CN106678912A - Zero-emission lampblack electrostatic coupling catalytic oxidation purification device and method - Google Patents

Zero-emission lampblack electrostatic coupling catalytic oxidation purification device and method Download PDF

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Publication number
CN106678912A
CN106678912A CN201611178312.7A CN201611178312A CN106678912A CN 106678912 A CN106678912 A CN 106678912A CN 201611178312 A CN201611178312 A CN 201611178312A CN 106678912 A CN106678912 A CN 106678912A
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CN
China
Prior art keywords
lampblack
flue gas
zero
electrostatic
electrostatic coupling
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
Application number
CN201611178312.7A
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Chinese (zh)
Inventor
张军
徐成威
谢文霞
杨建刚
丁启忠
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Southeast University
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Southeast University
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Filing date
Publication date
Application filed by Southeast University filed Critical Southeast University
Priority to CN201611178312.7A priority Critical patent/CN106678912A/en
Publication of CN106678912A publication Critical patent/CN106678912A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes
    • F24C15/2035Arrangement or mounting of filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/002Separation 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 condensation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes
    • F24C15/2042Devices for removing cooking fumes structurally associated with a cooking range e.g. downdraft
    • F24C15/205Devices for removing cooking fumes structurally associated with a cooking range e.g. downdraft with means for oxidation of cooking fumes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes
    • F24C15/2057Removing cooking fumes using a cleaning liquid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0283Flue gases
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y02A50/2351Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

The invention discloses a zero-emission lampblack electrostatic coupling catalytic oxidation purification device and method. The zero-emission lampblack electrostatic coupling catalytic oxidation purification device comprises a shell, wherein a heat pipe heat exchanger is arranged in the shell; temperature of lampblack is increased after the lampblack passes through a condensation section; part of particulate matters in the lampblack are converted from a particle phase into a gas phase; the quantity and the particle size of the particulate matters in the lampblack are preliminarily reduced; furthermore, the particulate matters with the diameter greater than 0.3 [mu]m are blocked by a filter screen of a preliminary filter device; then the lampblack passes through an electrostatic spraying area, and particles with the diameter between 0.01 [mu]m and 0.3 [mu]m are adsorbed and coagulated by charged fog drops and are discharged from a wastewater collection region below the spraying area under the action of the gravity; a catalyst layer is arranged behind an evaporation section; when the lampblack passes through the catalyst layer, gaseous pollutants in the lampblack are completely oxidized into carbon dioxide and water; the purified lampblack is cooled by the evaporation section and discharged from an outlet. By the combination of adsorption purification, electrostatic collection, catalytic combustion and backheating devices, the zero-emission lampblack electrostatic coupling catalytic oxidation purification device has the characteristics of simple structure, low catalysis temperature, low energy consumption, no pollution to the environment, nearly zero emission of the lampblack and the like.

