CN220736843U - Collecting and purifying treatment device for particle waste gas - Google Patents
Collecting and purifying treatment device for particle waste gas Download PDFInfo
- Publication number
- CN220736843U CN220736843U CN202322464402.4U CN202322464402U CN220736843U CN 220736843 U CN220736843 U CN 220736843U CN 202322464402 U CN202322464402 U CN 202322464402U CN 220736843 U CN220736843 U CN 220736843U
- Authority
- CN
- China
- Prior art keywords
- waste gas
- pipe
- treatment
- collecting
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002912 waste gas Substances 0.000 title claims abstract description 72
- 239000002245 particle Substances 0.000 title claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 45
- 239000000428 dust Substances 0.000 claims abstract description 38
- 238000010521 absorption reaction Methods 0.000 claims abstract description 34
- 239000004744 fabric Substances 0.000 claims abstract description 31
- 238000001914 filtration Methods 0.000 claims abstract description 20
- 239000007789 gas Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 17
- 238000005507 spraying Methods 0.000 claims description 16
- 239000012530 fluid Substances 0.000 claims description 8
- 239000008187 granular material Substances 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 15
- 238000004140 cleaning Methods 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 5
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 239000007921 spray Substances 0.000 description 16
- 238000005406 washing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to the technical field of waste gas treatment devices, in particular to a particle waste gas collecting and purifying treatment device, which comprises a treatment box and a plurality of groups of absorption pipes which are arranged at the top of the treatment box and extend into the treatment box, wherein a first electromagnetic valve is arranged at the upper end of each absorption pipe; the particle waste gas filtering component is arranged at the top end of the absorption tube, and a detachable dust removing cloth bag is arranged in the particle waste gas filtering component; the communicating pipes are connected among the particle waste gas filtering assemblies, an air inlet pipe is arranged in the middle of the top surface of the communicating pipe, and two sides of the air inlet pipe are provided with second electromagnetic valves positioned on the communicating pipe; and the exhaust pipes are connected above two sides of the treatment box and used for exhausting the purified gas. The utility model realizes the cleaning of the dust removing cloth bag without shutdown, ensures the overall waste gas treatment efficiency, simultaneously ensures the waste gas treatment liquid to achieve the function of recycling, and can also ensure the contact absorption effect between the waste gas and the treatment liquid.
Description
Technical Field
The utility model relates to the technical field of waste gas treatment devices, in particular to a particle waste gas collecting and purifying treatment device.
Background
The dust particle waste gas treatment system with the grant publication number CN209564790U comprises a wet electric spray tower, an air inlet pipeline system and a spray washing water supply system; an air inlet pipeline system is arranged on one side of the lower part of the wet electric spray tower, and a spray washing water supply system is arranged on the other side of the wet electric spray tower; an electric field sprayer, an anode module, a demister, a spray scrubber, an overflow tank flusher and an overflow tank are sequentially arranged in the wet electric spray tower from top to bottom; the position of the air inlet pipeline system, which is correspondingly connected with the wet electric spray tower, is between the spray scrubber and the overflow tank flusher; and the top of the wet electric spray tower is respectively provided with a discharge flue and a high-voltage resistor device. The wet electric spray tower is reasonable in equipment planning and smooth in cooperation, dust, wood dust and smoke can be well purified by using the wet electric spray tower, increasingly strict emission requirements are met, the environment is well protected, and the production efficiency of enterprises is improved.
In the existing particle waste gas treatment, although the waste gas particles are filtered by using a dust removing cloth bag, after a period of use, a single dust removing cloth bag is used, more particles exist in the cloth bag to influence the whole waste gas passing rate, and the dust removing cloth bag is inconvenient to clean after use, so that the whole particle waste gas treatment efficiency is low, and therefore, the particle waste gas collecting and purifying treatment device is provided.
Disclosure of Invention
The utility model aims at solving the problems in the background art and provides a device for collecting, purifying and treating particle waste gas.
The technical scheme of the utility model is as follows: the particle waste gas collecting and purifying treatment device comprises a treatment box and a plurality of groups of absorption pipes which are arranged at the top of the treatment box and extend into the treatment box, wherein a first electromagnetic valve is arranged at the upper end of each absorption pipe; the particle waste gas filtering component is arranged at the top end of the absorption tube, and a detachable dust removing cloth bag is arranged in the particle waste gas filtering component; the communicating pipes are connected among the particle waste gas filtering assemblies, an air inlet pipe is arranged in the middle of the top surface of the communicating pipe, and two sides of the air inlet pipe are provided with second electromagnetic valves positioned on the communicating pipe; and the exhaust pipes are connected above two sides of the treatment box and used for exhausting the purified gas.
