CN103953956A - Air multiplication-based condensation adsorption ionization purification cooking fume treatment system - Google Patents
Air multiplication-based condensation adsorption ionization purification cooking fume treatment system Download PDFInfo
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Abstract
The invention discloses an air multiplication-based condensation adsorption ionization purification cooking fume treatment system which comprises a case (1) and an exhaust channel, wherein a suction device, a condensation adsorption recovery device and a flue gas ionization purification device are sequentially arranged in the case (1) from the left to right; and the suction device is connected with the condensation adsorption recovery device through an Archimedes spiral channel (6). According to the system, harmless emission of the treated flue gas is realized, the environment is protected, and the system can be applied to household cooking fume treatment.
Description
Technical field
The invention belongs to environmental protection and energy saving field, relate to a kind of also oil smoke treatment system of purifying oil fume of removing, particularly a kind of condensation adsorption ionization purifying oil fume treatment system based on air multiplication.
Background technology
Industrial waste gas, motor-vehicle tail-gas and oil smoke are regarded as causing three large " killers " of atmosphere pollution.In family cooking, can produce a large amount of oil smoke harmful, contaminated environment, the ashes floating dust that in the sulfide producing as fuel combustion, imperfect combustion aliphatic acid, tar or 3,4-benzo pyrrole, free radical fuel, not clean-burning carbon granule, fuel combustion form, edible oil high temperature oil droplet oil vapour etc.In these compositions that oil smoke comprises, mostly people's skin, respiratory mucosa (oral cavity, nasal cavity etc.), eyes are had to stronger spread effect, even there is stronger carcinogenesis (as 3,4---benzo pyrrole).If people for a long time in the higher environment of oil smoke concentration, healthy will certainly being affected.Oil smoke is just discharged into outdoor without any processing afterwards; brought pollution not only to surrounding resident living environment; and in oil smoke, contained a large amount of hydrocarbon emissions, in atmosphere, are very easily mixed to form pellet with other dust, destroy air quality situation.
At present, existing household smoke exhaust ventilator is mainly to install motor and fan additional at box house, by motor reversal, flabellum, rotates to form suction negative pressure, realizes the pumping function to oil smoke, and oil smoke is unprocessed is directly discharged in outdoor atmosphere.This Smoking regime, can be adsorbed on flabellum through in box house at oil smoke, and accumulation for a long time causes fan work ability to reduce, and noise increases, and needs regularly it to be cleaned, and cleaning process wastes time and energy.On the other hand, because oil smoke separation is not thorough, a large amount of oil-contg. smokes pollute outdoor air, are unfavorable for protection of the environment.
In recent years,, internal contamination serious shortcoming unclean for suction, domesticly obtained certain progress: Yang Lei etc. have adopted a kind of method that strengthens smoke pumping effect, make the negative pressuren zone forming concentrate and to downward-extension, be equivalent to the suspension height of traditional lampblack absorber to reduce, smoke pumping successful (Yang Lei, Tang person of outstanding talent, Xia Zhaoyang, A Ya Dengen, strengthen method, device and the smoke exhaust ventilator of smoke pumping effect, application number: CN201110445627.4); Wang Fasheng adopts a kind of Oil-gas Separation technology, separation, purification that can multi-stage, efficient rate when carrying out fume purifying, realization on greasy dirt at any time with de-with row, reduce the impact (Wang Fasheng of oil smoke on surrounding enviroment, gas and oil separating plant and a smoke exhaust ventilator, application number: CN201210146341.0).The technical scheme that these patent documentations are announced is only limited in one aspect, cannot realize people for whole requirements of environmental protection, and be difficult to reduce energy consumption simultaneously.
Summary of the invention
Technical problem to be solved by this invention is: a kind of condensation adsorption ionization purifying oil fume treatment system based on air multiplication is provided, this oil smoke treatment system is converted into innocuous gas by harmful oil smoke and discharges, and realizes the secondary recovery to fluid when reducing energy consumption.
The technical scheme that technical solution problem of the present invention adopts is:
Condensation adsorption ionization purifying oil fume treatment system based on air multiplication provided by the invention, it comprises casing and exhaust passage, in casing, be provided with successively from left to right aspirator, condensation adsorption recovery apparatus and flue gas ionizing purifier, between aspirator and condensation adsorption recovery apparatus, by spiral of Archimedes shape passage, be connected.
