CN220779551U - Dust exhaust treatment device convenient to cyclic utilization - Google Patents
Dust exhaust treatment device convenient to cyclic utilization Download PDFInfo
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- CN220779551U CN220779551U CN202322398613.2U CN202322398613U CN220779551U CN 220779551 U CN220779551 U CN 220779551U CN 202322398613 U CN202322398613 U CN 202322398613U CN 220779551 U CN220779551 U CN 220779551U
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- Prior art keywords
- pipeline
- carbon adsorption
- treatment device
- movable plate
- dust
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- 239000000428 dust Substances 0.000 title claims abstract description 19
- 125000004122 cyclic group Chemical group 0.000 title claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 86
- 238000001179 sorption measurement Methods 0.000 claims abstract description 54
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 13
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 13
- 241001330002 Bambuseae Species 0.000 claims abstract description 13
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 13
- 239000011425 bamboo Substances 0.000 claims abstract description 13
- 238000004064 recycling Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 59
- 239000010865 sewage Substances 0.000 claims description 33
- 230000007246 mechanism Effects 0.000 claims description 19
- 238000009826 distribution Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 4
- 239000002912 waste gas Substances 0.000 abstract description 27
- 239000007789 gas Substances 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 11
- 230000008859 change Effects 0.000 abstract description 8
- 239000003344 environmental pollutant Substances 0.000 abstract description 8
- 231100000719 pollutant Toxicity 0.000 abstract description 8
- 238000001914 filtration Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000005202 decontamination Methods 0.000 description 2
- 230000003588 decontaminative effect Effects 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to the technical field of waste gas treatment, and discloses a dust and waste gas treatment device convenient for recycling. This kind of dust exhaust gas treatment device convenient to cyclic utilization, along with long-time use, the absorptive pollutant is more and more on the active carbon adsorption section of thick bamboo, active carbon adsorption section of thick bamboo's weight can increase, thereby compress spacing spring, make the movable plate wholly sink, along with the subsidence of movable plate, finally the movable plate can support to trigger the switch, thereby remind to change the active carbon adsorption section of thick bamboo, open the mounting panel and take off the active carbon adsorption section of thick bamboo, then cup joint new active carbon adsorption section of thick bamboo on the erection column, can push away the movable plate under spacing spring's elasticity effect this moment and leave trigger the switch, can simply install and change the active carbon adsorption section of thick bamboo through the setting of this structure, moreover can remind the timely change active carbon adsorption section of thick bamboo of manager.
Description
Technical Field
The utility model relates to the technical field of waste gas treatment, in particular to a dust and waste gas treatment device convenient for recycling.
Background
In the production processes of pharmacy, chemical industry and the like, a large amount of waste gas and dust are generated, the dust and the waste gas are usually suspended in the air, the dust and the waste gas seriously affect the production working environment, the body of workers on the production line can be damaged, and various diseases can be possibly induced; meanwhile, the air with dust and waste gas exchanges with the external atmosphere, and pollution is caused to the external atmosphere and the surrounding environment.
According to the dust-containing industrial waste gas filtering treatment device disclosed in the patent document of application number 202320902142.1, the filter plate is driven to move upwards by pulling the pull plate upwards, meanwhile, the top end of the positioning block is extruded by the inner side wall of the first groove, the positioning block moves towards the inside of the filter plate, the spring block is extruded by the positioning block to shrink in the second groove, the positioning block slides into the second groove, the filter plate slides upwards smoothly in the first groove, the filter plate is rapidly detached from the inside of the treatment box, the later cleaning and replacement are convenient, and the use convenience is improved.
However, the following problems still exist in the actual use process:
(1) The device in above-mentioned document is nevertheless can accomplish the filter plate of being convenient for to change, but is not provided with the warning mechanism, can't remind when the filter plate needs to be changed, probably leads to the condition that can not in time change the filter plate to influence the efficiency of handling waste gas.
(2) The treatment devices in the above documents treat exhaust gas only through a filter plate, which is usually only capable of filtering larger particles, and has a limited filtering effect on fine particles or fine dust, which means that fine particles may pass through the filter plate without being effectively captured, resulting in that the discharged exhaust gas still contains visible dust or pollutants.
Therefore, the utility model provides a dust and waste gas treatment device convenient for recycling.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a dust and waste gas treatment device convenient for recycling, which has the advantages of timely reminding of replacing a filter element and combined treatment of waste gas, improving the waste gas treatment effect and solving the problems in the background technology.