Preferably, the granule waste gas filtering component is including setting up the filter vat on absorption tube top, and the slip is provided with the closed sleeve of annular structure in the filter vat, dust removal sack sets up the bottom surface at the closed sleeve, the top screw thread of filter vat is sealed and is had the closing plate, be provided with the connecting rod between the bottom surface of closing plate and the closed sleeve.
Preferably, the inner wall of the sealing sleeve is fixed with a connecting sleeve with an annular structure, and the connecting rod is connected to the top surface of the connecting sleeve.
Preferably, the inner wall of the top end of the filter vat is provided with an internal thread, the bottom surface of the sealing plate is provided with a thread sleeve head with a hollow structure, and the external thread of the thread sleeve head is matched with the internal thread of the filter vat.
Preferably, the treatment tank is internally provided with treatment fluid, and the bottom end of the absorption tube extends into the position below the liquid level of the treatment fluid.
Preferably, the outer wall of the treatment box is provided with a circulating water supply assembly, a spraying assembly is arranged at the inner top surface of the treatment box, and the water outlet end of the circulating water supply assembly is connected with the water inlet end of the spraying assembly.
Preferably, the circulating water supply assembly comprises a circulating pump arranged on the surface of the treatment box, a liquid inlet end of the circulating pump is connected with a liquid inlet pipe, the liquid inlet pipe is communicated with the lower portion of the inside of the treatment box, a liquid outlet end of the circulating pump is connected with a liquid outlet pipe, and the end part of the liquid outlet pipe is connected with the liquid inlet end of the spraying assembly.
Preferably, the spray assembly comprises a conveying pipe positioned at the inner top surface of the treatment box and communicated with the liquid outlet pipe, liquid spraying pipes distributed at equal intervals are horizontally arranged on the conveying pipe, and evenly distributed nozzles are arranged on the bottom surface of the liquid spraying pipes.
Compared with the prior art, the utility model has the following beneficial technical effects:
1. through the two particle waste gas filtering components and the detachable dust collection cloth bags arranged in the two particle waste gas filtering components, the two particle waste gas filtering components can be mutually switched for use, so that the dust collection cloth bags in an unused state can be conveniently removed and cleaned after switching, the dust collection cloth bags do not need to be shut down, and the overall waste gas treatment efficiency is further ensured;
2. through the cooperation of the circulating water supply assembly and the spraying assembly, the waste gas filtered by the dust removal cloth bag is absorbed, the waste gas treatment liquid achieves the effect of recycling, and meanwhile, the contact absorption effect between the waste gas and the treatment liquid can be ensured;
the utility model realizes the dismantling and cleaning work of the dust removing cloth bag in the unused state, does not need to stop the cleaning of the dust removing cloth bag, further ensures the overall waste gas treatment efficiency, simultaneously realizes the recycling function of the waste gas treatment liquid, and can also ensure the contact absorption effect between the waste gas and the treatment liquid.
Drawings
FIG. 1 shows a schematic structure of the present utility model;
FIG. 2 shows a schematic cross-sectional structure of the present utility model;
FIG. 3 is a schematic view of the partially enlarged structure of FIG. 2 according to the present utility model;
FIG. 4 shows a schematic diagram of the arrangement of the liquid ejecting tubes in the present utility model.
Reference numerals:
1. a treatment box;
2. an absorption tube 21, a first electromagnetic valve; 22. a liquid discharge pipe;
3. a filter vat; 31. a connection port; 32. a communication port;
4. a communicating pipe;
5. an air inlet pipe;
6. a second electromagnetic valve;
7. a sealing plate;
8. a connecting rod;
9. connecting sleeves;
10. a closing sleeve;
11. a dust removing cloth bag;
12. a thread sleeve head;
13. an exhaust pipe;
14. a circulation pump;
15. a liquid inlet pipe;
16. a liquid outlet pipe;
17. a delivery tube;
18. a liquid spraying pipe;
19. and (3) a nozzle.
Detailed Description
The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.
