CN104048343A - Kitchen oil fume purification method and device - Google Patents
Kitchen oil fume purification method and device Download PDFInfo
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- CN104048343A CN104048343A CN201410311569.XA CN201410311569A CN104048343A CN 104048343 A CN104048343 A CN 104048343A CN 201410311569 A CN201410311569 A CN 201410311569A CN 104048343 A CN104048343 A CN 104048343A
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- cabin
- chemical reaction
- chemical
- chemical agent
- reaction cabin
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Abstract
The invention discloses a kitchen oil fume purification method. The oil fume and odor in the kitchen air are sucked and transmitted to a chemical reaction cabin; a chemical agent is extracted from a chemical agent reflux cabin and then is transmitted to an atomizing device in the chemical reaction cabin; the chemical agent turns to mist and diffuses in the chemical reaction cabin so as to realize chemical reaction with the oil fume; the reacted mist passes through a demisting cabin so as to realize mist-vapor separation. The invention further provides a device implementing the method. The device comprises the chemical reaction cabin, wherein the chemical reaction cabin is connected with an oil fume collection hood; the chemical agent reflux cabin is arranged at the lower end of the chemical reaction cabin; the chemical reaction cabin and the chemical agent reflux cabin are connected with a chemical agent supplement box; the atomizing device is arranged in the chemical reaction cabin and is connected with the chemical agent reflux bin; the demisting device is arranged at one side of the chemical reaction cabin and is composed of at least one silk screen. According to the kitchen oil fume purification method and the device, both the oil stain and odor in the kitchen air can be removed.
Description
Technical field
The invention belongs to field of Environment Protection, relate in particular to a kind of kitchen oil fume purifying processing method, is a kind of cooking fume purifying method and device specifically.
Background technology
The enhancing to ecological environmental protection consciousness along with social development and the mankind; people talk at present " haze " look and become; because exceeding standard, outdoor air quality PM2.5 becomes normality; and the outer row of kitchen fume has made the matter worse to the weak air quality that is highly brittle at present, very distinct issues have been become.The discharge of kitchen fume shows from overall situation, according to Chinese Academy of Sciences's atmospheric physics institute monitoring, in the source of Beijing PM2.5, the discharge ratios such as kitchen fumes have accounted for 13%, even higher than 8% of industrial discharge, this is that family kitchen quantity absolute value determines and causes the variation of matter.From kitchen subenvironment, consider, some middle-size and small-size food and beverage enterprises particularly, the index of PM2.5 in kitchen is far beyond the more than 10 times of outdoor air quality, once and particle in these oil smoke of human body Long Term Contact, not only can cause skin senescence, even also can improve the risk of suffering from cancer, it is extremely urgent solving as can be seen here the problem of oil smoke in kitchen.
Civilian kitchen fume treatment technology, great majority adopt mechanical system to carry out oil removing, peculiar smell are not processed.Traditional mode utilizes the fan blade of High Rotation Speed to cut floating trickle oil droplet in air, and making it cohesion becomes in oarse-grained greasy dirt inflow store oil box, and fumes peculiar smell is directly passed through to pipeline external discharge through walls through any processing.
Same commercial kitchen oil smoke treatment technology, adopt the blower fan of Wind Volume High Rotation Speed, oil smoke inspiration fume purifier of fume, device ground floor adopts stainless steel wire braiding coarse filtration net, the second layer is Electrostatic Absorption or plasma, the 3rd layer for charcoal absorption, gas again by pipeline to outdoor discharge.In recent years, also having occurred some new technologies on market, as light degradation technology, is that the wavelength that utilizes quartz burner to send 100-280 nanometer produces ozone, the airborne odoring substance of oxidation Decomposition and gaseous organic compound; Also adopt in addition atomized water spray in pipeline, produce moisture film and eliminate and separated oil smoke, no matter adopt which kind of oil smoke treatment technology, all be unable to do without brokenly wall, discharge pipe, erect chimney, in order to reduce, to disturb residents and take high as far as possible smoke stack emission.
At present the fume purifier of fume of catering industry is no matter adopt any technology, all be unable to do without flue gas utilization chimney after processing or building flue to outdoor discharge, causes outdoor air quality constantly to worsen.If can not regularly fume pipeline be cleaned, can give hiding some dangers for of fire.
Summary of the invention
For the defect existing in above-mentioned prior art, the invention provides a kind of cooking fume purifying method and device, it is not good that described this cooking fume purifying method and device will solve kitchen fume treatment effect of the prior art, affects residents ' health, increases the technical problem of environmental pollution.
A kind of cooking fume purifying method of the present invention, adopt blower fan that the oil smoke in air in kitchen and peculiar smell are extracted, then by pipeline, oil smoke and peculiar smell are sent in chemical reaction cabin, after being extracted from chemical agent backflow cabin, chemical reagent is transported to the atomising device in chemical reaction cabin, chemical agent becomes fog and is diffused in chemical reaction cabin, with oil smoke, carry out chemical reaction, reacted fog is through demist cabin, realize fog separation, fog becomes the chemical agent backflow cabin, bottom that solution flows to demist cabin, and a part of gas is discharged from air outlet.
Further, described odor removal agent is by NaOH, Na
2siO
3, sodium alkyl sulfate and water forms, the mass percent of described NaOH in odor removal agent is 20-30%, described Na
2siO
3mass percent in odor removal agent is 10-20%, and the mass percent of described sodium alkyl sulfate in odor removal agent is 5-10%, and surplus is water.
A kind of cooker hood of the present invention, comprise a chemical reaction cabin, described chemical reaction cabin is connected with an oil-collecting petticoat pipe by an oil smoke ventilation shaft, in described oil smoke ventilation shaft, be provided with a blower fan, the lower end in described chemical reaction cabin is provided with a chemical agent backflow cabin, described chemical reaction cabin supplements case with a chemical agent and is connected, described chemical agent backflow cabin and chemical agent supplement between case and connect by a connecting pipe, in described chemical reaction cabin, be provided with an atomising device, described atomising device is connected with described chemical agent backflow cabin by a liquid-transport pipe-line, one side in described chemical reaction cabin is provided with a demist cabin, described demist cabin consists of at least one silk screen, the lateral surface in described demist cabin is provided with an air outlet, described chemical reaction bilge portion is provided with a blow-off line.
Further, described liquid-transport pipe-line consists of a booster water pump input duct and a booster water pump fluid pipeline, between described water pump input duct and booster water pump fluid pipeline, is provided with a booster water pump.
Further, described blower fan is multiple wing type centrifugal blower fan, and the air inlet of described blower fan connects with described oil-collecting petticoat pipe, and air outlet connects with described chemical reaction cabin.
Further, described chemical agent supplements the upper end that case is arranged on described chemical reaction cabin.
Further, described atomising device is a spray equipment, is provided with a plurality of shower nozzles in described spray equipment.
Further, described chemical reaction cabin, demist cabin communicate with described chemical agent backflow cabin respectively.
Concrete, described booster water pump impeller and housing are stainless steel, described sprayer unit and shower nozzle material are stainless steel, the internal diameter of shower nozzle is not more than 1 millimeter, quantity is no less than 30, and described demist cabin is comprised of three stainless steel cloths, is respectively from inside to outside 40 orders, 80 orders, 100 orders.
Concrete, described chemical agent supplements in case and chemical agent backflow cabin and is provided with odor removal agent, and described odor removal agent consists of surfactant, alkaline agent, eliminating smell agent and water.
Operation principle of the present invention is: utilize multiple wing type centrifugal blower fan fast the oil smoke in air in kitchen and peculiar smell to be extracted by oil-collecting petticoat pipe, do not allow it spread, send in chemical reaction cabin, booster water pump extracts chemical agent from chemical agent backflow cabin, after supercharging, be transported to the atomising device in chemical reaction cabin, chemical agent becomes fog and is diffused in chemical reaction cabin, because vaporific chemical agent has great surface area, can fully with oil smoke, carry out chemical reaction fast, because there is pressure in reaction cabin, reacted fog is passed to demist cabin, demist cabin has the stainless steel cloth of three different meshes to realize fog separation, fog becomes the chemical agent backflow cabin, bottom that solution flows to demist cabin, after being extracted by booster water pump, recycle, the chemical agent fluid infusion case reducing by cooker hood top as chemical agent supplements, every day, end-of-job was opened blowoff valve, solution is discharged by blow-off pipe.
Grease reaction equation is as follows:
CH2OCOC17H35
|
CHOCOC17H35?+?3NaOH?→?3C17H36-COONa?+?CH2OH-CHOH-CH2OH
|
CH2OCOC17H35
Compared to the prior art, its technological progress is significant in the present invention.The present invention carries out chemical reaction with medicament with kitchen fume in chemical reaction cabin, oil smoke, Ester are carried out to emulsification and saponification, with atomization method, expanded the contact area of chemical reaction, by demist cabin, realize aerosol separation again, effectively controlled the air quality in kitchen, the defect that the current cooker hood of having determined exists in processing oil smoke, realized in kitchen oil fume purifying gas compartment and having discharged.
The present invention has overturned the outer row's of the broken wall flue gas of conventional kitchen fume purifier of fume traditional mode, reduced the discharge of PM2.5 and peculiar smell in atmosphere, reduce the dispute that food and beverage enterprise's kitchen fume discharge disturbs residents and produces, to advocating the development of harmonious society, there is great social benefit.
The present invention a kind ofly can remove greasy dirt particle floating in air, solid particulate matter, can remove peculiar smell in air again, and the Novel kitchen oil fume purifier that can not discharge outside atmosphere in running, changed conventional kitchen fume purifier of fume the conventional method that need to break the wall outer row's mode burrowing and the needs dismounting of keeping a public place clean has been installed, make the oil smoke after purifying realize indoor discharge, solved the pollution that kitchen fume discharge causes surrounding environment.
Cooker hood of the present invention plays the removal effect of emulsification, saponification, dissolving, decomposition to the ester class in air in kitchen and peculiar smell, volatility grease purifying rate reaches more than 90%; The particle purifying usefulness of air outlet is A level and reaches PPM level purification standard.
Accompanying drawing explanation
Below with reference to accompanying drawing, the invention will be further described.
Fig. 1 is the structural representation of a kind of cooker hood of the present invention.
In Fig. 1: 1, cooker hood, 2, oil-collecting petticoat pipe, 3, blower fan, 4, booster water pump input duct, 5, booster water pump fluid pencil road, 6, spray equipment, 7, oil smoke carrier pipe, 8,40 chemical agent fluid infusion casees, 9, connecting pipe 10, the blow-off pipe in fluid infusion case and medicament backflow cabin, 11,40 order stainless steel cloths, 12,80 order stainless steel cloths, 13,100 order stainless steel cloths, 14, booster water pump, 15, shower nozzle, 16, chemical agent backflow cabin, 17, chemical reaction cabin, 18, demist cabin, 19, air outlet.
The specific embodiment
Shown in accompanying drawing 1, a kind of cooker hood 1 of the present invention has oil-collecting petticoat pipe 2, described oil-collecting petticoat pipe 2 tops arrange a transferring oil smoke pipeline 7, blower fan 3 is installed in the centre of conveyance conduit, while connect oil-collecting petticoat pipe 2 tops transferring oil smoke pipeline 7, connect chemical reaction cabin conveyance conduit, described cooker hood 1 bottom arranges chemical agent backflow cabin 16, and left side arranges chemical reaction cabin 17, and right side arranges demist cabin 18.Described chemical agent backflow cabin 16 has pipeline 4 to connect booster water pump 14 imports, booster water pump outlet connecting pipe road 5 also flows into the sprayer unit 6 in chemical reaction cabin 17, described sprayer unit 6 is comprised of N shower nozzle 15, the top of described cooker hood 1 arranges a chemical agent and supplements case 8, described chemical agent supplements case and is connected with chemical agent backflow cabin 16 by pipeline 9, demist cabin 18 is by 40 order stainless steel wires 11, 80 order stainless steel cloths 12, 100 order stainless steel cloths 13 form, the right side bottom of described cooker hood 1 arranges blow-off line 10, described cooker hood 1 side, the right is provided with an air outlet 19.
Concrete equipment and process in above-described embodiment is described below:
(1) blower fan
Blower fan 3 is very crucial parts in this device, the air that mainly kitchen is included to pollutant forces sends into oil-collecting petticoat pipe, do not allow oil smoke and peculiar smell spread, and the blast of blower fan will be selected higher, oil smoke can be grown distance conveying, and soot gas could be by passing through chemical reaction cabin and demist cabin like this.Make air in kitchen reach good state, air quantity is changed in kitchen to be needed 3-5 time per hour, and the model of blower fan and the selection of power, be on this basis.So selection multiple wing type centrifugal blower fan, power 1.2Kw, voltage 220V, frequency 50HZ, noise 75dB, air quantity 28m3/min, maximum static pressure 1.2KPa.
(2) odor removal agent
36 ° of Baume liquid caustic soda (NaOH) 20-30%
40 ° of Baume flower bulb alkali (Na2SiO3) 10-20%
85% AEO 5-10%
EDTA water softener 2-5%
Water 30-50%
(3) booster water pump
Because chemical agent backflow cabin 16 is to store chemical agent, so the impeller of booster water pump 14 and housing are selected erosion-resisting stainless steel material.250 watts of power, 7 meters of lifts, 80 liters/per minute.
Claims (8)
1. a cooking fume purifying method, it is characterized in that: adopt blower fan that the oil smoke in air in kitchen and peculiar smell are extracted, then by pipeline, oil smoke and peculiar smell are sent in chemical reaction cabin, after being extracted from chemical agent backflow cabin, chemical reagent is transported to the atomising device in chemical reaction cabin, chemical agent becomes fog and is diffused in chemical reaction cabin, with oil smoke, carry out chemical reaction, reacted fog is through demist cabin, realize fog separation, fog becomes the chemical agent backflow cabin, bottom that solution flows to demist cabin, and a part of gas is discharged from air outlet.
2. a kind of cooking fume purifying method as claimed in claim 1, is characterized in that: described odor removal agent is by NaOH, Na
2siO
3, sodium alkyl sulfate and water forms, the mass percent of described NaOH in odor removal agent is 20-30%, described Na
2siO
3mass percent in odor removal agent is 10-20%, and the mass percent of described sodium alkyl sulfate in odor removal agent is 5-10%, and surplus is water.
3. realize a kind of cooker hood of method described in claim 1, it is characterized in that: comprise a chemical reaction cabin, described chemical reaction cabin is connected with an oil-collecting petticoat pipe by an oil smoke ventilation shaft, in described oil smoke ventilation shaft, be provided with a blower fan, the lower end in described chemical reaction cabin is provided with a chemical agent backflow cabin, described chemical reaction cabin supplements case with a chemical agent and is connected, described chemical agent backflow cabin and chemical agent supplement between case and connect by a connecting pipe, in described chemical reaction cabin, be provided with an atomising device, described atomising device is connected with described chemical agent backflow cabin by a liquid-transport pipe-line, one side in described chemical reaction cabin is provided with a demist cabin, described demist cabin consists of at least one silk screen, the lateral surface in described demist cabin is provided with an air outlet, described chemical reaction bilge portion is provided with a blow-off line.
4. a kind of cooker hood according to claim 3, it is characterized in that: described liquid-transport pipe-line consists of a booster water pump input duct and a booster water pump fluid pipeline, between described booster water pump input duct and booster water pump fluid pipeline, is provided with a booster water pump.
5. a kind of cooker hood according to claim 3, is characterized in that: described chemical agent supplements the upper end that case is arranged on described chemical reaction cabin.
