CN107029533A - A kind of multifunctional purifying removes the method and device of oil flue waste gas - Google Patents
A kind of multifunctional purifying removes the method and device of oil flue waste gas Download PDFInfo
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- CN107029533A CN107029533A CN201710388469.0A CN201710388469A CN107029533A CN 107029533 A CN107029533 A CN 107029533A CN 201710388469 A CN201710388469 A CN 201710388469A CN 107029533 A CN107029533 A CN 107029533A
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- 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
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- 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
- B01D53/46—Removing components of defined structure
- B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0275—Other waste gases from food processing plants or kitchens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/818—Employing electrical discharges or the generation of a plasma
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
A kind of multifunctional purifying removes the method and device of oil flue waste gas, belongs to technical field of waste gas treatment, and apparatus of the present invention include electrostatic precipitation room, plasma for purification room and the part of vent gas treatment three composition.Can be CO by oil flue waste gas oxidation Decomposition through electrostatic precipitation, plasma cleaning and three processes of tail gas absorption for the purpose of fume purifying2And H2O, realizes fume purifying, apparatus of the present invention can multigroup plasma purifying unit it is in parallel, active material yield in increase reacting field, and then increase exhaust-gas treatment amount and fume purifying efficiency.The present apparatus is simple in construction, provided with vent gas treatment, adsorbable unnecessary O3, secondary pollution will not be caused to environment, meet the demand of national environmental protection.Present invention can apply to fume purifying, other organic waste-gas purifications can be also promoted the use of.
Description
Technical field
The invention belongs to technical field of waste gas treatment, specially a kind of oil flue waste gas processing method and processing device.
Technical background
With the improvement of living standards, people require quality of life more and more higher, and the oil flue waste gas in kitchen is into tired
Disturb everybody problem.According to cooking fume discharge standard（GB18483-2001）Regulation, catering trade unit must be installed
Cooking fume control equipment.And also occur in that substantial amounts of cooking fume control equipment in recent years, have simply it is simple oil smoke is discharged into air,
Produce noise big, and by severe contamination atmospheric environment.
For these problems, people develop some new cooking fume control equipments, such as Chinese patent（Apply for notification number
For：CN105240893A, Application No. 201510783854.6）Disclose a kind of Novel kitchen fume purifier of fume, its leading portion
Primary oil, stage casing are removed using two grades of oil removings of electrostatic method using filtration method and eliminated the unusual smell, back segment uses micropore open celled foam aluminium sheet
To remove noise, it is set to go to eliminate the unusual smell and noise while removing fume eliminating.But have the following disadvantages：（1）The fume purifier of fume
Oil smoke is collected only with physical method, can not realize that oil smoke is degraded, the high concentration oil smoke of collection is not disposable, it is easily right
Environment causes secondary pollution, does not meet the demand of national environmental protection（2）The apparatus structure is complicated, and functions of the equipments are single, application
Field is narrow.And the equipment of Low Temperature Plasma Treating oil flue waste gas is to utilize the breakdown height for exciting generation of gas during electrion
Energy electronics reaches the purpose of oxidation removal oil smoke to complete a series of redox reactions.Its is simple in construction, easy to operate, energy
Oil flue waste gas is effectively removed, and does not produce noise.
The content of the invention
The purpose of the present invention is：For the deficiency of existing oil fume purifier, propose that a kind of purified treatment oil smoke gives up
Gas method and device, have the advantages that apparatus structure it is simple, easy to operate, it is effective removal oil flue waste gas.
The principle that the present invention is used is：Oil flue waste gas, through electrostatic precipitation room, makes cigarette under blower fan drive using high voltage electric field
Gas is ionized, and is separated so that the bulky grain solid in air-flow is charged under electric field action with air-flow.In electrostatic adsorption
Under, remove bulky grain solid in oil flue waste gas；In plasma for purification room, air is made in corona-dielectric barrier discharge collaboration
With with the oil flue waste gas molecules strike after dedusting oxidation, generation occur for active particle of the generation with high interior energy and kinetic energy
H2O and CO2, reach removal purpose.This method uses more advanced, environmentally friendly plasma technique compared with prior art,
Air is punctured using high voltage field, electric discharge produces high energy active particle, cooperates with electric discharge to improve height with dielectric impedance by corona
Can particle yield and its energy, reduction processing time, raising treatment effect.And prior art is simply to use filtering technique
To handle oil flue waste gas.
