CN204952595U - Wet coating exhaust recycling treatment system - Google Patents

Wet coating exhaust recycling treatment system Download PDF

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Publication number
CN204952595U
CN204952595U CN201520643200.9U CN201520643200U CN204952595U CN 204952595 U CN204952595 U CN 204952595U CN 201520643200 U CN201520643200 U CN 201520643200U CN 204952595 U CN204952595 U CN 204952595U
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gas
desorption
exhaust
wet
zeolite runner
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CN201520643200.9U
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洪守铭
扶亚民
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Shanghai Huamao Environmental Protection Energy Saving Equipment Co ltd
Desiccant Technology Corp
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Shanghai Huamao Environmental Protection Energy Saving Equipment Co ltd
Desiccant Technology Corp
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Abstract

The utility model relates to a wet-type coating exhaust retrieval and utilization processing system, it includes: a wet coating air supply and exhaust unit and a Volatile Organic Compound (VOC) processing unit, which are communicated with each device and unit through pipelines, the process waste gas of the wet coating process is guided into the zeolite wheel adsorption area for purification, and the purified gas is brought back to the air inlet pipeline of the wet coating air supply and exhaust unit for recycling and not directly discharged to the atmosphere. And finally, the gas discharged to the atmosphere is concentrated by the zeolite rotating wheel, is combusted and purified by the waste gas oxidation furnace treatment unit and is discharged to a chimney. Furthermore, the utility model discloses a to take back wet-type coating back to through the purified gas recovery of zeolite runner and supply the exhaust unit application, mainly for recycling the gas recovery who purifies in order to reduce the exhaust gas flow to reduce the required fresh air of technology, and then reduce the load of outer gas air conditioning cabinet, accord with environmental protection and energy-conserving dual purpose.