Description

A kind of oil smoke electrostatic coupling catalyzing, oxidizing and purifying device and method of zero-emission
Technical field
The invention belongs to Fine Particles and cleaning harmful gas research field in kitchen fumes, and in particular to a kind of zero-emission The oil smoke electrostatic coupling catalyzing, oxidizing and purifying device and method put.
Background technology
The instantaneous discharge qualities of PM2.5 during doing business in the restaurant of Chinese style difference culinary art system are at concentrations up to 11mg/m3, Number concentration emission factor is 1012-1014#/min, after the cooking fume control equipment purification on market, its concentration of emission is still In 100-600ug/m3.At present in country's catering industry discharge standard (GB18483-2001), only to large, medium and small restaurant most The removal efficiency of maximum discharge concentration and cooking fume control equipment makes regulation, and without the number concentration to discharged particle rule are made It is fixed.Some areas have begun to pay attention to harm of the oil smoke to environment, and more strict ground has all been formulated in such as Shanghai, Tianjin Square standard control oil smoke discharge regulation.
The oil smoke produced in cooking process is by submicron particles thing with gaseous state groups of contaminants into the particle diameter of these particulate matters Less, generally within 200nm, its quantity occupies more than the 80% of total quantity concentration of emission.The process of smoke particle thing at present Means have mechanical removal method, electrostatic method, washing method, absorption method, Production by Catalytic Combustion Process and distinct methods combination technology, but these skills Art is higher to micron-sized smoke particle removal efficiency, and to the removal efficiency DeGrain of fine particle, and these are difficult to Harm of the fine particle of removing to environment and human body is much larger than bulky grain thing.In addition, the gaseous contaminant in oil smoke contain it is many Planting carcinogen and the respiratory tract to human body also has very big stimulation, has suction currently for the method for the gaseous contaminant of oil smoke The means such as attached, absorption, membrance separation, lower temperature plasma technology, catalysis burning, biodegradation, these technologies all exist certain Defect, such as energy consumption are higher, catalysis ignition temperature is too high, smoke-purifying tolerance is limited.
The content of the invention
For above-mentioned the deficiencies in the prior art, the present invention provides a kind of oil smoke electrostatic coupling catalyzing, oxidizing and purifying of zero-emission Device and method, can simultaneously remove the fine particle and gaseous contaminant in flue gas.
For achieving the above object, the present invention is adopted the following technical scheme that:
A kind of oil smoke electrostatic coupling catalyzing, oxidizing and purifying device of zero-emission, including shell, shell inner cavity arranges heat pipe and changes Hot device, the heat exchange of heat pipe includes condensation segment and evaporator section, and baffle plate is provided between condensation segment and evaporator section;The baffle plate is from outer The side wall of shell extends to inner chamber;Smoke inlet and exhanst gas outlet are had on the side wall, flue gas enters outer from smoke inlet Shell inner chamber, all flows to condensation segment under the encirclement of shell and baffle plate;Drainage screen is set after condensation segment;Flue gas is in shell and baffle plate Encirclement under, condensed section of whole flows to drainage screen;Electrostatic fog-zone is provided with after drainage screen, the electrostatic fog-zone is provided with charged Sprayer unit, the electrostatic charged spray device sprays Charged Droplet;Catalyst layer, flue gas Jing spraying area streams are set after the evaporator section To catalyst layer, evaporator section is then flowed to, finally flowed out from exhanst gas outlet.
Further, the oil smoke electrostatic coupling catalyzing, oxidizing and purifying equipment also includes heating control system, the heating Control system includes control device, temperature sensor, electric heater unit;The temperature sensor, electric heater unit are arranged at urges In agent layer;The temperature sensor connects control device, and temperature signal is transferred to into control device;The control device connects Electric heater unit is connect, control device controls the work of electric heater unit according to the temperature signal for being received.
Further, the catalyst layer is that cordierite honeycomb ceramic loads Fe (OH) 3 nano-particle.
Further, the electrostatic charged spray device is induced list hydraulic pressure rotating flow cone type nozzle.
Further, the measurement range of the temperature sensor is 0-250 DEG C.
Further, the drainage screen is HEPA drainage screens, and filtering material is terylene non-woven fabric.
Based on the oil smoke electrostatic coupling catalyzing, oxidizing and purifying method of the arbitrary described device of claim 1-6, including following step Suddenly:
Step (1):The condensation segment that flue gas passes through heat exchange of heat pipe, rises flue-gas temperature, the partial particulate thing in flue gas By granule phase in version into gas phase, the quantity and particle diameter of particulate matter is tentatively reduced in flue gas;
Step (2):Flue gas flows through drainage screen, and the particulate matter of more than diameter 0.3um is intercepted by drainage screen in flue gas, and is adsorbed On drainage screen;
Step (3):, by electrostatic fog-zone, the particulate matter of a diameter of 0.01um-0.3um is by Charged Droplet in flue gas for flue gas Absorption coalescence, is easy to collect;
Step (4):Catalyst layer controls catalytic temperature by electric heater unit, and flue gas is flowed through after catalyst layer, therein Gaseous contaminant is completely oxidized to carbon dioxide and water;
