CN211435761U - Environment-friendly equipment for treating waste gas by UV (ultraviolet) - Google Patents
Environment-friendly equipment for treating waste gas by UV (ultraviolet) Download PDFInfo
- Publication number
- CN211435761U CN211435761U CN201921864047.7U CN201921864047U CN211435761U CN 211435761 U CN211435761 U CN 211435761U CN 201921864047 U CN201921864047 U CN 201921864047U CN 211435761 U CN211435761 U CN 211435761U
- Authority
- CN
- China
- Prior art keywords
- cotton
- waste gas
- catalytic oxidation
- activated carbon
- lamp tube
- 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.)
- Expired - Fee Related
Links
- 239000002912 waste gas Substances 0.000 title claims abstract description 49
- 229920000742 Cotton Polymers 0.000 claims abstract description 61
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 51
- 230000003197 catalytic effect Effects 0.000 claims abstract description 37
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 33
- 230000003647 oxidation Effects 0.000 claims abstract description 29
- 239000004922 lacquer Substances 0.000 claims abstract description 23
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 12
- 230000007613 environmental effect Effects 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims description 19
- 239000003595 mist Substances 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 239000003973 paint Substances 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 7
- 239000013618 particulate matter Substances 0.000 abstract description 7
- 238000000354 decomposition reaction Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- -1 active oxygen Chemical compound 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Images
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The utility model discloses an environmental protection equipment of UV ultraviolet ray treatment waste gas, it includes: the box, set up in the lacquer fog cotton of box air inlet department, the activated carbon cotton of box air outlet department and at least a set of waste gas catalytic oxidation module that sets up between lacquer fog cotton and activated carbon cotton and be used for handling waste gas, waste gas catalytic oxidation module is including UV lamp pipe subassembly and set up in the catalysis net of UV lamp pipe side. The utility model discloses an adopt the module installation mode that can dismantle fast, with the coating cloud cotton, the activated carbon cotton, waste gas catalytic oxidation module installs in the box, make the maintenance change convenient, and prolong service life, and carry out catalytic oxidation through a plurality of waste gas catalytic oxidation modules in succession many times and decompose waste gas, increase the decomposition efficiency and the effect of waste gas, set up the coating cloud cotton at waste gas catalytic oxidation module front end simultaneously and adsorb great particulate matter and vapor in to waste gas, prevent that the UV fluorescent tube from damaging because of meetting a large amount of vapor and particulate matter, increase the life of UV fluorescent tube, and the cost is saved.
Description
The technical field is as follows:
the utility model relates to a waste gas treatment technical field refers in particular to an environmental protection equipment of UV ultraviolet ray treatment waste gas.
Background art:
in the industrial production process, spraying and grinding are common working links, a large amount of pollutants are generated in the working links, and the waste gas is serious, so that the atmosphere environment is polluted seriously. With the national attention and requirements on environmental protection, the current situation of the environmental protection industry and the defects of the core technology of the environmental protection equipment are combined, and under the background of strong market demand, the environmental protection equipment has good development prospect in the future of the environmental protection industry.
The method for treating waste gas by using UV is a common method in the environmental protection industry, the speed efficiency of the oxidation reaction is synergistically decomposed, and the service lives of the UV lamp tube and the ballast are directly related to the effect of waste gas treatment.
UV ultraviolet treatment device in the present market, the single UV fluorescent tube of adoption to fixed installation, and do not set up the protection at UV fluorescent tube front end and remove the water smoke module, consequently, lead to the UV fluorescent tube to burst easily in the use, and be difficult to change after the UV fluorescent tube bursts, and because have tiny dust particle in the waste gas often, on easy adhesion UV fluorescent tube, current UV ultraviolet treatment device is difficult to clear up the UV fluorescent tube, lead to the life-span low, cost increase.
In view of the above, the present inventors propose the following.
The utility model has the following contents:
an object of the utility model is to overcome prior art's not enough, provide an environmental protection equipment of UV ultraviolet ray treatment waste gas.