Description

Wet exhaust recycling processing system
Technical field
The utility model is for about a kind of exhaust treatment system, refer to a kind of wet exhaust recycling processing system especially, by each cellular construction of pipeline connection, refer to especially and utilize the waste exhaust gases of zeolite runner purification through reclaiming, again by the Recovery Purifying gas recycling after purification, thus reducing smoke stack emission amount is 6-14% originally, and the use reducing fresh air reaches 86-94%.
Background technology
Refer to shown in Fig. 1, it is the structure chart for existing exhaust-gas treatment system, connect wet supply and exhaust air unit 100 VOC (VolatileOrganicCompounds, VOC) processing unit 200, conventional method is the air for quoting indoor and outdoor or the air through special filtration adjustment, import wet supply and exhaust air unit 100 to use, blowing by air, the VOC had by coating in wet technique is drawn, flow into VOC (VolatileOrganicCompounds again, VOC) processing unit 200, chimney 300 is expelled to by after the VOC adsorption cleaning in waste gas and the purification of concentrated high-temp combustion, be discharged into again in air.
Illustrate further, live gas a is directed into heater 130 and heats by air inlet screen 110 via ventilating fan 120 suction via live gas pipeline A, and utilize control valve 170 to regulate and control the flow of this live gas a, and be heated to temperature required formation air inlet gas b, air inlet gas b via air inlet gas piping B by exhaust baking oven 150 blow gun 140 flow into exhaust baking oven 150 in.Then, the waste exhaust gases c be vented in baking oven 150 is pumped out by reclaiming blower fan 160, via waste exhaust gases pipeline C, waste exhaust gases c is imported VOC (VolatileOrganicCompounds, VOC) processing unit 200, by waste exhaust gases c adsorption cleaning and concentrated high-temperature oxydation burning purification, afterwards Purge gas d is communicated with chimney 300 through purge gas lines D and discharges.
So, illustrate that the capacity of this chimney 300 equals the gas flow of the waste exhaust gases c of wet supply and exhaust air unit according to above-mentioned exhaust-gas treatment system; And fresh air a by after process adjustment, then need go in importing wet supply and exhaust air unit 100, air conditioner load is very high; And the gas of discharging is via VOC (VolatileOrganicCompounds, VOC) after VOC is removed by processing unit 200, still have a small amount of VOC to be disposed to air, therefore existing mode is very waste energy and contaminated environment.
As can be seen here, above-mentioned existing mode still has shortcomings, a real non-kindhearted design, and is urgently improved.
Utility model content
Main purpose of the present utility model, be to provide a kind of wet to be vented recycling processing system, by the adsorption cleaning Gas recovery via zeolite runner, gas recovery returns wet supply and exhaust air unit according to absorption blower fan suction belt again and uses, this object reduces to reach 86-94% by the flow of smoke stack emission gas, and reduce the fresh air demand of 86-94%, can reach and pollute decrement and the object significantly reducing energy loss.
Wet of the present utility model exhaust recycling processing system be utilize zeolite runner adsorption cleaning, desorption concentrates the continuous programs such as VOC, its advantage of the present utility model is can be applicable to processing high flow capacity, low stain substrate concentration and the volatile organic compound from waste gas containing several species, and is mainly used in the industry relevant to wet technique.
For reaching above-mentioned purpose, the utility model is a kind of wet exhaust recycling processing system, and it is characterized in that, it comprises:
One wet supply and exhaust air unit, imports live gas in coating in oven dry maturation process, and coating is dried the volatile organic waste gas gas discharge formed in maturation process; And
One VOC processing unit, comprises:
One reclaims blower fan, and be located at an exhaust pipe, and one end of this exhaust pipe is connected with this wet supply and exhaust air unit, the other end connects a zeolite runner, this waste exhaust gases is imported this zeolite runner;
This zeolite runner, be communicated with this exhaust pipe, a Recovery Purifying pipeline and a desorption and concentrate pipeline, this waste exhaust gases imports this zeolite runner via this exhaust pipe and carries out adsorption cleaning and desorption respectively and concentrate, wherein an adsorption cleaning gas imports this wet supply and exhaust air unit reuse by this Recovery Purifying pipeline, and a desorption concentrated gas then concentrates pipeline by this desorption and imports off-gas oxidizing stove processing unit;
One absorption blower fan, be located at this Recovery Purifying pipeline, and one end of this Recovery Purifying pipeline connects this zeolite runner, in order to pump this adsorption cleaning gas, the other end of this Recovery Purifying pipeline connects this wet supply and exhaust air unit, and this adsorption cleaning gas is back to wet technique;
One desorption heater, this desorption heater is connected with this zeolite runner, and the gas that heating is discharged by this zeolite runner is to desorption temperature, and its thermal source adopts the waste heat directly heating or draw an off-gas oxidizing stove processing unit as heat exchange;
One desorption blower fan, this desorption blower fan is located at this desorption and is concentrated pipeline, and one end that this desorption concentrates pipeline connects this zeolite runner, and in order to pump this desorption concentrated gas, the other end that this desorption concentrates pipeline is connected to this off-gas oxidizing stove processing unit;
