CN220405236U - VOC acid tail gas treatment device - Google Patents
VOC acid tail gas treatment device Download PDFInfo
- Publication number
- CN220405236U CN220405236U CN202320429925.2U CN202320429925U CN220405236U CN 220405236 U CN220405236 U CN 220405236U CN 202320429925 U CN202320429925 U CN 202320429925U CN 220405236 U CN220405236 U CN 220405236U
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- pipe
- fixedly connected
- filter
- water
- filtering
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- 239000002253 acid Substances 0.000 title description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 113
- 238000001914 filtration Methods 0.000 claims abstract description 65
- 238000003860 storage Methods 0.000 claims abstract description 50
- 230000002378 acidificating effect Effects 0.000 claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 29
- 239000007921 spray Substances 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 22
- 230000000694 effects Effects 0.000 description 13
- 239000000463 material Substances 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 8
- 238000005507 spraying Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000004383 yellowing Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model belongs to the field of tail gas treatment, in particular to a VOC acidic tail gas treatment device, which comprises a water storage tank body; the water storage tank is arranged in the water storage tank body, the measuring pipe is fixedly connected to the left side of the water storage tank body, one side of the measuring pipe is communicated with the water storage tank, the second pipe is fixedly connected to the front end of the water storage tank body, the filtering tank body is fixedly connected to the top of the water storage tank body, the first pipe is connected to the rear end of the filtering tank body in a penetrating manner, the filtering tank is arranged in the filtering tank body, and the third pipe is fixedly connected to one end, close to the filtering tank, of the first pipe; through the spray pipe communication with internally mounted, carry out the structural design of water watering by a water inlet pipe, thereby realized through the function that a water inlet pipe of three outlet pipes intercommunication reached the control water yield, solved in the past adopt the multiunit inlet tube to add water filtration and lead to the inside liquid level of storage water tank to be difficult to control's of water filtration problem, reduced in the past adopt multiunit water inlet to carry out the water spray and lead to the liquid level to be difficult to control.
Description
Technical Field
The utility model relates to the field of tail gas treatment, in particular to a VOC acidic tail gas treatment device.
Background
In the material storage process of the production device and the tank field, waste gas generated by material volatilization and nitrogen sealing is uniformly and reasonably collected and then is conveyed to an activated carbon adsorption device on the factory, and part of corrosive acid waste gas is volatilized into system tail gas under the action of process conditions in the acid-base water washing process of the production device.
The existing VOC acid tail gas treatment spray tower is characterized in that the tail gas absorption is carried out by a tail gas inlet at the bottom of the spray tower, three layers of filter plates are installed in the interior, a water outlet pipe for spraying water is fixedly installed at the top of each layer of filter plate, tail gas is filtered from bottom to top by the filter plates, the tail gas is wetted through a water spraying pipe for filtering, and the bottom monitoring is monitored through a visual window.
The existing VOC acid tail gas enters from the bottom and is filtered by a plurality of groups of filter plates, the existing filtered water outlet pipe is sprayed by a plurality of groups of water inlet pipes, but the liquid amount in the water storage tank at the bottom is difficult to ensure by the plurality of groups of water inlet pipes, and the visible window arranged at the bottom is monitored, but the window Huang Hennan is extremely easy to see the liquid level for a long time; therefore, a VOC acidic tail gas treatment apparatus is proposed to address the above problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the existing VOC acid tail gas enters from the bottom and is filtered by a plurality of groups of filter plates layer by layer, the existing filtered water outlet pipe is sprayed by a plurality of groups of water inlet pipes, the water inlet pipes are difficult to ensure the liquid amount in the water storage tank at the bottom, and a visible window arranged at the bottom is used for monitoring, but the problem that the window is Huang Hennan is extremely easy to see the liquid level for a long time is solved.
The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a VOC acidic tail gas treatment device, which comprises a water storage tank body; the water storage tank is arranged in the water storage tank body, the measuring pipe is fixedly connected to the left side of the water storage tank body, one side of the measuring pipe is communicated with the water storage tank, the second pipe is fixedly connected to the front end of the water storage tank body, the filtering tank body is fixedly connected to the top of the water storage tank body, the first pipe is connected to the rear end of the filtering tank body in a penetrating manner, the filtering tank is arranged in the filtering tank body, and the third pipe is fixedly connected to one end, close to the filtering tank, of the first pipe;
the filter is characterized in that a first drain pipe is fixedly connected to the top of the third pipe, a first filter plate is fixedly connected to the inside of the filter tank below the first drain pipe, a second drain pipe is fixedly connected to the third pipe close to the center, and a second filter plate is fixedly connected to the inside of the filter tank below the second drain pipe.