The technical scheme of patent purpose of the present invention is：A kind of multifunctional purifying removes the method and device of oil flue waste gas, bag
Include electrostatic precipitation room, plasma for purification room and the part of vent gas treatment 3 composition.The electrostatic precipitation room by negative electrode, anode with
And pole plate is constituted.The plasma for purification room is made up of corona-dielectric impedance Low-Temperature Plasma Discharge, can it is multiple simultaneously
Connection；The corona-dielectric barrier discharge pipe include band needle point adjustable positive pole stainless steel bar, cathode device, cathode carrier, anode frame,
High-tension insulator is constituted；The needle point is corner is star-like, hexagonal is star-like, anise is star-like and needle-like type；The cathode device bag
Dielectric impedance and stainless steel wire are included, circular row is around positive pole stainless steel bar；The block media is quartz, ceramics, polytetrafluoroethyl-ne
Alkene.The vent gas treatment is saturation KI solution.Tail end is provided with blower fan.The present apparatus can with one group or it is multigroup parallel or series connection make
With increase purification efficiency and treating capacity.
A kind of multifunctional purifying removes the method and device of oil flue waste gas, through electrostatic precipitation, plasma cleaning and tail gas
Absorb three processes and realize that purification of waste gas is handled.Methods described is comprised the following steps that：
（1）Simulate the configuration of oil flue waste gas
The（1）Step, the present invention simulates oil flue waste gas with acetone gas, and acetone gas preparation is carried out using ice bath Bubbling method.Tool
Body operating process is：Gas controls dry air by ice bath bubbling device by mass flowmenter all the way, takes finite concentration out of
Acetone steam, with another road mass flow air（0.7~5L/min）Control, certain flow is made after hybrid bottle is uniformly mixed
（10m~30mL/min）Acetone gas.
（2）Electrostatic precipitation
Complete the（1）After step, after the switch 30s for opening electrostatic precipitation clean room and plasma for purification room, opening blower fan will
The（1）Step gained oil smoke is pumped into electrostatic precipitation room, and pole plate spacing is 20cm, and voltage is 220 V, goes bulky grain solid in fume eliminating
Material.
（3）Plasma for purification
Complete the（2）After step, the oil smoke after dedusting passes through plasma for purification room.Plasma for purification room by 4 ~ 6 coronas-
Dielectric impedance Low-Temperature Plasma Discharge is in parallel, and the optional corner of needle point of corona-dielectric barrier discharge pipe is star-like, Magen David
Type, anistree star-like and needle-like type, the optional quartz of block media, ceramics, polytetrafluoroethylmaterial material.In 6 ~ 12 kV electric discharge electricity
Pressure purification acetone 3min, acetone concentration is determined after question response is stable.
（4）Vent gas treatment
Complete the（3）After step, oil smoke is by the O in plasma for purification area3Oxidation Decomposition is CO2And H2O, is passed through pure air
Inside reactor unit is purged, is introduced gas into the tail gas absorption bottle equipped with supersaturation KI solution, detection ozone concentration is up to standard
Afterwards, blower fan is closed.
Beneficial effects of the present invention are:
（1）Apparatus of the present invention are provided with electrostatic precipitation room, plasma for purification room and vent gas treatment.Waste gas first passes through electrostatic precipitation
Room, can effectively remove the particulate matter in oil flue waste gas, then the processing through corona-medium barrier plasma, improve high energy
Particle yield and its energy, can be CO by oil flue waste gas oxidation Decomposition2And H2O, realizes fume purifying, and processing time is short, removes
Effect is good.
（2）Apparatus of the present invention can multigroup plasma purifying unit parallel connection, increase corona-dielectric impedance low temperature plasma
The generation of active material in discharge tube, to reduce clarification time, increase exhaust-gas treatment amount and fume purifying efficiency.
（3）Apparatus of the present invention are provided with vent gas treatment, adsorbable unnecessary O3, secondary pollution will not be caused to environment, met
The policy of national environmental protection；The present apparatus is simple in construction, and operating cost is low, high treating effect.
Brief description of the drawings
Fig. 1 is basic structure schematic diagram of the invention.Wherein, 1 is Electrostatic Absorption room, and 2 be plasma for purification room, and 3 are
Blower fan, 4 be device for absorbing tail gas, and 5 be electrostatic precipitator, and 6 be corona-dielectric impedance Low-Temperature Plasma Discharge.
