CN1670434A - Oil smoke catalytic decomposition treating apparatus for range hoods - Google Patents
Oil smoke catalytic decomposition treating apparatus for range hoods Download PDFInfo
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- CN1670434A CN1670434A CN 200410099198 CN200410099198A CN1670434A CN 1670434 A CN1670434 A CN 1670434A CN 200410099198 CN200410099198 CN 200410099198 CN 200410099198 A CN200410099198 A CN 200410099198A CN 1670434 A CN1670434 A CN 1670434A
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- pipe
- catalytic
- oxidation
- catalyst
- oil smoke
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Abstract
This invention provides a catalytic decomposition equipment of discharging oil smoke of oil smoke machine. Catalytic oxidation reactor is electric heating room and catalytic oxidation room one body vertical structure. It is consisted by catalytic oxidation pipe, electric heating inner pipe, outlet duct, reflow device, electric heating switch and catalyst. Catalytic oxidation pipe is thin wall metal pipe, it is pushed-in air exit as drawer type, electric heating inner pipe close cling to inner wall of catalytic oxidation pipe, oxidation catalyst is filled in electric heating pipe, electric heating switch is set at top part of electric heating inner pipe, reflow device is at front part of electric heating reactor, outlet pipe is at back part of catalytic reactor. The structure is compact, blower fan is used to degas, the power source is used to heat, oil smoke can be high efficiency and low temperature catalytic processed by the heating to gas when cooking. There is no secondary pollution and low consumption and energy saving.
Description
Technical field
The present invention relates to a kind of catalytic decomposition treating apparatus of range hood oil smoke, to reflux and two kinds of process for purifying of catalytic combustion combine, purifying processing device by connecting line and an integral body of adjustment control apparatus formation is used for the oil smoke of range hood exhaust outlet is carried out purified treatment.
Background technology
Existing purification of waste gas technology has:
1, static oil removing: oil smoke gas is introduced high voltage electric field, and oil smoke aerated particle thing to the dust collecting electrode motion, and deposits from oil smoke and removes under the electric field force effect.Characteristics are facility compact, and floor space is less relatively, and purification efficiency is higher, and pressure drop is less.But because oil smoke condensate viscosity is higher on the dust collecting electrode, often cause dust collecting electrode to clean difficulty, maintenance workload is increased, cause the fume purifying effect to descend.This method is only useful to the olesome in the oil smoke simultaneously, does not have the processing effect to endangering huge volatile organic matter.
2, wash-out: oil smoke gas is contacted with absorption liquid by special distribution device in gas-fluid, the particle in the oil smoke gas is removed in the liquid phase from gas phase.Advantage is to remove simultaneously the SO in the oil smoke
2, waste gas such as NOx, the purifying rate of particle is also higher, the little operating cost of floor space is low, but is subjected to the restriction of wet scrubber performance, and is lower to the particle purifying efficient of sub-micron, scrub raffinate still fails better to solve.
3, charcoal absorption: oil smoke in clarifier by the absorption of bigger specific surface area active carbon is arranged, to reach the pernicious gas in the purifying oil fume.The advantage of this method is that floor space is little, and purification efficiency is higher, can effectively remove pernicious gases such as oil smoke, peculiar smell, CO, carcinogenic substance, but causes pressure drop bigger because the particle viscosity of oil smoke is higher, and active carbon is saturated easily, causes operating cost to rise.
4, cyclonic separation: the centrifugal force that utilizes swirling eddy to produce makes the device of the particulate separation in the oil smoke.Major advantage is that equipment is simple, and pressure drop is less, and drawback is the particle removal rate of small particle diameter low, and owing to particle viscosity in the oil smoke is very big, the clean and maintenance workload is bigger.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, a kind of catalytic decomposition treating apparatus of range hood oil smoke is provided, have low energy, purification efficiency height, characteristics such as easy and safe to operate, be fit to the purification treatment of the characteristics that family's lampblack absorber air quantity is big, oil smoke concentration is low.
For realizing such purpose, the catalytic decomposition treating apparatus of the range hood oil smoke of the present invention's design mainly is made up of catalyst oxidation reactor and adjusting control two parts, it is the vertical structure of one that catalyst oxidation reactor adopts electrical heating chamber and catalytic oxidation chamber, by the catalytic oxidation pipe, pipe in the electrical heating, escape pipe, return channel, electrical heating switch and catalyst are formed.The catalytic oxidation pipe adopts thin metallic tubd, embed in the range hood exhaust outlet with the drawer form, pipe is close to the inwall of catalytic oxidation pipe in the electrical heating, casing pack is the oxidation catalyst of carrier with the ceramic honey comb in the electrical heating, the top of pipe is provided with the electrical heating switch in the electrical heating, return channel is positioned at the front end of catalyst oxidation reactor, and escape pipe is positioned at the rear end of catalytic reactor.Adjusting control section of the present invention utilizes the gauge tap of range hood to control the running status of exhaust blower, controls the unlatching of electrical heating switch in the catalyst oxidation reactor simultaneously.
During apparatus of the present invention work, start the range hood shift knob, the electrical heating switch of catalyst oxidation reactor also started when the lampblack absorber exhaust blower rotated, and the catalyst in the catalyst oxidation reactor is heated gradually and it is controlled at the temperature (200 ℃) of oil smoke catalytic oxidation.Off-gas flows cools off naturally by return channel, makes part fluid wherein drip condensation and is back to the oil catcher of lampblack absorber, and oil smoke enters the catalytic oxidation pipe then, is that harmless water and carbon dioxide makes air cleaning at this oil flue waste gas by catalyst oxidation.Produce a large amount of heat behind the oil smoke catalytic oxidation, this part heat energy can reduce electrically heated energy consumption.Purified gas is discharged by the gas outlet.The adsorption process of whole device adopts negative-pressure operation, can avoid organic exhaust gas overflowing at operation room.
Control section of the present invention can adopt manual operation, also can adopt PC, Programmable Logic Controller, electric elements to wait and realize automatic control.
The catalyst that uses among the present invention can be selected according to air quantity, and medium and small air quantity can be with the big catalyst of resistance, under big air quantity situation, mainly use bed resistance little with the oxidation catalyst of ceramic honey comb as carrier.
Compact conformation of the present invention adopts drawer-type structure directly to embed range hood, need not change the lampblack absorber size.Utilize the blower fan of range hood to carry out exhaust, utilize the power supply heating of range hood, to the heating of gas, high-efficiency low-temperature catalysis is handled oil smoke in the time of also can utilizing culinary art simultaneously.Be fit at the big (2000m of family's lampblack absorber air quantity
3/ h), the low (＜2000mg/m of oil smoke concentration
3) characteristics carry out purification treatment.The present invention's safety easy to use, the operation low-loss and energy-saving, the gas after the processing is safe and harmless, can not form secondary pollution to environment.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Among Fig. 1,1 is the catalytic oxidation pipe, and 2 are pipe in the electrical heating, and 3 is escape pipe, and 4 is return channel, and 5,6 are the electrical heating switch, and 7 is catalyst.
The specific embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is further described.
The present invention mainly is made up of catalyst oxidation reactor and adjusting control two parts, it is the vertical structure of one that catalyst oxidation reactor adopts electrical heating chamber and catalytic oxidation chamber, as shown in Figure 1, by catalytic oxidation pipe 1, pipe 2 in the electrical heating, escape pipe 3, return channel 4, the electrical heating switch 5 of catalytic reactor and 6 and catalyst 7 form.Catalytic oxidation pipe 1 adopts thin metallic tubd, embed in the range hood exhaust outlet with the drawer form, the inwall of being close to catalytic oxidation pipe 1 is a pipe 2 in the electrical heating, filling oxidation catalyst 7 in the pipe 2 in the electrical heating, the top of pipe 2 is provided with electrical heating switch 5 and 6 in the electrical heating, return channel 4 is positioned at the front end of catalyst oxidation reactor, and escape pipe 3 is positioned at the rear end of catalytic reactor.
Adjusting control section of the present invention utilizes the gauge tap of range hood to control exhaust blower operation to stop, electrical heating switch 5 and 6 unlatching in the control catalyst oxidation reactor.
The workflow of apparatus of the present invention is as follows:
Start the range hood shift knob, the electrical heating switch of catalyst oxidation reactor also started when the lampblack absorber exhaust blower rotated, and the catalyst in the catalyst oxidation reactor 7 is heated gradually and it is controlled at the temperature (200 ℃) of oil smoke catalytic oxidation.Off-gas flows cools off naturally by return channel 4, makes part fluid wherein drip condensation and is back to the oil catcher of lampblack absorber, and oil smoke enters catalytic oxidation pipe 1 then, is oxidized to harmless water and carbon dioxide and makes air cleaning by catalyst 7 at this oil flue waste gas.Produce a large amount of heat behind the oil smoke catalytic oxidation, this part heat energy can reduce electrically heated energy consumption.Purified gas is discharged by gas outlet 3.
Embodiment 1
The oil flue waste gas total concentration is about 100mg/L.Exhaust air rate is 1800m
3/ h installs cover exhaust gas purification and treatment device of the present invention, and the time of staying of oil flue waste gas in purifier was controlled in 3 seconds, administers back oil flue waste gas total concentration and reduces to about 2mg/L.
Embodiment 2
The oil flue waste gas total concentration is about 220mg/L.Exhaust air rate is 1200m
3/ h installs a cover exhaust gas purification and treatment device, and the time of staying of oil flue waste gas in purifier was controlled in 3 seconds, administers back oil flue waste gas total concentration and reduces to about 5mg/L.
Claims (3)
1, a kind of catalytic decomposition treating apparatus of range hood oil smoke, it is characterized in that forming by catalyst oxidation reactor and adjusting control two parts, it is the vertical structure of one that catalyst oxidation reactor adopts electrical heating chamber and catalytic oxidation chamber, by catalytic oxidation pipe (1), pipe (2) in the electrical heating, escape pipe (3), return channel (4), electrical heating switch (5,6) and catalyst (7) form, catalytic oxidation pipe (1) adopts thin metallic tubd, embed in the range hood exhaust outlet with the drawer form, pipe (2) is close to the inwall of catalytic oxidation pipe (1) in the electrical heating, pipe (2) interior filling oxidation catalysts (7) in the electrical heating, and the top of pipe (2) is provided with electrical heating switch (5 in the electrical heating, 6), return channel (4) is positioned at the front end of catalyst oxidation reactor, and escape pipe (3) is positioned at the rear end of catalytic reactor; Regulating control section utilizes the gauge tap of range hood to control the unlatching of electrical heating switch in the catalyst oxidation reactor (5,6).
2,, it is characterized in that described oxidation catalyst (7) is for being the oxidation catalyst of carrier with the ceramic honey comb according to the catalytic decomposition treating apparatus of the range hood oil smoke of claim 1.
3, according to the catalytic decomposition treating apparatus of the range hood oil smoke of claim 1, it is characterized in that described adjusting control section can adopt manual operation, also can adopt PC, Programmable Logic Controller or electric elements to realize automatic control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410099198XA CN100342178C (en) | 2004-12-29 | 2004-12-29 | Oil smoke catalytic decomposition treating apparatus for range hoods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410099198XA CN100342178C (en) | 2004-12-29 | 2004-12-29 | Oil smoke catalytic decomposition treating apparatus for range hoods |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1670434A true CN1670434A (en) | 2005-09-21 |
| CN100342178C CN100342178C (en) | 2007-10-10 |
Family
ID=35041795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200410099198XA Expired - Fee Related CN100342178C (en) | 2004-12-29 | 2004-12-29 | Oil smoke catalytic decomposition treating apparatus for range hoods |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100342178C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435969A (en) * | 2017-10-03 | 2017-12-05 | 吴联凯 | A kind of commercial kitchen fume purifying dust pelletizing system |
| CN108397782A (en) * | 2018-03-02 | 2018-08-14 | 徐州燃烧控制研究院有限公司 | A kind of volatile organic matter heatable catalytic combustion reactor and its method |
| CN115041017A (en) * | 2022-05-13 | 2022-09-13 | 南京都乐制冷设备有限公司 | Device and method for removing VOCs in closed area |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4954694A (en) * | 1989-01-31 | 1990-09-04 | Matsushita Electric Industrial Co., Ltd. | Cooking oven having function to automatically clean soils attached to inner walls thereof |
| JPH0518529A (en) * | 1991-07-11 | 1993-01-26 | Matsushita Electric Ind Co Ltd | Purification system for exhaust gas |
| CN2369785Y (en) * | 1999-05-25 | 2000-03-22 | 中国科学院成都有机化学研究所 | Catalytic purifier for kitchen fume |
| CN2445222Y (en) * | 2000-09-22 | 2001-08-29 | 曲振征 | Cooker hood |
| CN2506335Y (en) * | 2001-10-26 | 2002-08-21 | 深圳市先科环保有限公司 | Catalysing combustion oil fume purifier |
-
2004
- 2004-12-29 CN CNB200410099198XA patent/CN100342178C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435969A (en) * | 2017-10-03 | 2017-12-05 | 吴联凯 | A kind of commercial kitchen fume purifying dust pelletizing system |
| CN107435969B (en) * | 2017-10-03 | 2019-11-29 | 杭州福达医用设备有限公司 | A kind of commercial kitchen fume purifying dust pelletizing system |
| CN108397782A (en) * | 2018-03-02 | 2018-08-14 | 徐州燃烧控制研究院有限公司 | A kind of volatile organic matter heatable catalytic combustion reactor and its method |
| CN115041017A (en) * | 2022-05-13 | 2022-09-13 | 南京都乐制冷设备有限公司 | Device and method for removing VOCs in closed area |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100342178C (en) | 2007-10-10 |
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| SE01 | Entry into force of request for substantive examination | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071010 Termination date: 20101229 |