Step (5):The evaporator section that flue gas passes through heat exchange of heat pipe, chilling temperature is subsequently discharged from exhanst gas outlet.
Beneficial effects of the present invention are:1st, more than 0.3um coarse granules effect in flue gas is removed obvious, to below 0.3um's Fine grained also has significant removal effect;2nd, adsorption cleaning, Electrostatic, catalysis burning and regenerative apparatus are combined, is had There is simple structure, catalytic temperature is low, and energy consumption is low, the features such as the material replacement cycle is long;3rd, can be thorough by hazardous air pollutants It is converted into innocuous gas discharge, environmentally safe.
Description of the drawings
Fig. 1 is the structural representation of cooking fume control equipment of the present invention;
Label in figure:1st, shell;2nd, heat exchange of heat pipe;3rd, drainage screen;4th, electrostatic charged spray device;5th, water fender;6th, spray High voltage supply system;7th, fixed net;8th, catalyst layer;9th, electric heater unit;10th, control device;11A, dynamoelectric water valve;11B, electricity Dynamic water valve;11C, dynamoelectric water valve;12nd, baffle plate;13rd, water seal;14th, differential pressure pickup;15th, temperature sensor;16th, discharge outlet;17、 Cleaning sprayer.
Specific embodiment
The present invention is further detailed with reference to the accompanying drawings and detailed description.
As shown in figure 1, a kind of oil smoke electrostatic coupling catalyzing, oxidizing and purifying equipment of zero-emission includes device housings 1;Shell 1 Interior to arrange heat exchange of heat pipe 2, heat exchange of heat pipe 2 includes condensation segment and evaporator section, baffle plate 12 is provided between condensation segment and evaporator section, Baffle plate 12 extends to inner chamber from the side wall of shell 1;Smoke inlet and exhanst gas outlet are had on above-mentioned side wall;Set after condensation segment Put drainage screen 3, preferred terylene non-woven fabric HEPA drainage screens;It is electrostatic atomization area after drainage screen 3, is provided with electrostatic charged spray device 4;Steam Send out and arrange after section catalytic combustion zone, catalytic combustion zone includes fixed net 7, catalyst 8, electric heater unit 9,;After drainage screen 3 and urge Change and be designed with water fender 5 before combustion zone;Dynamoelectric water valve 11A is connected with electrostatic charged spray device 4;Dynamoelectric water valve 11B, 11C and cleaning Shower nozzle 17 connects;Cleaning waste water drains into wastewater collection area by water seal 13;Control device 10 and differential pressure pickup 14, temperature sensor 15th, high voltage supply system 6 of spraying connects;Cleaning waste water and electrostatic waste water are discharged by discharge outlet 16.The preferred Fe of the catalyst 8 (OH)3Nano-particle is supported on cordierite honeycomb ceramic;The catalyst fix the preferred mesh size of net 7 be 0.1um not Rust steel mesh;The preferred induced list hydraulic pressure rotating flow cone type nozzle of described electrostatic charged spray device 4;The preferably heat-resisting material of the water seal 13 Matter, the measurement range of described temperature sensor 15 is preferred 0-250 DEG C;The preferred 0- of measurement range of described pressure transducer 14 200Pa。
The method for removing fine particle and gas pollutant in oil smoke using said apparatus, comprises the following steps:
Flue gas enters device, by the condensation segment of the heat exchange of heat pipe 2 of entrance, after lifting flue-gas temperature, in oil smoke Partial particulate thing by granule phase in version into gas phase so that the particulate matter quantity and particle diameter in oil smoke is tentatively reduced, further Jing Primary filter drainage screen 3 is crossed, the particulate matter of more than diameter 0.3um is intercepted.Subsequently flue gas is by electrostatic fog-zone, diameter The granule of 0.01um-0.3um adsorbs coalescence by Charged Droplet, and the wastewater collection area by action of gravity from below spraying area drains. Control device 10 controls electrical heating wire heating and maintains the temperature of catalyst layer to be in by the feedback signal of temperature sensor 15 180-190 DEG C, when flue gas is through catalyst layer, the gaseous contaminant in flue gas is completely oxidized to carbon dioxide and water. Flue gas discharges section, reduces the flue-gas temperature after purification by the evaporator section of heat exchange of heat pipe and improves flue gas intake air temperature.
The period is run in equipment, control device control dynamoelectric water valve 11A is in opening, high voltage supply system 6 of spraying Power to electrostatic charged spray device 4, make droplet positively charged.Dynamoelectric water valve 11B, 11C are closed.When equipment it is out of service When, control device control dynamoelectric water valve 11A is closed spraying high voltage supply system 6 to be stopped being supplied to electrostatic charged spray device 4 Electricity.Within the equipment operation period, when the pressure drop of heat exchange of heat pipe 2 and HEPA drainage screens 3 is more than 100Pa, by control device 10 records, and open in equipment inoperative period control dynamoelectric water valve 11B, 11C, opposite heat tube heat exchanger 2 and HEPA drainage screens 3 enter Row cleaning.
It is more than to combine the detailed enforcement explanation that accompanying drawing 1 is made to apparatus of the present invention, it should be understood that these embodiments are only used for Illustrate the present invention rather than limit the scope of the present invention, after the present invention has been read, those skilled in the art are to the present invention The modification of the various equivalent form of values fall within the application claims limited range.

Claims (7)

1. the oil smoke electrostatic coupling catalyzing, oxidizing and purifying device of a kind of zero-emission, it is characterised in that including shell (1), shell (1) Inner chamber arrange heat exchange of heat pipe (2), the heat exchange of heat pipe (2) including condensation segment and evaporator section, between condensation segment and evaporator section It is provided with baffle plate (12);The baffle plate (12) extends to inner chamber from the side wall of shell (1);Smoke inlet is had on the side wall And exhanst gas outlet, flue gas enters shell inner cavity, under the encirclement of shell (1) and baffle plate (12) condensation segment flowed to from smoke inlet; Drainage screen (3) is set after condensation segment;Under the encirclement of shell (1) and baffle plate (12), condensed section flows to drainage screen (3) to flue gas; Electrostatic fog-zone is provided with after drainage screen (3), the electrostatic fog-zone is provided with electrostatic charged spray device (4), the electrostatic charged spray device (4) Charged Droplet is sprayed;Catalyst layer (8) is set after the evaporator section, and flue gas Jing spraying areas flow to catalyst layer (8), then Evaporator section is flowed to, is finally flowed out from exhanst gas outlet.
2. the oil smoke electrostatic coupling catalyzing, oxidizing and purifying device of a kind of zero-emission according to claim 1, it is characterised in that The oil smoke electrostatic coupling catalyzing, oxidizing and purifying equipment also includes heating control system, and the heating control system includes control dress Put (10), temperature sensor (15), electric heater unit (9);The temperature sensor (15), electric heater unit (9) are arranged at and urge In agent layer (8);The temperature sensor (15) connection control device (10), and temperature signal is transferred to into control device (10);The control device (10) connection electric heater unit (9), control device (10) is according to the temperature signal control electricity for being received The work of heater (9).
3. the oil smoke electrostatic coupling catalyzing, oxidizing and purifying device of a kind of zero-emission according to claim 1, it is characterised in that: The catalyst layer (8) is cordierite honeycomb ceramic load Fe (OH)3Nano-particle.
4. the oil smoke electrostatic coupling catalyzing, oxidizing and purifying device of a kind of zero-emission according to claim 1, it is characterised in that: The electrostatic charged spray device (4) is induced list hydraulic pressure rotating flow cone type nozzle.
5. the oil smoke electrostatic coupling catalyzing, oxidizing and purifying device of a kind of zero-emission according to claim 1, it is characterised in that: The measurement range of the temperature sensor (15) is 0-250 DEG C.
6. the oil smoke electrostatic coupling catalyzing, oxidizing and purifying device of a kind of zero-emission according to claim 1, it is characterised in that: The drainage screen (3) is HEPA drainage screens, and filtering material is terylene non-woven fabric.
7. the oil smoke electrostatic coupling catalyzing, oxidizing and purifying method of the arbitrary described device of claim 1-6 is based on, it is characterised in that:Bag Include following steps:
Step (1):The condensation segment that flue gas passes through heat exchange of heat pipe, rises flue-gas temperature, the partial particulate thing in flue gas by Into gas phase, the quantity and particle diameter of particulate matter is tentatively reduced grain phase in version in flue gas;
Step (2):Flue gas flows through drainage screen, and the particulate matter of more than diameter 0.3um is intercepted by drainage screen in flue gas, and adsorbs in mistake On filter screen;
Step (3):By electrostatic fog-zone, the particulate matter of a diameter of 0.01um-0.3um is adsorbed flue gas by Charged Droplet in flue gas Coalescence, is easy to collect;
Step (4):Catalyst layer controls catalytic temperature by electric heater unit, and flue gas is flowed through after catalyst layer, gaseous state therein Pollutant are completely oxidized to carbon dioxide and water;
Step (5):The evaporator section that flue gas passes through heat exchange of heat pipe, chilling temperature is subsequently discharged from exhanst gas outlet.
CN201611178312.7A 2016-12-19 2016-12-19 Zero-emission lampblack electrostatic coupling catalytic oxidation purification device and method Pending CN106678912A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611178312.7A CN106678912A (en) 2016-12-19 2016-12-19 Zero-emission lampblack electrostatic coupling catalytic oxidation purification device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611178312.7A CN106678912A (en) 2016-12-19 2016-12-19 Zero-emission lampblack electrostatic coupling catalytic oxidation purification device and method