Fig. 2 is electrostatic precipitator top view.Wherein, 7 be contact tube, and 8 be pole plate, and 9 be shell
Fig. 3 is corona-dielectric impedance Low-Temperature Plasma Discharge structural representation in plasma for purification room of the present invention.Its
In, 10 be plastic support, and 11 be positive pole, and 12 be negative pole, and 13 be block media, and 14 be octagonal star piece.
Fig. 4 is corona-dielectric impedance Low-Temperature Plasma Discharge suggestion position sectional view.（a）For 4 discharge tubes
Parallel connection,（b）For 5 discharge tube parallel connections,（c）For 6 discharge tube parallel connections.Wherein, 15 be housing, and 6 be corona-dielectric impedance low temperature
Plasma discharge tube.
Embodiment
Embodiment 1
For a better understanding of the present invention, technical scheme is described in detail below in conjunction with the accompanying drawings, but the present invention is also
It can apply in other respects.
A kind of multifunctional purifying removes the method and apparatus of oil flue waste gas, including electrostatic precipitation room 1, plasma for purification room
2 and the part of exhaust gas processing device 43 composition.The electrostatic precipitation room 1 is made up of negative electrode, anode and pole plate 8.The grade from
Daughter clean room 2 is made up of 5 coronas-parallel connection of dielectric impedance Low-Temperature Plasma Discharge 5.Corona-the dielectric impedance is put
Fulgurite 5 includes the adjustable positive pole stainless steel bar 11 of band needle point, cathode device 12, cathode carrier, anode frame, high-tension insulator and constituted；Institute
State band needle point 14 star-like for anise；The cathode device 12 include dielectric impedance 12 and stainless steel wire, can circular row it is stainless in positive pole
Around rod iron；The block media 13 is quartz.The vent gas treatment is saturation KI solution.Tail end is provided with blower fan.The present apparatus can
It is with one group or multigroup parallel or be used in series, increase purification efficiency and treating capacity.
A kind of multifunctional purifying removes the method and device of oil flue waste gas, through electrostatic precipitation, plasma cleaning and tail gas
Absorb three processes and realize that purification of waste gas is handled.Methods described is comprised the following steps that：
（1）Simulate the configuration of oil flue waste gas
The（1）Step, the present invention simulates oil flue waste gas with acetone gas, and acetone gas preparation is carried out using ice bath Bubbling method.Tool
Body operating process is：Gas controls dry air by ice bath bubbling device by mass flowmenter all the way, takes finite concentration out of
Acetone steam, with another road mass flow air（1.5L/min）Control, certain flow is made after hybrid bottle is uniformly mixed
（10mL/min）Acetone gas.
（2）Electrostatic precipitation
Complete the（1）After step, after the switch 30s for opening electrostatic precipitation clean room and plasma for purification room, opening blower fan will
The（1）Step gained oil smoke is pumped into electrostatic precipitation room, and pole plate spacing is 20cm, voltage is 220 V, goes bulky grain in fume eliminating to consolidate
Body material.
（3）Plasma for purification
Complete the（2）After step, the oil smoke after dedusting passes through plasma for purification room.Plasma for purification room is by 5 corona-Jie
Matter stops that Low-Temperature Plasma Discharge is in parallel, and the needle point of corona-dielectric barrier discharge pipe is anistree star-like, and block media is stone
Ying Guan.Acetone 3min is purified under 8 kV discharge voltage, acetone concentration is determined after question response is stable.
（4）Vent gas treatment
Complete the（3）After step, oil smoke is by the O in plasma for purification area3Oxidation Decomposition is CO2And H2O, is passed through pure air
Inside reactor unit is purged, is introduced gas into the tail gas absorption bottle equipped with supersaturation KI solution, detection ozone concentration is up to standard
Afterwards, blower fan is closed.The device is to the degradation rate of acetone up to 32.06%.
Embodiment 2
A kind of method and device of multifunctional purifying removal oil flue waste gas, be the same as Example 1, wherein：
（1）Simulate the configuration of oil flue waste gas
The（1）Step, the present invention simulates oil flue waste gas with acetone gas, and acetone gas preparation is carried out using ice bath Bubbling method.Tool
Body operating process is：Gas controls dry air by ice bath bubbling device by mass flowmenter all the way, takes finite concentration out of
Acetone steam, with another road mass flow air（1L/min）Control, certain flow is made after hybrid bottle is uniformly mixed（20mL/
min）Acetone gas.