Described aspirator can be by the exhaust fume collecting hood that is positioned at flue gas ionizing purifier suction inlet place, be positioned at the screen pack at exhaust fume collecting hood air inlet place, be arranged on exhaust fume collecting hood inside and be positioned at the screen pack oil smoke aspirator based on air multiplication principle below, and forming with the centrifugal fan that oil smoke aspirator is connected by pipeline.
Described screen pack can be contained in exhaust fume collecting hood air inlet place by clamp ring.
The side of described oil smoke aspirator can be provided with the intensive small gap for Air Flow.
Described condensation adsorption recovery apparatus comprises that oil smoke condensation absorption reclaims casing, cold plate, recovery oil pipe, reclaims lubricating cup, wherein: casing is reclaimed in described oil smoke condensation absorption, connects spiral of Archimedes shape passage before it; Below it, communicate with recovery oil pipe; Its inside is fixedly linked by pipeline and cold plate; Its back side is connected with flue gas ionizing purifier through jitty.
On described cold plate, can have oil groove and oilhole, the fluid under condensation can import in lubricating cup along oil groove, and uncooled oil smoke enters in sorbing material by oilhole, and sorbing material is arranged on oil smoke condensation absorption by mesh plate and reclaims in the inside of casing.
The electro-dissociator that described flue gas ionizing purifier can purify the flue gas of filter screen and annular by oil fume-purifying box body, soot gas forms, and oil fume-purifying box body rear portion is connected to smoke exhaust pipe, and last treated flue gas is entered outdoor.
Described soot gas purifies screen support on oil fume-purifying box body, and this soot gas purifies filter screen and is enclosed in electro-dissociator outside.
The above-mentioned condensation adsorption ionization purifying oil fume treatment system based on air multiplication provided by the invention, its purposes is: the application in family's cooking fume is processed.
The above-mentioned condensation adsorption ionization purifying oil fume treatment system based on air multiplication provided by the invention, in the process that Qi family cooking fume is processed, can utilize the air multiplication principle in aerodynamics, the mode that adopts high-speed jet to form negative pressure realizes the collection to family cooking oil smoke, through high efficiency resin fibrous material condensation adsorption, reclaim and after the ionization of gas oil smoke purifies and decompose, reduce consume energy in by oil smoke harmless discharge.
The present invention compared with prior art has following major advantage:
1. the shortcomings such as it is unclean that apparatus of the present invention have obviously been improved existing household smoke exhaust ventilator suction, and pumping efficiency is low, and oil smoke is excessive.Pumping efficiency contrast is as shown in table 1, and aspirating as can be seen from Table 1 negative pressure obviously increases.
2. flabellum is rotated to form to low-pressure suction oil smoke, change the suction based on air multiplication into, cancelled blade structure, overcome because of shortcomings such as vibration that flabellum adhesion greasy dirt produces, noise, energy consumption increases.
3. suction channel is spiral of Archimedes shape, and the spiral yarn shaped beeline channel oil smoke of having avoided flows backwards, and can realize the gas of suction along the even break-in of passage, and linear loss is very little, and the transition of flowing is steady, gas flow continuous uniform.
4. the remaining oil smoke that enters apparatus for treating cooking fume is carried out to the fixing recovery of condensation, guaranteed the clean of whole device internal structure, improve its service life.
5. remaining flue gas is ionized to decomposition, oxidation disinfection, environment has been protected in tail gas hazard-free discharge.
Accompanying drawing explanation
Fig. 1 is unitary construction schematic diagram of the present invention.
Fig. 2 is suction inlet structure left view of the present invention.
Fig. 3 is the oil smoke aspirator structure chart based on air multiplication of the present invention.
Fig. 4 is the structural map of oil smoke condensation absorbing recovery device of the present invention.
Fig. 5 is flue gas ionizing purifier unitary construction figure of the present invention.
Fig. 6 is the Flow Field Distribution figure that oil smoke aspirator of the present invention produces.
