CN104906910A - Paint mist purifying device - Google Patents

Paint mist purifying device Download PDF

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Publication number
CN104906910A
CN104906910A CN201510354324.XA CN201510354324A CN104906910A CN 104906910 A CN104906910 A CN 104906910A CN 201510354324 A CN201510354324 A CN 201510354324A CN 104906910 A CN104906910 A CN 104906910A
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China
Prior art keywords
coating cloud
gas
paint mist
purification treatment
treatment device
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CN201510354324.XA
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Chinese (zh)
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CN104906910B (en
Inventor
王宗明
吴灵龙
盛挺松
刘涛
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SAIC Volkswagen Automotive Co Ltd
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Shanghai Volkswagen Automotive Co Ltd
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Priority to CN201510354324.XA priority Critical patent/CN104906910B/en
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  • Electrostatic Spraying Apparatus (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)

Abstract

The invention discloses a paint mist purifying device. The paint mist purifying device comprises a paint mist resistance conditioner, a static electricity separator, a paint mist catcher and a curtain collector and an outlet, wherein the paint mist resistance conditioner, the static electricity separator, the paint mist catcher and the curtain collector are communicated in sequence from top to bottom, and the curtain collector is also communicated with the outlet. Paint mist gas sequentially passes through the paint mist resistance conditioner, the static electricity separator, the paint mist catcher and the curtain collector, paint particles in the paint mist gas are separated from gas and are collected, and the gas is discharged from the outlet. According to the paint mist purifying device disclosed by the invention, firstly, the gas characteristics of the paint mist gas can be regulated, the electrical charge efficiency of the paint mist gas can be promoted, and the paint particles can be effectively captured by subsequently applying pulse high voltage, so that the purifying efficiency and the purifying effect of the paint mist purifying device can be promoted.