In order to solve the technical problem, the utility model discloses a following technical scheme: this environmental protection equipment of UV ultraviolet ray treatment waste gas includes: the box, set up in the lacquer fog cotton of box air inlet department with the mode of dismantling, set up in the box cotton of active carbon and at least a set of waste gas catalytic oxidation module that sets up in the mode of dismantling between lacquer fog cotton and active carbon cotton and be used for handling waste gas in order to dismantle in the mode of dismantling in the box air outlet department, waste gas catalytic oxidation module including UV lamp tube subassembly and set up in the catalysis net of UV lamp tube subassembly side.
Furthermore, in the above technical solution, the paint mist cotton, the UV lamp tube assembly, the catalytic net, and the activated carbon cotton are all installed in the box body in a manner of being able to be drawn out to one side of the box body.
Furthermore, in the above technical solution, the exhaust gas catalytic oxidation module further includes a rectifying assembly disposed beside the UV lamp assembly.
Furthermore, in the above technical solution, the UV lamp tube assembly includes a first support frame and a plurality of UV lamps mounted on the first support frame, the rectifier assembly includes a plurality of rectifiers corresponding to the UV lamps, and a handle is disposed at a front end of the first support frame.
Furthermore, in the above technical solution, the box body includes at least one door that is disposed on the side wall and can be opened movably and a plurality of mounting grooves that are disposed in the door, and the paint mist cotton, the UV lamp tube assembly, the catalytic net and the activated carbon cotton are all mounted in the mounting grooves in a slidable and detachable manner.
Furthermore, in the above technical solution, the door is provided with six doors distributed in two rows, the upper row and the lower row, the exhaust gas catalytic oxidation module is provided with six groups of exhaust gas catalytic oxidation modules respectively installed on the door, the lacquer mist cotton is provided with two installation grooves respectively installed at the front ends of the upper row and the lower row, and the activated carbon cotton is provided with two installation grooves respectively installed at the rear ends of the upper row and the lower row.
Furthermore, in the above technical scheme, the upper end and the lower end of the lacquer mist cotton are respectively provided with a first lock bolt for fixing the lacquer mist cotton, the upper end and the lower end of the UV lamp tube assembly are respectively provided with a second lock bolt for fixing the UV lamp tube assembly, the upper end and the lower end of the catalytic mesh are respectively provided with a third lock bolt for fixing the catalytic mesh, and the upper end and the lower end of the activated carbon cotton are respectively provided with a fourth lock bolt for fixing the activated carbon cotton.
Furthermore, in the above technical solution, the door is provided with a plurality of heat dissipation holes, and the upper end surface of the box body is provided with a plurality of heat dissipation holes.
Furthermore, in the above technical solution, the first lock bolt includes a lock seat disposed on one side of the mounting groove, a lock rod having one end hinged to the lock seat, a bolt column disposed on the other side of the mounting groove, and a nut for fixing the other end of the lock rod to the bolt column, and the second lock bolt, the third lock bolt, and the fourth lock bolt are all the same as the first lock bolt in structure.
After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: the utility model discloses an adopt the module installation mode that can dismantle fast, with the coating cloud cotton, the activated carbon cotton, waste gas catalytic oxidation module installs in the box, make the maintenance change convenient, and prolong service life, and carry out catalytic oxidation through a plurality of waste gas catalytic oxidation modules in succession many times and decompose waste gas, increase the decomposition efficiency and the effect of waste gas, set up the coating cloud cotton at waste gas catalytic oxidation module front end simultaneously and adsorb great particulate matter and vapor in to waste gas, prevent that the UV fluorescent tube from damaging because of meetting a large amount of vapor and particulate matter, increase the life of UV fluorescent tube, and the cost is saved.
Description of the drawings:
FIG. 1 is a front view of the present invention with the door removed;
fig. 2 is a front view of the present invention;
fig. 3 is a top view of the present invention;
fig. 4 is a schematic view of the installation of the UV lamp tube assembly of the present invention.
Description of reference numerals:
1 air inlet 12 air outlet end of box body 11
13 door 131 plural heat-dissipating holes 15
2 catalysis oxidation module for lacquer mist cotton 3 active carbon cotton 4 waste gas
5UV lamp tube assembly 51 first support frame 52UV lamp tube
53 handle 6 catalysis net 7 rectification subassembly
71 rectifier 81 first latch 82 second latch
83 third and fourth latches 84
The specific implementation mode is as follows:
the present invention will be further described with reference to the following specific embodiments and accompanying drawings.