Preferably, no. three drain pipes of pipe bottom fixedly connected with, no. three filter of inside fixedly connected with of filter vat below No. three drain pipes, the one end of filter tank top fixedly connected with outlet duct, exhaust duct has been seted up to the outlet duct inside, exhaust duct and filter vat intercommunication, the filter tank right side is close to the one end of bottom position fixedly connected with intake pipe.
Preferably, the air inlet pipe is fixed at a position, close to the bottom, of the filtering box body, a filtering groove is formed in the filtering box body, a third filtering plate is fixedly connected to the position, close to the bottom, of the filtering groove, and a first pipe is arranged in a penetrating mode at the position, close to the top, of the filtering box body.
Preferably, the first pipe is close to one end of the filter tank of the filter box body, one end of the third pipe is fixedly connected with the inside of the filter tank, the third pipe is close to the top, the first drain pipe is fixedly connected with the inside of the filter tank below the first drain pipe, and the first filter plate is fixedly connected with the inside of the filter tank below the first drain pipe.
Preferably, the third pipe is close to the central point and fixedly connected with a second drain pipe, a second filter plate is arranged below the second drain pipe, and the second filter plate is externally fixed inside the filter tank.
Preferably, no. three drain pipes of pipe bottom fixedly connected with, no. three drain pipes below is provided with No. three filter, no. three filter outside is fixed in the filter tank inside.
The utility model has the advantages that:
1. according to the utility model, through the structural design that the water spraying pipelines are internally arranged and the water inlet pipeline is used for water irrigation, the function of controlling the water yield is realized by connecting three water outlet pipes with one water inlet pipe, the problem that the liquid level in the water storage tank is difficult to control due to water adding and filtering by adopting a plurality of groups of water inlet pipes in the past is solved, and the problem that the liquid level is difficult to control due to water spraying by adopting a plurality of groups of water inlet pipes in the past is reduced;
2. according to the utility model, the independent pipeline is arranged at the position of the water storage tank close to the top, and the structure design of the position recording pipe is arranged at one side of the top, so that the materials of individual devices can be effectively recovered through the independent pipeline, the material loss in the production process of the devices is reduced, the function of the equipment for treating the tail gas of the devices is greatly improved, the problems that yellowing is easy to occur and difficult to monitor and the liquid level is difficult to control due to the fact that the monitoring window is adopted in the past are solved, the complexity of liquid level monitoring is reduced, and the complexity of liquid level adjustment is reduced.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic overall structure of a first embodiment;
FIG. 2 is a schematic overall structure of the first embodiment;
FIG. 3 is a schematic cross-sectional view of the first embodiment;
FIG. 4 is a schematic structural diagram of the whole modified second embodiment;
fig. 5 is an enlarged schematic view of the structure of fig. 4 a according to the second embodiment.
In the figure: 1. a water storage tank body; 2. a filter box; 3. a first pipe; 11. a second pipe; 12. a measuring tube; 13. a water storage tank; 14. a rubber pad; 21. an air inlet pipe; 22. an air outlet pipe; 23. a filter tank; 24. an exhaust duct; 31. a first drain pipe; 32. a first filter plate; 33. a second water draining pipe; 34. a second filter plate; 35. a third drain pipe; 36. a third filter plate; 37. and a third pipe.
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.
