CN105999952B - A kind of paint spray booth's waste gas purification circulation recycling system - Google Patents

A kind of paint spray booth's waste gas purification circulation recycling system Download PDF

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Publication number
CN105999952B
CN105999952B CN201610514657.9A CN201610514657A CN105999952B CN 105999952 B CN105999952 B CN 105999952B CN 201610514657 A CN201610514657 A CN 201610514657A CN 105999952 B CN105999952 B CN 105999952B
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CN
China
Prior art keywords
gas
exhaust
treatment
vocs
exhaust gas
Prior art date
Application number
CN201610514657.9A
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Chinese (zh)
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CN105999952A (en
Inventor
吉达林
徐海磊
任志明
季松林
Original Assignee
常州市骠马工业机器人系统工程有限公司
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Priority to CN201610514657.9A priority Critical patent/CN105999952B/en
Publication of CN105999952A publication Critical patent/CN105999952A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of devices for separating particles from gases or vapours
    • B01D50/006Combinations of devices relating to groups B01D46/00 and B01D47/00
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/06Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/70Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0258Other waste gases from painting equipments or paint drying installations
    • 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 discloses a kind of paint spray booth's waste gas purification circulation recycling systems, including process gas processing unit I, process gas processing unit II and exhaust treatment system, by process gas processing unit II, the air quantity of VOCs treatment can be effectively reduced, increases the concentration of exhaust-gas treatment;Leads to new breeze air quantity is reduced, energy consumption needed for conditioning in process gas processing unit I is reduced, reduces installation cost and operating cost, reduce by 80% or more exhaust gas total emission volumn.

Description

A kind of paint spray booth's waste gas purification circulation recycling system

Technical field

The present invention relates to paint spray booth waste gas treatment process field, specially a kind of paint spray booth's waste gas purification cycling and reutilization system System.

Background technique

Currently, the open cycle system that automotive painting line is mainly made of fresh air conditioner, spraying coating line and waste gas treatment equipment, newly After wind air-conditioning introducing outside air is filtered damping temperature adjustment, by Leads to new breeze paint line;Fresh air enters coating after paint line The organic exhaust gas of the generation of line introduces exhaust treatment system;Exhaust treatment system by VOCs treatment complete for clean gas it High altitude discharge afterwards.

Since the temperature and humidity of external environment is affected by seasonal, weather, temperature and humidity is required to differ larger with paint line, Cause conditioning operating cost to increase, consume mass energy: using all-fresh air air-conditioning will lead to the installation of entire paint line at This increase increases the total blast volume of exhaust-gas treatment, leads to exhaust-gas treatment increased costs.

Summary of the invention

At low cost, energy-saving and environment-friendly a kind of paint spray booth's waste gas purification circulation that the object of the present invention is to provide exhaust-gas treatments Reutilization system.

To achieve the above object, the invention provides the following technical scheme: a kind of paint spray booth's waste gas purification cycling and reutilization system System, it is characterised in that: including process gas processing unit I, process gas processing unit II and exhaust treatment system;Fresh air is first Into process gas processing unit, the process gas processing unit introduce after fresh air filtering with the part after runner adsorption treatment Clean gas (containing trace V OCs) mixing, the gas after conditioning pass through the VOCs refined filtration above hand spray section respectively (micro VOCs gas is filtered out, so that into the gas of hand spray section after layer and the VOCs filter bed of essence filtering above the section that fills spray Body meets human health requirement) enter corresponding manual section and the section that fills spray, spraying becomes the exhaust gas containing VOCs after completing;Hand After the exhaust gas of workshop section handles coating cloud by paint mist treatment device, VOCs exhaust gas will be contained and introduce (the introducing of process gas processing unit II Air quantity meeting automatic section and under the premise of the requirement of levelling segment process, extra exhaust gas can be introduced directly into exhaust-gas treatment system System), automatic section and levelling section are respectively enterd by filter layer after filtering, conditioning, the concentration of the VOCs in exhaust gas will It further increases, is then sent directly into exhaust treatment system after paint mist treatment device handles coating cloud, the exhaust gas warp for the section that fills spray Exhaust treatment system is also sent directly into after paint mist treatment device processing coating cloud.All feeding exhaust treatment systems contain VOCs's Exhaust gas enters runner after filtering, damping;Become clean gas after the adsorption zone absorption that most exhaust gas passes through runner The exhaust gas of (containing trace V OCs), fraction are sent directly into incinerator after the concentration of desorption area, become clean gas after burning;It inhales Attached clean gas (containing trace V OCs) a part is sent into process gas processing unit I and is mixed with filtered fresh air, another High altitude discharge up to standard after part is mixed with the clean gas after burning.