Referring to fig. 1 to 4, there is provided an environmental protection apparatus for treating exhaust gas by UV, comprising: the box 1, set up in the lacquer fog cotton 2 of box 1 air inlet 11 department with the mode of dismantling, set up in the box 1 and give vent to anger the activated carbon cotton 3 of end 12 department and at least a set of waste gas catalytic oxidation module 4 that sets up between lacquer fog cotton 2 and activated carbon cotton 3 with the mode of dismantling and be used for handling waste gas with the mode of dismantling in the at least, waste gas catalytic oxidation module 4 including UV lamp tube subassembly 5 and set up in the catalysis net 6 of UV lamp tube subassembly 5 side.
The paint mist cotton 2, the UV lamp tube component 5, the catalytic net 6 and the activated carbon cotton 3 are all arranged in the box body 1 in a manner of being capable of being drawn out towards one side of the box body 1.
The exhaust gas catalytic oxidation module 4 further comprises a rectifying assembly 7 arranged beside the UV lamp tube assembly 5.
The UV lamp tube assembly 5 comprises a first support frame 51 and a plurality of UV lamps 52 mounted on the first support frame 51, the rectifier assembly 7 comprises a plurality of rectifiers 71 corresponding to the UV lamps 52, and a handle 53 is arranged at the front end of the first support frame 51.
The box body 1 comprises at least one door 13 which is arranged on the side wall and can be opened movably and a plurality of mounting grooves 14 which are arranged in the door 13, and the paint mist cotton 2, the UV lamp tube component 5, the catalytic net 6 and the activated carbon cotton 3 are all arranged in the mounting grooves 14 in a slidable and detachable mode.
The door 13 is provided with six doors which are distributed in an upper row and a lower row, the exhaust gas catalytic oxidation module 4 is provided with six groups which are respectively arranged on the door 13, the lacquer mist cotton 2 is provided with two mounting grooves 14 which are respectively arranged at the front ends of the upper row and the lower row, and the activated carbon cotton 3 is provided with two mounting grooves 14 which are respectively arranged at the rear ends of the upper row and the lower row.
The upper and lower both ends of lacquer mist cotton 2 be provided with respectively and be used for fixing first set bar 81 of lacquer mist cotton 2, UV lamp tube subassembly 5 upper and lower both ends be provided with respectively and be used for fixing the second set bar 82 of UV lamp tube subassembly 5, catalysis net 6 upper and lower both ends be provided with respectively and be used for fixing the third set bar 83 of catalysis net 6, the upper and lower both ends of active carbon cotton 3 be provided with respectively and be used for fixing the fourth set bar 84 of active carbon cotton 3.
The door 13 is provided with a plurality of heat dissipation holes 131, and the upper end surface of the box body 1 is provided with a plurality of heat dissipation holes 15.
The first lock bolt 81 comprises a lock seat arranged on one side of the mounting groove, a lock rod with one end hinged to the lock seat, a bolt column arranged on the other side of the mounting groove and a nut used for fixing the other end of the lock rod on the bolt column, and the second lock bolt 82, the third lock bolt 83 and the fourth lock bolt 84 are all identical to the first lock bolt 81 in structure.
The UV lamp tube 52 is a conventional high-energy UV lamp tube on the market, the rectifier 71 is a high-stability rectifier matched with the UV lamp tube 52 on the market in a conventional way, and the catalytic mesh 6 is a catalytic mesh attached with a conventional photocatalyst layer medium on the market.
To sum up, the utility model discloses the during operation, waste gas gets into from air inlet 11, earlier through the lacquer fog cotton 2, and the great particulate matter and the little vapor interception in the waste gas of lacquer fog cotton 2, on next step, waste gas process waste gas catalytic oxidation module 4 carry out the decomposition oxidation reaction in coordination under the effect of UV fluorescent tube 52 and catalysis net 6, make waste gas degradation turn into low molecular compound and water and carbon dioxide, and on next step, low molecular compound and water and carbon dioxide are through activated carbon cotton 3, discharge behind the cotton 3 adsorption component low molecular compound of activated carbon and water.
