CN101455930A - Paint mist purification device - Google Patents
Paint mist purification device Download PDFInfo
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- CN101455930A CN101455930A CNA2008102437900A CN200810243790A CN101455930A CN 101455930 A CN101455930 A CN 101455930A CN A2008102437900 A CNA2008102437900 A CN A2008102437900A CN 200810243790 A CN200810243790 A CN 200810243790A CN 101455930 A CN101455930 A CN 101455930A
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- paint mist
- purifying means
- mist purifying
- plasma purifier
- coating cloud
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Abstract
The invention provides a coating cloud purifying device with low manufacturing cost and compact structure, which comprises a shell and a pulverized absorber, a gas-liquid separator, a centrifugal separator and a filter which are arranged in the shell and sequentially communicated. As improvement on the invention, the device also comprises a plasma purifier and an activated carbon adsorber which are sequentially communicated. The plasma purifier is a low-temperature plasma purifier which uses an intelligent power supply and can automatically cut off when spark is generated in an electric field. As another improvement on the invention, the device also comprises a monitoring alarm for monitoring the benzene concentration; the monitoring alarm is arranged between the pulverized absorber and the plasma purifier; and when the benzene concentration in the coating cloud is higher than a set value, the monitoring alarm alarms immediately and simultaneously switches off circuits of the centrifugal separator and the plasma purifier, so that the device stops working. The device has the advantages of high purification efficiency, wide application range, compact structure, low energy consumption, convenient operation, safety, reliability and low price.
Description
Technical field
The present invention relates to a kind of paint mist purifying means.
Background technology
In the paint spraying process, in a large number with an organic solvent.The Main Ingredients and Appearance of common solvent is benzene kind solvents such as benzene, toluene and dimethylbenzene.When spraying, baking, it is the coating cloud that mainly contains pest with benzene hydrocarbon gase that solvent evaporates produces a large amount of.This class coating cloud is let alone the diffusion discharging if do not control effectively, not only endanger workers ' health, and polluted atmospheric environment.
The purification method of benzene class coating cloud is a lot of at present, and direct burning, catalytic combustion and absorption etc. are arranged.Directly burning is only applicable to handle the high concentration coating cloud.Catalytic combustion is to allow coating cloud burn under catalyst (noble metals such as molybdenum, platinum, palladium) effect, but this method equipment price costliness, can only be applicable to that concentration is higher, handle the less occasion of coating cloud amount, adsorption method for purifying is to allow coating cloud pass through adsorbent, solvent is adsorbed in the coating cloud, adsorbs to carry out desorb again after saturated.The adsorbent that uses mainly is an active carbon at present, this method is because adsorption efficiency is subjected to the restriction of flow velocity, when handling big air quantity, to make equipment huge, floor space is big, adsorbent is stopped up by solia particle in the coating cloud and sticky matter easily in addition, have when the coating cloud temperature is higher than 50 ℃, active carbon plays suction-operated hardly again, and it is narrow-minded that it mainly is used in processing, the occasion that coating cloud concentration is high, so if the benzene class coating cloud that produces in the production process is large-minded, concentration is low, and directly firing method is inapplicable, adopt catalytic combustion or charcoal absorption to purify coating cloud, then exist cost, problems such as energy consumption and operating cost height.
Summary of the invention
The invention provides a kind of paint mist purifying means, low, the compact conformation of cost, and can be used for the purification occasion of various generation coating cloud waste gas.
Described paint mist purifying means comprises shell and the atomizing absorber, gas-liquid separator, whizzer, the filter that are communicated with successively, and gas-liquid separator, whizzer, filter are arranged in the shell.
The comprehensive current the most practical gas purification technique both at home and abroad of the present invention and designing.Described atomizing absorber preferably adopts atomizer and Venturi tube as atomizer.Described gas-liquid separator is preferably formed by having Ω type band ripple metallic plate at interval uprightly, each other.Described whizzer comprises impeller and fire-proof motor, and impeller comprises the BI blade, and blade surface twines 80-120 order stainless (steel) wire.Described filter preferably adopts the two-part filter of being made up of spongy filtrate and fiber sponge material.Described spongy filtrate is preferably the alloy material.
As improvement of the present invention, described paint mist purifying means also comprises plasma purifier and the active carbon adsorber that is communicated with successively.Described plasma purifier is a low-temperature plasma purifier, and adopts intelligent power, can automatic disconnection when electric field produces continuously the generation spark.