（2）Electrostatic precipitation
Complete the（1）After step, after the switch 30s for opening electrostatic precipitation clean room and plasma for purification room, opening blower fan will
The（1）Step gained oil smoke is pumped into electrostatic precipitation room, and v voltages are 220 V, remove bulky grain solid material in fume eliminating.
（3）Plasma for purification
Complete the（2）After step, the oil smoke after dedusting passes through plasma for purification room.Plasma for purification room is by 5 corona-Jie
Matter stops that Low-Temperature Plasma Discharge is in parallel, and the needle point of corona-dielectric barrier discharge pipe is anistree star-like, and block media is stone
Ying Guan.Acetone 3min is purified under 12 kV discharge voltage, acetone concentration is determined after question response is stable.
（4）Vent gas treatment
Complete the（3）After step, oil smoke is by the O in plasma for purification area3Oxidation Decomposition is CO2And H2O, is passed through pure air
Inside reactor unit is purged, is introduced gas into the tail gas absorption bottle equipped with supersaturation KI solution, detection ozone concentration is up to standard
Afterwards, blower fan is closed.The device is to the degradation rate of acetone up to 27.24%.
Embodiment 3
A kind of method and apparatus of multifunctional purifying removal oil flue waste gas, be the same as Example 1, wherein：
（1）Simulate the configuration of oil flue waste gas
The（1）Step, the present invention simulates oil flue waste gas with acetone gas, and acetone gas preparation is carried out using ice bath Bubbling method.Tool
Body operating process is：Gas controls dry air by ice bath bubbling device by mass flowmenter all the way, takes finite concentration out of
Acetone steam, with another road mass flow air（1L/min）Control, certain flow is made after hybrid bottle is uniformly mixed（20mL/
min）Acetone gas.
（2）Electrostatic precipitation
Complete the（1）After step, after the switch 30s for opening electrostatic precipitation clean room and plasma for purification room, opening blower fan will
The（1）Step gained oil smoke is pumped into electrostatic precipitation room, and pole plate spacing is 25cm, and voltage is 220 V, goes bulky grain solid in fume eliminating
Material.
（3）Plasma for purification
Complete the（2）After step, the oil smoke after dedusting passes through plasma for purification room.Plasma for purification room is by 5 corona-Jie
Matter stops that Low-Temperature Plasma Discharge is in parallel, and the needle point of corona-dielectric barrier discharge pipe is anistree star-like, and block media is stone
Ying Guan.Acetone 3min is purified under 8 kV discharge voltage, acetone concentration is determined after question response is stable.
（4）Vent gas treatment
Complete the（3）After step, oil smoke is by the O in plasma for purification area3Oxidation Decomposition is CO2And H2O, is passed through pure air
Inside reactor unit is purged, is introduced gas into the tail gas absorption bottle equipped with supersaturation KI solution, detection ozone concentration is up to standard
Afterwards, blower fan is closed.The device is to the degradation rate of acetone up to 22.47%.
Experimental result
1st, when discharge voltage is 8kV, and simulation cooking fume acetone gas flow is 10mL/min, different air mass flows drop to acetone
The influence of solution rate
Influence of the different air mass flows of table 1 to simulation smoke gas purification rate
| Air mass flow L/min | 0.7 | 1 | 1.5 | 2 | 3 |
| Degradation rate % | 20.97 | 25.42 | 32.06 | 24.83 | 15.42 |
2nd, when simulation cooking fume acetone gas flow be 10mL/min, air mass flow be 1L/min when, different discharge voltages are to third
The influence of ketone degradation rate
Influence of the different discharge voltages of table 2 to simulation smoke gas purification rate
| Discharge voltage kV | 6 | 7 | 8 | 10 | 12 |
| Degradation rate % | 7.04 | 11.84 | 17.64 | 23.09 | 27.24 |
3rd, when discharge voltage is 8kV, and air mass flow is 1L/min, influence of the different simulation oil flue gas flows to Acetone decomposition rate
Table 3 is with acetone gas flow to the influence to simulating smoke gas purification rate
| Acetone gas flow mL/min | 10 | 15 | 20 | 25 | 30 |
| Degradation rate % | 16.79 | 18.09 | 22.47 | 18.31 | 15.59 |
It was found from above-mentioned experiment, apparatus of the present invention simulate oil smoke with acetone, and 8 ~ 12kV of discharge voltage produces a large amount of ozone isoreactivities
Particle, each leads into air mass flow after 0.7 ~ 5L/min, to control acetone gas 10 ~ 30mL/min of flow, make acetone reacting field
Middle oxidation Decomposition is CO2And H2After O, reaction 3min, Acetone decomposition rate is 15.42 ~ 32.06%, and clean-up effect is obvious.
Claims (3)
1. a kind of multifunctional purifying removes the method and device of oil flue waste gas, it is characterised in that methods described concrete operation step is such as
Under：
（1）Simulate the configuration of oil flue waste gas
The（1）Step, the present invention simulates oil flue waste gas with acetone gas, and acetone gas preparation is carried out using ice bath Bubbling method；Tool
Body operating process is：Gas controls dry air by ice bath bubbling device by mass flowmenter all the way, takes finite concentration out of
Acetone steam, with another road mass flow air（1.5L/min）Control, certain flow is made after hybrid bottle is uniformly mixed
（10mL/min）Acetone gas；
（2）Electrostatic precipitation
Complete the（1）After step, after the switch 30s for opening electrostatic precipitation clean room and plasma for purification room, opening blower fan will
The（1）Step gained oil smoke is pumped into electrostatic precipitation room, and pole plate spacing is 20cm, and voltage is 220 V, goes bulky grain solid in fume eliminating
Material；
（3）Plasma for purification
Complete the（2）After step, the oil smoke after dedusting passes through plasma for purification room；Plasma for purification room is by 5 corona-Jie
Matter stops that Low-Temperature Plasma Discharge is in parallel, and the needle point of corona-dielectric barrier discharge pipe is anistree star-like, and block media is stone
Ying Guan；Acetone 3min is purified under 8 kV discharge voltage, acetone concentration is determined after question response is stable；
（4）Vent gas treatment
Complete the（3）After step, oil smoke is by the O in plasma for purification area3Oxidation Decomposition is CO2And H2O, is passed through pure air
Inside reactor unit is purged, is introduced gas into the tail gas absorption bottle equipped with supersaturation KI solution, detection ozone concentration is up to standard
Afterwards, blower fan is closed；The device is to the degradation rate of acetone up to 32.06%.
2. a kind of multifunctional purifying according to claim 1 removes the method and device of oil flue waste gas, it is characterised in that institute
State method concrete operation step as follows：
The（1）In step, mass flow air flow is 1L/min, and the acetone gas flow being made after mixing is 20mL/min；
The（3）In step, acetone 3min is purified under 12 kV discharge voltage, acetone concentration is determined after question response is stable；
The（4）In step, the device is to the degradation rate of acetone up to 27.24%.
3. a kind of multifunctional purifying according to claim 1 removes the method and device of oil flue waste gas, it is characterised in that institute
State method concrete operation step as follows：
The（1）In step, mass flow air flow is 1L/min, and the acetone gas flow being made after mixing is 20mL/min；
The（4）In step, the device is to the degradation rate of acetone up to 22.47%.
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| CN201710388469.0A CN107029533A (en) | 2017-05-27 | 2017-05-27 | A kind of multifunctional purifying removes the method and device of oil flue waste gas |
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|---|---|---|---|
| CN201710388469.0A CN107029533A (en) | 2017-05-27 | 2017-05-27 | A kind of multifunctional purifying removes the method and device of oil flue waste gas |
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| CN108283870A (en) * | 2018-01-05 | 2018-07-17 | 安徽理工大学 | A kind of plasma exhaust gas Integrated Processing Unit |
| CN111437995A (en) * | 2020-03-26 | 2020-07-24 | 辽宁国泰众欣环保科技有限公司 | Electrostatic combined type intelligent cleaning type waste gas purification device |
| CN113237106A (en) * | 2021-04-25 | 2021-08-10 | 广西大学 | Multi-phase separation and purification device for supercharged catering oil smoke |
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| CN111437995A (en) * | 2020-03-26 | 2020-07-24 | 辽宁国泰众欣环保科技有限公司 | Electrostatic combined type intelligent cleaning type waste gas purification device |
| CN113237106A (en) * | 2021-04-25 | 2021-08-10 | 广西大学 | Multi-phase separation and purification device for supercharged catering oil smoke |
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Application publication date: 20170811 |