CN205351348U - Film drying chamber gas catalysis nonflame heating VOC processing system - Google Patents
Film drying chamber gas catalysis nonflame heating VOC processing system Download PDFInfo
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- CN205351348U CN205351348U CN201620047784.8U CN201620047784U CN205351348U CN 205351348 U CN205351348 U CN 205351348U CN 201620047784 U CN201620047784 U CN 201620047784U CN 205351348 U CN205351348 U CN 205351348U
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- gas
- drying chamber
- gas catalysis
- film drying
- porous foam
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Abstract
The utility model provides a film drying chamber gas catalysis nonflame heating VOC processing system, relates to a film drying chamber waste gas treatment system, and including air exhauster, gas catalysis nonflame infrared heating catalytic treatment ware, VOC on -line measuring system, backwind tube, the air exhauster passes through the blast pipe to be connected with the film drying chamber, still is connected with gas catalysis nonflame infrared heating catalytic treatment ware through the trachea, the heating catalytic combustion unit that this treater includes the casing, comprises gas catalysis nonflame infrared heater and catalysis heat accumulator, it is connected with the film drying chamber through the backwind tube, still with the VOC on -line measuring headtotail. The utility model discloses a high efficiency of gas catalysis nonflame infrared heater adds heat accumulation, the catalysis of nice and warm catalysis heat accumulator, can make waste gas fully burnt, and its exhaust -gas treatment is thorough, and is efficient, has the characteristics that work load is few, degree of automation is high, the consumptive material use amount is few, the running cost low, reduce equipment investment and equipment area, easily uses widely.
Description
Technical field
This utility model relates to a kind of paint film drying room waste gases and processes system, and particularly a kind of paint film drying chamber gas catalysis flameless combustion VOC processes system.
Background technology
Along with the fast development of society, the demand of the passenger car such as passenger vehicle, car is increasing.Passenger vehicle, car production process in, external coating quality increasingly comes into one's own, and the drying of paint film is then one of important step of external coating.In the drying course of paint film, large quantity of exhaust gas can be produced, be discharged in air and will result in air pollution.Therefore, existing manufacturer is generally adopted dry treatment system or waste gas is processed by wet treatment system.Wherein dry treatment system is to remove the harmful gas in waste gas by absorbent charcoal adsorber, again through the diluting effect of Wind Volume, harmful gas concentration is reduced to below setting, then high altitude discharge is to reach environmental emission standard；The shortcoming that this system exists is as follows: one, harmful gas passes through activated carbon adsorption, activated carbon adsorption amount is limited, it is easy to saturated, as changed not in time, discharge gas can not meet environmental requirement, and exhaust-gas treatment is not thorough, so that frequent more activated carbon, workload is big, and consumptive material makes consumption big, and operating cost is high；Two, owing to activated carbon adsorption amount is limited, it is necessary to arrange multiple process system and the harmful gas solution of waste gas could be reduced to 0, thus its equipment investment cost is high, and occupation area of equipment is big.
Summary of the invention
The technical problems to be solved in the utility model is: provide a kind of paint film drying chamber gas catalysis flameless combustion VOC to process system, with solve exhaust-gas treatment that prior art exists not thoroughly, often more the workload of activated carbon greatly, consumptive material make the weak point that consumption is big, operating cost is high.
The technical scheme solving above-mentioned technical problem is: a kind of paint film drying chamber gas catalysis flameless combustion VOC processes system, including air exhauster, gas catalysis nonflame Infrared Heating Catalytic processor, VOC on-line detecting system, backwind tube, the air inlet of described air exhauster is connected with the exhaust vent of paint film drying chamber by exhaustor, the air outlet of air exhauster is connected with the entrance of gas catalysis nonflame Infrared Heating Catalytic processor by trachea, the outlet of gas catalysis nonflame Infrared Heating Catalytic processor is connected with the purification gas recovery port of paint film drying chamber by backwind tube, gas catalysis nonflame Infrared Heating Catalytic processor is also connected with VOC on-line detecting system.