Examples
Referring to fig. 1-3, a VOC acidic tail gas treatment apparatus includes a water storage tank 1; the water storage tank is characterized in that a water storage tank 13 is formed in the water storage tank body 1, a measuring pipe 12 is fixedly connected to the left side of the water storage tank body 1, one side of the measuring pipe 12 is communicated with the water storage tank 13, the front end of the water storage tank body 1 is fixedly connected with a second pipe 11, the top of the water storage tank body 1 is fixedly connected with a filtering tank body 2, the rear end of the filtering tank body 2 is connected with a first pipe 3 in a penetrating manner, a filtering tank 23 is formed in the filtering tank body 2, and one end, close to the filtering tank 23, of the first pipe 3 is fixedly connected with a third pipe 37;
the top of the third pipe 37 is fixedly connected with a first drain pipe 31, a first filter plate 32 is fixedly connected inside the filter tank 23 below the first drain pipe 31, a second drain pipe 33 is fixedly connected to the third pipe 37 near the center, and a second filter plate 34 is fixedly connected inside the filter tank 23 below the second drain pipe 33;
when in work, the internally-installed spray pipeline is communicated, the water inlet pipeline is used for carrying out water irrigation, the function of controlling the water yield is realized by communicating one water inlet pipeline through three water outlet pipelines, the problem that the liquid level in the water storage tank is difficult to control due to the water adding and filtering of a plurality of groups of water inlet pipelines in the past is solved, the problem that the liquid level is difficult to control due to the water spraying of a plurality of groups of water inlet pipelines in the past is reduced, the existing VOC acidic tail gas enters from the bottom to pass through the layer-by-layer filter plate for carrying out multi-group filtering, the existing filtered water outlet pipeline is sprayed by a plurality of groups of water inlet pipelines, but the liquid amount in the bottom water storage tank is difficult to be ensured by a plurality of groups of water inlet pipelines, the visual window mounted at the bottom monitors, but when the window Huang Hennan is used for a long time, the window Huang Hennan is easy to see the clear liquid level, the water storage tank 13 formed in the water storage tank 1 is used for storing liquid, the water storage tank 1 fixed at the front end is used for controlling the liquid level, the filter tank 23 in the filter tank 2 is used for filtering smoke dust, the first pipe 3 and the third pipe 37 are combined to control the water spraying amount of the water, and the first drain pipe 31, the second drain pipe 33, the first filter plate 32, the second filter plate 34 and the third filter plate 36 below the third drain pipe 35 are provided with multiple groups of filtering effects.
The bottom of the third pipe 37 is fixedly connected with a third drain pipe 35, a third filter plate 36 is fixedly connected inside the filter tank 23 below the third drain pipe 35, one end of the air outlet pipe 22 is fixedly connected to the top of the filter box 2, an exhaust pipeline 24 is arranged inside the air outlet pipe 22, the exhaust pipeline 24 is communicated with the filter tank 23, and one end of the air inlet pipe 21 is fixedly connected to the right side of the filter box 2 close to the bottom;
during operation, the independent pipeline is arranged at the position, close to the top, of the water storage tank, the structural design of the position marking pipe is arranged on one side of the top, the effect that materials of individual devices can be effectively recovered through the independent pipeline is achieved, the material running loss in the production process of the devices is reduced, the function of the equipment for treating tail gas of the devices is greatly improved, the problem that yellowing is difficult to monitor due to the fact that a monitoring window is adopted in the past to monitor is solved, the liquid level is difficult to control is solved, the liquid level monitoring complexity is reduced, the liquid level is adjusted, a third water draining pipe 35 is sleeved inside a filtering tank 23, a third filtering plate 36 is fixed inside the filtering tank 23 below the third water draining pipe 35, an exhaust pipeline 24 formed in the air draining pipe 22 is communicated with the filtering tank 23, and an air inlet pipe 21 at the bottom of the filtering tank 2 is arranged for entering tail gas.
The air inlet pipe 21 is fixed at a position, close to the bottom, of the filtering box body 2, a filtering groove 23 is formed in the filtering box body 2, a third filtering plate 36 is fixedly connected to the position, close to the bottom, of the filtering groove 23, and a first pipe 3 is arranged in a penetrating mode at the position, close to the top, of the filtering box body 2;
in operation, the air inlet pipe 21 is arranged at the bottom of the filtering box body 2, so that the effect of discharging tail gas into the filtering groove 23 inside the filtering box body 2 is achieved, the third filtering plate 36 arranged inside is a first heavy filtering effect, and the first pipe 3, which is close to the top position of the filtering box body 2, is a water inlet pipe.