As another kind of improvement the of the present invention, described paint mist purifying means also comprises the monitoring alarm device that is used for monitoring coating cloud waste gas benzene content concn, described monitoring alarm device is located between atomizing absorber and the plasma purifier, when being higher than setting value (generally can be made as 1.4%), the benzene mass concentration in the coating cloud waste gas reports to the police at once, cut off whizzer and plasma purifier circuit simultaneously, described paint mist purifying means is quit work.
As another kind of improvement the of the present invention, described paint mist purifying means also comprises the fuel tank that is communicated with the leak oil line of the leakage pipe of gas-liquid separator and whizzer and is connected in the circulating pump that atomizes between absorber and the fuel tank.
As another kind of improvement the of the present invention, the shell built-in sound insulation damping layer and the absorbent treatment of described paint mist purifying means.
When described paint mist purifying means was in running order, coating cloud waste gas was introduced into the atomizing absorber, through the solvent (generally adopting used oil) of atomizing to coating cloud in benzene molecular absorb the benzene concentration that makes in the coating cloud and reduce; Gas-liquid mixture through dilution enters gas-liquid separator again, the solvent molecule that contains in the mixture and coating cloud molecule are broken away from by the inertial collision and the turbulent flow collision back of gas-liquid separator, flow out through the leakage pipe, remaining coating cloud mixture is under the high speed rotary centrifugal force effect of whizzer impeller, flow velocity, the flow direction of coating cloud exhaust-gas flow have been continuously changed, make mobile coating cloud on impeller, collide, compress and condense, the coating cloud of cohesion is microgranular, got rid of into the casing inwall by centrifugal force, flow out by leak oil line.Through after the centrifugation, removed most solvents and coating cloud molecule, and the molecule of escaping enters filter again, utilizes the bigger specific area of spongy filtrate and fiber sponge material that solvent, coating cloud molecule brute force are held back; So far, granulin molecule is removed substantially in solvent, the coating cloud molecule, enters the gas that plasma purifier and active carbon adsorber give off complete cleaning after with micron and submicron order molecular degradation and sterilizing taste removal again.
Simultaneously, continue to monitor benzene mass concentration in the mixture by the monitoring alarm device, when benzene mass concentration in the coating cloud surpasses setting value, promptly explanation atomizing absorber is not with the atomizing solvent dilution coating cloud of capacity, at once report to the police, cut off whizzer and plasma purifier circuit simultaneously, described paint mist purifying means is quit work, guarantee device security.Shut down or atomizer breaks down can't atomize solvent the time when circulating pump hinders for some reason, all above-mentioned situation can occur.
The solvent and the coating cloud that flow out through the leak oil line of the leakage pipe of gas-liquid separator and whizzer flow into fuel tank, can recycle through circulating pump.When the coating cloud concentration in the solvent was excessive, gas purifying effect was undesirable, needed to change solvent.Can regularly replace solvent, perhaps detect the coating cloud content that purifies back gas and determine whether to need to change solvent.
The present invention is characterized in:
1) the atomizing absorber adopts atomizer to combine with Venturi tube, and solvent is fully atomized, and is beneficial to the combination of coating cloud molecule.
What 2) gas-liquid separator adopted is a plurality of Ω type band wavy metal plates at interval that have uprightly, each other, is different from the separating plate of existing employing V-arrangement or U-shaped, and not only resistance is little, also the while can effectively be held back large, medium and small particle.
3) whizzer adopts the BI blade, can produce high pressure, big air quantity, and blade surface scribbles anti-oil coating, twines 80-120 order stainless (steel) wire, increases collision probability, makes gas-liquid separation, thereby has very high purification efficiency, good separating effect; Whizzer disposes fire-proof motor in addition, and is safe and reliable.
What 4) the plasma separator adopted is intelligent power control, can automatic disconnection when electric field produces spark, and also electrode is glow discharge, produces low-temperature plasma, can effectively remove micron and submicron order molecule.
5) housing built-in sound insulation damping layer and absorbent treatment significantly reduce the equipment overall noise.
6) novel structure, the reasonable organic assembling of each several part.
7) continue to monitor benzene concentration in the mixture by the monitoring alarm device, guarantee safety.