Further technical scheme of the present utility model is: described gas catalysis nonflame Infrared Heating Catalytic processor includes housing, is positioned at least a set of heatable catalytic burner of housing, described heatable catalytic burner includes gas catalysis nonflame infrared radiation heater, catalytic thermal storage device, and gas catalysis nonflame infrared radiation heater is arranged on the front side of catalytic thermal storage device.
Further technical scheme of the present utility model is: described catalytic thermal storage device is made up of porous foam metal or porous foam ceramic or porous foam metal and porous foam ceramic.
Further technical scheme of the present utility model is: the catalyst all processed with the platinum group metal of low light-off temperature and rare earth metal on described porous foam metal, porous foam ceramic.
Further technical scheme of the present utility model is: described porous foam metal, the aperture of porous foam ceramic are 5～100ppi, and thickness is no less than 10mm.
Further technical scheme of the present utility model is: described porous foam metal is porous foam aluminium alloy or porous foam nickel or porous foam ferrum-chromium-aluminum；Described porous foam ceramic is foam silicon carbide ceramics or three oxygen two aluminum foams pottery.
Further technical scheme of the present utility model is: the described distance between gas catalysis nonflame infrared radiation heater and catalytic thermal storage device is not less than 10mm.
Further technical scheme of the present utility model is: described VOC on-line detecting system includes at least two exhaust gas concentration detection sensor, PLC processes system, display, described at least two exhaust gas concentration detection sensor is separately mounted to the front side of gas catalysis nonflame infrared radiation heater and the rear side of catalytic thermal storage device, the outfan of exhaust gas concentration detection sensor is connected with the PLC input processing system, and PLC processes the outfan of system and is connected with the input of gas catalysis nonflame infrared radiation heater, display respectively.
Further technical scheme of the present utility model is: the porch of described air exhauster is also equipped with new wind air inlet pipe, and this new wind air inlet pipe is provided with new wind air inlet adjustment valve.
Further technical scheme of the present utility model is: be additionally provided with purification gas reuse electrodynamic valve on described backwind tube；This backwind tube is connected to purification gas discharge pipe, purifies gas discharge pipe and be provided with purification gas discharging electrodynamic valve.
Owing to adopting said structure, the paint film drying chamber gas catalysis flameless combustion VOC of this utility model processes system compared with prior art, has the advantages that
1. exhaust-gas treatment is thorough, and efficiency is high:
Owing to this utility model includes air exhauster, at least one gas catalysis nonflame Infrared Heating Catalytic processor, backwind tube, VOC on-line detecting system, wherein the air inlet of air exhauster is connected with the exhaust vent of paint film drying chamber by exhaustor, the air outlet of air exhauster is connected with the entrance of gas catalysis nonflame Infrared Heating Catalytic processor by trachea, the outlet of gas catalysis nonflame Infrared Heating Catalytic processor is connected with the purification gas recovery port of paint film drying chamber by backwind tube, and gas catalysis nonflame Infrared Heating Catalytic processor is also connected with VOC on-line detecting system；Described gas catalysis nonflame Infrared Heating Catalytic processor includes housing, is positioned at least a set of heatable catalytic burner of housing, heatable catalytic burner includes gas catalysis nonflame infrared radiation heater, catalytic thermal storage device, and catalytic thermal storage device is made up of porous foam metal or porous foam ceramic or porous foam metal and porous foam ceramic.Therefore, this utility model is by the waste gas suction gas catalysis nonflame Infrared Heating Catalytic processor of paint film drying chamber by air exhauster, by the high-efficiency heating of gas catalysis nonflame infrared radiation heater and the accumulation of heat of catalytic thermal storage device, catalysis, waste gas can be made to be fully burned, only need within 0.05～0.1 second, the concentration of waste gas can be down to 0, more thoroughly, efficiency is very high for its exhaust-gas treatment ratio.
2. waste gas recovery can be utilized, save the energy:
Due to exhaust treatment system exhaust-gas treatment ratio of the present utility model more thoroughly, the concentration of waste gas can be down to 0, the purification gas of the overwhelming majority can be recycled in drying chamber by backwind tube, thus the energy can be greatly saved.