The utility model provides the following technical scheme: the utility model provides a dust exhaust treatment device convenient to cyclic utilization, includes base and pipeline, a plurality of notch has been seted up to pipeline's one end, notch department is provided with bears the mechanism, bear the mechanism and including bearing frame, fly leaf, limit spring, trigger switch, erection column and active carbon adsorption section of thick bamboo, the one end and the bottom fixed connection of pipeline of bearing frame, the inner wall sliding connection of the surface and the notch of fly leaf, limit spring's one end and the bottom fixed connection of fly leaf, limit spring's the other end and the inner wall one side fixed connection of bearing frame, trigger switch fixed mounting is in the inside of bearing frame, the bottom of erection column and the inner wall fixed connection of bearing frame, the surface and the inside sliding connection of fly leaf of erection column, the active carbon adsorption section of thick bamboo cup joints the surface at the erection column, the active carbon adsorption section of thick bamboo is located pipeline's inside.
Preferably, one end of the conveying pipeline is provided with a groove, the bottom of the groove is provided with a collecting bucket, the top of the base is provided with a water circulation mechanism, the water circulation mechanism comprises a sewage treatment tank, a power pump, a return pipeline and a water collecting tank, the bottom of the sewage treatment tank is fixedly connected with the top of the base, one end of the power pump is fixedly connected with one side surface of the sewage treatment tank, the water collecting tank is fixedly installed at the top of the conveying pipeline, one end of the return pipeline is fixedly connected with one end of the power pump, the other end of the return pipeline penetrates through the inside of the water collecting tank, the top of the inner wall of the conveying pipeline is fixedly connected with a water distribution tank, the water distribution tank is communicated with the water collecting tank, and the bottom of the water distribution tank is fixedly connected with a plurality of water spraying ports which are located above the groove.
Preferably, the both ends fixedly connected with stopper of movable plate, one side surface and the bottom butt of pipeline of stopper can make the stopper butt in the bottom of pipeline under limit spring's elasticity effect to guarantee that the movable plate can be in the inside of notch.
Preferably, the top end of the conveying pipeline is movably provided with a mounting plate, and the bottom of the mounting plate is attached to the top ends of the activated carbon adsorption cylinder and the mounting column.
Preferably, the top fixedly connected with a plurality of support of base, the top of support cup joints the surface at pipeline, plays fixed effect to pipeline through the support.
Preferably, the sewage treatment box is positioned right below the collecting hopper, and a sewage discharge pipe is fixedly connected to one side surface of the sewage treatment box.
Compared with the prior art, the utility model has the following beneficial effects:
1. this kind of dust exhaust gas treatment device convenient to cyclic utilization, through being provided with and bearing the mechanism, will bear the frame and pass through the notch department of bolt installation on pipeline, can make stopper butt in pipeline's bottom under limit spring's elasticity effect, and the movable plate can be in the inside of notch this moment, then with activated carbon adsorption cylinder cover on the erection column, the reclosing mounting panel, this moment is connected to on the cooling exhaust pipe with pipeline, waste gas is when pipeline's inside, activated carbon adsorption cylinder can come the pollutant in the waste gas through chemisorption, adsorb organic matter molecule in the waste gas, and the design of tube-shape can provide higher contact time and area of contact, thereby improve adsorption efficiency, along with long-time use, activated carbon adsorption cylinder is last the pollutant of absorption, activated carbon adsorption cylinder's weight can increase, thereby compress limit spring, make the movable plate wholly sink, finally the movable plate can be butt to on the trigger switch this moment, thereby remind the manager to take off activated carbon adsorption cylinder, then cup joint new activated carbon adsorption cylinder and install the effect under the spring, can be triggered carbon adsorption cylinder and can be replaced in time through the installation of the installation spring, the filter cylinder, thereby can guarantee that the activated carbon can be replaced by the filter cylinder.