The present invention adopts new technological approaches, comprehensive solvent absorption and mechanical centrifugal filtration and low temperature plasma, activated carbon purification techniques, equipment manufacturing cost is low, purification efficiency is high, applied widely, compact conformation, energy consumption are low, easy and simple to handle, safe and reliable, not only can be used for general gas purification occasion, the coating cloud big for the coating cloud amount, that coating cloud concentration is high purifies can reach good effect equally, satisfying even be better than national standard, is the comparatively desirable purifier of a kind of factory and enterprise.Simultaneously, adopt the used oil circulation to absorb, purify coating cloud, not only use cost is low, and accomplishes twice laid, very helps environmental protection.
Description of drawings
Fig. 1 process chart of the present invention;
Fig. 2 structure chart of the present invention, wherein:
1-shell, the 2-absorber that atomizes, 3-gas-liquid separator, 4-whizzer, the 5-filter, 6-plasma purifier, 7-active carbon adsorber, the 8-gas vent, 9-impeller, 10-sponge filtrate, the anti-riot motor of 11-, 12-fuel tank, 13-leak oil line, 14-equipment leg, the last oil pipe of 15-, 16-intelligent power, the 17-monitoring alarm, 18-circulating pump, 19-fiber sponge material.
The specific embodiment
The apparatus body of paint mist purifying means is a cold-rolled steel sheet.As shown in Figure 2, paint mist purifying means is of a size of 4500mm * 980mm * 1150mm, and shell 1 adopts the A3 steel plate to make built-in damping sound absorption layer.Atomizing absorber 2, gas-liquid separator 3, whizzer 4, filter 5, monitoring alarm device 17, plasma purifier 6, active carbon adsorber 7 and gas vent 8 are set in it.Atomizing absorber 2 is square, and appearance and size is 1000mm * 980mm * 1150mm.This equipment also can place outside the shell, as long as guarantee that gas can not overflow and get final product in the coating cloud purification process from paint mist purifying means.Gas-liquid separator 3 profiles are square, are of a size of 400 * 980 * 1150, in establish 360 blocks of Ω type band ripple gas-liquid separation plates that have uprightly, each other at interval, material is the galvanized sheet that is coated with anticorrosive paint.Whizzer 4 is square, and appearance and size is 800mm * 980mm * 1150mm, comprises impeller 9 and fire-proof motor 11.Impeller 9 adopts the blade of the anti-oil coating of special BI band, and blade surface twines 80-120 order stainless (steel) wire.Plasma purifier 6 is a low-temperature plasma generator, is of a size of 400mm * 980mm * 1150mm, contains 180 at electrode, and material is a punch forming aluminium tooth plate; The intelligent power 16 of plasma purifier 6 is a high frequency pulse power supply, and this power supply includes intelligence software control safety, can automatic disconnection when electric field produces 2-3 spark, cut off simultaneously circulating pump 18 and whizzer 4 in the paint mist purifying means power supply.Active carbon adsorber 7 profiles are square, are of a size of 1000 * mm * 980mm * 1150mm, and material is that high-quality fibre active carbon or granule activated carbon are processed into W shape and increase its surface area.Gas vent 8 is the louvered outlet, adopts the moulding of metallic plate flanging, and surface two degree spray paint.Monitoring alarm device 17 links to each other respectively with plasma purifier 6 with whizzer 4, continue to monitor benzene mass concentration in the mixture, when benzene mass concentration in the coating cloud surpasses 1.4%, promptly explanation atomizing absorber is not with the atomizing solvent dilution coating cloud of capacity, at once report to the police, cut off whizzer and plasma purifier circuit simultaneously, described paint mist purifying means is quit work.Fuel tank 12 adopts the metallic plate welding fabrication, and surface anticorrosion is handled.Leak oil line 13 adopts metal tube, with the housing preservative treatment.Equipment leg 14 adopts the moulding of metallic plate flanging, with the housing preservative treatment.Connect the last oil pipe 15 of circulating pump and atomizing absorber, adopt the non-corrosive metal (NCM) pipe.Circulating pump 18 adopts the high-quality circulating pump, and the pump main body is outer by 100 order stainless (steel) wires filter foreign material.When circulating pump 18 breaks down can't turn round the time, whole paint mist purifying means is shut down.