Specifically, the method comprises the following steps: the high-energy high-ozone UV light beam is utilized to decompose oxygen molecules in the air to generate free oxygen, namely active oxygen, and the free oxygen needs to be combined with the oxygen molecules because positive and negative electrons carried by the free oxygen are unbalanced, so that ozone is generated. After the malodorous gas is input into the purification equipment by using the exhaust equipment, the purification equipment uses high-energy UV light beams and ozone to carry out a synergistic decomposition oxidation reaction on the malodorous gas, so that the malodorous gas is degraded and converted into low-molecular compounds, water and carbon dioxide, and then is discharged outdoors through an exhaust pipeline. And the molecular bond of bacteria in the malodorous gas is cracked by high-energy UV light beams to destroy the nucleic acid DNA of the bacteria, and then the deodorization and the sterilization are realized by carrying out oxidation reaction by ozone.
After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: the utility model discloses an adopt the module installation mode that can dismantle fast, with the lacquer fog cotton 2, the active carbon cotton 3, waste gas catalytic oxidation module 4 is installed in the box, make the maintenance change convenient, and prolong service life, and carry out catalytic oxidation decomposition to waste gas through a plurality of waste gas catalytic oxidation module 4 in succession many times, increase the decomposition efficiency and the effect of waste gas, set up lacquer fog cotton 2 at waste gas catalytic oxidation module 4 front end simultaneously and adsorb to great particulate matter and vapor in the waste gas, prevent that UV fluorescent tube 52 from damaging because of meetting a large amount of vapor and particulate matter, increase UV fluorescent tube 52's life, and the cost is saved.
Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.
Claims (9)
1. An environmental protection equipment for UV treatment of waste gas, comprising: the box (1), set up in the lacquer fog cotton (2) of box (1) air inlet (11) department with the mode of dismantling, set up in box (1) give vent to anger activated carbon cotton (3) of end (12) department and at least a set of with the mode of dismantling and set up in between lacquer fog cotton (2) and activated carbon cotton (3) and be used for handling waste gas's waste gas catalytic oxidation module (4) with the mode of dismantling at least, waste gas catalytic oxidation module (4) including UV lamp tube subassembly (5) and set up in catalysis net (6) of UV lamp tube subassembly (5) side.
2. The environmentally friendly apparatus for UV treatment of exhaust gas according to claim 1, wherein: the paint mist cotton (2), the UV lamp tube assembly (5), the catalytic net (6) and the activated carbon cotton (3) are arranged in the box body (1) in a manner of being capable of being drawn out towards one side of the box body (1).
3. The environmentally friendly apparatus for UV treatment of exhaust gas according to claim 2, wherein: the waste gas catalytic oxidation module (4) further comprises a rectifying assembly (7) arranged beside the UV lamp tube assembly (5).
4. An environmentally friendly apparatus for UV treatment of exhaust gases according to claim 3, wherein: the UV lamp tube assembly (5) comprises a first support frame (51) and a plurality of UV lamp tubes (52) arranged on the first support frame (51), the rectifying assembly (7) comprises a plurality of rectifiers (71) corresponding to the UV lamp tubes (52), and a handle (53) is arranged at the front end of the first support frame (51).
5. The environmentally friendly apparatus for UV treatment of exhaust gas according to claim 4, wherein: box (1) including at least one set up door (13) and plural number that open on the lateral wall and set up mounting groove (14) in door (13), lacquer fog cotton (2), UV lamp tube subassembly (5), catalysis net (6), activated carbon cotton (3) all install with slidable dismantlement's mode in mounting groove (14).
6. The environmentally friendly apparatus for UV treatment of exhaust gas according to claim 5, wherein: door (13) be provided with six and two rows of upper and lower distributions, exhaust gas catalytic oxidation module (4) be provided with six group install respectively in door (13) door, lacquer fog cotton (2) be provided with two install respectively in two rows of upper and lower front ends mounting groove (14) in, active carbon cotton (3) be provided with two install respectively in two rows of upper and lower rear ends mounting groove (14) in.