This off-gas oxidizing stove processing unit, concentrates pipeline via this desorption and is communicated with this zeolite runner, by clean for VOC high-temp combustion contained in this desorption concentrated gas oxidation, forms an emission gases after treatment; And
One chimney, is communicated with this off-gas oxidizing stove processing unit via a discharge pipe, this emission gases is discharged by this chimney.
Wherein this zeolite runner is divided into an adsorption zone, a cooling zone and a desorption district, the adsorption zone of this zeolite runner adsorbs the VOC in this waste exhaust gases, become this adsorption cleaning gas, then lead back to this wet supply and exhaust air unit by this Recovery Purifying pipeline; And the cooling zone of this zeolite runner makes this waste exhaust gases carry out heat exchange to this zeolite runner, make this zeolite runner cooling down, this waste exhaust gases intensification formation one elevated temperature gas also flows to this desorption heater, this elevated temperature gas enters the desorption district of this zeolite runner again after being warming up to desorption temperature 160-230 DEG C via this desorption heater, this desorption concentrated gas then concentrates pipeline by this desorption and discharges, and becomes the desorption concentrated gas with high-enriched organics.
Wherein, this adsorption zone area is the 60%-84% of this zeolite runner.
Wherein, this cooling zone area is the 5%-10% of this zeolite runner.
Wherein, this desorption district area is the 5%-10% of this zeolite runner.
Wherein this desorption heater is a direct heater or a heat exchanger.
Wherein this heat exchanger is communicated with this off-gas oxidizing stove processing unit via a high temperature conduit, derives high-temperature gas import this Recovery Purifying pipeline through this heat exchanger by this off-gas oxidizing stove processing unit.
Wherein this off-gas oxidizing stove processing unit is heat accumulation type off-gas oxidizing stove unit or direct-fired off-gas oxidizing stove processing unit.
Wet exhaust recycling processing system of the present utility model, in practice, is not limited with the above embodiments, according to the technologic demand of exhaust-gas treatment flow process and then adjustment in practice.Wet exhaust recycling processing system major demands of the present utility model is the gas recovery carrying out adsorption cleaning VOC via zeolite runner, and then forms this adsorption cleaning gas and return the utilization of wet supply and exhaust air unit through this absorption blower fan suction belt.In addition, wet exhaust recycling processing system of the present utility model more can be derived by this off-gas oxidizing stove processing unit of rear end and again be imported this Recovery Purifying pipeline with the unnecessary high-temperature gas of high-temperature thermal oxidation decomposing organic compounds through this heat exchanger, then the air inlet pipeline taking back this wet supply and exhaust air unit flows into the utilization of exhaust baking oven.
In sum, this case not only really belongs to innovation in the kenel of space, and can promote above-mentioned multinomial effect compared with existing system, fully should meet the legal new patent important document of novelty and progressive, therefore file an application in accordance with the law.
Accompanying drawing explanation
For further illustrating technology contents of the present utility model, be described in detail as follows below in conjunction with embodiment and accompanying drawing, wherein:
Fig. 1 is the structure chart of existing exhaust-gas treatment system.
Fig. 2 is the structure chart of wet of the present utility model exhaust recycling processing system.
Fig. 3 is the stereogram of the zeolite runner of wet of the present utility model exhaust recycling processing system.
Fig. 4 is the enforcement illustration of wet of the present utility model exhaust recycling processing system.
Detailed description of the invention
For reaching above-mentioned object, wet exhaust recycling processing system of the present utility model is carry out via zeolite runner the waste exhaust gases that adsorption cleaning has VOC, and then formed this adsorption cleaning gas through this absorption blower fan suction take back this wet supply and exhaust air unit use, the cooling zone of this zeolite runner of this waste exhaust gases shunting stream cools this zeolite runner in addition, be heated to after desorption temperature, flow into this zeolite runner desorption district again through desorption heater, form a desorption concentrated gas, this desorption concentrated gas is led and flows into this off-gas oxidizing stove processing unit with high-temperature thermal oxidation decomposing organic compounds, in practice, the unnecessary high-temperature gas of high-temp combustion oxidation can import this Recovery Purifying pipeline again through this heat exchanger, take back wet supply and exhaust air unit again to use, there is the flow recovery utilization Purge gas that obviously reduce emission gases, to reach many effects such as environmental protection.
Referring to Fig. 2 and Fig. 3, is be the wet exhaust structure chart of recycling processing system of the present utility model and the stereogram of zeolite runner.Zeolite runner 210 is divided into adsorption zone 211, cooling zone 212 and desorption district 213, this zeolite runner 210 is communicated with the exhaust pipe C of wet supply and exhaust air unit, the adsorption zone 211 of this zeolite runner 210 adsorbs the VOC in this waste exhaust gases c, become this adsorption cleaning gas g, lead back to this wet supply and exhaust air unit by this Recovery Purifying pipeline G again, and the cooling zone 212 of this zeolite runner 210 makes this waste exhaust gases c carry out heat exchange to this zeolite runner 210, make this zeolite runner 210 cooling down, this waste exhaust gases c intensification formation one elevated temperature gas f also flows to this desorption heater 230, this elevated temperature gas f leads back to after being warming up to desorption temperature (160-230 DEG C) via this desorption heater 230 again and flows to this desorption district 213, desorption VOC forms this desorption concentrated gas h and is circulated to desorption and concentrates pipeline H again, this desorption concentrates pipeline H and is communicated with this off-gas oxidizing stove processing unit 250, high-temp combustion purification will be carried out with VOC.This chimney 180 is communicated with this off-gas oxidizing stove processing unit 250 via discharge pipe I, this desorption concentrated gas h forms an emission gases i after this off-gas oxidizing stove processing unit 250 high temperature burning handling, and this emission gases i discharges from this chimney 180 via discharge pipe I.Wherein, this off-gas oxidizing stove processing unit 250 can be heat accumulation type off-gas oxidizing (RegenerativeThermalOxdizer, RTO) processing unit or direct-fired off-gas oxidizing (ThermalOxdizer, TO) processing unit.
In addition, the zeolite runner of wet exhaust recycling processing system of the present utility model is provided with an absorption blower fan 220, one end of this absorption blower fan 220 is communicated with this adsorption zone 211, this waste exhaust gases c this adsorption zone 211 that circulates forms an adsorption cleaning gas g, this adsorption cleaning gas g circulates into this absorption blower fan 220 via purification pipeline G, the suction of this absorption blower fan 220 transmits this adsorption cleaning gas g and circulates into the air inlet pipeline B of wet supply and exhaust air unit, forms an air inlet gas b.Be provided with blow gun 140 in exhaust baking oven 150, this exhaust baking oven 150 one end is communicated with this air inlet pipeline B, and imports in this exhaust baking oven 150 by this blow gun 140 by this air inlet gas b, then this air inlet gas b mixes this VOC and forms this waste exhaust gases c.This recovery blower fan 160 is provided at this exhaust pipe C, and one end of this exhaust pipe C is communicated with the exhaust baking oven 150 of this wet supply and exhaust air unit, the other end connects this zeolite runner 210, and this recovery blower fan 160 aspirates this waste exhaust gases c, and imports this zeolite runner 210.
Referring to Fig. 3 again, is the stereogram of the zeolite runner for wet exhaust recycling processing system of the present utility model.As shown in the figure, adsorption zone 211 area of this zeolite runner is comparatively large, and this desorption district 212 and this cooling zone 213 are then two less and process sides of area equation.Adsorption zone 211 area of this zeolite runner is the 60%-84% for this zeolite runner 210.Cooling zone 212 area of this zeolite runner is the 5%-10% for this zeolite runner 210.Desorption district 213 area of this zeolite runner is the 5%-10% for this zeolite runner 210.When practice, the area ratio in this adsorption zone 211, this cooling zone 212 and this desorption district 213 can adjust according to practical situation, and this desorption concentrated gas of actual process h discharge capacity concentrates 10-20 doubly by this zeolite runner 210, then this desorption concentrated gas h discharge capacity is the 1/10-1/20 of general flow.Wherein, this zeolite runner 210 is by one group of power driven equipment in order to rotate this zeolite runner 210, therefore is the adjustment of variable-ratio, the ability that can control rotation per hour 2 to 6 turns or constant speed during the running of this zeolite runner 210 rotating speed.
Finally, referring to Fig. 4, is the enforcement illustration for wet exhaust recycling processing system of the present utility model.As shown in the figure, this zeolite runner 210 also can comprise heat exchanger 260, refrigerating gas h is led back to this desorption district 213 through this heat exchanger 260 by this cooling line F, this heat exchanger 260 is communicated with this off-gas oxidizing stove processing unit 250 via high temperature conduit J, derives high-temperature gas j import this chimney 300 by this off-gas oxidizing stove processing unit 250 after this heat exchanger 260.Illustrate further, this heat exchanger 260 more can be communicated with this Recovery Purifying pipeline G and high temperature conduit J, and a control valve is set between this Recovery Purifying pipeline of connection G, in order to regulate the flow of this adsorption cleaning gas g and this high-temperature gas j, and then adjust the temperature of this air inlet gas b, as the thermal source needed for wet technique.
The utility model is by each cell arrangement of each pipeline connection, that technology waste gas wet technique produced by wet supply and exhaust air unit imports the purification of zeolite runner adsorption zone, after purification, gas takes back the air inlet pipeline recovery use of wet supply and exhaust air unit again, is no longer directly disposed to air.Gas finally discharged to air is after zeolite runner is concentrated, then discharged to chimney after being purified by the burning of off-gas oxidizing stove processing unit, the exhausted air quantity after it is concentrated significantly reduces.
The utility model the Purge gas via zeolite runner is reclaimed to take back the utilization of wet supply and exhaust air unit, be mainly Purge gas recycling with emissions reduction gas flow, and Purge gas can be used because reclaiming, and the fresh air reduced needed for technique, and then reduce the load of mau make up air hundling unit schedule, meet environmental protection and energy-conservation dual purpose.
Above-listed detailed description is illustrating for the novel possible embodiments of this case, only this embodiment be not used to limit the scope of the claims of the present utility model, allly do not depart from the equivalence that the utility model technical spirit does and implement or change, all should be contained in the right of this case.

Claims (8)

1. a wet exhaust recycling processing system, it is characterized in that, it comprises:
One wet supply and exhaust air unit, imports live gas in coating in oven dry maturation process, and coating is dried the volatile organic waste gas gas discharge formed in maturation process; And
One VOC processing unit, comprises:
One reclaims blower fan, and be located at an exhaust pipe, and one end of this exhaust pipe is connected with this wet supply and exhaust air unit, the other end connects a zeolite runner, this waste exhaust gases is imported this zeolite runner;
This zeolite runner, be communicated with this exhaust pipe, a Recovery Purifying pipeline and a desorption and concentrate pipeline, this waste exhaust gases imports this zeolite runner via this exhaust pipe and carries out adsorption cleaning and desorption respectively and concentrate, wherein an adsorption cleaning gas imports this wet supply and exhaust air unit reuse by this Recovery Purifying pipeline, and a desorption concentrated gas then concentrates pipeline by this desorption and imports off-gas oxidizing stove processing unit;
One absorption blower fan, be located at this Recovery Purifying pipeline, and one end of this Recovery Purifying pipeline connects this zeolite runner, in order to pump this adsorption cleaning gas, the other end of this Recovery Purifying pipeline connects this wet supply and exhaust air unit, and this adsorption cleaning gas is back to wet technique;
One desorption heater, this desorption heater is connected with this zeolite runner, and the gas that heating is discharged by this zeolite runner is to desorption temperature, and its thermal source adopts the waste heat directly heating or draw an off-gas oxidizing stove processing unit as heat exchange;
One desorption blower fan, this desorption blower fan is located at this desorption and is concentrated pipeline, and one end that this desorption concentrates pipeline connects this zeolite runner, and in order to pump this desorption concentrated gas, the other end that this desorption concentrates pipeline is connected to this off-gas oxidizing stove processing unit;
This off-gas oxidizing stove processing unit, concentrates pipeline via this desorption and is communicated with this zeolite runner, by clean for VOC high-temp combustion contained in this desorption concentrated gas oxidation, forms an emission gases after treatment; And
One chimney, is communicated with this off-gas oxidizing stove processing unit via a discharge pipe, this emission gases is discharged by this chimney.
2. wet exhaust recycling processing system as claimed in claim 1, it is characterized in that, wherein this zeolite runner is divided into an adsorption zone, a cooling zone and a desorption district, the adsorption zone of this zeolite runner adsorbs the VOC in this waste exhaust gases, become this adsorption cleaning gas, then lead back to this wet supply and exhaust air unit by this Recovery Purifying pipeline; And the cooling zone of this zeolite runner makes this waste exhaust gases carry out heat exchange to this zeolite runner, make this zeolite runner cooling down, this waste exhaust gases intensification formation one elevated temperature gas also flows to this desorption heater, this elevated temperature gas enters the desorption district of this zeolite runner again after being warming up to desorption temperature 160-230 DEG C via this desorption heater, this desorption concentrated gas then concentrates pipeline by this desorption and discharges, and becomes the desorption concentrated gas with high-enriched organics.
3. wet exhaust recycling processing system as claimed in claim 2, it is characterized in that, wherein, this adsorption zone area is the 60%-84% of this zeolite runner.
4. wet exhaust recycling processing system as claimed in claim 2, it is characterized in that, wherein, this cooling zone area is the 5%-10% of this zeolite runner.
5. wet exhaust recycling processing system as claimed in claim 2, it is characterized in that, wherein, this desorption district area is the 5%-10% of this zeolite runner.
6. wet exhaust recycling processing system as claimed in claim 1, it is characterized in that, wherein this desorption heater is a direct heater or a heat exchanger.
7. wet exhaust recycling processing system as claimed in claim 6, it is characterized in that, wherein this heat exchanger is communicated with this off-gas oxidizing stove processing unit via a high temperature conduit, derives high-temperature gas import this Recovery Purifying pipeline through this heat exchanger by this off-gas oxidizing stove processing unit.
8. wet exhaust recycling processing system as claimed in claim 1, it is characterized in that, wherein this off-gas oxidizing stove processing unit is heat accumulation type off-gas oxidizing stove unit or direct-fired off-gas oxidizing stove processing unit.
CN201520643200.9U 2015-04-29 2015-08-24 Wet coating exhaust recycling treatment system Active CN204952595U (en)

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TW104206494 2015-04-29

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CN105999952A (en) * 2016-06-30 2016-10-12 常州市骠马工业机器人系统工程有限公司 Waste gas purification and recycling system for spray booth
CN106076065A (en) * 2016-08-22 2016-11-09 苏州云白环境设备股份有限公司 Use zeolite runner and the cleaning equipment for waste organic gas of heat-storage type burner
CN107303451A (en) * 2016-04-21 2017-10-31 云南泰誉实业有限公司 A kind of environment-friendly type VOCs volatilizations organic exhaust gas Collection utilization system
CN110455065A (en) * 2018-05-07 2019-11-15 广东环葆嘉节能科技有限公司 Circulating air drying system

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TWI716501B (en) * 2016-11-25 2021-01-21 承源環境科技企業有限公司 Energy-saving air duct system
CN109482038B (en) * 2017-09-11 2024-03-12 中微惠创科技(上海)有限公司 VOC controller, processing system and operation method
TWI831038B (en) * 2021-08-12 2024-02-01 莊錦烽 High-efficiency exhaust gas purification system and high-efficiency exhaust gas purification method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107303451A (en) * 2016-04-21 2017-10-31 云南泰誉实业有限公司 A kind of environment-friendly type VOCs volatilizations organic exhaust gas Collection utilization system
CN105999952A (en) * 2016-06-30 2016-10-12 常州市骠马工业机器人系统工程有限公司 Waste gas purification and recycling system for spray booth
CN105999952B (en) * 2016-06-30 2019-01-29 常州市骠马工业机器人系统工程有限公司 A kind of paint spray booth's waste gas purification circulation recycling system
CN106076065A (en) * 2016-08-22 2016-11-09 苏州云白环境设备股份有限公司 Use zeolite runner and the cleaning equipment for waste organic gas of heat-storage type burner
CN110455065A (en) * 2018-05-07 2019-11-15 广东环葆嘉节能科技有限公司 Circulating air drying system

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