In figure: 1. casing; 2. exhaust fume collecting hood; 3. screen pack; 4. oil smoke aspirator; 5. centrifugal fan; 6. spiral of Archimedes shape passage; 7. casing is reclaimed in oil smoke condensation absorption; 8. cold plate; 9. sorbing material; 10. reclaim oil pipe; 11. lubricating cups; 12. jitties; 13. oil fume-purifying box bodies; 14. soot gas purify filter screen; 15. electro-dissociators; 16. smoke exhaust pipes.
The specific embodiment
Condensation adsorption ionization purifying oil fume treating apparatus based on air multiplication provided by the invention, the oil smoke aspirator of utilization based on air multiplication, the suction of realization to oil smoke, through condensation adsorption reclaim and flue gas ionization decomposition after, by oil smoke harmless discharge in environment.
Below in conjunction with embodiment and accompanying drawing, specific embodiment of the invention is further described, but does not limit the present invention.
Condensation adsorption ionization purifying oil fume treatment system based on air multiplication provided by the invention, its structure as shown in Figure 1, comprise casing 1 and exhaust passage, in casing 1, be provided with successively from left to right aspirator, condensation adsorption recovery apparatus and flue gas ionizing purifier.Between aspirator and condensation adsorption recovery apparatus, by spiral of Archimedes shape passage, be connected.
Described aspirator is mainly comprised of the oil smoke aspirator and the cfentrifugal blower that double based on air, having eliminated traditional smoke exhaust ventilator turbine increases, cleans the problems such as inconvenience because of the vibration that produces of adhesion greasy dirt, noise, power consumption, and has reduced the power of prime mover.The concrete structure of this aspirator as shown in Figure 2, by be positioned at suction inlet place exhaust fume collecting hood 2, be positioned at the first screen pack 3 of the oil smoke at exhaust fume collecting hood 2 air inlet places, to be arranged on exhaust fume collecting hood inner and be positioned at the screen pack 3 oil smoke aspirator 4 based on air multiplication principle below, and centrifugal fan 5 forms; Its function is to reduce the diffusion of oil smoke, and the high efficiency suction that completes oil smoke, makes it to enter into oil smoke treatment and purification device and go.Centrifugal fan 5 is connected with the oil smoke aspirator 4 based on air multiplication by pipeline.
Described casing 1 is general frame.
Described exhaust fume collecting hood 2 major functions are the cushioning effects that realize institute's fume-exhausting, prevent oil smoke diffusion.
Described screen pack 3 major functions are to realize entering the first filtration of the oil smoke for the treatment of apparatus, and it can reduce the density of oil smoke in access to plant on the one hand, the fluid of filtration can be reclaimed on the other hand.This screen pack is contained in exhaust fume collecting hood 2 air inlet places by clamp ring.This screen pack and oil smoke aspirator 4 one work, and have realized oil fume extracting opening place fan-free, have eliminated fan and have produced the shortcomings such as vibration, noise, power consumption increase because of adhesion greasy dirt, and absorption efficiency is high.
As shown in Figure 3, major function is the efficient suction realizing oil smoke to the described oil smoke aspirator 4 based on air multiplication.It is driven by centrifugal fan 5, and there are some intensive small gap oil smoke aspirator side, and due to finedraw throttling, air stream is close to inwall mobile time because Kang Enda effect exists, and drives the Air Flow of general 15 times around to form negative pressure.Therefore, article one, the wind speed that narrow and small finedraw brings out is just enlarged markedly, and the region that produces negative pressure is placed in to suction inlet place, can realize the object of suction oil smoke, as shown in Figure 6, its suction negative pressure flow field is obviously exaggerated the Flow Field Distribution figure that it produces as can be seen from Figure.
Described condensation adsorption recovery apparatus as shown in Figure 4, adsorbs by oil smoke condensation the sorbing material 9, recovery oil pipe 10, the recovery lubricating cup 11 that reclaim casing 7, cold plate 8, complete oil smoke absorption recovery and forms.Casing 7 is reclaimed in oil smoke condensation absorption, connects spiral of Archimedes shape passage 6 before it; Below it, communicate with recovery oil pipe 10; Its inside is fixedly linked by pipeline and cold plate 8, and by mesh plate, sorbing material 9 is installed; Its back side is connected with flue gas ionizing purifier through jitty 12.
Described cold plate 8 major functions are to realize the condensation of oil smoke to fix.On this cold plate 8, have oil groove and oilhole, the fluid under condensation can import in lubricating cup 11 along oil groove, and uncooled oil smoke enters in sorbing material 9 by oilhole.
Described sorbing material 9, oil smoke is adsorbed to recycling, and sorbing material is reusable.This sorbing material adopts a kind of high efficiency resin with nano aperture, by nonwoven being immersed in the solution of lipophile monomer, initator, crosslinking agent, solution molecule is fully penetrated into the inside of nonwoven, cross-linking reaction occurs under microwave irradiation and form oil-absorbing polymer and be carried on non-woven fabrics fiber.There is adsorption capacity large, the organic matter that adsorbable own wt is 15 times, and adsorption rate fast, hold the advantages such as oiliness is good, realize well the second adsorption to oil smoke, reduced the density that oil smoke enters ionization device.
Described recovery oil pipe 10 major functions are that the oil smoke being condensed is flowed to lubricating cup 11 along oil return pipe.
Described lubricating cup 11 adopts funnel-form design, facilitates the secondary recovery of fluid.
Described flue gas ionizing purifier as shown in Figure 5, is comprised of oil fume-purifying box body 13, soot gas purification filter screen 14 and electro-dissociator 15.After oil fume-purifying box body 13, be connected to smoke exhaust pipe 16, last treated flue gas is entered outdoor.。
Described soot gas purifies filter screen 14, and major function is to handled flue gas aseptic, tail gas hazard-free discharge.Soot gas purifies filter screen 14 and is supported on oil fume-purifying box body 13, and this soot gas purifies filter screen 13 and is enclosed in outside annular flue gas electro-dissociator 15.
Described electro-dissociator 15, ionizing purifier is comprised of polarized area and collecting region two parts.At polarized area, high-voltage rectifying electric supply installation produces negative high voltage, puts between corona discharge electrode and pole plate, produces a huge inhomogeneous high voltage electric field between both positive and negative polarity.When voltage is elevated to the discharge inception voltage of electrode when above, sparking electrode produces corona discharge, and the gas in corona discharge electrode near zone is ionized and produces cation and free electron.Under the effect of high voltage electric field, these free electrons or ion motion speed are accelerated, and when they collide with neutral gas molecule, its energy is enough to make it to discharge other free electron, thereby produces new cation and free electron.When the granule aerosol with pollutant passes through electric field, free electron and cation will constantly collide at the volley and be adsorbed onto on soot particles, thereby make oil smoke charged.
Charged soot particles, through polarized area, enters collecting region.Collecting region is comprised of parallel plate electrode, and charged soot particles is subject to the effect of electric field force and to the pole plate deflection electrically contrary with self, finally hits on pole plate between pole plate, by pole plate, caught, and partially carbonized.Meanwhile, the high voltage electric field oxious component of effectively degrading, plays sterilization, taste removal effect.
Described electro-dissociator 15, the method that its electric-field intensity is calculated is: between discharge electrode, add certain voltage, at electrode place, start to occur corona discharge, voltage now and electric-field intensity are called corona inception voltage and the initial electric-field intensity of corona.
Electrode surface produces the initial field intensity E of corona discharge
ccan be determined by PEEK law:
E
C＝3100fδ[1+k/(δr)
1/2](KV/m)
In formula: f is discharge electrode surface roughness coefficient, gets 0.8; K=3.08 * 10
-2(m
1/2);
R is the radius of curvature of discharge electrode; Get 0.2mm; δ is the relative density of gas; Get 0.98;
Relation between the relative density δ of gas and air pressure P can be expressed as:
In formula: ρ
pand ρ
0be respectively air pressure P and canonical reference atmospheric pressure P
0under atmospheric density; T is gas temperature.
In single corona wire-plate electrode structure, corona inception voltage V
ccan be expressed as follows:
V
C＝rE
Cln(4s/πr)
In formula: s is line-plate electrode spacing, gets 30mm;
According to rating formula: P=UI
In formula: U is arcing voltage, I is corona current;
In ionizing purifier, be equipped with multipair battery lead plate, voltage supplied is 220V, and nominal power is 40W.