Examples
As shown in fig. 1 and fig. 2, the collection and purification treatment device for particle waste gas provided by the utility model comprises a treatment box 1, wherein two absorption pipes 2 extending into the treatment box 1 are arranged on the top surface of the treatment box 1, a first electromagnetic valve 21 is arranged at the upper part of each absorption pipe 2, the first electromagnetic valve 21 can control the on-off of each absorption pipe 2, further, the two absorption pipes 2 can work respectively, particle waste gas filtering components are arranged at the top ends of the two absorption pipes 2, a detachable dust collection cloth bag 11 is arranged in each particle waste gas filtering component, particles in the particle waste gas are filtered by utilizing the filtering effect of the dust collection cloth bag 11, and the detachable dust collection cloth bag 11 is convenient to detach for cleaning.
It can be seen from fig. 2 that a communicating pipe 4 is arranged between two particle waste gas filtering components in a communicating way, an air inlet pipe 5 is arranged in the middle of the top surface of the communicating pipe 4, two sides of the air inlet pipe 5 are respectively provided with a second electromagnetic valve 6 positioned on the communicating pipe 4, the communicating pipe 4 forms a switching way under the action of the second electromagnetic valve 6, the air inlet pipe 5 is communicated with one particle waste gas filtering component through the communicating pipe 4, the dust collecting cloth bag 11 in an unused state is conveniently removed and cleaned, and the dust collecting cloth bag 11 is not required to be cleaned by shutdown, so that the whole waste gas treatment efficiency is ensured.
The outer walls of the two sides of the treatment box 1 are respectively provided with an exhaust pipe 13, the exhaust pipes 13 are positioned at the outer wall of the upper part of the treatment box 1, so that the exhaust gas discharged through the absorption pipe 2 is treated by the treatment liquid and overflows upwards to be discharged from the exhaust pipes 13, and the exhaust gas is further ensured to act with the treatment liquid fully.
Further as shown in fig. 3, the outer wall of the treatment box 1 is provided with a circulating water supply assembly, the top surface of the inside of the treatment box 1 is provided with a spraying assembly, the water outlet end of the circulating water supply assembly is connected with the water inlet end of the spraying assembly, waste gas filtered by the dust removal cloth bag 11 is subjected to absorption treatment, and waste gas treatment liquid achieves the effect of recycling, and meanwhile, the contact absorption effect between the waste gas and the treatment liquid can be guaranteed.
Still further, granule waste gas filter assembly is including setting up the filter vat 3 on absorption tube 2 top, the lateral wall of filter vat 3 passes through intercommunication mouth 32 and communicating pipe 4 assembly connection, the bottom of filter vat 3 is equipped with connector 31 realization and the purpose of absorption tube 2 installation, sliding is provided with annular structure's enclosure 10 in the filter vat 3, enclosure 10 is by elastic material preparation, guarantee the relative closure with filter vat 3 inner wall, dust removal sack 11 sets up the bottom surface at enclosure 10, make waste gas can pass through dust removal sack 11 completely, guarantee granule waste gas's filtration treatment effect, the top screw thread of filter vat 3 is sealed and is had closing plate 7, be provided with connecting rod 8 between closing plate 10 and the bottom surface of closing plate 7, make closing plate 7 can the screw thread unscrew, and then make connecting rod 8 drive the dust removal sack 11 on the enclosure 10 and shift out along with it, make things convenient for carrying out the cleaning work to dust removal sack 11.
Wherein, the inner wall of the sealing sleeve 10 is fixed with a connecting sleeve 9 with an annular structure, the connecting rod 8 is connected to the top surface of the connecting sleeve 9, the arrangement of the connecting sleeve 9 ensures that the sealing sleeve 10 forms a better sealing component, and meanwhile, the arrangement of the connecting sleeve 9 facilitates the connection and the fixation between the connecting rod 8 and the connecting sleeve 9.
The inner wall of the top end of the filter vat 3 is provided with internal threads, the bottom surface of the sealing plate 7 is provided with a thread sleeve head 12 with a hollow structure, and the external threads of the thread sleeve head 12 are matched with the internal threads of the filter vat 3, so that the sealing plate 7 can be conveniently detached from the filter vat 3 in a threaded manner under the action of the thread sleeve head 12.
Wherein, be provided with the treatment liquid in the treatment box 1, the bottom of absorption tube 2 stretches into the treatment liquid below the liquid level department, makes waste gas let in at first and absorbs in the treatment liquid, guarantees the treatment effect of waste gas, and is provided with fluid-discharge tube 22 in the side lower part department of treatment box 1 and is used for the discharge of treatment liquid, and is provided with the on-off valve on the fluid-discharge tube 22.