One end of a third pipe 37 is fixedly connected to the inside of the filter tank 23 at one end of the first pipe 3, which is close to the filter box body 2, a first drain pipe 31 is fixedly connected to the position of the third pipe 37, which is close to the top, and a first filter plate 32 is fixedly connected to the inside of the filter tank 23 below the first drain pipe 31;
when the filter box is in operation, one end of the first pipe 3, which is close to the filter tank 23 arranged in the filter box body 2, is an effect of fixing one end of the third pipe 37, and the third pipe 37 is close to the top and fixedly connected with the lower part of the first drain pipe 31, and the first filter plate 32 is fixedly arranged.
The third pipe 37 is fixedly connected with a second drain pipe 33 near the center, a second filter plate 34 is arranged below the second drain pipe 33, and the outside of the second filter plate 34 is fixed inside the filter tank 23;
in operation, the second water discharge pipe 33 with the third pipe 37 being close to the center is of the second filtering effect, the second water discharge pipe 33 is sleeved inside the filtering tank 23, and the second filtering plate 34 is fixed inside the filtering tank 23.
The bottom of the third pipe 37 is fixedly connected with a third drain pipe 35, a third filter plate 36 is arranged below the third drain pipe 35, and the outside of the third filter plate 36 is fixed inside the filter tank 23;
in operation, the third filter plate 36 arranged below the third drain pipe 35 which is fixed by the third pipe 37 in a single step is the first heavy filter, and the third filter plate 36 is externally fixed in the filter tank 23 at a position close to the bottom.
Examples
Referring to fig. 4-5, in a first comparative example, as another embodiment of the present utility model, a rubber pad 14 is fixedly connected to the top of the water tank 1; in operation, the rubber pad 14 supports the water storage tank 1 for buffering.
The working principle is that through the structural design that the water spraying pipeline is communicated and the water inlet pipeline is communicated, the water inlet pipeline is communicated through three water outlet pipes, so that the function of controlling the water outlet is realized, the problem that the liquid level in the water storage tank is difficult to control due to the fact that water is added and filtered by adopting a plurality of groups of water inlet pipes is solved, the problem that the liquid level is difficult to control due to the fact that water is sprayed by a plurality of groups of water inlet pipes in the past is solved, the existing VOC acidic tail gas enters from the bottom to pass through a layer filter plate to carry out a plurality of groups of filtering, the existing filtered water outlet pipe is sprayed by a plurality of groups of water inlet pipes, the liquid amount in the bottom water storage tank is difficult to be ensured, the visible window arranged at the bottom is monitored, the window is extremely easy to see the liquid level height when the window is sent Huang Hennan for a long time use, the water storage tank 13 arranged in the water storage tank body 1 is used for storing the liquid effect, the water storage tank body 1 with the fixed front end has the effect of controlling the height of the liquid level, the filter tank 23 in the filter tank body 2 is a tank body for filtering smoke dust, the first pipe 3 and the third pipe 37 are pipes for controlling the water spraying amount in a combined way, the first filter plate 32, the second filter plate 34 and the third filter plate 36 below the first drain pipe 31, the second drain pipe 33 and the third drain pipe 35 are multiple groups of filtering effects, an independent pipe is arranged at the position of the water storage tank near the top, one side of the top is provided with the structural design of a recording pipe, the effective recovery of the materials of individual devices through the independent pipe is realized, the material loss in the production process of the devices is reduced, the function of equipment for treating the tail gas of the devices is greatly improved, the problems that yellowing is difficult to monitor and the liquid level is difficult to control due to the adoption of a monitoring window in the past are solved, the complexity of liquid level monitoring is reduced, the complexity of adjustment liquid level, no. three drain pipe 35 cover is established inside filter tank 23, no. three filter 36 is fixed in No. three drain pipe 35 below filter tank 23, exhaust duct 24 and filter tank 23 intercommunication that outlet duct 22 inside was seted up, no. two drain pipes 33 and No. two filter plates 34 that No. three pipe 37 is close to central point fixed are the second filtering effect for getting into the intake pipe 21 in filter tank 2 bottom thereby reach the effect of arranging the tail gas into filter tank 23 inside filter tank 2, no. three filter 36 of internally mounted is first heavy filter effect, no. one pipe 3 that filter tank 2 is close