6. a kind of cooker hood according to claim 3, is characterized in that: described blower fan is multiple wing type centrifugal blower fan, and the air inlet of described blower fan connects with described oil-collecting petticoat pipe, and air outlet connects with described chemical reaction cabin.
7. a kind of cooker hood according to claim 3, is characterized in that: described atomising device is a spray equipment, is provided with a plurality of shower nozzles in described spray equipment.
8. a kind of cooker hood according to claim 3, is characterized in that: described chemical reaction cabin, demist cabin communicate with described chemical agent backflow cabin respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410311569.XA CN104048343A (en) | 2014-07-02 | 2014-07-02 | Kitchen oil fume purification method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410311569.XA CN104048343A (en) | 2014-07-02 | 2014-07-02 | Kitchen oil fume purification method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104048343A true CN104048343A (en) | 2014-09-17 |
Family
ID=51501525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410311569.XA Pending CN104048343A (en) | 2014-07-02 | 2014-07-02 | Kitchen oil fume purification method and device |
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| Country | Link |
|---|---|
| CN (1) | CN104048343A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896519A (en) * | 2015-06-04 | 2015-09-09 | 黎建军 | Catering energy-saving environment-friendly oven |
| CN105056707A (en) * | 2015-09-09 | 2015-11-18 | 梁峰 | Restaurant lampblack treatment device adopting nano filter balls |
| CN105157082A (en) * | 2015-09-22 | 2015-12-16 | 嘉兴职业技术学院 | Lampblack depurating machine for hotel management |
| CN105351989A (en) * | 2015-11-23 | 2016-02-24 | 武汉达顺创新科技有限公司 | Efficient kitchen ventilator |
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| CN2339904Y (en) * | 1998-09-18 | 1999-09-22 | 番禺文宝厨房设备有限公司 | Cooking-fume exhauster for use in kitchen |
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| CN102679424A (en) * | 2012-01-20 | 2012-09-19 | 陈荣富 | Atomizing type range hood with water tank |
| US20120247345A1 (en) * | 2011-03-29 | 2012-10-04 | Ting-Fang Chiang | Teppanyaki assembly |
| CN103041662A (en) * | 2011-10-14 | 2013-04-17 | 周开泰 | Smoke purifying device and smoke exhauster |
| CN103398407A (en) * | 2013-08-23 | 2013-11-20 | 周洪贤 | Oil smoke separating, silencing and purifying box |
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2014
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Patent Citations (7)
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| CN2339904Y (en) * | 1998-09-18 | 1999-09-22 | 番禺文宝厨房设备有限公司 | Cooking-fume exhauster for use in kitchen |
| EP1775035A1 (en) * | 2005-10-14 | 2007-04-18 | Südluft Systemtechnik GmbH & Co. KG | Self-cleaning exhaust hood and system for cleaning an exhaust hood |
| US20120247345A1 (en) * | 2011-03-29 | 2012-10-04 | Ting-Fang Chiang | Teppanyaki assembly |
| CN103041662A (en) * | 2011-10-14 | 2013-04-17 | 周开泰 | Smoke purifying device and smoke exhauster |
| CN102533477A (en) * | 2011-12-31 | 2012-07-04 | 北京绿伞化学股份有限公司 | Non-corrosive heavy oil dirt remover and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896519A (en) * | 2015-06-04 | 2015-09-09 | 黎建军 | Catering energy-saving environment-friendly oven |
| CN104896519B (en) * | 2015-06-04 | 2017-11-07 | 中国计量大学 | A kind of food and drink energy-saving environment-friendly cooking stove |
| CN105056707A (en) * | 2015-09-09 | 2015-11-18 | 梁峰 | Restaurant lampblack treatment device adopting nano filter balls |
| CN105157082A (en) * | 2015-09-22 | 2015-12-16 | 嘉兴职业技术学院 | Lampblack depurating machine for hotel management |
| CN105351989A (en) * | 2015-11-23 | 2016-02-24 | 武汉达顺创新科技有限公司 | Efficient kitchen ventilator |
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Application publication date: 20140917 |