Description

Paint mist purification treatment device
Technical field
The present invention relates to lacquer spraying technique field, more particularly, relate to the purification treatment technology of coating cloud.
Background technology
Lacquer spraying technique be widely used in the material surfaces such as metal, plastics, timber anticorrosion and decoration in, when spraying paint paint by spray cup High Rotation Speed and compressed-air actuated atomizes formed fine particle, by compressed air or/and electrostatic interaction sprays to surface of the work film forming.Need could discharge through process to the coating cloud produced in product surface coating process, current processing form mainly contains wet method and dry method two kinds of modes, dry process is filtered through filter cotton or paper substrate filtering material by coating cloud, wet processed is filtered through water by coating cloud, common are that water revolves, cascade, without pump water curtain, whirlpool, venturi process version, also the adsorbing medium of useful kerosene, machine oil etc. purifies.Existing except in coating cloud equipment, when gas is higher containing coating cloud concentration, when coating cloud particle diameter is bigger than normal, coating cloud easily produces back corona phenomenon, and except coating cloud efficiency reduces greatly, energy consumption increases, and operation and maintenance cost also obviously increases.
Summary of the invention
The present invention is intended to propose the more efficient Paint mist purification treatment device of one.
According to one embodiment of the invention, a kind of Paint mist purification treatment device is proposed, comprise: coating cloud resistance quality-adjusting device, electrostatic separator, coating cloud trap and heavy curtain collector and outlet, coating cloud resistance quality-adjusting device, electrostatic separator, coating cloud trap are from top to bottom communicated with successively with heavy curtain collector, heavy curtain collector also with outlet.Coating cloud gas is successively through coating cloud resistance quality-adjusting device, electrostatic separator, coating cloud trap and heavy curtain collector, and the paint particle in coating cloud gas is separated from the gas and be collected, and gas is by outlet drain.
In one embodiment, coating cloud gas is entered by the upper inlet of coating cloud resistance quality-adjusting device, and coating cloud resistance quality-adjusting device carries out modified to coating cloud gas, enters electrostatic separator through modified coating cloud gas by the lower exit port of coating cloud resistance quality-adjusting device.
In one embodiment, coating cloud resistance quality-adjusting device has the modified mouth of multiple whirlwind, the modified mouth of multiple whirlwind introduces air-flow and/or solvent particles to regulate the gas characteristic of coating cloud gas in coating cloud gas, can contribute to the conductive resistance and the refinement coating cloud particle that regulate coating cloud.
In one embodiment, electrostatic separator comprises pulsed high-voltage generator, to coating cloud gas exerts high voltage pulse.The crest voltage of pulsed high-voltage generator is 1000 volts to 600,000 volts.The high voltage pulse progression of pulsed high-voltage generator is one or more levels.
In one embodiment, coating cloud trap comprises several electrode plate groups, and each electrode plate groups comprises positive plate and minus plate, and the top of minus plate has the cell body holding lacquer mist coagulant, and minus plate has scraper plate.
In one embodiment, the angle of positive plate and vertical direction is between-15 ° ~ 15 °, and the direction of minus plate and the angle of vertical direction are between-45 ° ~ 45 °.Positive plate produces high pressure, and the voltage of positive plate is lower than the crest voltage of pulsed high-voltage generator, and the high pressure progression of positive plate is one or more levels.
In one embodiment, the adsorption plane of minus plate is provided with scraper plate, and scraper plate is connected to drive unit, and adsorption plane adsorbs coating cloud.
In one embodiment, heavy curtain collector comprises multilayer feeder, and multilayer feeder is crisscross arranged, and the gap between the feeder of the feeder aligning last layer of every one deck, each feeder of the superiors aims at each electrode plate groups.
In one embodiment, the bottom of feeder has overfall, and the size of overfall can regulate.
In one embodiment, upwards, outlet is to the bottom with heavy curtain collector for Way out.
First sprayed paint fog purifying processing device of the present invention regulates the gas characteristic of coating cloud gas, promote the charged efficiency of coating cloud gas, make to paint particle when follow-up applying high voltage pulse can more effectively to be caught, to promote purification efficiency and the clean-up effect of Paint mist purification treatment device.
Accompanying drawing explanation
The above and other feature of the present invention, character and advantage are by more obvious by what become below in conjunction with the description of drawings and Examples, and Reference numeral identical in the accompanying drawings represents identical feature all the time, wherein:
Fig. 1 discloses the structure chart of the Paint mist purification treatment device according to one embodiment of the invention.
Detailed description of the invention