2. This kind of dust exhaust gas treatment device convenient to cyclic utilization, through being provided with recess and hydrologic cycle mechanism, waste gas is through the filtration back of active carbon adsorption section of thick bamboo, come to recess department, the header tank can carry the water of inside to the shunt tank in, spray water through the water jet, clean gas then continues to discharge through pipeline, particulate matter in the waste gas is subsided in the recess after being caught by the water droplet, then flow into the inside of sewage treatment box through collecting the bucket and decontaminate, through the subside design of recess, can prevent that moisture from flowing into pipeline's inside, after sewage is handled in sewage treatment box, sewage can be discharged through the blow off pipe, and clean water can be pumped back flow pipeline through the power pump in, finally get back to the inside cyclic utilization of header tank, high-efficient water resource is saved, thereby save the water source, the setting of this structure can further purify waste gas through spraying, can provide more comprehensive exhaust gas purification effect through combining the active carbon adsorption section of thick bamboo.
Drawings
FIG. 1 is a schematic diagram of a structural body of the present utility model;
FIG. 2 is a schematic view of a carrying mechanism according to the present utility model;
FIG. 3 is a schematic side view of the structure of FIG. 1 in accordance with the present utility model;
FIG. 4 is a schematic view of a partially cut-away structure of a transfer conduit according to the present utility model.
In the figure: 1. a base; 2. a delivery conduit; 3. a bracket; 4. a mounting plate; 5. a carrying frame; 6. a sewage treatment tank; 7. a collection bucket; 8. a water collection tank; 9. a return line; 10. a blow-down pipe; 11. a power pump; 12. a limit spring; 13. triggering a switch; 14. a moving plate; 15. a limiting block; 16. an activated carbon adsorption cylinder; 17. a mounting column; 18. a notch; 19. a groove; 20. a water jet; 21. a water diversion box; 22. a carrying mechanism; 23. a water circulation mechanism.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, a dust and waste gas treatment device convenient for recycling comprises a base 1 and a conveying pipeline 2, wherein one end of the conveying pipeline 2 is provided with a plurality of notches 18, a bearing mechanism 22 is arranged at the notch 18, the bearing mechanism 22 comprises a bearing frame 5, a moving plate 14, a limit spring 12, a trigger switch 13, a mounting column 17 and an activated carbon adsorption cylinder 16, one end of the bearing frame 5 is fixedly connected with the bottom of the conveying pipeline 2, the surface of the moving plate 14 is in sliding connection with the inner wall of the notch 18, one end of the limit spring 12 is fixedly connected with the bottom of the moving plate 14, the other end of the limit spring 12 is fixedly connected with one side of the inner wall of the bearing frame 5, the trigger switch 13 is fixedly arranged in the bearing frame 5, the bottom end of the mounting column 17 is fixedly connected with the inner wall of the bearing frame 5, the surface of the mounting column 17 is in sliding connection with the inner part of the moving plate 14, the activated carbon adsorption cylinder 16 is sleeved on the surface of the mounting column 17, the activated carbon adsorption cylinder 16 is positioned in the conveying pipeline 2, the mounting plate 4 is movably mounted at the top end of the conveying pipeline 2, the bottom of the mounting plate 4 is attached to the activated carbon adsorption cylinder 16 and the top end of the mounting column 17, the bearing frame 5 is mounted at the notch 18 on the conveying pipeline 2 through bolts, the movable plate 14 is positioned in the notch 18 under the elastic force of the limiting spring 12, the activated carbon adsorption cylinder 16 is sleeved on the mounting column 17, the mounting plate 4 is closed, the conveying pipeline 2 is connected to a cooling exhaust pipe at the moment, when the exhaust gas passes through the inside of the conveying pipeline 2, the activated carbon adsorption cylinder 16 can remove pollutants in the exhaust gas through chemical adsorption to adsorb organic molecules in the exhaust gas, and the cylindrical design can provide higher contact time and contact area, so that the adsorption efficiency is improved, along with long-time use, the pollutant of adsorbing on the activated carbon adsorption cylinder 16 is more and more, the weight of activated carbon adsorption cylinder 16 can increase, thereby compress limit spring 12, make movable plate 14 wholly sink, along with the subsidence of movable plate 14, finally movable plate 14 can support to trigger switch 13, thereby remind the administrator to change activated carbon adsorption cylinder 16, take off activated carbon adsorption cylinder 16 through opening mounting panel 4, then cup joint new activated carbon adsorption cylinder 16 on erection column 17, can push away movable plate 14 trigger switch 13 under limit spring 12's elasticity effect at this moment, can simply install and change activated carbon adsorption cylinder 16 through the setting of this structure, can effectually adsorb the organic matter through activated carbon adsorption cylinder 16, and can remind the timely change activated carbon adsorption cylinder 16 of administrator, thereby guarantee the effect of filtering waste gas.