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Publication Number Publication Date
CN106678912A true CN106678912A (en) 2017-05-17

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107606672A (en) * 2017-11-06 2018-01-19 上海京明环境科技有限公司 Circulating combustion method purifies kitchen fume system equipment in a kind of electrostatic coupling
CN110986126A (en) * 2019-11-28 2020-04-10 海信(广东)厨卫系统有限公司 Fume exhaust fan

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10020205C5 (en) * 2000-04-25 2004-06-03 Reiner Heede Extractor hood with condensate separator
CN2828608Y (en) * 2005-08-06 2006-10-18 麦广海 Kitchen ventilator
CN102698557A (en) * 2012-06-29 2012-10-03 上海理工大学 Electrostatic spraying and dust-removing system
CN203744346U (en) * 2014-03-06 2014-07-30 宁波方太厨具有限公司 Compound oil smoke purifier with coupling function
CN104676695A (en) * 2015-02-11 2015-06-03 深圳市飚火节能环保科技有限公司 Intelligent environment-friendly cooking fume purifier
CN204853622U (en) * 2015-08-05 2015-12-09 叶安生 A fume purification device for restaurant's culinary art

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10020205C5 (en) * 2000-04-25 2004-06-03 Reiner Heede Extractor hood with condensate separator
CN2828608Y (en) * 2005-08-06 2006-10-18 麦广海 Kitchen ventilator
CN102698557A (en) * 2012-06-29 2012-10-03 上海理工大学 Electrostatic spraying and dust-removing system
CN203744346U (en) * 2014-03-06 2014-07-30 宁波方太厨具有限公司 Compound oil smoke purifier with coupling function
CN104676695A (en) * 2015-02-11 2015-06-03 深圳市飚火节能环保科技有限公司 Intelligent environment-friendly cooking fume purifier
CN204853622U (en) * 2015-08-05 2015-12-09 叶安生 A fume purification device for restaurant's culinary art

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107606672A (en) * 2017-11-06 2018-01-19 上海京明环境科技有限公司 Circulating combustion method purifies kitchen fume system equipment in a kind of electrostatic coupling
CN107606672B (en) * 2017-11-06 2020-09-22 上海京明环境科技有限公司 System equipment for purifying kitchen oil fume by electrostatic coupling internal circulation combustion method
CN110986126A (en) * 2019-11-28 2020-04-10 海信(广东)厨卫系统有限公司 Fume exhaust fan

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