The present invention proposes a kind of Paint mist purification treatment device, comprise coating cloud resistance quality-adjusting device, electrostatic separator, coating cloud trap and heavy curtain collector and outlet, coating cloud resistance quality-adjusting device, electrostatic separator, coating cloud trap are from top to bottom communicated with successively with heavy curtain collector, heavy curtain collector also with outlet.Coating cloud gas is successively through coating cloud resistance quality-adjusting device, electrostatic separator, coating cloud trap and heavy curtain collector, and the paint particle in coating cloud gas is separated from the gas and be collected, and gas is by outlet drain.
The groundwork process of Paint mist purification treatment device of the present invention is as follows: coating cloud gas is first through modifier treatment, and the gas characteristic such as temperature, humidity, density, particle size, viscosity of adjustment coating cloud gas, improves the charged efficiency of coating cloud.Then charged by high voltage pulse, under the high-voltage state of moment, improve charged speed and the migration velocity of coating cloud, the back corona phenomenon of high specific resistance coating cloud can be suppressed, arresting efficiency maximization can be reached, improve arresting efficiency and except coating cloud efficiency, finally pass through heavy curtain collector again, collect coating cloud particle, the gas after process reaches discharge standard and passes through outlet drain.Gas after process is recyclable cycling and reutilization also, can effectively reduce energy consumption.
Fig. 1 discloses the structure chart of the Paint mist purification treatment device according to one embodiment of the invention.As shown in the figure, this Paint mist purification treatment device comprises coating cloud resistance quality-adjusting device 101, electrostatic separator 102, coating cloud trap 103 and heavy curtain collector 104 and outlet 105.Coating cloud resistance quality-adjusting device 101, electrostatic separator 102, coating cloud trap 103 are from top to bottom communicated with successively with heavy curtain collector 104, and heavy curtain collector 104 is also communicated with outlet 105.Export 105 directions upwards, outlet 105 is communicated to the bottom with heavy curtain collector 104.Coating cloud gas is successively from top to bottom through coating cloud resistance quality-adjusting device 101, electrostatic separator 102, coating cloud trap 103 and heavy curtain collector 104, and the paint particle in coating cloud gas is separated from the gas and be collected, and gas is by exporting 105 discharges.
First coating cloud gas entered by the upper inlet of coating cloud resistance quality-adjusting device 101, and coating cloud resistance quality-adjusting device carries out modified to coating cloud gas, enters electrostatic separator 102 through modified coating cloud gas by the lower exit port of coating cloud resistance quality-adjusting device.In the illustrated embodiment in which, coating cloud resistance quality-adjusting device 101 has the modified mouth 111 of multiple whirlwind, the modified mouth 111 of multiple whirlwind introduces air-flow in coating cloud gas or/and solvent particles is to regulate the gas characteristic of coating cloud gas.The gas characteristic regulated includes but not limited to temperature, humidity, density, particle size, the viscosity of gas.
Electrostatic separator 102 is entered into through modified coating cloud gas.Electrostatic separator 102 is charged to coating cloud gas by high voltage pulse.In the illustrated embodiment in which, electrostatic separator 102 comprises pulsed high-voltage generator 121, pulsed high-voltage generator 121 to coating cloud gas exerts high voltage pulse with charged.In one embodiment, the high voltage pulse progression of pulsed high-voltage generator 121 is one or more levels.The crest voltage of pulsed high-voltage generator is 1000 volts to 600,000 volts.
Coating cloud trap 103 is entered through charged coating cloud gas.Coating cloud trap 103 utilizes electric field to trap charged paint particle.In the illustrated embodiment in which, coating cloud trap 103 comprises several electrode plate groups, and each electrode plate groups comprises positive plate 131 and minus plate 132, and each electrode plate groups comprises a positive plate 131 and two minus plates 132 usually.Two minus plates 132 are separately positioned on the both sides of positive plate 131.Positive plate 131 and minus plate 132 can be vertical directions, also can be that angle theta tilts with vertical direction.Angle theta can regulate, and the angle theta of positive plate 131 and vertical direction is between-15 ° ~ 15 °, and the direction of minus plate 132 and the angle theta of vertical direction are between-45 ° ~ 45 °.The top of minus plate 132 has the cell body 133 holding lacquer mist coagulant, holds lacquer mist coagulant in cell body 133, and lacquer mist coagulant can flow out lentamente from lacquer mist coagulant groove 133, and along minus plate 132 to dirty.Minus plate 132 has scraper plate 134.In one embodiment, the adsorption plane of minus plate 132 is provided with scraper plate 134, scraper plate 134 is connected to drive unit and is driven by drive unit.Scraper plate 134 moves along on the adsorption plane of minus plate 132.Adsorption plane adsorbs coating cloud.Positive plate 131 produces high pressure, and the voltage of positive plate 131 is lower than the crest voltage of pulsed high-voltage generator.The high pressure progression of positive plate 131 is one or more levels.Under the effect of electric field force, paint particle is adsorbed on minus plate 132, condenses lacquering slag and scraped by scraper plate 134 by lacquer mist coagulant.
