CN206566726U - One kind spraying exhaust gas purification and treatment device - Google Patents
One kind spraying exhaust gas purification and treatment device Download PDFInfo
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- CN206566726U CN206566726U CN201621231490.7U CN201621231490U CN206566726U CN 206566726 U CN206566726 U CN 206566726U CN 201621231490 U CN201621231490 U CN 201621231490U CN 206566726 U CN206566726 U CN 206566726U
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- waste gas
- plasma generator
- input unit
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- 238000005507 spraying Methods 0.000 title claims abstract description 20
- 238000000746 purification Methods 0.000 title claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 51
- 239000002912 waste gas Substances 0.000 claims abstract description 40
- 239000007789 gas Substances 0.000 claims abstract description 37
- 239000010453 quartz Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 230000005284 excitation Effects 0.000 claims description 5
- 239000003708 ampul Substances 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 239000007921 spray Substances 0.000 abstract description 9
- 239000011248 coating agent Substances 0.000 abstract description 6
- 238000000576 coating method Methods 0.000 abstract description 6
- 239000003973 paint Substances 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000000654 additive Substances 0.000 abstract description 2
- 230000000996 additive effect Effects 0.000 abstract description 2
- 239000013043 chemical agent Substances 0.000 abstract description 2
- 238000001035 drying Methods 0.000 abstract description 2
- 238000007592 spray painting technique Methods 0.000 abstract description 2
- 239000002351 wastewater Substances 0.000 abstract description 2
- 238000000338 in vitro Methods 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 13
- 238000000034 method Methods 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 9
- 150000002500 ions Chemical class 0.000 description 9
- 229910001868 water Inorganic materials 0.000 description 9
- 230000009102 absorption Effects 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 8
- 238000001914 filtration Methods 0.000 description 7
- 229920000742 Cotton Polymers 0.000 description 6
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 239000012855 volatile organic compound Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000003610 charcoal Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000796 flavoring agent Substances 0.000 description 3
- 235000019634 flavors Nutrition 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000007084 catalytic combustion reaction Methods 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- -1 hydrogen compound Chemical class 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model is related to a kind of spraying exhaust gas purification and treatment device, including air delivery arrangement, plasma generator, waste gas input unit, reaction chamber, after-treatment device, described plasma generator one end is connected with air delivery arrangement, the plasma generator other end is connected with reaction chamber one end, reaction chamber connects waste gas input unit, the reaction chamber other end is connected with after-treatment device, the utility model can be to the waste gas that is produced in coating industry production process, and vehicle spray painting, furniture spray paint, the waste gas collected in the working environments such as equipment spraying carries out purified treatment, realize qualified discharge, purification process uses dry process, any additive need not be added, chemical agent, do not use washing step, waste water will not be produced, waste residue, and secondary pollution, and waste gas with etc. in vitro generator be not directly contacted with, it is safe, operational reliability is high.
Description
Technical field
The utility model is related to a kind of volatile organic matter（VOCs）Prevention and cure of pollution device, more particularly to a kind of spraying is useless
Gas purifying processing device.
Background technology
The main waste gas that produces in the production process including coating and during use of spraying waste gas, is modern industry
Inevitable pollutant, its sensory experience to people, it is even healthy cause harm, need badly and administered.Particularly
The use of coating is in extensive range, can be applied to vehicle spray painting, furniture spray paint, equipment spraying, electronic product spraying, packing material surface
The fields such as spraying.In actual production, many medium-sized and small enterprises use outdoor spraying；The strict place of some environmental requirements, production
Enterprise uses the plan of the rights and interests such as cascade filtering, charcoal absorption；Simultaneously as spraying waste gas is low concentration, big flow, normal temperature give up
Gas, control《Atmosphere pollution comprehensive discharge standard》, some enterprises take the method for high altitude discharge, although this method can be met
Current discharge standard, but waste gas is substantially unprocessed dilution discharge, and the harm caused to air is also very serious.
Volatile contaminant in lacquer spraying waste gas is water insoluble, is just to remove coating cloud and formed with the purpose of water curtain or cascade
Slag is painted, and painting slag needs to be used as solid waste progress special disposal after periodic cleaning, it is also desirable to carry out sewage disposal.