Referring to fig. 3-4, one end of a conveying pipeline 2 is provided with a groove 19, the bottom of the groove 19 is provided with a collecting bucket 7, the top of a base 1 is provided with a water circulation mechanism 23, the water circulation mechanism 23 comprises a sewage treatment tank 6, a power pump 11, a backflow pipeline 9 and a water collecting tank 8, the bottom of the sewage treatment tank 6 is fixedly connected with the top of the base 1, one end of the power pump 11 is fixedly connected with one side surface of the sewage treatment tank 6, the water collecting tank 8 is fixedly arranged at the top of the conveying pipeline 2, one end of the backflow pipeline 9 is fixedly connected with one end of the power pump 11, the other end of the backflow pipeline 9 penetrates through the inside of the water collecting tank 8, the top of the inner wall of the conveying pipeline 2 is fixedly connected with a water distribution tank 21, the water distribution tank 21 is communicated with the water collecting tank 8, the bottom of the water distribution tank 21 is fixedly connected with a plurality of water spray ports 20, the water spray ports 20 are positioned above the groove 19, the sewage treatment tank 6 is positioned under the collecting bucket 7, a sewage disposal pipe 10 is fixedly connected to one side surface of the sewage disposal box 6, the waste gas is filtered by an activated carbon adsorption cylinder 16 and then enters a groove 19, the water collection box 8 can convey the water inside into a water distribution box 21, the water is sprayed by a water spray port 20, clean gas is continuously discharged through a conveying pipeline 2, particles in the waste gas are trapped by water drops and then settle into the groove 19, then the particles flow into the sewage disposal box 6 through a collecting bucket 7 for decontamination treatment, the water can be prevented from flowing into the conveying pipeline 2 through the settlement design of the groove 19, when the sewage is treated in the sewage disposal box 6, the sewage is discharged through the sewage disposal pipe 10, clean water is pumped into a return pipeline 9 through a power pump 11 and finally returns to the internal circulation utilization of the water collection box 8, water resources are effectively utilized, thereby saving water source, the arrangement of this structure can further purify waste gas through spraying, and the combination activated carbon adsorption cylinder 16 can provide more comprehensive waste gas purifying effect.
Referring to fig. 1 and 2, two ends of a moving plate 14 are fixedly connected with a limiting block 15, one side surface of the limiting block 15 is abutted to the bottom of a conveying pipeline 2, the top of a base 1 is fixedly connected with a plurality of brackets 3, and the top ends of the brackets 3 are sleeved on the surface of the conveying pipeline 2.
When the device is used, the bearing frame 5 is arranged at the notch 18 on the conveying pipeline 2 through bolts, the limiting block 15 is abutted against the bottom of the conveying pipeline 2 under the action of the elasticity of the limiting spring 12, the moving plate 14 is arranged in the notch 18, the activated carbon adsorption cylinder 16 is sleeved on the mounting column 17, the mounting plate 4 is closed, the conveying pipeline 2 is connected to a cooling exhaust pipe, when the exhaust gas passes through the inside of the conveying pipeline 2, the activated carbon adsorption cylinder 16 can remove pollutants in the exhaust gas through chemical adsorption to adsorb organic molecules in the exhaust gas, the cylindrical design can provide higher contact time and contact area, so that the adsorption efficiency is improved, the more and more pollutants are adsorbed on the activated carbon adsorption cylinder 16 along with long-time use, the weight of the activated carbon adsorption cylinder 16 is increased, so that the limiting spring 12 is compressed, the movable plate 14 is integrally sunk, and along with the sinking of the movable plate 14, the movable plate 14 is finally abutted to the trigger switch 13, thereby reminding an administrator to replace the activated carbon adsorption cylinder 16, the activated carbon adsorption cylinder 16 is removed by opening the mounting plate 4, then a new activated carbon adsorption cylinder 16 is sleeved on the mounting column 17, at the moment, the movable plate 14 is pushed away from the trigger switch 13 under the elastic force of the limit spring 12, the waste gas is filtered by the activated carbon adsorption cylinder 16 and then reaches the groove 19, the water collecting tank 8 can convey the water in the water collecting tank 21, the water is sprayed through the water spray port 20, the clean gas is continuously discharged through the conveying pipeline 2, the particles in the waste gas are trapped by water drops and then settled in the groove 19, and then flow into the sewage treatment tank 6 through the collecting hopper 7 for decontamination treatment, through the settlement design of the groove 19, can prevent that moisture from flowing into the inside of pipeline 2, when sewage is handled in sewage treatment case 6 after, sewage can be discharged through blow off pipe 10, and clean water can be pumped into return conduit 9 through power pump 11, finally get back to the inside cyclic utilization of header tank 8.