to the top position is the pipeline of intaking, no. one pipe 3 is close to the filter tank 23 that filter tank 2 inside was seted up one end is fixed No. three pipe 37 one end, no. three pipe 37 is close to top position fixed connection No. one drain pipe 31 below fixed No. one filter plate 32, no. three pipe 37 is close to central point fixed No. two drain pipes 33 and No. two filter plates 34 are the second heavy filter effect, and No. two filter plates 33 cover is set up inside filter tank 23, no. 34 outside fixed filter tank 23 is inside, no. three pipe 37 is No. one end fixed No. three drain pipe 35 is fixed in the bottom position is fixed No. three filter tank 37 is outside, no. one filter tank 36 is fixed in the bottom is fixed outside, no. 3 is fixed in the filter tank is fixed in the position is fixed outside.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. A VOC acidic tail gas treatment device comprises a water storage tank body (1); the water storage tank (13) is arranged in the water storage tank body (1), and the measuring pipe (12) is fixedly connected to the left side of the water storage tank body (1), and is characterized in that: one side of the measuring tube (12) is communicated with the water storage tank (13), the front end of the water storage tank body (1) is fixedly connected with a second pipe (11), the top of the water storage tank body (1) is fixedly connected with a filtering tank body (2), the rear end of the filtering tank body (2) is connected with a first pipe (3) in a penetrating manner, a filtering tank (23) is arranged in the filtering tank body (2), and one end, close to the filtering tank (23), of the first pipe (3) is fixedly connected with a third pipe (37);
the novel filter is characterized in that a first drain pipe (31) is fixedly connected to the top of the third pipe (37), a first filter plate (32) is fixedly connected to the inside of the filter tank (23) below the first drain pipe (31), a second drain pipe (33) is fixedly connected to the third pipe (37) close to the center, and a second filter plate (34) is fixedly connected to the inside of the filter tank (23) below the second drain pipe (33).
2. The VOC acidic tail gas treatment apparatus of claim 1 wherein: the novel filter box is characterized in that a third water drain pipe (35) is fixedly connected to the bottom of the third water drain pipe (37), a third filter plate (36) is fixedly connected to the inside of a filter tank (23) below the third water drain pipe (35), one end of an air outlet pipe (22) is fixedly connected to the top of the filter box body (2), an exhaust pipeline (24) is arranged inside the air outlet pipe (22), the exhaust pipeline (24) is communicated with the filter tank (23), and one end of an air inlet pipe (21) is fixedly connected to the right side of the filter box body (2) close to the bottom.
3. The VOC acidic tail gas treatment apparatus of claim 2 wherein: the air inlet pipe (21) is fixed at a position, close to the bottom, of the filtering box body (2), a filtering groove (23) is formed in the filtering box body (2), a third filtering plate (36) is fixedly connected to the position, close to the bottom, of the filtering groove (23), and a first pipe (3) is arranged in a penetrating mode at the position, close to the top, of the filtering box body (2).
4. A VOC acidic tail gas treatment apparatus according to claim 3 wherein: the filter box is characterized in that the first pipe (3) is close to one end of the filter tank (23) of the filter box body (2), one end of the third pipe (37) is fixedly connected with the inside of the filter tank (23), the third pipe (37) is close to the top, the first drain pipe (31) is fixedly connected with the inside of the filter tank (23) below the first drain pipe (31), and the first filter plate (32) is fixedly connected with the inside of the filter tank (23).
5. The VOC acidic tail gas treatment apparatus of claim 4 wherein: the third pipe (37) is fixedly connected with a second drain pipe (33) near the center, a second filter plate (34) is arranged below the second drain pipe (33), and the second filter plate (34) is externally fixed inside the filter tank (23).
6. The VOC acidic tail gas treatment apparatus of claim 5 wherein: the third filter plate (36) is externally fixed inside the filter tank (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320429925.2U CN220405236U (en) | 2023-03-08 | 2023-03-08 | VOC acid tail gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320429925.2U CN220405236U (en) | 2023-03-08 | 2023-03-08 | VOC acid tail gas treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220405236U true CN220405236U (en) | 2024-01-30 |
Family
ID=89649341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320429925.2U Active CN220405236U (en) | 2023-03-08 | 2023-03-08 | VOC acid tail gas treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220405236U (en) |
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2023
- 2023-03-08 CN CN202320429925.2U patent/CN220405236U/en active Active
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