally provided with a drying structure.
The drying structure comprises a heating wire arranged in the shell, wherein the heating wire is arranged on the upper portion of the shell and is positioned between any two partition boards of which the upper ends are connected with the shell.
A humidity sensor is arranged in the shell.
The utility model has the advantages that: when the fine filter takes place to block up, blow the dust blowback that clearance structure got off on with the fine filter through the gas and get off, bring gas and dust into dust collecting device through the fan in, the dust is stayed in dust collecting device, and gas returns to the casing in, adopts the inside gas of casing to carry out the blowback clearance, does not introduce outside air, prevents that external humid gas from getting into. The problem of the secondary filter that exists among the prior art easily take place to block up and lead to whole absorber to effectively protect for a long time is solved.
Drawings
FIG. 1 is a schematic diagram of the construction of one embodiment of a permanent filter absorber of the present invention;
fig. 2 is a schematic structural view of the air-blow cleaning structure of fig. 1.
Detailed Description
The utility model discloses an embodiment of long-term gas particulate filter, as shown in fig. 1-2, including casing 1, casing 1 has air inlet 2 and gas outlet 3, and the air inlet is provided with air inlet diffuser 4, and the gas outlet is provided with air outlet diffuser 5, and air inlet and gas outlet department all are provided with blind cover (not shown in the figure). The shell is internally provided with a free radical generator 6, a fine filter 7 and a toxin filter 8. An air blowing cleaning structure which blows air towards the fine filter to clean dust is arranged between the fine filter and the toxin filter in the shell. The air-blowing cleaning structure comprises an air box 9 and more than three pipe bodies 10 which are communicated with the air box and radially and uniformly distributed along the circumferential direction, wherein the number of the pipe bodies is 6 in the embodiment. Each pipe body is provided with a spray head 11 facing the fine filter, and dust on the fine filter can be blown down in a back blowing mode.
The shell is provided with a communicating hole 12, a gas pipeline 13 is connected with the communicating hole, the other end of the gas pipeline is communicated with the air blowing cleaning structure, and a dust collecting device 14 and a fan 15 are sequentially arranged on the gas pipeline along the air flow direction. The communicating hole and the air-blowing cleaning structure are respectively positioned at two sides of the fine filter along the axial direction of the shell. The dust collecting device comprises a shell 16, a plurality of partition plates 17 are arranged in the shell at intervals along the airflow direction, the lower end of one partition plate in any two adjacent partition plates is connected with the shell, the upper end of the partition plate is arranged at intervals with the shell to form an air channel, the upper end of the other partition plate is connected with the shell, and the lower end of the other partition plate is arranged at intervals with the shell to form an air channel. A branch gas pipeline 18 is arranged on the gas pipeline at the downstream of the fan, the branch gas pipeline is communicated with the shell part at the downstream of the fine filter, and the branch gas pipeline is connected with the gas pipeline through an electric control valve 19. A dehumidification box 21 is further arranged on the bronchus, and the dehumidification box adopts a dehumidification box which takes calcium chloride as a main raw material in the prior art. The dust collecting device is provided with a drying structure, the drying structure comprises a heating wire 20 arranged inside the shell, and the heating wire is arranged on the upper part of the shell and positioned between any two partition boards of which the upper ends are connected with the shell. A humidity sensor is arranged in the shell. The filter absorber also comprises a controller, the humidity sensor is connected with the controller, and the electric control valve is connected with the controller.
When the filter absorber is used, the two ends of the filter absorber are connected and communicated with other equipment through pipelines, pressure sensors are arranged on the pipelines at the two ends of the filter absorber to detect the change of gas pressure at the two sides so as to detect whether a fine filter in the filter absorber is blocked or not, and the content of the part belongs to the prior art. When the fine filter is blocked, the blind covers at two ends can be closed temporarily, dust on the fine filter is blown back through the air blowing cleaning structure, gas and dust are brought into the dust collecting device through the fan, the dust is left in the dust collecting device, the gas returns to the shell, the gas inside the shell is used for back blowing cleaning, external air is not introduced, and external damp gas is prevented from entering. The fine filter can be cleaned in a short time without replacing the fine filter, so that the working time of the whole filter absorber is prolonged, and the filter absorber can work effectively for a long time. And when not working at ordinary times, when the humidity transducer senses that the interior of the inner filter absorber enters humid air, the controller can control the electric control valve to open the branch air pipeline, and simultaneously control the heating wire to work to absorb moisture, so that the working time of the whole filter absorber is prolonged, and the whole filter absorber can effectively work for a long time. Meanwhile, the controller gives an alarm to the staff for maintenance in time.