F gets 0.8, r and gets 0.2mm, P ≈ P
0, t gets 25 ℃, and s gets 30mm,
Calculate δ=0.98, E
c=7777KV/m, V
c=8.2KV.So just can work when the minimum voltage of high voltage electric field is 8.2KV.
Described electro-dissociator 15, the high-energy electric field of its generation, the ionization such as the sulfide in oil smoke, imperfect combustion aliphatic acid, benzo pyrrole, free radical are decomposed into less particle, these particles decompose under the effect of high voltage electric field in company with not clean-burning carbon granule and carbon monoxide (CO) etc. in fuel, generate primary product carbon dioxide (CO
2) and steam, and a small amount of ashes floating dust, finally through smoke exhaust pipe 16, discharge.
Described spiral of Archimedes shape oil smoke passage 6, links together exhaust fume collecting hood 2 air inlets and condensation adsorption recovery apparatus.Its spiral yarn shaped beeline channel oil smoke of having avoided flows backwards, and reduces backflow and the drag losses of oil smoke, can realize the gas of suction along the even break-in of passage, and linear loss is very little, and the transition of flowing is steady, gas flow continuous uniform.
The above-mentioned condensation adsorption ionization purifying oil fume treatment system based on air multiplication provided by the invention, its purposes is: the application in family's cooking fume is processed.
The above-mentioned condensation adsorption ionization purifying oil fume treatment system based on air multiplication provided by the invention, unclean for present family expenses smoke extractor suction, internal contamination is serious, without shortcomings such as discharging processing devices, propose, in the process that Qi family cooking fume is processed, can utilize the air multiplication principle in aerodynamics, the mode that adopts high-speed jet to form negative pressure realizes the collection to family cooking oil smoke, after the condensation adsorption recovery of the sorbing material 9 of making through high efficiency resin fibrous material and the ionization of gas oil smoke purify and decompose, when reducing power consumption, oil smoke harmless discharge is extremely outdoor.
Described air multiplication principle refers to the air-spray that utilizes one high-speed motion, air stream is close to inwall mobile time and because Coanda effect exists, is driven the Air Flow of general 15 times around, the negative pressure region producing at nozzle rear, suction ambient air.
Condensation adsorption ionization purifying oil fume treatment system based on air multiplication provided by the invention, its course of work is:
First the oil smoke of culinary art passes through filter screen (being positioned at suction inlet place), makes to suck oil smoke partial condensation and becomes drop, and flow in recovered oil cup under the effect of gravity, plays the effect that ground floor condensation is reclaimed; Remaining oil smoke enters condensation adsorption device, and oil smoke is after condensation, and the high efficiency resin sorbing material that liquid oil droplet is laid on metallic plate carries out comprehensively absorption recovery, and after this device, liquid oil smoke is all adsorbed; Last remaining gaseous state flue gas enters ionizing purifier, and charged soot particles is subject to the effect of electric field force and to the pole plate deflection electrically contrary with self, finally by pole plate, is caught between pole plate, and partially carbonized discharge.Meanwhile, the high-voltage electrostatic field oxious component of effectively degrading, plays sterilization, taste removal effect, finally discharges pollution-free gas.
Two kinds of apparatus for treating cooking fume suction effect contrasts of table 1
| Smoking regime | Form | Power W | Suction negative pressure Pa |
| Air High Rotation Speed forms negative pressure | The suction of lampblack absorber turbine | 210 | 320 |
| Air high-speed jet forms negative pressure | Air blast and oil smoke aspirator combination suction | 171 | 531 |
Claims (10)
1. the condensation adsorption based on air multiplication ionizes purifying oil fume treatment system, it is characterized in that comprising casing (1) and exhaust passage, in casing (1), be provided with successively from left to right aspirator, condensation adsorption recovery apparatus and flue gas ionizing purifier, between aspirator and condensation adsorption recovery apparatus, by spiral of Archimedes shape passage (6), be connected.