Heavy curtain collector 104 is for collecting the paint slag scraped by scraper plate 134.In the illustrated embodiment in which, heavy curtain collector 104 comprises multilayer feeder 142, and multilayer feeder 142 is crisscross arranged and forms multilayer labyrinth structure.Usually, the number of plies of feeder have two-layer or two-layer more than.What is called is crisscross arranged and refers to that the feeder of every one deck aims at the gap between the feeder of last layer, and each feeder of the superiors aims at each electrode plate groups.For the width of feeder, the width of the feeder of the superiors needs the width being greater than an electrode plate groups, the width between being namely greater than bottom two minus plates.And the width of the feeder of other layers needs the width in the gap be greater than between the feeder of last layer.If the width in gap is different, so the width of feeder needs the width being greater than the gap that it is aimed at.The paint slag scraped by scraper plate 134, the mixture more precisely painting slag and lacquer mist coagulant is collected by feeder, converges in the collector groove bottom heavy curtain collector 104 after flowing through the feeder of multilayer successively.In one embodiment, the bottom of each feeder has overfall 141, and the size of overfall can regulate, to ensure that the liquid level in each feeder maintains certain altitude.Gas through removing paint particle is discharged by outlet 105, can be recycled.Paint slag in collector groove and the mixture of lacquer mist coagulant are removed after paint slag through centrifugal filtration, and the lacquer mist coagulant groove that lacquer mist coagulant can be transported to above minus plate recycles.
Introduce three detailed description of the invention below, it should be noted that, these detailed description of the invention do not limit the scope of the invention.
First embodiment: coating cloud gas through coating cloud ratio resistance adjuster, by coating cloud ratio resistance adjuster modified laggard enter electrostatic separator.The quantity of the modified mouth of whirlwind of coating cloud ratio resistance adjuster is set to 10.Gas through having tertiary vein punching pulsed high-voltage generator charged after enter coating cloud trap, the different crest value of impulse voltage of pulsed high-voltage generator is set according to the height of coating cloud density, pulse voltage set by density height is just high, otherwise then pulse voltage is just low.The positive plate of mist trap is vertically, and positive plate has three grades of high pressure and arranges, and the inclination angle theta of minus plate is 15 °.After the process of coating cloud trap, coating cloud gas enters heavy curtain collector, and heavy curtain collector has three layers of staggered feeder, coating cloud, through heavy curtain, effectively by heavy curtain absorptive collection, can reach the effect of filtering coating cloud, after the coating cloud of heavy curtain collector is collected, gas is through outlet drain.
Second embodiment: coating cloud gas, through coating cloud ratio resistance adjuster, enters electrostatic separator after modified by coating cloud ratio resistance adjuster again.The quantity of the modified mouth of whirlwind of coating cloud ratio resistance adjuster is set to 8.Gas enters coating cloud trap after the pulsed high-voltage generator with two-stage pulse is charged, sets the different crest value of impulse voltage of pulsed high-voltage generator equally according to the height of coating cloud density.The positive plate of coating cloud trap is vertically, and positive plate is that two-stage high pressure is arranged, and minus plate is vertical.After the process of coating cloud trap, coating cloud gas enters heavy curtain collector, and heavy curtain collector has two-layer feeder, and after heavy curtain collector, gas by exporting discharge, and is recovered cycling and reutilization.
3rd embodiment: coating cloud gas, through coating cloud ratio resistance adjuster, enters electrostatic separator after modified by coating cloud ratio resistance adjuster again.The quantity of the modified mouth of whirlwind of coating cloud ratio resistance adjuster is set to 6.Gas enters coating cloud trap after the pulsed high-voltage generator with Pyatyi pulse is charged, sets the different crest value of impulse voltage of pulsed high-voltage generator according to the height of coating cloud density.The positive plate of coating cloud trap is vertically, and positive plate is that one-level high pressure is arranged, and the inclination angle theta of minus plate is 5 °.After the process of coating cloud trap, coating cloud gas enters heavy curtain collector, and heavy curtain collector has four layers of feeder, and after heavy curtain collector, gas is through outlet drain.
First sprayed paint fog purifying processing device of the present invention regulates the gas characteristic of coating cloud gas, promote the charged efficiency of coating cloud gas, make to paint particle when follow-up applying high voltage pulse can more effectively to be caught, to promote purification efficiency and the clean-up effect of Paint mist purification treatment device.
Above-described embodiment is available to be familiar with person in the art to realize or to use of the present invention; those skilled in the art can be without departing from the present invention in the case of the inventive idea; various modifications or change are made to above-described embodiment; thus protection scope of the present invention not limit by above-described embodiment, and should be the maximum magnitude meeting the inventive features that claims are mentioned.