Described coating cloud cleaning equipment with machine oil as the atomizing solvent, with coating cloud exhaust air rate 12000m
3/ h the use that is complementary, purification efficiency can reach more than 95%, is better than national standard.When it was in running order, coating cloud was introduced into atomizing absorber 2, and this section is utilized fluid collision chemical absorbing principle, adopts the Venturi atomization technique, machine oil is atomized fully mix with coating cloud, utilized machine oil to absorb harmful molecules such as benzene in the coating cloud; Enter gas-liquid separator 3 then, gas-liquid separator 3 is spaced by many arcs to be formed, make the machine oil molecule that contains in the coating cloud and benzene class coating cloud molecule inertial collision and the turbulent flow collision back by gas-liquid separator break away from and stay through the leakage pipe, remaining coating cloud mixture enters whizzer 4 again, then under the high speed rotary centrifugal force effect of impeller, flow velocity, the flow direction that coating cloud flows have been continuously changed, make mobile coating cloud on impeller, collide, compress and condense, the coating cloud of cohesion is particulate mist of oil shape, got rid of into the casing inwall by centrifugal force, flow out by leak oil line.Through after the centrifugation, most machine oil and coating cloud molecule particle have been removed, enter the filter of forming by spongy aluminium 10 of alloy material and fiber sponge material 19 5 again, utilize bigger specific area that machine oil and coating cloud molecule brute force are held back, then become clean gas substantially by the coating cloud after the preceding level Four purified treatment, enter plasma purifier 6 and active carbon adsorption device 7 again, adopt the plasma purifier 6 of intelligent power 16, the glow discharge by electrode makes sub-micron grade particle and noxious material in the coating cloud be adsorbed, the degraded and the sterilizing taste removal after by the gas that gives off basic cleaning in the gas vent 8.Purification efficiency can reach more than 95%, is better than national standard.
If any equivalence of being done with conception of the present invention changes, the function of its generation when not exceeding the scope that specification and accompanying drawing contain yet, all should be included in the technical scheme scope of the present invention.
Claims (10)
1, a kind of paint mist purifying means is characterized in that comprising shell and the atomizing absorber, gas-liquid separator, whizzer, the filter that are communicated with successively, and gas-liquid separator, whizzer, filter are arranged in the shell.
2, paint mist purifying means as claimed in claim 1 is characterized in that also comprising the plasma purifier and the active carbon adsorber that are communicated with successively.
3, paint mist purifying means as claimed in claim 2, it is characterized in that also comprising the monitoring alarm device that is used for monitoring coating cloud waste gas benzene mass concentration, described monitoring alarm device is located between atomizing absorber and the plasma purifier, when being higher than setting value, benzene mass concentration in the coating cloud waste gas reports to the police at once, cut off whizzer and plasma purifier circuit simultaneously, described paint mist purifying means is quit work.
4, paint mist purifying means as claimed in claim 2 is characterized in that described plasma purifier is a low-temperature plasma purifier, and adopts intelligent power, automatic disconnection when electric field produces spark continuously.
5, paint mist purifying means as claimed in claim 1 is characterized in that also comprising the fuel tank that is communicated with the leak oil line of the leakage pipe of gas-liquid separator and whizzer and is connected in circulating pump between atomizing absorber and the fuel tank.
6,, it is characterized in that described atomizing absorber adopts atomizer and Venturi tube as atomizer as each described paint mist purifying means of claim 1-5.
7,, it is characterized in that described filter forms the two-part filter by spongy filtrate and fiber sponge material as each described paint mist purifying means of claim 1-5.
8,, it is characterized in that described shell built-in sound insulation damping layer and absorbent treatment as each described paint mist purifying means of claim 1-5.
9,, it is characterized in that described gas-liquid separator is made up of the Ω type band wavy metal plate that has uprightly, each other at interval as each described paint mist purifying means of claim 1-5.
