CN106345271A - Paint spraying waste gas treatment system and process - Google Patents

Paint spraying waste gas treatment system and process Download PDF

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Publication number
CN106345271A
CN106345271A CN201510445831.4A CN201510445831A CN106345271A CN 106345271 A CN106345271 A CN 106345271A CN 201510445831 A CN201510445831 A CN 201510445831A CN 106345271 A CN106345271 A CN 106345271A
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China
Prior art keywords
waste gas
tower
gas
biological
water curtain
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CN201510445831.4A
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Chinese (zh)
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卢华清
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卢华清
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Priority to CN201510445831.4A priority Critical patent/CN106345271A/en
Publication of CN106345271A publication Critical patent/CN106345271A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Abstract

The invention belongs to the technical field of environment friendliness, and relates to a treatment system and a process for paint spraying waste gas of the furniture industry. The system comprises three parts, namely, a fan pipeline system, a cyclone water curtain dust removal tower and a biological purification tower. The paint spraying waste gas is extracted and conveyed to the cyclone water curtain dust removal tower through a fan via a special pipe; after the waste gas passes through the cyclone water curtain dust removal tower, dust and particulate matters are removed, and then the waste gas enters the biological purification tower. A biological filler, with microorganisms overgrowing, is arranged in the biological purification. When the waste gas passes through the biological filler, the microorganisms on the filler can absorb and degrade various organic substances in the waste gas to fulfill the aim of purifying the waste gas. The purified waste gas is nontoxic, odorless and tasteless.

Description

A kind of lacquer spraying waste gas processing system and technique
Technical field:
The invention belongs to environmental technology field, it is related to a kind of lacquer spraying waste gas processing system and technique, belongs to the exhaust-gas treatment of furniture industry.
Background technology:
Painting process is the important production link in woodwork industry, thus causes the serious problems of lacquer spraying waste gas pollution, and the discharge of these waste gas directly affects the quality of the life of the people around.
Furniture industry lacquer spraying waste gas handling process present situation:
Improvement to furniture industry lacquer spraying waste gas does not also have a kind of effective processing method at present, especially to the organic pollution in lacquer spraying waste gas, as volatile organic matters such as contained aldehydes in waste gas, hydro carbons, ketone, phenols, alcohols, could not thoroughly degrade, most cases simply adopt air exhauster by waste gas exhaust to outdoor.Even if carrying out processing is also fairly simple physical treatment method;As Water spray, activated carbon adsorption.These methods exist and are difficult to safeguard, regenerate, and deposit place's effect undesirable;Especially the organic substance in lacquer spraying waste gas is difficult to really degrade, the waste gas after process still has obvious stink.
Content of the invention:
For the shortcoming overcoming current place method to exist, the handling process that the present invention is combined with biological treatment using physics.Present treatment technique can not only remove the particulate matter in removing exhaust gas effectively, the volatile organic matter that simultaneously can effectively be degraded in waste gas using microorganism, and the waste gas after purification is nonpoisonous and tasteless, carries out qualified discharge.This process operation low cost, it is not necessary to regeneration, can be run steadily in the long term.
The technical solution used in the present invention:
Furniture industry lacquer spraying waste gas are managed pump drainage through blower fan and is transported to whirlwind water curtain gas wash tower, the particulate matter in waste gas and dust are carried out the removing of physical property;Next step is will to enter back into biological purification tower through the waste gas that water curtain gas wash tower physical treatment is crossed;The purpose of biological purification tower is the volatile organic contaminant matter in waste gas to be carried out biodegradation become co2And water;Waste gas after purification is nonpoisonous and tasteless, qualified discharge.
Lacquer spraying waste gas processing system and the feature of technique:
This lacquer spraying waste gas processing system and technique contain three parts, Fan pipeline system, whirlwind water curtain gas wash tower, biological purifier.
Its handling process is: furniture lacquer spraying waste gas → Fan pipeline system → whirlwind water curtain gas wash tower → biological purifier → clean gas standard discharge.
Lacquer spraying waste gas processing system and the feature of technique:
This lacquer spraying waste gas processing system and technique contain three parts:
1. Fan pipeline system;
Lacquer spraying waste gas pass through Fan pipeline, are pumped to whirlwind water curtain gas wash tower from paint spray booth.
2. whirlwind water curtain gas wash tower;
Whirlwind water curtain gas wash tower is garden columnar structures, and collecting-tank is arranged at bottom, and water is extracted into top by the water pump that also draws water, by spray nozzle atomisation.Waste gas enters gas wash tower from bottom tangent direction, gas is in tower with the rotating rising of Luo, and the fog phase got off with top spray is mixed, then discharge from top, dust in waste gas and particulate matter enter into the collecting-tank of bottom with water, swim in the water surface or are deposited on the particulate matter in water-bed portion and periodically remove.
3. biological purifier;
At the top of biological purifier equipped with water injection system, collecting-tank is arranged at bottom, has water pump.Water is extracted into biological purifier top from collecting-tank, then sprays biologic packing material through spray system, and water is back to collecting-tank again, and water can be recycled, and the purpose of water spray is for the moisture content required for biological cleaning process.In biological purifier built with biologic packing material, such as plastic hoop, biologic packing material is the carrier as growth of microorganism, has microorganism on biologic packing material.
From the waste gas of whirlwind water curtain sprinkling tower cleaning, eliminate dust and particulate matter, but also had substantial amounts of volatile organic matter.After waste gas enters into biological purifier, waste gas is contacted with biologic packing material, and the organic substance in waste gas is then degraded or co by the microorganism being grown on biologic packing material2And water, reach the purpose of thorough purification.Microorganism constantly regenerates itself, can run steadily in the long term.
Furniture industry lacquer spraying waste gas, after whirlwind water curtain dedusting, reach the purpose removing dust granules thing, then through biological cleaning, reach the purpose of the volatile organic matter in thorough degraded waste gas, the waste gas non smoke after process, odorless, tasteless, qualified discharge.
The beneficial effect of present treatment technique is:
The process of existing furniture industry lacquer spraying waste gas at present simply adopts merely physical treatment, the dust in energy scavenging and particulate matter, but can not remove volatile organic matter and stink, and present treatment technique is combined with bioanalysises using physics.
The feature of present treatment technique is:
1. treatment effeciency is high, can thoroughly process particulate matter and the volatile organic matter in lacquer spraying waste gas;
2. operating cost is low, and treatment conditions are gentle, and normal temperature and pressure is it is not necessary to add chemical substance;
3. stable, biological cleaning process is the process of the own growth metabolism with the organic substance in waste gas as nutrient for the microorganism;Operation steady in a long-term, does not exist as activated carbon, and meeting adsorption saturation needs the problem of regeneration.
4. non-secondary pollution, the pollutant in waste gas can thoroughly be degraded, purified gas odorless, tasteless.
5. long service life, the continuous self-reproduction of the microorganism in biological cleaning and metabolism, continuous autosynthesis are it is not necessary to change.
Brief description
Fig. 1 is product structure functional diagram.
Specific embodiment
Below in conjunction with reality, the invention will be further described with accompanying drawing.
This lacquer spraying waste gas processing system contains three parts, Fan pipeline system, whirlwind water curtain gas wash tower, biological purification tower as shown in the figure.
Lacquer spraying waste gas are pumped to whirlwind water curtain gas wash tower by blower fan (1) from lacquer spraying waste gas source.Waste gas enters the bottom of whirlwind water curtain gas wash tower (2) of garden cylindricality from tangential direction.Gas wash tower has a set of Water spray and blood circulation in itself.At the top of whirlwind water curtain gas wash tower equipped with a set of water injection system (3), the water spraying concentrates on whirlwind water curtain dedusting tower bottom recirculation to collecting-tank (5);The water of collecting-tank pumps to the water spray device (3) of whirlwind water curtain gas wash tower again through pump (6), so forms water circulation, and the water of consumption can be supplemented in collecting-tank (5) again.Waste gas enters gas wash tower from bottom tangent direction, and with the rotating rising of Luo in tower, and the fog phase got off with top spray mix gas, then from top (4) discharge, then the top entering biological purification tower (7).Dust in waste gas and particulate matter enter into the collecting-tank of bottom (5) with water, swim in the water surface or are deposited on the particulate matter in water-bed portion and periodically remove.
Waste gas passes through biologic packing material (8) from the top of biological purification tower, and biologic packing material is the carrier as growth of microorganism, has microorganism on biologic packing material.When waste gas passes through biologic packing material, the harmful substance in waste gas can be degraded into nonpoisonous and tasteless material by the microorganism on filler, such as co2And water.Gas after biological cleaning is discharged from the bottom (9) of purifying column again.It also is provided with a set of Water spray and blood circulation in purifying column, to supplement as the rinse spray of biologic packing material and humidification if necessary.Fountain head is located at the top (12) of purifying column, after spray, the long-pending water flowing down returns the bottom of tower, pass through drainage collection again in collecting-tank (10), the water of collecting-tank extracts spray head (12) through piping and pump (11) again, form Water spray circulation, the water sprinkler system of purifying column can accomplished continuously or intermittently be run as needed.

Claims (6)

1. a kind of furniture industry lacquer spraying waste gas processing system, lacquer spraying waste gas are transported to whirlwind water curtain gas wash tower by blower fan through managing pump drainage, give up Gas is removed after dust and particulate matter through whirlwind water curtain gas wash tower, then enters biological purification tower, carries out biodegradation and purification, outer row To in air, it is characterized in that the handling process combining with biological treatment using physics, can not only effectively remove the granule in removing exhaust gas Material, the volatile organic matter that simultaneously can effectively be degraded in waste gas using microorganism, reach the mesh of furniture industry lacquer spraying waste gas purification 's.
2. exhaust treatment system according to claim 1, is characterized in that being made up of three parts: exhaust gas fan and the exhausting systems such as pipeline, Waste gas whirlwind water curtain gas wash tower, exhaust gas biological purifying tower.
3. exhaust treatment system according to claim 1, its whirlwind water curtain gas wash tower feature is: is in garden cylindricality inside whirlwind water curtain gas wash tower Structure, waste gas, from tangential direction, enters in the bottom of whirlwind water curtain gas wash tower, and whirlwind water curtain dedusting top of tower is provided with waterfog head, under There is collecting-tank in portion, also water pump, the water circulation system such as pipeline.
4. lacquer spraying waste gas processing system according to claim 1, the feature of its biological purification tower is: in rectangular structure, waste gas inlet It is located at the top of purifying column, gas outlet is located at lower box, waste gas from top to bottom runs, biological cleaning top of tower is provided with sprinkler head, under There is collecting-tank in portion, also water pump, the water circulation system such as pipeline.
5. lacquer spraying waste gas processing system according to claim 1, the feature of its biological purification tower is: is provided with biofiltration depurator Filler, filler is cultivated microorganism of growing nonparasitically upon another plant.
6. lacquer spraying waste gas biological purification system according to claim 1, the technology characteristics of its biological purification tower are that waste gas passes through life from top to bottom Thing filler filtration system, reaches the purpose of lacquer spraying waste gas purification.
CN201510445831.4A 2015-07-18 2015-07-18 Paint spraying waste gas treatment system and process Pending CN106345271A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510445831.4A CN106345271A (en) 2015-07-18 2015-07-18 Paint spraying waste gas treatment system and process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510445831.4A CN106345271A (en) 2015-07-18 2015-07-18 Paint spraying waste gas treatment system and process

Publications (1)

Publication Number Publication Date
CN106345271A true CN106345271A (en) 2017-01-25

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107469528A (en) * 2017-08-03 2017-12-15 成都漆彩之星环保科技有限公司 Particle processing device in painting process
CN109173701A (en) * 2018-10-29 2019-01-11 广东盈睿通环境科技有限公司 A kind of organic exhaust gas biological purification system and technique
CN109985504A (en) * 2019-04-15 2019-07-09 东莞理工学院 The cleaning equipment of organic exhaust gas

Citations (4)

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Publication number Priority date Publication date Assignee Title
CN2721621Y (en) * 2004-08-25 2005-08-31 李晓飞 Deodorizing system apparatus with biological filter
JP2008284511A (en) * 2007-05-21 2008-11-27 Hitachi Plant Technologies Ltd Voc gas treatment apparatus
CN101708426A (en) * 2009-12-04 2010-05-19 广东省微生物研究所 Biologic filtration method and device for purifying industrial organic waste gas
CN201625503U (en) * 2010-02-23 2010-11-10 湖北博实城乡环境能源工程有限公司 High-concentration stench biological treatment device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2721621Y (en) * 2004-08-25 2005-08-31 李晓飞 Deodorizing system apparatus with biological filter
JP2008284511A (en) * 2007-05-21 2008-11-27 Hitachi Plant Technologies Ltd Voc gas treatment apparatus
CN101708426A (en) * 2009-12-04 2010-05-19 广东省微生物研究所 Biologic filtration method and device for purifying industrial organic waste gas
CN201625503U (en) * 2010-02-23 2010-11-10 湖北博实城乡环境能源工程有限公司 High-concentration stench biological treatment device

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Title
王文才等: "《粉尘与有毒有害气体防治技术》", 31 August 2012, 内蒙古大学出版社 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107469528A (en) * 2017-08-03 2017-12-15 成都漆彩之星环保科技有限公司 Particle processing device in painting process
CN109173701A (en) * 2018-10-29 2019-01-11 广东盈睿通环境科技有限公司 A kind of organic exhaust gas biological purification system and technique
CN109985504A (en) * 2019-04-15 2019-07-09 东莞理工学院 The cleaning equipment of organic exhaust gas

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Application publication date: 20170125