Further, circulation water supply subassembly is including installing the circulating pump 14 on the surface of handling case 1, the feed liquor end of circulating pump 14 is connected with feed liquor pipe 15, and feed liquor pipe 15 and the inside lower part intercommunication of handling case 1, make and conveniently absorb the treatment fluid under the effect of circulating pump 14, the play liquid end of circulating pump 14 is connected with drain pipe 16, the tip of drain pipe 16 is connected with the feed liquor end of spray assembly, make drain pipe 16 conveniently provide the treatment fluid to spray assembly, spray assembly is including the conveyer pipe 17 that is located the top surface department in handling case 1, and conveyer pipe 17 and drain pipe 16 intercommunication set up, the level is provided with the hydrojet 18 of equidistance distribution on the conveyer pipe 17, the bottom surface of hydrojet 18 is provided with evenly distributed's nozzle 19, make whole nozzle 19 evenly distributed in the inside top department of handling case 1, and then make things convenient for nozzle 19 blowout treatment fluid, make the waste gas that overflows treatment fluid absorb the treatment again, guarantee waste gas absorption treatment effect.
The working principle of the embodiment is as follows: firstly, particle waste gas is introduced from an air inlet pipe 5, at the moment, a second electromagnetic valve 6 and a first electromagnetic valve 21 on one side are in an open state, and the other side is in a closed state, at the moment, after the waste gas enters a filter vat 3 through a communicating pipe 4 on one side, the waste gas enters an absorption liquid through a dust removing cloth bag 11 along an absorption pipe 2 for absorption treatment, and the waste gas overflowed from the absorption liquid is sprayed out of a nozzle 19 in a spraying assembly for absorption treatment again under the action of a circulating pump 14, so that the waste gas absorption treatment effect is ensured, the dust removing cloth bag 11 in the filter vat 3 can be closed after being used for a period of time, the second electromagnetic valve 6 and the first electromagnetic valve 21 on the other side are opened, the other filter vat 3 is in an operating state, at the moment, a sealing plate 7 can be screwed out by threads, the dust removing cloth bag 11 on a sealing sleeve 10 is driven by a connecting rod 8 to move upwards out of the filter vat 3, the dust removing cloth bag 11 is convenient to clean the dust removing cloth bag 11, the dust removing cloth bag 11 is further cleaned by the dust removing cloth bag 11 in an unused state, and the dust removing cloth bag 11 is unnecessary to shutdown the dust removing cloth bag 11, so that the whole waste gas treatment efficiency is ensured, and the waste gas treatment effect can be ensured, and the waste gas recycling effect can be ensured to be in contact with the waste gas.
The above-described embodiments are merely a few alternative embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.
Claims (8)
1. The utility model provides a collection purification treatment device of granule waste gas, includes treatment box (1), its characterized in that still includes:
a plurality of groups of absorption pipes (2) which are arranged at the top of the treatment box (1) and extend into the treatment box, and a first electromagnetic valve (21) is arranged at the upper end of each absorption pipe (2);
the particle waste gas filtering assembly is arranged at the top end of the absorption tube (2), and a detachable dust removing cloth bag (11) is arranged in the particle waste gas filtering assembly;
the communicating pipes (4) are connected among the particle waste gas filtering components, an air inlet pipe (5) is arranged in the middle of the top surface of the communicating pipe (4), and two sides of the air inlet pipe (5) are respectively provided with a second electromagnetic valve (6) positioned on the communicating pipe (4);
and exhaust pipes (13) connected to the upper sides of the processing box (1) for exhausting the purified gas.
2. The collecting and purifying treatment device for the particle waste gas according to claim 1, wherein the particle waste gas filtering component comprises a filter vat (3) arranged at the top end of an absorption tube (2), a sealing sleeve (10) with an annular structure is slidably arranged in the filter vat (3), the dust removing cloth bag (11) is arranged on the bottom surface of the sealing sleeve (10), a sealing plate (7) is sealed by threads at the top end of the filter vat (3), and a connecting rod (8) is arranged between the bottom surface of the sealing plate (7) and the sealing sleeve (10).
3. The collecting and purifying treatment device for the particulate waste gas according to claim 2, wherein a connecting sleeve (9) with an annular structure is fixed on the inner wall of the sealing sleeve (10), and the connecting rod (8) is connected to the top surface of the connecting sleeve (9).