Claims (10)

1. a Paint mist purification treatment device, it is characterized in that, comprise: coating cloud resistance quality-adjusting device, electrostatic separator, coating cloud trap and heavy curtain collector and outlet, coating cloud resistance quality-adjusting device, electrostatic separator, coating cloud trap are from top to bottom communicated with successively with heavy curtain collector, heavy curtain collector also with outlet;
Coating cloud gas is successively through coating cloud resistance quality-adjusting device, electrostatic separator, coating cloud trap and heavy curtain collector, and the paint particle in coating cloud gas is separated from the gas and be collected, and gas is by outlet drain.
2. Paint mist purification treatment device as claimed in claim 1, it is characterized in that, coating cloud gas is entered by the upper inlet of coating cloud resistance quality-adjusting device, and coating cloud resistance quality-adjusting device carries out modified to coating cloud gas, enters electrostatic separator through modified coating cloud gas by the lower exit port of coating cloud resistance quality-adjusting device.
3. Paint mist purification treatment device as claimed in claim 2, it is characterized in that, described coating cloud resistance quality-adjusting device also has the modified mouth of multiple whirlwind, and the modified mouth of multiple whirlwind introduces air-flow in coating cloud gas or/and solvent particles is to regulate the gas characteristic of coating cloud gas.
4. Paint mist purification treatment device as claimed in claim 1, is characterized in that,
Described electrostatic separator comprises pulsed high-voltage generator, to coating cloud gas exerts high voltage pulse;
The crest voltage of described pulsed high-voltage generator is 1000 volts to 600,000 volts;
The high voltage pulse progression of described pulsed high-voltage generator is one or more levels.
5. Paint mist purification treatment device as claimed in claim 1, it is characterized in that, described coating cloud trap comprises several electrode plate groups, and each electrode plate groups comprises positive plate and minus plate, the top of minus plate has the cell body holding lacquer mist coagulant, and minus plate has scraper plate.
6. Paint mist purification treatment device as claimed in claim 5, is characterized in that,
The angle of described positive plate and vertical direction is between-15 ° ~ 15 °, and the direction of described minus plate and the angle of vertical direction are between-45 ° ~ 45 °;
Described positive plate produces high pressure, and the voltage of positive plate is lower than the crest voltage of described pulsed high-voltage generator, and the high pressure progression of described positive plate is one or more levels.
7. Paint mist purification treatment device as claimed in claim 5, it is characterized in that, the adsorption plane of described minus plate is provided with scraper plate, and described scraper plate is connected to drive unit, and described adsorption plane adsorbs coating cloud.
8. Paint mist purification treatment device as claimed in claim 1, it is characterized in that, described heavy curtain collector comprises multilayer feeder, and multilayer feeder is crisscross arranged, gap between the feeder of the feeder aligning last layer of every one deck, each feeder of the superiors aims at each electrode plate groups.
9. Paint mist purification treatment device as claimed in claim 8, is characterized in that,
The bottom of described feeder also has overfall.
10. Paint mist purification treatment device as claimed in any one of claims 1-9 wherein, is characterized in that,
Upwards, outlet is to the bottom with heavy curtain collector for described Way out.
CN201510354324.XA 2015-06-24 2015-06-24 Paint mist purification treatment device Active CN104906910B (en)

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Application Number Priority Date Filing Date Title
CN201510354324.XA CN104906910B (en) 2015-06-24 2015-06-24 Paint mist purification treatment device

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Application Number Priority Date Filing Date Title
CN201510354324.XA CN104906910B (en) 2015-06-24 2015-06-24 Paint mist purification treatment device

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56161861A (en) * 1980-05-15 1981-12-12 Matsushita Electric Works Ltd Paint mist sticking-preventing and removing device for electrostatic coating
CN2482449Y (en) * 2001-06-20 2002-03-20 李汉松 Oil fumes purifier with water film electrostatic and cloth bag dedusting
CN200939366Y (en) * 2006-08-10 2007-08-29 李泽清 Composite filter
CN201394405Y (en) * 2009-05-11 2010-02-03 江苏科宝机械制造有限公司 Electro-bag compound dust precipitator
CN203635019U (en) * 2014-01-13 2014-06-11 苏州克利亚环保科技有限公司 Spray paint waste gas treatment device
CN104069710A (en) * 2014-07-10 2014-10-01 天津市津南区昌正机械设备有限公司 Spray-booth exhaust gas purification pretreatment device
CN204768084U (en) * 2015-06-24 2015-11-18 上海大众汽车有限公司 Coating cloud purification unit

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56161861A (en) * 1980-05-15 1981-12-12 Matsushita Electric Works Ltd Paint mist sticking-preventing and removing device for electrostatic coating
CN2482449Y (en) * 2001-06-20 2002-03-20 李汉松 Oil fumes purifier with water film electrostatic and cloth bag dedusting
CN200939366Y (en) * 2006-08-10 2007-08-29 李泽清 Composite filter
CN201394405Y (en) * 2009-05-11 2010-02-03 江苏科宝机械制造有限公司 Electro-bag compound dust precipitator
CN203635019U (en) * 2014-01-13 2014-06-11 苏州克利亚环保科技有限公司 Spray paint waste gas treatment device
CN104069710A (en) * 2014-07-10 2014-10-01 天津市津南区昌正机械设备有限公司 Spray-booth exhaust gas purification pretreatment device
CN204768084U (en) * 2015-06-24 2015-11-18 上海大众汽车有限公司 Coating cloud purification unit

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