7. The environmentally friendly apparatus for UV treatment of exhaust gas according to claim 6, wherein: lacquer fog cotton (2) upper and lower both ends be provided with respectively and be used for fixing first set bar (81) of lacquer fog cotton (2), UV lamp tube subassembly (5) upper and lower both ends be provided with respectively and be used for fixing second set bar (82) of UV lamp tube subassembly (5), catalysis net (6) upper and lower both ends be provided with respectively and be used for fixing third set bar (83) of catalysis net (6), activated carbon cotton (3) upper and lower both ends be provided with respectively and be used for fixing fourth set bar (84) of activated carbon cotton (3).
8. The environmentally friendly apparatus for UV treatment of exhaust gas according to claim 7, wherein: the door (13) is provided with a plurality of heat dissipation holes (131), and the upper end surface of the box body (1) is provided with a plurality of heat dissipation holes (15).
9. The environmentally friendly apparatus for UV treatment of exhaust gas according to claim 7, wherein: the first lock bolt (81) comprises a lock seat arranged on one side of the mounting groove, a lock rod with one end hinged on the lock seat, a bolt column arranged on the other side of the mounting groove and a nut used for fixing the other end of the lock rod on the bolt column, and the second lock bolt (82), the third lock bolt (83) and the fourth lock bolt (84) are all identical to the first lock bolt (81) in structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921864047.7U CN211435761U (en) | 2019-10-31 | 2019-10-31 | Environment-friendly equipment for treating waste gas by UV (ultraviolet) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921864047.7U CN211435761U (en) | 2019-10-31 | 2019-10-31 | Environment-friendly equipment for treating waste gas by UV (ultraviolet) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211435761U true CN211435761U (en) | 2020-09-08 |
Family
ID=72319775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921864047.7U Expired - Fee Related CN211435761U (en) | 2019-10-31 | 2019-10-31 | Environment-friendly equipment for treating waste gas by UV (ultraviolet) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211435761U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112619355A (en) * | 2020-12-29 | 2021-04-09 | 重庆绿标环保科技有限公司 | Device for treating organic waste gas by electrodeless microwave |
-
2019
- 2019-10-31 CN CN201921864047.7U patent/CN211435761U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112619355A (en) * | 2020-12-29 | 2021-04-09 | 重庆绿标环保科技有限公司 | Device for treating organic waste gas by electrodeless microwave |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104958972A (en) | Small-sized tower-shaped combined type waste gas treatment device | |
| WO2020207236A1 (en) | Integrated equipment for adsorption and catalytic coupling treatment of acid waste gas and organic waste gas | |
| CN205412680U (en) | Air cleaning device | |
| CN207628198U (en) | Organic waste gas treatment device | |
| CN1907541A (en) | Method for unwanted exhaust gas purification and dedicated apparatus | |
| WO2021203709A1 (en) | Low-temperature plasma deodorization system | |
| CN211435761U (en) | Environment-friendly equipment for treating waste gas by UV (ultraviolet) | |
| CN209917632U (en) | Low concentration VOCs organic waste gas purifying equipment | |
| CN105498482A (en) | Waste gas treatment device | |
| CN111266006A (en) | Integrated combined purifier | |
| CN211936215U (en) | Photo-oxidation catalytic equipment | |
| CN209735347U (en) | Photolysis equipment for treating industrial organic waste gas | |
| CN104958973A (en) | Small-sized tower-shaped combined waste gas treatment device | |
| CN212091693U (en) | Integrated combined purifier | |
| CN214233476U (en) | High-efficient filterable exhaust-gas treatment equipment | |
| CN209952592U (en) | VOCs processing system of rubber processing industry | |
| CN211676913U (en) | Waste gas treatment equipment | |
| CN110894996B (en) | Channel type active air purification generator device | |
| CN215962971U (en) | Printing exhaust gas purification system | |
| CN107281912B (en) | Multi-source obliquely-inserted plasma gas treatment device | |
| CN216321120U (en) | Organic waste gas catalytic degradation device | |
| CN219722461U (en) | Waste gas purifying device | |
| CN204841315U (en) | Waste gas photoelectricity integration treatment device sprays paint | |
| CN210057757U (en) | Waste gas absorption equipment for coal coking workshop | |
| CN212440778U (en) | Compound exhaust treatment device based on light oxygen photocatalysis and low temperature plasma |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200908 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |