CN1724113A - Process for purifying oil fume - Google Patents

Process for purifying oil fume Download PDF

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Publication number
CN1724113A
CN1724113A CN 200510035588 CN200510035588A CN1724113A CN 1724113 A CN1724113 A CN 1724113A CN 200510035588 CN200510035588 CN 200510035588 CN 200510035588 A CN200510035588 A CN 200510035588A CN 1724113 A CN1724113 A CN 1724113A
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CN
China
Prior art keywords
oil smoke
purification
purifier
groove
binding domain
Prior art date
Application number
CN 200510035588
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Chinese (zh)
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CN100351002C (en
Inventor
郑汉林
邱郁彬
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郑汉林
邱郁彬
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Application filed by 郑汉林, 邱郁彬 filed Critical 郑汉林
Priority to CNB2005100355885A priority Critical patent/CN100351002C/en
Publication of CN1724113A publication Critical patent/CN1724113A/en
Application granted granted Critical
Publication of CN100351002C publication Critical patent/CN100351002C/en

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Abstract

A method for cleaning oil soot features that the oil soot is sucked into an apparatus composed of washing region, adsorptive region and gas-liquid separating region and in the apparatus the oil soot is cooled, washed, collided, collected and adsorbed while the clean air is separated for exhaustion. The liquid is continuously sprayed onto the porous material in adsorptive region to remove oil dirt and dust.

Description

A kind of fume purifying method
Technical field
The present invention relates to a kind of purification method of oil smoke, relate in particular to a kind of purification method that food and drink places such as hotel, restaurant, food processing is produced oil smoke.
Background technology
A large amount of oil smoke for food and drink place generations every day such as hotel, restaurant, food processings, way in the past is to adopt smoke exhaust ventilator that undressed oil smoke directly is discharged into the open air mostly, or dress one deck simple filtering net is just discharged the open air with oil smoke in smoke exhaust ventilator, and this causes serious pollution just for the environment of periphery; Along with the progressively reinforcement of people's environmental consciousness, increasing hotel, restaurant, dining room have begun that the oil smoke that its kitchen produces is carried out after certain purified treatment row again and have discharged outdoor.Oil smoke is carried out purified treatment, general way has wet cleaning or adsorption method for purifying, wet cleaning has adopts the water spray with the way that the greasy dirt in the oil smoke and flue dust carry out condensation, wash, gather, and the way that adopts the chemical liquid spray to make greasy dirt in the oil smoke and flue dust dissolving, saponification is also arranged; Adsorption method for purifying has and adopts fiber, active carbon etc. to purify as adsorbing medium, and the way that adopts Electrostatic Absorption also arranged.The clean-up effect of wet cleaning is generally not good, because the oil smoke of discharging with blower fan has bigger speed, can't fully contact with water or chemical liquid at short notice, so gather or dissolve insufficiently, causes clean-up effect not good enough; And adopt adsorbing mediums such as fiber, active carbon that oil smoke is adsorbed, because the viscosity of oil smoke self, the hole of adsorbing medium is very easily blocked, need often unpick and wash, as untimely cleaning, clean-up effect is just had a greatly reduced quality, but also can form dangerous disaster hidden-trouble, use very inconvenient; Adopt Electrostatic Absorption, the problem that also exists adsorbing medium often to clean, and since greasy dirt gather or oil smoke in aqueous vapor very easily cause and the short circuit of Electrostatic Absorption assembly bring very big potential safety hazard to the user.Adopt the fume purifier of fume of Electrostatic Absorption as some that release on the market recently, the voltage of its electrostatic generator is mostly about 1.5 ten thousand volts, because of in adsorption process, the gathering on absorbent module along with greasy dirt and flue dust, adsorption effect worse and worse, so some producer just the voltage of electrostatic generator is increased to 30,000 volts with on improve its adsorption effect, but high voltage like this, very easily be short-circuited under the environment that insulate fully can't guaranteeing, cause the generation of fire incident.The concentration of emission that the purification method of above-mentioned these simple functions, its clean-up effect generally can't reach the permission oil-containing flue gas body of State Environmental Protection Administration and State Administration for Quality Supervision and Inspection and Quarantine regulation is 2mg/m 3Standard.At present, the existing way that wet cleaning and two kinds of functions of adsorption cleaning are combined oil smoke is purified that adopts, but all exist or because of adsorbent equipment must often unpick and wash, use very inconvenient, or many because of purification assembly, the design unreasonable, influence clean-up effect, or because of purifying paths long, energy consumption is big, noise is also big, or has problems such as potential safety hazard because of purification process, makes it can not get applying.
Summary of the invention
The purpose of this invention is to provide a kind of safe in utilization, good purification, energy consumption is low, and the fume purifying method that need not often unpick and wash of purifier.
For realizing above purpose, purification method of the present invention comprises the steps:
(1) air inlet of one purifier sent into oil smoke by air exhauster;
(2) oil smoke is cooled, washs in the washing zone of purifier, and the part oil smoke gathers after colliding, sedimentation, makes first order purified treatment;
(3) oil smoke after the process first class purification is handled enters the binding domain of purifier, this binding domain is made of porous materials, spray head is equipped with in its upper end or lower end, oil smoke and spray liquid are by the hole of porous material, oil smoke is washed once more and is adsorbed at this, make second level purified treatment, simultaneously, greasy dirt and flue dust that spray liquid will be adsorbed on the porous material surface in time clean;
(4) the oil smoke tail gas after washing, absorption enters in the gas-liquid separation zone of purifier and dewaters, and discharges from the gas outlet of purifier at last;
Above-mentioned steps 2, step 3 can repeat to hocket as required.
For the surface that makes oil smoke and binding domain fully contact, above-mentioned porous material binding domain is to be provided with being formed by stacking vertical interlocking of fibre laminates of parallel groove by the surface, and the groove in each fibre laminates constitutes the hole that above-mentioned oil smoke and spray liquid pass through.
In order better to wash greasy dirt and the flue dust that is adsorbed on the fiberboard surface, the angle that above-mentioned spray head is installed is with its injection direction and consistent being as the criterion of fibre laminates groove trend from top to bottom.
Above-mentioned washing zone is to be made of the spraying that the fog-spray nozzle that is arranged on oil smoke passage top produces.
Oil smoke gathers rapidly in order to make, sedimentation, and the temperature of above-mentioned spraying is 0-10 ℃.
Above-mentioned cleaning solution and spray liquid can be water, also can be the chemical liquids that greasy dirt is had dissolving, saponification.
For the moisture in the oil smoke tail gas is fully absorbed, above-mentioned gas-liquid separation zone is vertically staggered being formed by stacking of fibre laminates that is provided with parallel groove by the surface, and the groove in each fibre laminates constitutes the passage of above-mentioned oil smoke tail gas.
For more thorough cleaning is adsorbed on the greasy dirt and the flue dust of fiber surface, above-mentioned purification method can increase step 5, promptly stops air exhauster work, improves the temperature of spray liquid, and binding domain is once sprayed again.
Fume purifying method of the present invention, integrate wet cleaning and adsorption cleaning function, oil smoke is being purified after supercooling, washing, collision and absorption efficiently, and in absorption, the hole of spray liquid by binding domain constantly arranged, both washed oil smoke once more by binding domain, the greasy dirt and the flue dust that will be adsorbed on porous material surface again in time clean, this method that will carry out synchronously the purification of the cleaning of adsorbing medium and oil smoke, when improving clean-up effect, can exempt the trouble that absorbent module must often be unpicked and washed, use very convenient; In addition, because binding domain adopts the surface to be provided with staggered being formed by stacking of fibre laminates of parallel groove, the groove of adjacent laminate constitutes some chambers that communicate and vary in size, make oil smoke and spray liquid in these chambers, form eddy current, thereby increase contact area with binding domain, shorten purifying paths, when improving clean-up effect, go back energy efficient.The present invention adopts fiber as adsorbing medium, has eliminated the potential safety hazard that adopts Electrostatic Absorption to bring, and uses fool proofly, is particularly suitable for the purification of food and drink places generation oil smoke such as hotel, restaurant, food processing.
Description of drawings
Fig. 1 is the structural representation of purifier that fume purifying method of the present invention uses.
Fig. 2 is the structural representation of binding domain in Fig. 1 purifier.
Specific embodiment
As shown in Figure 1, the purifier that the present invention uses is to offer air inlet 8, gas outlet 9 on left side, the right side of a casing, the casing top is provided with pipeline 4, the bottom is provided with return water tank 5, water pump 6, and the centre is arranged with washing, purifying zone 1, adsorption cleaning zone 2 and gas-liquid separated region 3 in parallel.The fog-spray nozzle 11 that washing, purifying zone 1 is located on the pipeline 4 by its upper end constitutes; The spray head 22 that adsorption cleaning zone 2 is located on the pipeline 4 by vertically superimposed fibre laminates 21 and fibre laminates top constitutes, fibre laminates 21 surfaces are provided with parallel groove, the groove of adjacent two fibre laminates is towards orthogonal, as shown in Figure 2, the angle that spray head is installed is with its injection direction and consistent being as the criterion of fibre laminates groove trend from top to bottom, and the groove in each fibre laminates becomes the passage of oil smoke and spray liquid process; Gas-liquid separation zone 3 is provided with by the surface that the fibre laminates of parallel groove are vertically staggered superimposedly to be constituted, and the groove in each fibre laminates constitutes the passage of oil smoke tail gas.Purifier also is provided with refrigeration unit 7, the refrigerator pipes 71 of refrigeration unit is positioned at return water tank 5, return water tank supplies water to water pump 6 on the one hand, water with washing, purifying zone and adsorption cleaning zone reclaims on the other hand, and the return water tank bottom is provided with the floss hole 51 and the impurity floss hole 52 of greasy dirt or flue dust.Above-mentioned washing zone 1 and binding domain 2 can repeat to be arranged alternately as required.
Purification method of the present invention is: refrigeration unit 7 refrigeration, make the water temperature in the return water tank 5 reduce to 0-10 ℃ by refrigerator pipes 71, and be evacuated to pipeline 4 by water pump 6, make fog-spray nozzle 11 and spray head 22 produce water smoke and water pouring liquid, utilize the air inlet of air exhauster with oil smoke suction purifier, oil smoke meets with the lower water smoke of temperature in washing, purifying zone 1 earlier, cooling rapidly, washing, gather after the collision of part oil smoke, be deposited in the return water tank, the part oil smoke enters adsorption cleaning zone 2, oil smoke in binding domain respectively along the fibre laminates difference towards groove be divided into some roads air-flow, because the chamber that adjacent laminate constitutes not only communicates, and the size of adjacent chamber presents alternately variation, oil smoke and the current continuous eddy current that forms these chambers that sprays from spray head, fully contact with groove walls, both helped the washing again of oil smoke, absorption, can in time greasy dirt and the flue dust that is adsorbed on groove walls be cleaned again, the cleaning fluid that has greasy dirt and flue dust enters return water tank, at this moment, through washing, the oil smoke of absorption secondary purification, contained greasy dirt and flue dust are considerably less, can carry out once washing as required again, the process of absorption, also can directly enter gas-liquid separation zone 3, enter the oil smoke in gas-liquid separation zone, steam is absorbed by the fiberboard surface, and gas is directly discharged through the gas outlet of purifier.
For more thorough cleaning is adsorbed on the greasy dirt and the flue dust of fiber surface, can after quitting work, air exhauster close refrigeration unit, and water temperature is gone up, binding domain is once sprayed again.
Fume purifying method of the present invention through test repeatedly, proves that its clean-up effect is very good, purifies the gas that discharge the back through once washing, adsorption process, record contain oil smoke concentration less than 2.0mg/m 3, be lower than the concentration of emission of permission oil-containing flue gas body of State Environmental Protection Administration and State Administration for Quality Supervision and Inspection and Quarantine regulation, in addition, the adsorbing medium fibre laminates, after using some months, the oil smoke passage that its surface groove forms is still very unimpeded, is not stopped up by greasy dirt and flue dust.Adopt fume purifying method of the present invention, not only good purification, and operating cost is low, maintenance is simple.

Claims (9)

1, a kind of purification method of oil smoke comprises the steps:
(1) air inlet of one purifier sent into oil smoke by air exhauster;
(2) oil smoke is cooled, washs in the washing zone of purifier, and the part oil smoke gathers after colliding, sedimentation, obtains first order purified treatment;
(3) oil smoke behind the process first class purification enters the binding domain of purifier, this binding domain is made of porous materials, spray head is equipped with in its upper end or lower end, oil smoke and spray liquid are by the hole of porous material, oil smoke is washed once more and is adsorbed at this, make second level purified treatment, simultaneously, greasy dirt and flue dust that spray liquid will be adsorbed on porous material surface in time clean;
(4) the oil smoke tail gas after washing, absorption enters in the gas-liquid separation zone of purifier and dewaters, and discharges from the gas outlet of purifier at last;
Above-mentioned steps (2), step (3) can repeat to hocket as required.
2, purification method according to claim 1, it is characterized in that: described porous material binding domain is vertically staggered being formed by stacking of fibre laminates that is provided with parallel groove by the surface, and the groove in each fibre laminates constitutes the hole that described oil smoke and spray liquid pass through.
3, purification method according to claim 2 is characterized in that: the angle that described spray head is installed is with its injection direction and consistent being as the criterion of fibre laminates groove trend from top to bottom.
4, purification method according to claim 1 and 2 is characterized in that: described washing zone is to be made of the spraying that the fog-spray nozzle that is arranged on oil smoke passage top produces.
5, purification method according to claim 4 is characterized in that: the temperature of described spraying is 0-10 ℃.
6, purification method according to claim 1 and 2 is characterized in that: described cleaning solution and spray liquid are water.
7, purification method according to claim 1 and 2 is characterized in that: described cleaning solution and spray liquid are the chemical liquids that greasy dirt is had dissolving, saponification.
8, purification method according to claim 1 and 2 is characterized in that: described gas-liquid separation zone is vertically staggered being formed by stacking of fibre laminates that is provided with parallel groove by the surface, and the groove in each fibre laminates constitutes the passage of oil smoke tail gas.
9, purification method according to claim 1 and 2 is characterized in that: described purification method can increase step 5, promptly stops air exhauster work, improves the temperature of spray liquid, and binding domain is once sprayed again.
CNB2005100355885A 2005-06-24 2005-06-24 Process for purifying oil fume CN100351002C (en)

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Application Number Priority Date Filing Date Title
CNB2005100355885A CN100351002C (en) 2005-06-24 2005-06-24 Process for purifying oil fume

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Application Number Priority Date Filing Date Title
CNB2005100355885A CN100351002C (en) 2005-06-24 2005-06-24 Process for purifying oil fume

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CN1724113A true CN1724113A (en) 2006-01-25
CN100351002C CN100351002C (en) 2007-11-28

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103084030A (en) * 2012-12-29 2013-05-08 苏州韩博厨房电器科技有限公司 Separation device for removing oil drops on silk screen through colliding
CN103084031A (en) * 2012-12-29 2013-05-08 苏州韩博厨房电器科技有限公司 Spraying device of oil removing solvent
CN103084029A (en) * 2012-12-29 2013-05-08 苏州韩博厨房电器科技有限公司 Lampblack purifier
CN103126544A (en) * 2011-11-29 2013-06-05 阿尔托-沙姆有限公司 Grease handling apparatus for closed system type oven
CN105546589A (en) * 2015-12-13 2016-05-04 常州市利众环保科技有限公司 Heating kitchen
CN106896002A (en) * 2017-05-10 2017-06-27 青岛明华电子仪器有限公司 Smoke dust sampling dehydration device
CN109589720A (en) * 2018-12-10 2019-04-09 黄绍荣 A kind of oil fume eliminator
CN110440319A (en) * 2017-11-03 2019-11-12 上海爱餐机器人(集团)有限公司 Cooking machine Lampblack treatment system and cooking machine

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102705884B (en) * 2012-06-20 2014-10-01 李国基 Whole-purification smoke exhaust ventilator

Family Cites Families (3)

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Publication number Priority date Publication date Assignee Title
CN1176323C (en) * 2002-04-02 2004-11-17 肖德新 Automatic cooking fumes cleaning machine
CN2555913Y (en) * 2002-04-17 2003-06-18 杨三民 Oil fume purifier
CN1482400A (en) * 2002-09-11 2004-03-17 萧明训 Environment-friendly fume and flue gas dispelling apparatus

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103126544A (en) * 2011-11-29 2013-06-05 阿尔托-沙姆有限公司 Grease handling apparatus for closed system type oven
CN103126544B (en) * 2011-11-29 2016-08-10 阿尔托-沙姆有限公司 A kind of baking box and the method for operation of oven
CN103084030A (en) * 2012-12-29 2013-05-08 苏州韩博厨房电器科技有限公司 Separation device for removing oil drops on silk screen through colliding
CN103084031A (en) * 2012-12-29 2013-05-08 苏州韩博厨房电器科技有限公司 Spraying device of oil removing solvent
CN103084029A (en) * 2012-12-29 2013-05-08 苏州韩博厨房电器科技有限公司 Lampblack purifier
CN105546589A (en) * 2015-12-13 2016-05-04 常州市利众环保科技有限公司 Heating kitchen
CN106896002A (en) * 2017-05-10 2017-06-27 青岛明华电子仪器有限公司 Smoke dust sampling dehydration device
CN106896002B (en) * 2017-05-10 2019-07-02 青岛明华电子仪器有限公司 Smoke dust sampling dehydration device
CN110440319A (en) * 2017-11-03 2019-11-12 上海爱餐机器人(集团)有限公司 Cooking machine Lampblack treatment system and cooking machine
CN109589720A (en) * 2018-12-10 2019-04-09 黄绍荣 A kind of oil fume eliminator

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