10, as each described paint mist purifying means of claim 1-5, it is characterized in that described whizzer comprises impeller and fire-proof motor, impeller comprises the BI blade, blade surface twines 80-120 order stainless (steel) wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102437900A CN101455930A (en) | 2008-12-08 | 2008-12-08 | Paint mist purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102437900A CN101455930A (en) | 2008-12-08 | 2008-12-08 | Paint mist purification device |
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| Publication Number | Publication Date |
|---|---|
| CN101455930A true CN101455930A (en) | 2009-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008102437900A Pending CN101455930A (en) | 2008-12-08 | 2008-12-08 | Paint mist purification device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102380280A (en) * | 2011-11-09 | 2012-03-21 | 中国印钞造币总公司 | Double-channel high-efficiency industrial flue gas purification device |
| CN102755818A (en) * | 2011-04-26 | 2012-10-31 | 深圳市鼎盛达模具发展有限公司 | UV spray painting waste gas purification system and method |
| CN104258680A (en) * | 2014-10-13 | 2015-01-07 | 苏州艾斯特工业设备有限公司 | Waste gas treatment cabinet |
| CN104767124A (en) * | 2015-04-20 | 2015-07-08 | 济南伟桐环保科技有限公司 | Anion emitting head device, anion generator and forming technology |
| CN104971846A (en) * | 2015-06-30 | 2015-10-14 | 成都市新都区鑫悦空气净化设备厂 | Spray room capable of processing paint mist |
| CN104998504A (en) * | 2015-07-22 | 2015-10-28 | 江苏新中金环保科技有限公司 | Dust-removing, mist-removing and water-saving technology for desulfurizing of wet desulfurizing tower |
| CN105413373A (en) * | 2015-12-09 | 2016-03-23 | 陈宇 | Device and method for purifying and separating impurities in gas |
| CN105854501A (en) * | 2016-04-28 | 2016-08-17 | 安徽工业大学 | Emission reduction system for fine particles in sintering process of iron ore |
| CN106621669A (en) * | 2017-01-03 | 2017-05-10 | 福建省天朗环保设备有限公司 | Waste gas treatment method for recycling paint mist |
| CN108043154A (en) * | 2017-12-19 | 2018-05-18 | 中山市雅乐思商住电器有限公司 | A kind of recycling separator in powder spray |
| CN108797532A (en) * | 2018-05-24 | 2018-11-13 | 天津大学 | A kind of Lapping quantity preventing atomization method |
| CN109433496A (en) * | 2018-12-25 | 2019-03-08 | 重庆斯美丹家具有限公司 | A kind of door-plate painting line |
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2008
- 2008-12-08 CN CNA2008102437900A patent/CN101455930A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102755818A (en) * | 2011-04-26 | 2012-10-31 | 深圳市鼎盛达模具发展有限公司 | UV spray painting waste gas purification system and method |
| CN102755818B (en) * | 2011-04-26 | 2015-01-28 | 深圳市鼎盛达模具发展有限公司 | UV spray painting waste gas purification system and method |
| CN102380280A (en) * | 2011-11-09 | 2012-03-21 | 中国印钞造币总公司 | Double-channel high-efficiency industrial flue gas purification device |
| CN102380280B (en) * | 2011-11-09 | 2014-01-29 | 中国印钞造币总公司 | Double-channel high-efficiency industrial flue gas purification device |
| CN104258680A (en) * | 2014-10-13 | 2015-01-07 | 苏州艾斯特工业设备有限公司 | Waste gas treatment cabinet |
| CN104767124A (en) * | 2015-04-20 | 2015-07-08 | 济南伟桐环保科技有限公司 | Anion emitting head device, anion generator and forming technology |
| CN104971846A (en) * | 2015-06-30 | 2015-10-14 | 成都市新都区鑫悦空气净化设备厂 | Spray room capable of processing paint mist |
| CN104998504A (en) * | 2015-07-22 | 2015-10-28 | 江苏新中金环保科技有限公司 | Dust-removing, mist-removing and water-saving technology for desulfurizing of wet desulfurizing tower |
| CN105413373A (en) * | 2015-12-09 | 2016-03-23 | 陈宇 | Device and method for purifying and separating impurities in gas |
| CN105854501A (en) * | 2016-04-28 | 2016-08-17 | 安徽工业大学 | Emission reduction system for fine particles in sintering process of iron ore |
| CN105854501B (en) * | 2016-04-28 | 2018-02-02 | 安徽工业大学 | A kind of emission-reducing system of Ore Sintering Process fine particle |
| CN106621669A (en) * | 2017-01-03 | 2017-05-10 | 福建省天朗环保设备有限公司 | Waste gas treatment method for recycling paint mist |
| CN108043154A (en) * | 2017-12-19 | 2018-05-18 | 中山市雅乐思商住电器有限公司 | A kind of recycling separator in powder spray |
| CN108797532A (en) * | 2018-05-24 | 2018-11-13 | 天津大学 | A kind of Lapping quantity preventing atomization method |
| CN109433496A (en) * | 2018-12-25 | 2019-03-08 | 重庆斯美丹家具有限公司 | A kind of door-plate painting line |
| CN109433496B (en) * | 2018-12-25 | 2024-05-24 | 重庆斯美丹家具有限公司 | Door plant production line that sprays paint |
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Open date: 20090617 |