CN203949251U - A kind of cooker hood - Google Patents

A kind of cooker hood Download PDF

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Publication number
CN203949251U
CN203949251U CN201420362126.9U CN201420362126U CN203949251U CN 203949251 U CN203949251 U CN 203949251U CN 201420362126 U CN201420362126 U CN 201420362126U CN 203949251 U CN203949251 U CN 203949251U
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China
Prior art keywords
cabin
chemical reaction
chemical
chemical agent
cooker hood
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CN201420362126.9U
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Chinese (zh)
Inventor
郑自力
曹志勇
田春雷
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Shanghai Power Eco Japan Co Ltd Of Us
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Shanghai Power Eco Japan Co Ltd Of Us
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Priority to CN201420362126.9U priority Critical patent/CN203949251U/en
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Abstract

A kind of cooker hood, comprise a chemical reaction cabin, chemical reaction cabin is connected with an oil-collecting petticoat pipe, the lower end in chemical reaction cabin is provided with a chemical agent backflow cabin, and chemical reaction cabin supplements case with a chemical agent and is connected, and chemical agent backflow cabin supplements case with chemical agent and is connected, in chemical reaction cabin, be provided with an atomising device, atomising device is connected with chemical agent backflow cabin, and a side in chemical reaction cabin is provided with a demist cabin, and demist cabin consists of at least one silk screen.The utility model can be removed airborne greasy dirt in kitchen, can remove kitchen peculiar smell again.

Description

A kind of cooker hood
Technical field
The utility model belongs to field of Environment Protection, relates in particular to a kind of fume, smoke purifying.
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.
Utility model content
For the defect existing in above-mentioned prior art, the utility model provides a kind of cooker hood, it is not good that described this cooker hood will solve kitchen fume treatment effect of the prior art, affects residents ' health, increases the technical problem of environmental pollution.
A kind of cooker hood of the utility model, 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 utility model 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 to the utility model.The utility model 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 utility model has been 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 utility model is 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 utility model 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 utility model is described in further detail.
Fig. 1 is the structural representation of a kind of cooker hood of the utility model.
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 utility model 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 (6)

1. a cooker hood, 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.
2. a kind of cooker hood according to claim 1, 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.
3. a kind of cooker hood according to claim 1, is characterized in that: described chemical agent supplements the upper end that case is arranged on described chemical reaction cabin.
4. a kind of cooker hood according to claim 1, 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.
5. a kind of cooker hood according to claim 1, is characterized in that: described atomising device is a spray equipment, is provided with a plurality of shower nozzles in described spray equipment.
6. a kind of cooker hood according to claim 1, is characterized in that: described chemical reaction cabin, demist cabin communicate with described chemical agent backflow cabin respectively.
CN201420362126.9U 2014-07-02 2014-07-02 A kind of cooker hood Active CN203949251U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420362126.9U CN203949251U (en) 2014-07-02 2014-07-02 A kind of cooker hood

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420362126.9U CN203949251U (en) 2014-07-02 2014-07-02 A kind of cooker hood

Publications (1)

Publication Number Publication Date
CN203949251U true CN203949251U (en) 2014-11-19

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109210598A (en) * 2018-11-19 2019-01-15 江苏火红机械有限公司 A kind of commercial kitchen lampblack purifying system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109210598A (en) * 2018-11-19 2019-01-15 江苏火红机械有限公司 A kind of commercial kitchen lampblack purifying system

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