It is a kind of effective industrial treatment means, organic waste using the microporous characterization of adsorption absorption spraying waste gas of activated carbon
Gas is contacted by adsorbent bed with activated carbon, and the organic pollution in waste gas is attracted to activated carbon surface, so as to be taken off from air-flow
Separate out and, reach clean-up effect.But in view of the economy and environment friendly of processing procedure, i.e., by the work of saturation adsorbing contaminant
Property charcoal must be parsed and be regenerated, make its recover adsorption capacity.Therefore it is once to abandon or make profits again afterwards that activated carbon, which is used,
With being a factor that can not ignore, but the enterprise of many use charcoal absorptions does not use active carbon regenerating technology and dress
Standby, its using effect is well imagined.
In order to ensure the people's livelihood conscientiously, instruct enterprise to select appropriate pollution prevention technique to carry out exhaust-gas treatment, National Environmental
Protection portion is issued《Volatile organic compounds prevention and cure of pollution policy》（Bulletin No. 31 2013-05-24 in 2013 is implemented）, in the policy
And clearly proposed in policy development explanation：
1）Encourage to post-process using closed integrated production technology and to the waste gas categorised collection produced in production process.
2）For the waste gas of the VOCs containing low concentration, adsorption technology, absorption techniques can be used to organic molten by having during recovery value
Qualified discharge after agent is reclaimed；When should not reclaim, Adsorption Concentration combustion technology, biotechnology, absorption techniques, plasma can be used
Qualified discharge after the purification such as technology or ultraviolet light high-level oxidation technology.
In actual production, three benzene concentrations in spraying waste gas are generally below 300mg/m3, wherein paint spray booth exhaust gas concentration
It is lower, generally in 100mg/m3Left and right；For low concentration, the VOCs treatment of Wind Volume, using Production by Catalytic Combustion Process（It is applied to
Concentration is more than 500mg/m3）Processing is improper, and " current photocatalysis oxidation technique has that reaction rate is slow, photon efficiency is low,
Catalyst inactivation, the shortcomings of be difficult to fix, the also non-large-scale application in industrial vocs purification "（In explanation of compilation 2.2.7
Hold）.After technical characterstic comprehensive analysis, it is believed that using plasma technology come handle spraying waste gas be preferable scheme.
In Chinese Ministry of Environmental Protection《Volatile organic compounds prevention and cure of pollution policy（Exposure draft）Explanation of compilation》In, list using etc. from
The structure configuration of body technique, saves content referring to 2.2.6 and 5.6.2, mainly has with Types Below：
1）Cascade demisting+water absorption tower absorption+plasma purification；
2）Process schematic representation is as follows：Waste gas-rotational flow and spray tower-demister-plasma purifier-blower fan-aiutage-reaches
Mark discharge cooling water.
The content of the invention
To solve problem of the prior art, the utility model provides one kind and does not produce secondary pollution, can handle low concentration
Wind Volume waste gas, the spraying exhaust gas purification and treatment device of reliable stabilization.
In order to achieve the above object, the utility model uses following technical scheme：One kind spraying exhaust gas purification and treatment device,
Including air delivery arrangement, plasma generator, waste gas input unit, reaction chamber, after-treatment device, the plasma generator
One end is connected with air delivery arrangement, and the plasma generator other end is connected with reaction chamber one end, reaction chamber connection waste gas
Input unit, the reaction chamber other end is connected with after-treatment device, and after-treatment device includes what is be connected with the reaction chamber other end
Oxidator and the reductor being connected with oxidator, air delivery arrangement include the first blower fan and clarifier, plasma generator
Valve, the plasma generator quantity at least one, reaction chamber quantity at least one, post processing dress are set between reaction chamber
Quantity at least one is put, the waste gas input unit includes the second blower fan and processor, after-treatment device outlet and the 3rd blower fan
It is connected.
Arranged in the plasma generator cavity some plasma generator quartz ampoules, in plasma generator quartz ampoule
Wire netting is installed in portion, and wire netting is connected with excitation power supply.
The utility model carries out waste gas purification processing to production coating working environment and using coating working environment, realizes useless
Gas qualified discharge, the mode of dry process uses Water spray, water absorption tower, rotational flow and spray tower, change in decontamination process, not
The methods such as wash pool are learned, running need not add any additive, chemical agent, will not produce waste water, waste residue and secondary dirt
Dye；Separate type ion activation technology causes ion generator not contacted directly with peculiar smell waste gas, and waste gas and ion are in reaction chamber
Reaction solves equipment corrosion and the problem of reactor easy damaged is easily poisoned, reduction maintenance of equipment cycle and frequency, and explosion-proof peace
Full performance is greatly improved；After-treatment device end is reduced, and is removed for a small amount of residual ozone to be reduced, it is ensured that ozone row up to standard
Put.Clarifier filters out the impurity such as the moisture in air, it is ensured that aeroscope, improves reaction rate, and processor is removed in waste gas
The impurity such as particle, the setting of valve can adjust the amount that plasma gas enters reaction chamber, it is ensured that in reaction chamber waste gas with etc.