3. can reducing workload, automaticity is high:
This utility model is by the waste gas suction gas catalysis nonflame Infrared Heating Catalytic processor of paint film drying chamber by air exhauster, high-efficiency heating and the accumulation of heat of catalytic thermal storage device, catalysis again through gas catalysis nonflame infrared radiation heater, waste gas can be made to be fully burned, so that the process of waste gas is up to standard, thus this utility model is without adopting the mode of absorption, it is not necessary to often more activated carbon.In addition, this utility model also includes VOC on-line detecting system, can be detected the concentration of waste gas in real time by this VOC on-line detecting system, and automatically controls gas catalysis nonflame Infrared Heating Catalytic processor according to this concentration and process, its automaticity is very high, it is not necessary to manual intervention.Therefore, this utility model can reduce workload, decreases the labor intensity of workman.
4. consumptive material makes consumption few, and operating cost is low:
Owing to this utility model is that the mode adopting burning waste gas makes the process of waste gas up to standard, it is not necessary to will often change activated carbon, it is possible to decrease consumptive material makes consumption, thus effectively reducing operating cost.
5. greatly reduce equipment investment and occupation area of equipment:
This utility model is this utility model is by the waste gas suction gas catalysis nonflame Infrared Heating Catalytic processor of paint film drying chamber by air exhauster, high-efficiency heating and the accumulation of heat of catalytic thermal storage device, catalysis again through gas catalysis nonflame infrared radiation heater, waste gas can be made to be fully burned, so that the process of waste gas is up to standard, its exhaust-gas treatment ratio is more thoroughly.Therefore, this utility model passes through the process of one or two or three gas catalysis nonflame Infrared Heating Catalytic processors, the harmful gas solution of waste gas can be reduced to 0, it is not necessary to increase too many process system, thus equipment investment cost can be substantially reduced, also greatly reduce the floor space of equipment.
Below, the technical characteristic that the paint film drying chamber gas catalysis flameless combustion VOC of this utility model processes system in conjunction with the accompanying drawings and embodiments is further described.
Accompanying drawing explanation
Fig. 1: the paint film drying chamber gas catalysis flameless combustion VOC of this utility model described in embodiment one processes the structural representation of system,
Fig. 2: the paint film drying chamber gas catalysis flameless combustion VOC of this utility model described in embodiment two processes the structural representation of system.
In figure, each label declaration is as follows:
1-exhaustor,
The new wind air inlet pipe of 2-, the new wind air inlet adjustment valve of 21-,
3-air exhauster,
4-gas catalysis nonflame Infrared Heating Catalytic processor,
41a-the first gas catalysis nonflame infrared radiation heater,
41b-the second gas catalysis nonflame infrared radiation heater,
41c-the 3rd gas catalysis nonflame infrared radiation heater,
42a-the first catalytic thermal storage device,
42b-the second catalytic thermal storage device,
42c-the 3rd catalytic thermal storage device,
43-housing,
5-VOC on-line detecting system,
51a-the first exhaust gas concentration detection sensor,
51b-the second exhaust gas concentration detection sensor,
51c-the 3rd waste gas concentration detection sensor,
51d-the 4th exhaust gas concentration detection sensor,
52-PLC processes system,
6-purifies gas discharge pipe, and 61-purifies gas discharging electrodynamic valve,
7-backwind tube, 71-purifies gas reuse electrodynamic valve, 8-paint film drying chamber.
The direction of arrow in figure is gas flow direction.