In other embodiments of the present invention, the number of the tube bodies can be adjusted according to actual needs, for example, 3 or 4 or 5 or 7 or more; the existing drying device can be arranged on the branch gas pipeline without arranging a heating wire in the dust collecting device; the pipe body can be provided with a blowing opening instead of a nozzle.
Claims (7)
1. The utility model provides a long-term gas filter, includes the casing, and the casing has air inlet and gas outlet, and the air inlet is provided with the air inlet diffuser, and the gas outlet is provided with the air outlet diffuser, and air inlet and gas outlet department all are provided with the blind cover, are provided with free radical generator, secondary filter and toxin filter in the casing, its characterized in that: an air blowing cleaning structure for blowing air to clean dust towards the fine filter is arranged between the fine filter and the toxin filter in the shell, a communicating hole is formed in the shell, a gas pipeline is connected to the communicating hole, the other end of the gas pipeline is communicated with the air blowing cleaning structure, a dust collecting device and a fan are sequentially arranged on the gas pipeline along the air flow direction, and the communicating hole and the air blowing cleaning structure are respectively located on two sides of the fine filter along the axial direction of the shell.
2. The long-acting filter absorber of claim 1, wherein: the air-blowing cleaning structure comprises an air box and more than three pipe bodies which are communicated with the air box and radially distributed along the circumferential direction, and each pipe body is provided with a blowing opening or a nozzle facing the fine filter.
3. The long-acting filter absorber of claim 2, wherein: the quantity of body is 6.
4. The long-acting filter absorber of claim 1, wherein: the dust collecting device comprises a shell, a plurality of partition plates are arranged in the shell at intervals along the airflow direction, the lower end of one partition plate in any two adjacent partition plates is connected with the shell, the upper end of the partition plate is arranged at intervals with the shell to form an air channel, the upper end of the other partition plate is connected with the shell, and the lower end of the other partition plate is arranged at intervals with the shell to form an air channel.
5. The long-acting filter absorber of claim 4, wherein: and a branch gas pipeline is arranged on the gas pipeline at the downstream of the fan, the branch gas pipeline is communicated with the shell part at the downstream of the fine filter, and a drying device or a dust collecting device is arranged on the branch gas pipeline and is internally provided with a drying structure.
6. The long-acting filter absorber of claim 5, wherein: the drying structure comprises a heating wire arranged in the shell, wherein the heating wire is arranged on the upper portion of the shell and is positioned between any two partition boards of which the upper ends are connected with the shell.
7. The long-acting filter absorber of claim 6, wherein: a humidity sensor is arranged in the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023270733.7U CN214809187U (en) | 2020-12-30 | 2020-12-30 | Long-acting filtering absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023270733.7U CN214809187U (en) | 2020-12-30 | 2020-12-30 | Long-acting filtering absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214809187U true CN214809187U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023270733.7U Active CN214809187U (en) | 2020-12-30 | 2020-12-30 | Long-acting filtering absorber |
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| CN (1) | CN214809187U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115594282A (en) * | 2022-09-30 | 2023-01-13 | 江苏恩飞特环保工程有限公司（Cn） | Equipment for treating high-concentration wastewater based on hydroxyl oxidation and treatment method thereof |
-
2020
- 2020-12-30 CN CN202023270733.7U patent/CN214809187U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115594282A (en) * | 2022-09-30 | 2023-01-13 | 江苏恩飞特环保工程有限公司（Cn） | Equipment for treating high-concentration wastewater based on hydroxyl oxidation and treatment method thereof |
| CN115594282B (en) * | 2022-09-30 | 2023-11-14 | 江苏恩飞特环保工程有限公司 | Equipment for treating high-concentration wastewater based on hydroxyl oxidation and treatment method thereof |
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