Gas ions reach optimal reaction ratio, while the pressure in reaction chamber can also be adjusted.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model sprays exhaust gas purification and treatment device first embodiment.
Fig. 2 is the structural representation that the utility model sprays exhaust gas purification and treatment device second embodiment.
Fig. 3 is the structural representation that the utility model sprays exhaust gas purification and treatment device 3rd embodiment.
Fig. 4 is plasma generator internal structure signal in the utility model spraying exhaust gas purification and treatment device embodiment
Figure.
Embodiment
The utility model is described in further details below by embodiment, embodiment is only used for illustrating that this practicality is new
Type, is not intended to limit scope of the present utility model.
Exhaust gas purification and treatment device, including the first blower fan, plasma generator 2, waste gas input dress are sprayed as shown in Fig. 1,4
Put, reaction chamber 3, oxidator 4, reductor 6, described one end of plasma generator 2 is connected with the first blower fan 1, plasma occurs
The other end of device 2 is connected with the one end of reaction chamber 3, and reaction chamber 3 is the circular cavity with certain volume, is maze-type structure, purpose
In order to allow the well mixed, fully of ion wind and waste gas, extend the reaction time；Exhaust gas entrance end tangentially enters along cavity, and it holds
Amount should be able to ensure that waste gas fully reacts with plasma, can be selected according to behaviour in service, and the side of reaction chamber 3 connects the second blower fan
7, the other end of reaction chamber 3 is connected with after-treatment device.
After-treatment device includes the oxidator 4 being connected with the other end of reaction chamber 3, the reductor being connected with oxidator 4
6, oxidator is conical cavity, is maze-type structure, from reaction chamber enter gas tangentially enter along cavity, purpose in order to allow from
Sub- wind and waste gas are further well mixed, fully, extend the reaction time, and reductor 6 is inner to send direction to set a few road filters along wind,
It can be activated carbon and fixed bed, using the positive flourishing gap structure of the inner surface of active carbon rich there is provided a carrier, promote
Unnecessary ozone catalytic reduction, after-treatment device can also be other devices to the further processing of gas.
Arranged in the cavity of plasma generator 2 some plasma generator quartz ampoules 11, plasma generator quartz ampoule
Wire netting 10 is installed in 11 inside, and wire netting 10 is connected with excitation power supply 5.When gas with 8-15m/s wind speed enters plasma
Plasma is produced during device.
Valve 12 is set between plasma generator 2 and reaction chamber 3, and the setting of valve 12 can adjust plasma gas and enter
Enter the amount of reaction chamber 3, it is ensured that waste gas reaches optimal reaction ratio with plasma in reaction chamber 3, while can also adjust anti-
The pressure of intracavitary is answered, the outlet of plasma generator 2 is connected with one end import of reaction chamber 3,
The quantity of plasma generator 2 at least one, the quantity of reaction chamber 3 at least one, after-treatment device quantity at least one,
All connecting pipe quantity at least one.
Fresh air enters low-temperature plasma generator 2 by first blower fan 1, produces high energy electron, ion, excitation state
Atom and free radical isoreactivity ion, these active ions are injected into rapidly reaction chamber 3（Alternatively referred to as excitation cavity）It is interior；Waste gas
Input unit is the second blower fan 7, and waste gas also enters in reaction chamber 3 by the second blower fan 7, and odor molecules are excited herein,
Its molecular chemistry key is broken, while producing a large amount of high intensity oxidation materials（Such as 03、OH-）, collided with odor molecules, oxygen
Change reaction, final odor molecules decompose or be oxidized into other harmless materials, CO2、H2O etc..For example：Macromolecular carbon
The terminal production thing of hydrogen compound is CO2、H2O, ammonia（NH3）Reactive terminal production thing is N2And water, the life of hydrogen sulfide terminating reaction
Product is SO42-, methyl mercaptan is similar with hydrogen sulfide, and HS structures are destroyed and lose stink, and the production thing of terminating reaction is SO42-。
In reaction chamber 3, most of gas gas with foreign flavor becomes nontoxic, colourless, tasteless after being excited herein by ion wind
Gas（CO2、H20）, the gas containing a small amount of odor molecules and Strong oxdiative material and secondary oxidant enter oxidator 4 after
Continuous reaction, then gas continues to be moved rearwardly into reductor 6, and a small amount of gas with foreign flavor is fully cleaned up in this reaction zone, and will
A small amount of residual ozone reduction is removed, ozone concentration≤0.2mg/m3（Measurement position is near exhaust port）, finally meet row
The gas for putting standard is discharged into air.