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Dust exhaust treatment device convenient to cyclic utilization, its characterized in that: including base (1) and pipeline (2), a plurality of notch (18) have been seted up to the one end of pipeline (2), notch (18) department is provided with bears mechanism (22), bear mechanism (22) including bearing frame (5), movable plate (14), limit spring (12), trigger switch (13), erection column (17) and activated carbon adsorption cylinder (16), the one end of bearing frame (5) and the bottom fixed connection of pipeline (2), the inner wall sliding connection of the surface of movable plate (14) and notch (18), the one end and the bottom fixed connection of movable plate (14) of limit spring (12), the other end and the inner wall one side fixed connection of bearing frame (5) of limit spring (12), trigger switch (13) fixed mounting is in the inside of bearing frame (5), the bottom of erection column (17) and the inner wall fixed connection of bearing frame (5), the inside sliding connection of the surface of erection column (17) and movable plate (14), activated carbon adsorption cylinder (16) cup joints at the inner wall of installation column (16) of pipeline (17), activated carbon adsorption cylinder (16) are located inside the pipeline (2).
2. The dust-exhaust gas treatment device for facilitating recycling according to claim 1, wherein: the utility model provides a sewage treatment device, including pipeline (2), including base, water circulation mechanism (23), pipeline (1) and pipeline (1), pipeline (1) is provided with recess (19) to one end, the bottom of recess (19) is provided with collecting bucket (7), the top of base (1) is provided with hydrologic cycle mechanism (23), hydrologic cycle mechanism (23) include sewage treatment case (6), power pump (11), backflow pipeline (9) and water collecting tank (8), the bottom of sewage treatment case (6) and the top fixed connection of base (1), the one end of power pump (11) and one side fixed connection of sewage treatment case (6), water collecting tank (8) fixed mounting is at the top of pipeline (2), the one end of backflow pipeline (9) and the one end fixed connection of power pump (11), the other end of backflow pipeline (9) runs through the inside of water collecting tank (8), the inner wall top fixedly connected with water tank (21) of pipeline (2), the bottom fixedly connected with water jet (20) of water distribution case (21), water jet (20) are located above water jet (19).
3. The dust-exhaust gas treatment device for facilitating recycling according to claim 1, wherein: limiting blocks (15) are fixedly connected to two ends of the moving plate (14), and one side surface of each limiting block (15) is abutted to the bottom of the conveying pipeline (2).
4. The dust-exhaust gas treatment device for facilitating recycling according to claim 1, wherein: the top movable mounting of pipeline (2) has mounting panel (4), the bottom of mounting panel (4) is laminated with the top of active carbon adsorption section of thick bamboo (16) and erection column (17).
5. The dust-exhaust gas treatment device for facilitating recycling according to claim 1, wherein: the top of base (1) fixedly connected with a plurality of support (3), the top of support (3) cup joints the surface at pipeline (2).
6. The dust-exhaust gas treatment device for facilitating recycling according to claim 2, wherein: the sewage treatment box (6) is positioned under the collecting hopper (7), and a sewage discharge pipe (10) is fixedly connected to one side surface of the sewage treatment box (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322398613.2U CN220779551U (en) | 2023-09-05 | 2023-09-05 | Dust exhaust treatment device convenient to cyclic utilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322398613.2U CN220779551U (en) | 2023-09-05 | 2023-09-05 | Dust exhaust treatment device convenient to cyclic utilization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220779551U true CN220779551U (en) | 2024-04-16 |
Family
ID=90659959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322398613.2U Active CN220779551U (en) | 2023-09-05 | 2023-09-05 | Dust exhaust treatment device convenient to cyclic utilization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220779551U (en) |
-
2023
- 2023-09-05 CN CN202322398613.2U patent/CN220779551U/en active Active
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