2. condensation adsorption according to claim 1 ionizes purifying oil fume treatment system, it is characterized in that: aspirator is by the exhaust fume collecting hood (2) that is positioned at flue gas ionizing purifier suction inlet place, be positioned at the screen pack (3) at exhaust fume collecting hood (2) air inlet place, be arranged on exhaust fume collecting hood inside and be positioned at screen pack (3) the oil smoke aspirator (4) based on air multiplication principle below, and the centrifugal fan (5) being connected with oil smoke aspirator (4) by pipeline forms.
3. condensation adsorption ionization purifying oil fume treatment system according to claim 2, is characterized in that: screen pack (3) is contained in exhaust fume collecting hood (2) air inlet place by clamp ring.
4. condensation adsorption ionization purifying oil fume treatment system according to claim 2, is characterized in that: the side of oil smoke aspirator (4) is provided with the intensive small gap for Air Flow.
5. condensation adsorption according to claim 1 ionizes purifying oil fume treatment system, it is characterized in that described condensation adsorption recovery apparatus comprises oil smoke condensation absorption recovery casing (7), cold plate (8), reclaims oil pipe (10), reclaims lubricating cup (11), wherein: casing (7) is reclaimed in described oil smoke condensation absorption, before it, connect spiral of Archimedes shape passage (6); Below it, communicate with recovery oil pipe (10); Its inside is fixedly linked by pipeline and cold plate (8); Its back side is connected with flue gas ionizing purifier through jitty (12).
6. condensation adsorption according to claim 5 ionizes purifying oil fume treatment system, it is characterized in that having oil groove and oilhole on described cold plate (8), fluid under condensation can import in lubricating cup (11) along oil groove, uncooled oil smoke enters in sorbing material (9) by oilhole, and sorbing material (9) is arranged on oil smoke condensation absorption by mesh plate and reclaims in the inside of casing (7).
7. condensation adsorption according to claim 1 ionizes purifying oil fume treatment system, it is characterized in that the electro-dissociator (15) that described flue gas ionizing purifier purifies filter screen (14) and annular flue gas by oil fume-purifying box body (13), soot gas forms, oil fume-purifying box body (13) rear portion is connected to smoke exhaust pipe (16), and last treated flue gas is entered outdoor.
8. condensation adsorption according to claim 7 ionizes purifying oil fume treatment system, it is characterized in that described soot gas purifies filter screen (14) and is supported on oil fume-purifying box body (13) above, this soot gas purifies filter screen (13) and is enclosed in electro-dissociator (15) outside.
9. the application of condensation adsorption ionization purifying oil fume treatment system described in arbitrary claim in claim 1 to 8, is characterized in that the application in family's cooking fume is processed.
10. application according to claim 9, it is characterized in that utilizing the air multiplication principle in aerodynamics, the mode that adopts high-speed jet to form negative pressure realizes the collection to family cooking oil smoke, through high efficiency resin fibrous material condensation adsorption, reclaim and after the ionization of gas oil smoke purifies and decompose, reduce consume energy in by oil smoke harmless discharge.
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| CN108079720A (en) * | 2017-12-23 | 2018-05-29 | 浙江骏辉环保科技有限公司 | Fume purifying mechanism |
| CN109114609A (en) * | 2018-08-22 | 2019-01-01 | 安徽信息工程学院 | A kind for the treatment of apparatus for exhaust gas of oil smoke |
| CN109405018A (en) * | 2018-11-30 | 2019-03-01 | 江苏瑞丰科技实业有限公司 | A kind of separation of oil smoke and flue gases purification |
| CN109899851A (en) * | 2019-03-27 | 2019-06-18 | 浙江远旺电力设备有限公司 | Fume purifying all-in-one machine |
| CN110052330A (en) * | 2019-05-27 | 2019-07-26 | 北京圣喻环保科技有限公司 | A kind of lampblack purifying system |
| WO2020110160A1 (en) * | 2018-11-26 | 2020-06-04 | Eurotecnica S.R.L. | Electrostatic condensation suction hood |
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| CN110052330A (en) * | 2019-05-27 | 2019-07-26 | 北京圣喻环保科技有限公司 | A kind of lampblack purifying system |
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Application publication date: 20140730 |