Compared with prior art, the beneficial effects of the present invention are: the present invention effectively reduces the air quantity of VOCs treatment, increase Add the concentration of exhaust-gas treatment;Leads to new breeze air quantity is reduced, energy consumption needed for conditioning in process gas processing unit I, drop are reduced Low installation cost and operating cost reduce by 80% or more exhaust gas total emission volumn.

Detailed description of the invention

Fig. 1 is process flow diagram of the invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

Referring to Fig. 1, a kind of embodiment provided by the invention:

A kind of paint spray booth's waste gas purification circulation recycling system, including process gas processing unit I, process gas processing dress Set II and exhaust treatment system;Fresh air initially enters process gas processing unit I, and the process gas processing unit I introduces newly Contain trace V OCs clean gas with the part after runner adsorption treatment after wind filtering to mix, the gas after conditioning point Not Tong Guo the VOCs filter bed of essence above hand spray section filter out micro VOCs gas with the VOCs filter bed of essence above the section that fills spray, So that the gas into hand spray section meets after human health requires into corresponding manual section and the section that fills spray;(fill spray section Air quantity can be adjusted according to production actual conditions), spraying becomes the exhaust gas containing VOCs after completing;The exhaust gas of manual section is logical After crossing paint mist treatment device processing coating cloud, VOCs exhaust gas will be contained and introduce process gas processing unit II, the air quantity of introducing is meeting Under the premise of automatic section and levelling segment process require, extra exhaust gas can be introduced directly into exhaust treatment system, by filtering, adjusting Automatic section and levelling section are respectively enterd by filter layer after warm damping, after spraying is completed, the concentration of the VOCs in exhaust gas will It further increases, is then sent directly into exhaust treatment system after paint mist treatment device handles coating cloud, the exhaust gas warp for the section that fills spray Exhaust treatment system is also sent directly into after paint mist treatment device processing coating cloud;All feeding exhaust treatment systems contain VOCs's Exhaust gas enters runner after the most of coating cloud particle filtering of removal, damping;The adsorption zone that most exhaust gas passes through runner Become the clean gas of the OCs containing trace V after absorption, the exhaust gas of fraction is sent directly into incinerator after the concentration of desorption area, burns Become clean gas after burning;Clean gas a part of the OCs containing trace V after absorption is sent into process gas processing unit I and mistake (air quantity of the clean gas after being sent into the partial adsorbates of process gas processing unit I can be according to practical life for fresh air mixing after filter The adjustment of production demand), high altitude discharge up to standard after another part is mixed with the clean gas after burning.

Below according to specific embodiment, invention is further explained:

By taking a certain spraying section (varnish spraying) in spraying coating line as an example.60000m3/h air quantity fresh air mistake is introduced from fresh wind port It is mixed after filter with the clean gas 100000m3/h after runner absorption, by above corresponding paint spray booth after conditioning (air quantity of touch-up paint section can for the filtering of VOCs filter bed of essence laggard start with workshop section's 125000m3/h air quantity and touch-up paint section 35000m3/h air quantity It is adjusted between 0~35000m3/h according to needs of production);Exhaust gas enters the text below paint spray booth after passing through manual section Family name's wash mill handles coating cloud, is then sent into part VOCs exhaust gas 91000m3/h air quantity certainly after filtering, conditioning Dynamic section 73000m3/h air quantity and levelling section 18000m3/h air quantity;By automatic section after Wen's wash mill processing coating cloud 73000m3/h air quantity, the VOCs exhaust gas of levelling section 18000m3/h air quantity and touch-up paint section 35000m3/h air quantity, the manual section in part Exhaust treatment system is sent into the VOCs exhaust gas mixing of 34000m3/h air quantity;The exhaust gas of 160000m3/h air quantity containing VOCs passes through Enter runner (20 times of runner cycles of concentration) after filtering, there are about the exhaust gas of 152000m3/h air quantity to adsorb by runner adsorption zone Becoming clean gas afterwards, 8000m3/h air quantity enters cooling zone, then become high-concentration waste gas behind the heated rear area into desorption, The high-concentration waste gas of 8000m3/h air quantity is introduced directly into RTO burning disposal;By the 100000m3/ in the clean gas after absorption H air quantity exhaust gas mixes after introducing initial effect filtering section with the fresh air of 60000m3/h air quantity, clean after the absorption of 52000m3/h air quantity High altitude discharge after net gas is mixed with the clean gas of the 8000m3/h air quantity after burning.

It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.

Claims (1)

1. a kind of paint spray booth's waste gas purification circulation recycling system, it is characterised in that: including process gas processing unit I, technique Gas treatment equipment II and exhaust treatment system;Fresh air initially enters process gas processing unit I, the process gas processing dress It is mixed with the part after runner adsorption treatment containing the clean gas of trace V OCs after setting the filtering of I introducing fresh air, by temperature adjustment tune Gas after wet pass through respectively the VOCs filter bed of essence above hand spray section filtered out with the VOCs filter bed of essence above the section that fills spray it is micro- The VOCs gas of amount, so that the gas into hand spray section enters corresponding manual section after meeting human health requirement and fills spray Section, spraying become the exhaust gas containing VOCs after completing;After the exhaust gas of manual section handles coating cloud by paint mist treatment device, it will contain VOCs exhaust gas introduces process gas processing unit II, and the air quantity of introducing is in the premise for meeting automatic section Yu the requirement of levelling segment process Under, extra exhaust gas is introduced directly into exhaust treatment system;It is respectively enterd automatically after filtering, conditioning by filter layer Section and levelling section, after spraying is completed, the concentration of the VOCs in exhaust gas be will be further increased, and then pass through paint mist treatment device It is sent directly into exhaust treatment system after processing coating cloud, the exhaust gas for the section that fills spray also is sent directly into after paint mist treatment device handles coating cloud Exhaust treatment system;All most of coating cloud particle filterings of exhaust gas process removal containing VOCs for being sent into exhaust treatment systems, Enter runner after damping;Become the clean gas of the OCs containing trace V after the adsorption zone absorption that most exhaust gas passes through runner, The exhaust gas of fraction is sent directly into incinerator after the concentration of desorption area, becomes clean gas after burning;Containing after absorption is micro Clean gas a part of VOCs is sent into process gas processing unit I and is mixed with filtered fresh air, after another part and burning Clean gas mixing after high altitude discharge up to standard.
CN201610514657.9A 2016-06-30 2016-06-30 A kind of paint spray booth's waste gas purification circulation recycling system CN105999952B (en)

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CN201610514657.9A CN105999952B (en) 2016-06-30 2016-06-30 A kind of paint spray booth's waste gas purification circulation recycling system

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Application Number Priority Date Filing Date Title
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CN105999952B true CN105999952B (en) 2019-01-29

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107477730B (en) * 2017-09-20 2019-07-02 浙江大学 A kind of adsorption runner and Trans-critical cycle heat pump cycle composite gas purification device and application
CN108465356A (en) * 2017-12-25 2018-08-31 襄阳光瑞汽车零部件有限公司 Spray exhaust treatment system
CN108187447A (en) * 2017-12-28 2018-06-22 浙江吉利新能源商用车有限公司 Circulated air processing system and cycle wind process method
CN108079738B (en) * 2018-01-03 2020-01-10 王理 Energy-saving environment-friendly circulating type waste gas treatment method applied to paint spraying and baking process

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US4946479A (en) * 1987-10-28 1990-08-07 Daikin Industries, Ltd. Apparatus for solvent recovery
DE4003668A1 (en) * 1989-02-20 1990-08-23 Siemens Ag Outgoing air purification - by absorption of hydrocarbon(s) in activated carbon followed by desorption and catalytic oxidn.
US6010562A (en) * 1997-09-05 2000-01-04 Flynn; Paul Jeffrey Painting system using desiccant dehumidifier for conditioning and removing VOCS from ventilation air to be returned to spray booth
CN102580451A (en) * 2011-12-24 2012-07-18 浙江环泰环保设备有限公司 Treatment method for paint spraying waste gas
CN103007682A (en) * 2012-12-03 2013-04-03 北汽(广州)汽车有限公司 Waste gas treatment method and system of coating workshop based on concentrated runner and RTO (regenerative thermal oxidizer)
WO2014056933A1 (en) * 2012-10-11 2014-04-17 Dürr Systems GmbH Surface treatment device and method for operating a surface treatment device
CN104083988A (en) * 2014-07-02 2014-10-08 蔡祥雨 VOCs (volatile organic compounds) waste gas treatment method
CN204619673U (en) * 2015-03-24 2015-09-09 中集集团集装箱控股有限公司 VOCs treatment and on-line monitoring system
EP2933030A1 (en) * 2012-12-06 2015-10-21 Korea Institute Of Construction Technology Waste treatment system connected to sewage treatment plant
CN204952595U (en) * 2015-04-29 2016-01-13 上海华懋环保节能设备有限公司 Wet -type coating exhaust retrieval and utilization processing system
CN105289211A (en) * 2015-11-05 2016-02-03 南京格洛特环境工程股份有限公司 Industrial plant heating and dustless and volatile organic chemicals (VOCs) near zero emission process

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DE102005048579A1 (en) * 2005-10-05 2007-04-12 Dürr Systems GmbH Apparatus and method for separating wet paint overspray
US20110132197A1 (en) * 2008-08-29 2011-06-09 Honda Motor Co., Ltd. Exhaust recycle system

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* Cited by examiner, † Cited by third party
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US4946479A (en) * 1987-10-28 1990-08-07 Daikin Industries, Ltd. Apparatus for solvent recovery
DE4003668A1 (en) * 1989-02-20 1990-08-23 Siemens Ag Outgoing air purification - by absorption of hydrocarbon(s) in activated carbon followed by desorption and catalytic oxidn.
US6010562A (en) * 1997-09-05 2000-01-04 Flynn; Paul Jeffrey Painting system using desiccant dehumidifier for conditioning and removing VOCS from ventilation air to be returned to spray booth
CN102580451A (en) * 2011-12-24 2012-07-18 浙江环泰环保设备有限公司 Treatment method for paint spraying waste gas
WO2014056933A1 (en) * 2012-10-11 2014-04-17 Dürr Systems GmbH Surface treatment device and method for operating a surface treatment device
CN103007682A (en) * 2012-12-03 2013-04-03 北汽(广州)汽车有限公司 Waste gas treatment method and system of coating workshop based on concentrated runner and RTO (regenerative thermal oxidizer)
EP2933030A1 (en) * 2012-12-06 2015-10-21 Korea Institute Of Construction Technology Waste treatment system connected to sewage treatment plant
CN104083988A (en) * 2014-07-02 2014-10-08 蔡祥雨 VOCs (volatile organic compounds) waste gas treatment method
CN204619673U (en) * 2015-03-24 2015-09-09 中集集团集装箱控股有限公司 VOCs treatment and on-line monitoring system
CN204952595U (en) * 2015-04-29 2016-01-13 上海华懋环保节能设备有限公司 Wet -type coating exhaust retrieval and utilization processing system
CN105289211A (en) * 2015-11-05 2016-02-03 南京格洛特环境工程股份有限公司 Industrial plant heating and dustless and volatile organic chemicals (VOCs) near zero emission process

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