Exhaust gas purification and treatment device is sprayed as shown in Figure 2,4, and improvement is:Air delivery arrangement includes the first blower fan
1, and the clarifier 9 connected with the first blower fan 1, the first blower fan 1 is for the supplement fresh air of plasma generator 2, the mistake of clarifier 9
Filter the impurity such as moisture in air, fresh air enters after the first blower fan 1 after clarifier 9 filters, and pure air enters
Reaction chamber 3；Waste gas input unit includes the second blower fan 7 and processor 8, and waste gas enters after the second blower fan 7 enters processor 8
In reaction chamber 3；Enter from reaction chamber 3 in oxidator 4, then mixed gas enters reductor 6, very small amount gas with foreign flavor is anti-herein
Answer and be fully cleaned up in area, a small amount of residual ozone is reduced and removed, the gas for finally meeting discharge standard is discharged into air.
Processor 8 is filter cotton or screen pack, and clarifier 9 is filter cotton or screen pack.Filtration members are filter cotton or filtering
Other filter elements that can be played a role in filtering such as net.The impurity such as the particle in removing waste gas.
Exhaust gas purification and treatment device is sprayed as shown in Figure 3,4, and improvement is:Reaction chamber 3 is connected with reductor 6, the
Three blower fans 13 are placed in the outlet of reductor 6, by adjusting the valve on pipeline, and the first blower fan 1 air quantity, can make etc. from
Negative pressure state is kept in electronic generator, waste gas input unit is processor 8, and waste gas enters in reaction chamber 3 after processor 8.
Processor 8 is filter cotton or screen pack, and clarifier 9 is filter cotton or screen pack.Filtration members are filter cotton or filtering
Other filter elements that can be played a role in filtering such as net.The impurity such as the particle in removing waste gas.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New scope is defined, on the premise of the utility model design spirit is not departed from, and those of ordinary skill in the art are to this
Various modifications and improvement that the technical scheme of utility model is made, all should fall into the protection of the utility model claims determination
In the range of.
Claims (2)
1. one kind spraying exhaust gas purification and treatment device, it is characterised in that：Including air delivery arrangement, plasma generator, waste gas
Input unit, reaction chamber, after-treatment device, described plasma generator one end is connected with air delivery arrangement, plasma hair
The raw device other end is connected with reaction chamber one end, reaction chamber connection waste gas input unit, the reaction chamber other end and after-treatment device
It is connected, the after-treatment device includes the oxidator being connected with the reaction chamber other end and the reduction being connected with oxidator
Device, the air delivery arrangement includes the first blower fan and clarifier, and valve is set between the plasma generator and reaction chamber,
The plasma generator quantity at least one, reaction chamber quantity at least one, after-treatment device quantity at least one is described useless
Gas input unit includes the second blower fan and processor, and the after-treatment device outlet is connected with the 3rd blower fan.
2. spraying exhaust gas purification and treatment device according to claim 1, it is characterised in that：The plasma generator cavity
In arrange some plasma generator quartz ampoules, wire netting, wire netting and excitation electricity are installed inside plasma generator quartz ampoule
Source is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621231490.7U CN206566726U (en) | 2016-11-17 | 2016-11-17 | One kind spraying exhaust gas purification and treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621231490.7U CN206566726U (en) | 2016-11-17 | 2016-11-17 | One kind spraying exhaust gas purification and treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206566726U true CN206566726U (en) | 2017-10-20 |
Family
ID=60062530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621231490.7U Active CN206566726U (en) | 2016-11-17 | 2016-11-17 | One kind spraying exhaust gas purification and treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206566726U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108926975A (en) * | 2018-08-13 | 2018-12-04 | 眉山金豆智能科技有限公司 | A kind of microwave plasma exhaust gas purifying method |
| CN112619333A (en) * | 2020-10-22 | 2021-04-09 | 无锡英普朗科技有限公司 | Plasma exhaust-gas treatment equipment |
-
2016
- 2016-11-17 CN CN201621231490.7U patent/CN206566726U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108926975A (en) * | 2018-08-13 | 2018-12-04 | 眉山金豆智能科技有限公司 | A kind of microwave plasma exhaust gas purifying method |
| CN112619333A (en) * | 2020-10-22 | 2021-04-09 | 无锡英普朗科技有限公司 | Plasma exhaust-gas treatment equipment |
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