CN103495328B - Output-concentration-controllable adsorption system special for painting workshop - Google Patents
Output-concentration-controllable adsorption system special for painting workshop Download PDFInfo
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- CN103495328B CN103495328B CN201310452494.2A CN201310452494A CN103495328B CN 103495328 B CN103495328 B CN 103495328B CN 201310452494 A CN201310452494 A CN 201310452494A CN 103495328 B CN103495328 B CN 103495328B
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Abstract
The invention relates to an output-concentration-controllable adsorption system special for a painting workshop. The adsorption system comprises a spraying filter device and an adsorption bed with a controllable output concentration, wherein the spraying filter device comprises a tower body; one side of an air outlet of the tower body is fixedly provided with a filter; an air inlet of the filter is communicated with an air outlet of the tower body; the filter is internally provided with a particle filter layer horizontally; a desorption gas circulation outlet is formed in the adsorption bed with the controllable output concentration; the desorption gas circulation outlet is connected with an air inlet of an electric heater through a pipeline; an air outlet of the electric heater is connected with an air inlet of a desorption gas circulating fan through a pipeline; an air outlet of the desorption gas circulating fan is connected with a desorption gas circulation inlet in the adsorption bed through a pipeline. The adsorption system outputs industrial volatile organic pollutants with the controllable concentration, provides a guarantee for sustainable energy conservation, and can effectively separate oil paint fog from the industrial volatile organic pollutants, thus improving the processing efficiency of the industrial volatile organic pollutants and guaranteeing the regular production.
Description
Technical field
The invention belongs to adsorption system field, especially a kind of painting workshop that is exclusively used in exports the controlled adsorption system of concentration.
Background technology
In PM2.5 to people's body harm maximum no more than industrial volatile organic pollutants, in prior art, catalytic bed combustion method is mainly adopted to industrial volatile organic pollutants, after Adsorption Concentration being carried out to industrial volatile organic pollutants by adsorbent bed, carry out desorption again and enter catalytic bed burning, industrial volatile organic pollutants is converted into carbon dioxide and water, and the gas temperature after burning reclaims catalytic combustion heat compared with high pass plate type heat exchanger and uses it for the technological temperature requirement of desorption heating and maintenance catalysis system.Existing adsorbent bed from desorption heating time the circulatory system access catalytic bed.Because in initial segment and end-tidal gas, VOCs concentration is low, the combustion heat produced can not meet system and " to control oneself " operation demand, maintenance catalytic bed temperature and the heating of adsorbent bed desorption can only rely on auxiliary thermal source to supplement for a long time, therefore cause system cloud gray model energy consumption very high, paint coating cloud is often mixed in addition at some paint spraying workshop industrial volatile organic pollutants, painting coating cloud when adsorbent bed adsorbs can be attached on the sorbing material in adsorbent bed, cause adsorbent bed cisco unity malfunction, reduce purified treatment efficiency, improve purified treatment cost, impact is normal produces.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of painting workshop that is exclusively used in is provided to export the controlled adsorption system of concentration, this adsorption system structural configuration is simple, design science reasonable, it is controlled to export industrial volatile organic pollutants concentration, guarantee is provided for lasting energy-conservation, effectively paint coating cloud can be separated with industrial volatile organic pollutants, improve industrial volatile organic pollutants treatment effeciency, ensure and normally produce.
The present invention solves its technical problem and is achieved through the following technical solutions:
A kind of painting workshop that is exclusively used in exports the controlled adsorption system of concentration, comprise spray filter and export the controlled adsorbent bed of concentration, its spray filter comprises a tower body, air inlet is made at a side lower part of tower body, air outlet is made on the tower body top of side relative to air inlet, it arranges the first filter course respectively from bottom to up in tower body, second filter course and demist layer, bottom shower nozzle is evenly equipped with below the first filter course, middle part shower nozzle is evenly equipped with between the first filter course and the second filter course, top shower nozzle is evenly equipped with between the second filter course and demist layer, tower body air outlet side is fixedly mounted with a filter, this filter air inlet is communicated with tower body air outlet, particle filter course has been horizontally disposed with in filter, the air outlet of this filter connects the industrial volatile organic pollutants exhaust gas inlet exporting the controlled adsorbent bed of concentration by pipeline, the adsorbent bed exporting concentration controlled comprises an adsorbent bed, this adsorbent bed arranges desorption gas loop exit, this desorption gas loop exit connects electric heater air inlet by pipeline, this electric heater air outlet connects desorption gas circulating fan air inlet by pipeline, the outlet of this desorption gas circulating fan connects the desorption gas loop head on adsorbent bed by pipeline, adsorbent bed is provided with industrial volatile organic pollutants exhaust gas inlet and purified gas outlet, adsorbent bed is provided with desorption waste gas delivery outlet and desorption gas input port.
And, described adsorbent bed is provided with adsorbent bed temperature sensor, adsorbent bed is provided with the online VOCs concentration sensor of adsorbent bed, adsorbent bed is provided with difference gauge, pipeline is provided with Tube Temperature Sensor, pipeline is provided with the online VOCs concentration sensor of pipeline.
And described demist layer is demister.
And described bottom shower nozzle, middle part shower nozzle, top shower nozzle are spiral nozzle.
And be provided with wind deflector below the first described filter course, this wind deflector is corresponding with air inlet.
And described wind deflector is arc.
And described tower body bottom is provided with aqua storage tank, is provided with discharge outlet bottom aqua storage tank.
And the first described filter course and second layer filter course include the foamed ceramics of full paving on filtering grid and filtering grid.
And, be provided with drainage plate below described filter endoparticle thing filter course.
Advantage of the present invention and beneficial effect are:
1, export the controlled adsorbent bed of concentration in the present invention and comprise an adsorbent bed, its this adsorbent bed arranges desorption gas loop exit, this desorption gas loop exit connects electric heater air inlet by pipeline, this electric heater air outlet connects desorption gas circulating fan air inlet by pipeline, the outlet of this desorption gas circulating fan connects the desorption gas loop head on adsorbent bed by pipeline, this structure achieves the process imagine introducing catalytic bed when gas industry volatile organic pollutants concentration reaches self-sustaining burning concentration in desorption heating circulation system again, make the catalytic bed after preheating can enter self-sustaining burning state fast, the Thermal feedback that catalytic combustion is produced is enough to maintain catalytic bed temperature, and make plate type heat exchanger obtain enough thermals source, heat energy is provided for adsorbent bed continues desorption, and carry out desorption preheating for next adsorbent bed simultaneously, reach design conditions requirement, effectively play a role.For reducing auxiliary heating, saving energy consumption creates conditions.
2, export the controlled adsorbent beds of concentration in the present invention again the industrial volatile organic pollutants after desorption to be incorporated into catalytic bed to catalytic bed self-sustaining burning concentration and to carry out catalytic combustion, ensure that catalytic bed temperature, prevent and into a gas, " blast-cold " of catalytic bed is acted on, effectively prevent catalyst poisoning.
3, in the present invention, spray filter comprises a tower body, air inlet is made at a side lower part of tower body, air outlet is made on the tower body top of side relative to air inlet, it arranges the first filter course respectively from bottom to up in tower body, second filter course and demist layer, bottom shower nozzle is evenly equipped with below the first filter course, middle part shower nozzle is evenly equipped with between the first filter course and the second filter course, top shower nozzle is evenly equipped with between the second filter course and demist layer, tower body air outlet side is fixedly mounted with a filter, this filter air inlet is communicated with tower body air outlet, particle filter course has been horizontally disposed with in filter, the air outlet of this filter connects the industrial volatile organic pollutants exhaust gas inlet exporting the controlled adsorbent bed of concentration by pipeline, this structure forms umbrella interception paint coating cloud by shower nozzle ejection coating cloud wash solution, by bottom shower nozzle, middle part shower nozzle and three grades, top shower nozzle are tackled and are removed paint coating cloud, pure industrial volatile organic pollutants is exported again by demist layer removing water smoke.
4, in the present invention, the bottom shower nozzle of spray filter, middle part shower nozzle, top shower nozzle are spiral nozzle, ensure that the coating cloud wash solution sprayed forms umbrella like this, effectively cover the gaseous mixture risen, effectively isolate paint coating cloud.
5, in the present invention spray filter the first filter course below be provided with wind deflector, this wind deflector is corresponding with air inlet, and wind deflector is arc, contribute to air intake reduce resistance.
6, in the present invention, the first filter course of spray filter comprises the foamed ceramics of full paving on filtering grid and filtering grid, second filter course comprises the foamed ceramics of full paving on filtering grid and filtering grid, in this structure, on filtering grid, the foamed ceramics of full paving has microcellular structure, mist enter air inlet by wind deflector upwards time have to pass through there is microcellular structure foamed ceramics, coating cloud wash solution is flowed in this micropore, mist by time fully will contact with coating cloud wash solution, contribute to like this removing paint coating cloud.
7, structural configuration of the present invention is simple, design science reasonable, it is controlled to export industrial volatile organic pollutants concentration, guarantee is provided for lasting energy-conservation, effectively paint coating cloud can be separated with industrial volatile organic pollutants, improve industrial volatile organic pollutants treatment effeciency, ensure and normally produce.
Accompanying drawing explanation
Fig. 1 is that system of the present invention connects block diagram;
Fig. 2 is the structural representation of spray filter of the present invention;
Fig. 3 is the top view of Fig. 2;
Fig. 4 is spray filter perspective view of the present invention;
Fig. 5 is that the A-A of Fig. 4 is to sectional view;
Fig. 6 is the tower body perspective view of spray filter of the present invention.
Detailed description of the invention
Below by specific embodiment, the invention will be further described, and following examples are descriptive, is not determinate, can not limit protection scope of the present invention with this.
A kind of painting workshop that is exclusively used in exports the controlled adsorption system of concentration, comprise spray filter 17 and export the controlled adsorbent bed 2 of concentration, this spray filter comprises a tower body 20, air inlet 22 is made at a side lower part of tower body, air outlet 25 is made on the tower body top of side relative to air inlet, it arranges the first filter course 30 from bottom to up respectively in tower body, second filter course 28 and demist layer 26, demist layer is demister, this demister forms three-legged structure, bottom shower nozzle 33 is evenly equipped with below the first filter course, middle part shower nozzle 29 is evenly equipped with between the first filter course and the second filter course, top shower nozzle 27 is evenly equipped with between the second filter course and demist layer, tower body air outlet side is fixedly mounted with a filter 19, this filter air inlet is communicated with tower body air outlet, this filter is provided with air outlet 18, particle filter course 23 has been horizontally disposed with in filter, drainage plate 24 is provided with below filter endoparticle thing filter course, bottom shower nozzle, middle part shower nozzle, top shower nozzle is spiral nozzle, the liquid of this spiral nozzle ejection can form umbrella, area coverage is larger, wind deflector 31 is provided with below first filter course, this wind deflector is corresponding with air inlet, wind deflector is arc, blow more stable, tower body bottom is provided with aqua storage tank 32, discharge outlet 21 is provided with bottom aqua storage tank, first filter course comprises the foamed ceramics 36 of full paving on filtering grid 35 and filtering grid, second filter course comprises the foamed ceramics of full paving on filtering grid and filtering grid, between the first filter course and the second filter course and at the second filter course, between demist layer, supporting clapboard 34 is all installed, the adsorbent bed exporting concentration controlled comprises an adsorbent bed, this adsorbent bed is provided with industrial volatile organic pollutants exhaust gas inlet 3 and purified gas outlet 13, industrial volatile organic pollutants exhaust gas inlet connects the air outlet of the filter of spray filter by pipeline, the air inlet of the tower body of spray filter connects spark arrester by pipeline, this spark arrester connects industrial volatile organic pollutants exhaust gas source by pipeline, the purified gas outlet of adsorbent bed connects the clean gas after discharging the direct process of main air blower realization by pipeline and directly discharges, adsorbent bed is provided with desorption waste gas delivery outlet 12 and desorption gas input port 1, this desorption waste gas delivery outlet directly can connect catalytic bed by pipeline, also can carry out entering catalytic bed again after heat exchange through plate type heat exchanger, adsorbent bed is provided with adsorbent bed temperature sensor 5, the online VOCs concentration sensor 11 of adsorbent bed and difference gauge 10, adsorbent bed is arranged desorption gas loop exit 14, this desorption gas loop exit connects electric heater 7 air inlet by pipeline, this electric heater air outlet connects desorption gas circulating fan 8 air inlet by pipeline 9, the outlet of this desorption gas circulating fan connects the desorption gas loop head 4 on adsorbent bed by pipeline, this structure achieves adsorbent bed exports industrial volatile organic pollutants concentration and temperature control when desorption, be conducive to the self-sustaining burning realizing catalytic bed, significantly reduce the unlatching rate of electric heater in whole industrial volatile organic pollutants treatment system, realize energy-saving and cost-reducing, pipeline is provided with Tube Temperature Sensor 6, pipeline is provided with the online VOCs concentration sensor 15 of pipeline.
Spray filter in use, the sprinkling that shower nozzle carries out coating cloud wash solution is first opened before air intake, water is injected in the microcellular structure that the foamed ceramics of paving full on filtering grid is had, after the coating cloud wash solution that spiral nozzle sprays forms umbrella, pass into the gaseous mixture of paint coating cloud and industrial volatile organic pollutants, paint coating cloud is respectively by bottom shower nozzle, the filtering grid of the first filter course and its on be abound with foamed ceramics, middle part shower nozzle, the filtering grid of the second filter course and its on be abound with foamed ceramics, the dissolving of the coating cloud wash solution of top shower nozzle, can effectively remove paint coating cloud, pure industrial volatile organic pollutants enters filter after demister, through directly sending into adsorbent bed adsorption treatment to the filtration of particle from the filter air outlet of spray filter, gas after adsorbent bed adsorption treatment is discharged by absorption blower fan 16, this adsorbent bed can provide and export the controlled industrial volatile organic pollutants waste gas of concentration, make catalytic bed can carry out the stable self-sustaining burning continued, namely the heat supply that electric heater just can complete whole cleaning treatment system need not be started, whole cleaning treatment system is made to obtain stable heat energy supply, fully reclaim on this basis, effective heat energy utilizing recovery, make system substantially break away from electric heating to assist, realize super low energy consumption to run, meet environmental protection, energy-conservation industrial development direction, it is the first-selected approach that industrial organic waste-gas purification device obtains marketing.
Claims (9)
1. one kind is exclusively used in the controlled adsorption system of painting workshop output concentration, comprise spray filter and export the controlled adsorbent bed of concentration, it is characterized in that: spray filter comprises a tower body, air inlet is made at a side lower part of tower body, air outlet is made on the tower body top of side relative to air inlet, it arranges the first filter course respectively from bottom to up in tower body, second filter course and demist layer, bottom shower nozzle is evenly equipped with below the first filter course, middle part shower nozzle is evenly equipped with between the first filter course and the second filter course, top shower nozzle is evenly equipped with between the second filter course and demist layer, tower body air outlet side is fixedly mounted with a filter, this filter air inlet is communicated with tower body air outlet, particle filter course has been horizontally disposed with in filter, the air outlet of this filter connects the industrial volatile organic pollutants exhaust gas inlet exporting the controlled adsorbent bed of concentration by pipeline, the adsorbent bed exporting concentration controlled comprises an adsorbent bed, this adsorbent bed arranges desorption gas loop exit, this desorption gas loop exit connects electric heater air inlet by pipeline, this electric heater air outlet connects desorption gas circulating fan air inlet by pipeline, the outlet of this desorption gas circulating fan connects the desorption gas loop head on adsorbent bed by pipeline, adsorbent bed is provided with industrial volatile organic pollutants exhaust gas inlet and purified gas outlet, adsorbent bed is provided with desorption waste gas delivery outlet and desorption gas input port.
2. the painting workshop that is exclusively used according to claim 1 exports the controlled adsorption system of concentration, it is characterized in that: described adsorbent bed is provided with adsorbent bed temperature sensor, adsorbent bed is provided with the online VOCs concentration sensor of adsorbent bed, adsorbent bed is provided with difference gauge, pipeline is provided with Tube Temperature Sensor, pipeline is provided with the online VOCs concentration sensor of pipeline.
3. the painting workshop that is exclusively used according to claim 1 exports the controlled adsorption system of concentration, it is characterized in that: described demist layer is demister.
4. the painting workshop that is exclusively used according to claim 1 exports the controlled adsorption system of concentration, it is characterized in that: described bottom shower nozzle, middle part shower nozzle, top shower nozzle are spiral nozzle.
5. the painting workshop that is exclusively used according to claim 1 exports the controlled adsorption system of concentration, it is characterized in that: be provided with wind deflector below the first described filter course, this wind deflector is corresponding with air inlet.
6. the painting workshop that is exclusively used according to claim 5 exports the controlled adsorption system of concentration, it is characterized in that: described wind deflector is arc.
7. the painting workshop that is exclusively used according to claim 1 exports the controlled adsorption system of concentration, it is characterized in that: described tower body bottom is provided with aqua storage tank, is provided with discharge outlet bottom aqua storage tank.
8. the painting workshop that is exclusively used according to claim 1 exports the controlled adsorption system of concentration, it is characterized in that: the first described filter course and second layer filter course include the foamed ceramics of full paving on filtering grid and filtering grid.
9. the painting workshop that is exclusively used according to claim 1 exports the controlled adsorption system of concentration, it is characterized in that: be provided with drainage plate below described filter endoparticle thing filter course.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310452494.2A CN103495328B (en) | 2013-09-27 | 2013-09-27 | Output-concentration-controllable adsorption system special for painting workshop |
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| CN201310452494.2A CN103495328B (en) | 2013-09-27 | 2013-09-27 | Output-concentration-controllable adsorption system special for painting workshop |
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| CN103495328A CN103495328A (en) | 2014-01-08 |
| CN103495328B true CN103495328B (en) | 2015-04-22 |
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| CN105854503A (en) * | 2014-07-02 | 2016-08-17 | 蔡祥雨 | Treatment method of VOCs waste gases by internal circulation without external discharge |
| CN109613058B (en) * | 2018-12-27 | 2021-07-13 | 上海海事大学 | Steel adheres to hot feedback heat transfer effect testing arrangement of combustible material burning |
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| US6065957A (en) * | 1996-03-21 | 2000-05-23 | Denso Corporation | Catalyst combustion apparatus |
| CN202460412U (en) * | 2012-02-28 | 2012-10-03 | 郭灿明 | Organic waste gas treatment device |
| CN203507754U (en) * | 2013-09-27 | 2014-04-02 | 天津赛智科技发展有限公司 | Adsorption system specially used for realizing controllable output concentration in spray painting workshop |
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Granted publication date: 20150422 Termination date: 20200927 |