4. The device for collecting, purifying and treating the particulate waste gas according to claim 2, wherein the inner wall of the top end of the filter vat (3) is provided with internal threads, the bottom surface of the sealing plate (7) is provided with a thread sleeve head (12) with a hollow structure, and the external threads of the thread sleeve head (12) are matched with the internal threads of the filter vat (3).
5. The device for collecting, purifying and treating the particulate waste gas according to claim 4, wherein the treating tank (1) is provided with a treating fluid, and the bottom end of the absorbing pipe (2) extends to a position below the liquid surface of the treating fluid.
6. The particulate waste gas collecting and purifying treatment device according to claim 1, wherein the outer wall of the treatment tank (1) is provided with a circulating water supply assembly, a spraying assembly is arranged at the inner top surface of the treatment tank (1), and the water outlet end of the circulating water supply assembly is connected with the water inlet end of the spraying assembly.
7. The device for collecting, purifying and treating the particle waste gas according to claim 6, wherein the circulating water supply assembly comprises a circulating pump (14) arranged on the surface of the treatment box (1), a liquid inlet end of the circulating pump (14) is connected with a liquid inlet pipe (15), the liquid inlet pipe (15) is communicated with the lower inner part of the treatment box (1), a liquid outlet end of the circulating pump (14) is connected with a liquid outlet pipe (16), and the end part of the liquid outlet pipe (16) is connected with the liquid inlet end of the spraying assembly.
8. The collecting and purifying treatment device for the particulate waste gas according to claim 7, wherein the spraying assembly comprises a conveying pipe (17) positioned at the inner top surface of the treatment box (1), the conveying pipe (17) is communicated with a liquid outlet pipe (16), liquid spraying pipes (18) distributed at equal intervals are horizontally arranged on the conveying pipe (17), and evenly distributed nozzles (19) are arranged on the bottom surface of the liquid spraying pipes (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322464402.4U CN220736843U (en) | 2023-09-12 | 2023-09-12 | Collecting and purifying treatment device for particle waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322464402.4U CN220736843U (en) | 2023-09-12 | 2023-09-12 | Collecting and purifying treatment device for particle waste gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220736843U true CN220736843U (en) | 2024-04-09 |
Family
ID=90558987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322464402.4U Active CN220736843U (en) | 2023-09-12 | 2023-09-12 | Collecting and purifying treatment device for particle waste gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220736843U (en) |
-
2023
- 2023-09-12 CN CN202322464402.4U patent/CN220736843U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206597450U (en) | A kind of sulphur-containing exhaust gas dust separation system | |
| CN206566629U (en) | A kind of harmful exhaust treatment and purification device | |
| CN220736843U (en) | Collecting and purifying treatment device for particle waste gas | |
| CN109351143A (en) | A kind of Industrial Boiler with can waste heat recycling Refining Equipmeut for Desulfuration in Gas | |
| CN210874788U (en) | Flue gas desulfurization separation processing apparatus | |
| CN218687919U (en) | Active carbon adsorption device | |
| CN208161296U (en) | A kind of environment-protecting type exhaust air dedusting and purifying device | |
| CN216964004U (en) | Gas purification system for butyronitrile glove production | |
| CN215654626U (en) | Flue gas desulfurization and denitrification system of asphalt mixing plant | |
| CN212397017U (en) | Electrostatic active carbon adsorption combined type oil smoke purifying equipment | |
| CN212999050U (en) | Spray treatment device of vertical waste gas washing tower | |
| CN205109272U (en) | Water mist dust removing apparatus | |
| CN208809691U (en) | A kind of environment-friendly type industrial waste-gas purifier | |
| CN206911058U (en) | A kind of equipment for treating industrial waste gas using novel energy | |
| CN214389461U (en) | Waste gas treatment device for purifying dust | |
| CN220328330U (en) | Tail gas washing tower filter equipment | |
| CN218653625U (en) | Wet dust collector with water recycling function | |
| CN212142083U (en) | Waste gas treatment device for separately treating gas and dust | |
| CN220788660U (en) | Spray cooling tower for dedusting converter flue gas | |
| CN220443395U (en) | Industrial waste gas is with collecting processing apparatus | |
| CN213885517U (en) | A exhaust gas purification device for atmospheric pollution administers | |
| CN210751981U (en) | Wet-type self-circulation exhaust gas purification device | |
| CN108722074A (en) | A kind of Novel chimney exhaust gas atomization dust-collecting equipment | |
| CN219964295U (en) | Waste gas treatment filter equipment | |
| CN216320922U (en) | Horizontal waste gas treatment tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |