CN112823852A - Composite fume purifier - Google Patents
Composite fume purifier Download PDFInfo
- Publication number
- CN112823852A CN112823852A CN201911139172.6A CN201911139172A CN112823852A CN 112823852 A CN112823852 A CN 112823852A CN 201911139172 A CN201911139172 A CN 201911139172A CN 112823852 A CN112823852 A CN 112823852A
- Authority
- CN
- China
- Prior art keywords
- equipment box
- electric field
- plasma
- module
- catalytic oxidation
- 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.)
- Pending
Links
- 239000003517 fume Substances 0.000 title claims abstract description 21
- 239000002131 composite material Substances 0.000 title abstract description 7
- 230000005684 electric field Effects 0.000 claims abstract description 34
- 230000003197 catalytic effect Effects 0.000 claims abstract description 20
- 230000003647 oxidation Effects 0.000 claims abstract description 20
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 20
- 239000000779 smoke Substances 0.000 claims description 18
- 239000002245 particle Substances 0.000 claims description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- 230000005686 electrostatic field Effects 0.000 claims 3
- 239000006233 lamp black Substances 0.000 claims 3
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000000746 purification Methods 0.000 abstract description 10
- 239000003344 environmental pollutant Substances 0.000 abstract description 6
- 239000003063 flame retardant Substances 0.000 abstract description 6
- 231100000719 pollutant Toxicity 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 12
- 239000012855 volatile organic compound Substances 0.000 description 9
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- 238000005411 Van der Waals force Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 238000006552 photochemical reaction Methods 0.000 description 1
- 231100000817 safety factor Toxicity 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/32—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8678—Removing components of undefined structure
- B01D53/8687—Organic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention discloses a composite oil fume purifier device which comprises an air inlet cover, an air equalizing plate, an electric field equipment box body, an electrostatic electric field module, a plasma equipment box body, a plasma module, a catalytic oxidation plate, an exhaust cover, a fire retardant valve and a cabinet door. The novel structure has long service life, high purification efficiency and the like, and meets the requirements of 'emission standards of atmospheric pollutants for catering industry' (DB 11/1488-containing materials 2018) which are implemented from 1 month and 1 day of 2019.
Description
Technical Field
The invention relates to the technical field of oil smoke waste gas treatment, in particular to a composite oil smoke purifier device.
Background
In recent years, the catering industry in China is rapidly developed, so that the catering industry flourishes, on one hand, the dining choices of the masses of people are enriched, and on the other hand, various influences are brought to surrounding residents. Catering oil fume, industrial waste gas and motor-driven tail gas are regarded as three killers in cities. Among them, the oil smoke emission is one of the most disturbing influences. In contrast, the oil fume emission problem in the catering industry draws national attention.
In catering oil fume, the proportion of PM2.5 in Beijing atmosphere is about 13%, the proportion of PM in Jingjin Ji area is about 6%, more than 300 Volatile Organic Compounds (VOCs) can be detected, the components are complex, and some volatile organic compounds in the oil fume and nitrogen dioxide in the atmosphere undergo photochemical reaction to form complex and harmful photochemical smog. Meanwhile, the cooking fume contains strong carcinogens and can cause direct threat to the health of human bodies.
Based on the environmental problems, emission standards of atmospheric pollutants in catering industry are promulgated by Beijing city in 2018, the highest allowable emission concentration of oil smoke is reduced, and detection items of particulate matters and non-methane total hydrocarbons are increased.
The oil fume purification equipment adopted in the current market is developed aiming at the oil fume emission standard of catering industry (GB 18483-2001), and has the following defects: (1) at present, the oil fume purification equipment in the market has low awareness of later cleaning, viscous oil drops are formed for a long time, and potential safety hazards exist when the temperature is kept high continuously; (2) the smoke purification equipment on the market at present is quite difficult to clean and maintain in the later period and cannot be cleaned cleanly; (3) the purification efficiency of the oil fume purification equipment on the current market on VOCs (including non-methane total hydrocarbons and particulate matters) is not high, and the market demand cannot be met; (4) after the oil fume purification equipment in the current market is used for processing, the oil fume taste can still be diffused in the air; (5) the oil fume purification equipment in the current market has no safety consideration of a fire retardant device, and can not prevent the fire from spreading; (6) an effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide a composite oil fume purifier device to overcome the defects in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention discloses a composite oil smoke purifier device which comprises an air inlet cover, an air equalizing plate, an electric field equipment box body, an electrostatic electric field module, a plasma equipment box body, a plasma module, a catalytic oxidation plate and an exhaust cover, wherein the air inlet cover is positioned on the left side of the electric field equipment box body, the exhaust cover is positioned on the right side of the plasma equipment box body, the air equalizing plate is positioned on the left side of the electric field equipment box body and is connected with the air inlet cover, the electrostatic electric field module is arranged in the electric field equipment box body, the plasma module and the catalytic oxidation plate are arranged and combined in the plasma equipment box body, and the electrostatic electric field module, the plasma module and the catalytic oxidation plate form a building block type arrangement combination.
Furthermore, a fire retardant valve is arranged between the air inlet cover and the connecting pipeline.
Further, a cabinet door is arranged on the side face of the equipment box body.
Furthermore, the catalytic oxidation plate is made of a noble metal material, and titanium dioxide is attached to the surface of the catalytic oxidation plate.
Furthermore, the bottom end of the equipment box body is provided with supporting legs.
(III) advantageous effects
Compared with the prior art, the technical scheme of the invention has the following advantages: the safety can be effectively improved by adding the fire-retardant valve, the air-equalizing plate is additionally arranged, large-particle oil smoke substances are blocked, the pollution to an oil smoke treatment box body is reduced, the service life of a subsequent treatment process is prolonged, the oil smoke can be timely cleaned, the generation of oil polymers is reduced, VOCs (volatile organic compounds) can be adsorbed by adopting the catalytic oxidation plate, particularly non-methane total hydrocarbons, particles and taste can be adsorbed, and the requirements of 'emission standards of gas pollutants in catering industry' (DB 11/1488) beginning to be implemented in 2019 (wherein the emission value of non-methane is 2020). The invention has modular structure, high purification efficiency and long service life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic diagram of an internal structure of a combined type soot cleaner device according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of an external structure of a combined type oil fume purifier device according to an embodiment of the present invention.
1. Detailed description of the preferred embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
As shown in fig. 1, the composite oil fume purifier device according to the embodiment of the present invention comprises an electric field equipment box (4), the left side of the electric field equipment box (4) is connected with the air inlet cover (1) through the air equalizing plate (2), the right end of the electric field equipment box (4) is connected with a plasma equipment box (5), the right end of the plasma equipment box (5) is provided with an exhaust hood (8), a plurality of electrostatic electric field modules (3) are vertically arranged in the electric field equipment box (4), a charge trapezoidal groove of each electrostatic electric field module (3) is vertically arranged in the air inlet direction, a plurality of plasma modules (6) and catalytic oxidation plates (7) are arranged in the plasma equipment box (5), a plurality of layers of plasma modules (6) are arranged on the right side in the plasma equipment box (5), and a catalytic oxidation plate (7) is arranged on the left side, .
In a specific embodiment, a fire retardant valve (9) is arranged between the air inlet hood (1) and the connecting pipeline.
In a specific embodiment, the fire relief valve (9) can effectively control dangers and improve safety factors.
In a specific embodiment, a plurality of plasma modules (6) and catalytic oxidation plates (7) are arranged in a plasma equipment box body (5), each catalytic oxidation plate (7) is made of a noble metal material, and titanium dioxide is attached to the surface of each catalytic oxidation plate.
In a specific embodiment, cabinet doors (10) are arranged on the side surfaces of the electric field equipment box body (4) and the plasma equipment box body (5).
In a specific embodiment, the bottom end of the pre-electric field equipment box body (4) and the bottom end of the plasma equipment box body (5) are respectively provided with a supporting leg.
In order to facilitate understanding of the above-described technical aspects of the present invention, the above-described technical aspects of the present invention will be described in detail below in terms of specific usage.
When the combined type oil smoke purifier device is used specifically, the air equalizing plate (2) is arranged between the air inlet cover (1) and the electric field equipment box body (4), the air equalizing plate (2) is formed by arraying a plurality of through holes with consistent hole patterns on a plate body, large-particle oil smoke substances capable of equalizing air and filtering enter the electric field equipment box body (4), oil smoke waste gas enters the electric field equipment box body (4) from the air inlet cover (1) through the air equalizing plate (2), a plurality of electrostatic electric field modules (3) are arranged in the electric field equipment box body (4), high-voltage tooth sheets are adopted, ionization is uniform, galvanic corrosion is low, the high-voltage tooth sheets are vertically arranged along the air inlet direction, and the charged oil smoke and particles move to opposite electrodes and are attached to polar plates through double effects of electric field force and van der waals force, so that the purpose of purifying the oil smoke and particles is achieved.
Get into plasma equipment box (5) after static electric field module (3) removes the large granule oil smoke, be equipped with plasma module (6) and catalytic oxidation board (7) in plasma equipment box (5), oil smoke waste gas decomposes through low temperature plasma, and when electron average energy surpassed pollutant molecule chemical bond binding energy, the molecular bond fracture, pollutant decomposition reaches the purpose of getting rid of VOCs. After plasma purification, the oil fume waste gas passes through the catalytic oxidation plate (7), and the catalyst selectively reacts with intermediate byproducts generated by the plasma to obtain degradation substances such as CO2 and H2O, so that the synergistic effect of the low-temperature plasma and the catalyst has a better removal effect than that of a single catalyst or plasma, and the generation of the byproducts is more effectively reduced. The removal rate of VOCs is improved, and the reaction energy consumption is further reduced.
In conclusion, by means of the technical scheme, the fire retardant valve is additionally arranged, safety can be effectively improved, the air equalizing plate is additionally arranged, a vertical barrier for processing air equalizing and filtering large-particle oil smoke substances is formed, pollution to the electric field equipment box body and the plasma equipment box body is reduced, the service life of a subsequent treatment process is prolonged, timely cleaning can be realized, and generation of oil polymers is reduced, VOCs can be adsorbed by the catalytic oxidation plate, particularly non-methane total hydrocarbons, particles and taste can be adsorbed, and the requirements of emission standards of atmospheric pollutants in catering industry (DB 11/1488 + 2018) which are implemented in 2019 (wherein the emission value of non-methane is 2020 year) are met.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a compound oil smoke clarifier device, its characterized in that is by air inlet cover (1), air-equalizing plate (2), electric field equipment box (4), electrostatic field module (3), plasma equipment box (5), plasma module (6), catalytic oxidation board (7), exhaust hood (8), back-fire relief valve (9), cabinet door (10), air inlet cover (1) is located electric field equipment box (4) left side, exhaust hood (8) are located plasma equipment box (5) right side, air-equalizing plate (2) are located left side in electric field equipment box (4), with air inlet cover (1) junction, be equipped with electrostatic field module (3) in electric field equipment box (4), plasma module (6) with catalytic oxidation board (7) combination range is located in plasma equipment box (5), electrostatic field module (3), The plasma module (6) and the catalytic oxidation plate (7) form a building block type arrangement combination.
2. The combined type oil fume purifier device according to claim 1, characterized in that an air equalizing plate (2) is arranged between the electric field equipment box body (4) and the air inlet cover (1) for equalizing air and filtering large particle oil fume substances.
3. The combined type lampblack purifier device as claimed in claim 1, wherein the electric field equipment box body (4) is formed by stacking and combining a plurality of the electrostatic electric field modules (3), a charge trapezoidal groove is adopted, multi-point discharge is realized, an electric field is formed, and the electron quantity can reach 10 ev.
4. The combined type lampblack purifier device as claimed in claim 1, characterized in that the plasma equipment box (5) is formed by a plurality of plasma modules (6) and catalytic oxidation plates (7) which are combined and arranged.
5. The combined type lampblack purifier device according to claim 1, characterized in that the electric field equipment box (4) and the plasma equipment box (5) are provided with cabinet doors (10) at the sides.
6. A catalytic oxidation plate (7) according to claim 1, characterised in that the inner titanium dioxide layer is honeycomb-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911139172.6A CN112823852A (en) | 2019-11-20 | 2019-11-20 | Composite fume purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911139172.6A CN112823852A (en) | 2019-11-20 | 2019-11-20 | Composite fume purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112823852A true CN112823852A (en) | 2021-05-21 |
Family
ID=75906790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911139172.6A Pending CN112823852A (en) | 2019-11-20 | 2019-11-20 | Composite fume purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112823852A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103285703A (en) * | 2013-06-20 | 2013-09-11 | 任敏 | High-voltage electrostatic plasma oil smoke purifier for continuous woven belt dyeing machine |
| CN203525866U (en) * | 2013-09-29 | 2014-04-09 | 北京明泰来环保科技有限公司 | High-efficiency fume purification equipment |
| CN207153424U (en) * | 2017-08-09 | 2018-03-30 | 北京明泰来环保科技有限公司 | A kind of low-temperature plasma purifying device |
| CN207680372U (en) * | 2017-12-04 | 2018-08-03 | 北京世纪星光环保科技有限公司 | A kind of composite oil smoke gas purifying equipment |
| CN108413458A (en) * | 2018-04-28 | 2018-08-17 | 北京明泰来环保科技有限公司 | A kind of cooking fume control equipment |
| CN207970699U (en) * | 2017-12-29 | 2018-10-16 | 中山市巨川环保设备有限公司 | A kind of combined type exhaust gas purification device |
| CN108939871A (en) * | 2018-08-01 | 2018-12-07 | 南京精智新信息科技有限公司 | Combination type oil smoke waste gas cleaning system |
-
2019
- 2019-11-20 CN CN201911139172.6A patent/CN112823852A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103285703A (en) * | 2013-06-20 | 2013-09-11 | 任敏 | High-voltage electrostatic plasma oil smoke purifier for continuous woven belt dyeing machine |
| CN203525866U (en) * | 2013-09-29 | 2014-04-09 | 北京明泰来环保科技有限公司 | High-efficiency fume purification equipment |
| CN207153424U (en) * | 2017-08-09 | 2018-03-30 | 北京明泰来环保科技有限公司 | A kind of low-temperature plasma purifying device |
| CN207680372U (en) * | 2017-12-04 | 2018-08-03 | 北京世纪星光环保科技有限公司 | A kind of composite oil smoke gas purifying equipment |
| CN207970699U (en) * | 2017-12-29 | 2018-10-16 | 中山市巨川环保设备有限公司 | A kind of combined type exhaust gas purification device |
| CN108413458A (en) * | 2018-04-28 | 2018-08-17 | 北京明泰来环保科技有限公司 | A kind of cooking fume control equipment |
| CN108939871A (en) * | 2018-08-01 | 2018-12-07 | 南京精智新信息科技有限公司 | Combination type oil smoke waste gas cleaning system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103566753B (en) | Cooking oil fume integrated treatment system and method | |
| CN203744346U (en) | Compound oil smoke purifier with coupling function | |
| CN202289842U (en) | Plasma discharge-catalyzed air purifying device | |
| CN107115790A (en) | A kind of VOCs emission-control equipments | |
| CN201628325U (en) | Air purifier | |
| CN207462987U (en) | A kind of VOCs emission-control equipments | |
| CN203577636U (en) | Catering cooking fume integrated treatment system | |
| CN105066271A (en) | Multi-ion-field indoor air purifier | |
| CN107869750A (en) | A kind of oil smoke stage purifying device and its application process | |
| CN203002160U (en) | Plasma asphalt gas purification device | |
| CN203657096U (en) | Air purifier | |
| CN205014501U (en) | Multiple ion field room air purifier | |
| CN107606672B (en) | System equipment for purifying kitchen oil fume by electrostatic coupling internal circulation combustion method | |
| CN101829465B (en) | Welding waste gas treatment device | |
| CN202823124U (en) | Photolysis-static mixed type oil fume purifying device | |
| CN112823852A (en) | Composite fume purifier | |
| CN205461666U (en) | Waste gas purification system | |
| CN201711063U (en) | Welding waste-gas processing device | |
| CN204063192U (en) | Rare earth catalyst low temperature plasma cooker hood | |
| CN216203647U (en) | Novel high-efficient cooking oil smoke gets rid of system | |
| CN205627387U (en) | Modular organic waste gas purifying ware | |
| CN205627482U (en) | Dedicated combination formula tail gas purification treatment device of thermal power plant | |
| CN201463031U (en) | High-energy photodecomposition catering oil smoke purifying machine | |
| CN211133288U (en) | Waste gas treatment device for waste gas incineration tower | |
| CN212017185U (en) | Industrial waste gas treatment detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210521 |
|
| WD01 | Invention patent application deemed withdrawn after publication |