Detailed description of the invention
Embodiment one:
A kind of paint film drying chamber gas catalysis flameless combustion VOC processes system (referring to Fig. 1), including air exhauster 3, gas catalysis nonflame Infrared Heating Catalytic processor 4, VOC on-line detecting system 5, backwind tube 7, wherein:
The air inlet of described air exhauster 3 is connected with the exhaust vent of paint film drying chamber 8 by exhaustor 1, and the porch of air exhauster 3 is provided with new wind air inlet pipe 2, and this new wind air inlet pipe 2 is provided with new wind air inlet adjustment valve 21；The air outlet of air exhauster 3 is connected with the entrance of gas catalysis nonflame Infrared Heating Catalytic processor 4 by trachea, the outlet of gas catalysis nonflame Infrared Heating Catalytic processor 4 is connected with the purification gas recovery port of paint film drying chamber 8 by backwind tube 7, backwind tube 7 is additionally provided with purification gas reuse electrodynamic valve 71, this backwind tube 7 is connected to purification gas discharge pipe 6, purifies gas discharge pipe 6 and be provided with purification gas discharging electrodynamic valve 61.
Described gas catalysis nonflame Infrared Heating Catalytic processor 4 includes housing 43, is positioned at three set heatable catalytic burners of housing 43 linearly type arrangement, often set heatable catalytic burner all includes gas catalysis nonflame infrared radiation heater, catalytic thermal storage device, wherein gas catalysis nonflame infrared radiation heater is arranged on the front side of catalytic thermal storage device, and the distance between gas catalysis nonflame infrared radiation heater and catalytic thermal storage device is not less than 10mm.
Above-mentioned three set heatable catalytic burners gas catalysis nonflame infrared radiation heater respectively: the first gas catalysis nonflame infrared radiation heater 41a, the second gas catalysis nonflame infrared radiation heater 41b, the 3rd gas catalysis nonflame infrared radiation heater 41c.
Above-mentioned three set heatable catalytic burners catalytic thermal storage device respectively: the first catalytic thermal storage device 42a, the second catalytic thermal storage device 42b, the 3rd catalytic thermal storage device 42c.
Above-mentioned catalytic thermal storage device is made up of porous foam metal or porous foam ceramic or porous foam metal and porous foam ceramic, the catalyst all processed with the platinum group metal of low light-off temperature and rare earth metal on porous foam metal, porous foam ceramic, porous foam metal, porous foam ceramic aperture be 5～100ppi, thickness is no less than 10mm.Wherein porous foam metal is porous foam aluminium alloy or porous foam nickel or porous foam ferrum-chromium-aluminum；Porous foam ceramic is foam silicon carbide ceramics or three oxygen two aluminum foams pottery.
Described VOC on-line detecting system 5 includes exhaust gas concentration detection sensor, PLC processes system 52, display, wherein exhaust gas concentration detection sensor have four, they respectively: first exhaust gas concentration detection sensor 51a, second exhaust gas concentration detection sensor 51b, the 3rd waste gas concentration detection sensor 51c, the 4th exhaust gas concentration detection sensor 51d；Wherein: the first exhaust gas concentration detection sensor 51a is arranged on front side of the first gas catalysis nonflame infrared radiation heater 41a, second exhaust gas concentration detection sensor 51b is arranged on front side of the second gas catalysis nonflame infrared radiation heater 41b, 3rd waste gas concentration detection sensor 51c is arranged on front side of the 3rd gas catalysis nonflame infrared radiation heater 41c, and the 4th exhaust gas concentration detection sensor 51d is arranged on rear side of the 3rd catalytic thermal storage device 42c；The outfan of these four exhaust gas concentration detection sensors is all connected with the PLC input processing system 52, for realizing the exhaust gas concentration in processor is carried out continual monitoring, PLC processes the outfan of system 52 and is connected with three gas catalysis nonflame infrared radiation heaters respectively, PLC processes the outfan of system 52 and is also connected with the input of display, to show currently detected exhaust gas concentration.
Embodiment two:
A kind of paint film drying chamber gas catalysis flameless combustion VOC processes system, its basic structure is all with embodiment one, all include air exhauster 3, gas catalysis nonflame Infrared Heating Catalytic processor 4, VOC on-line detecting system 5, backwind tube 7, be different in that: three set heatable catalytic burners of described gas catalysis nonflame Infrared Heating Catalytic processor 4 take the shape of the letter U arrangement (referring to Fig. 2).
This paint film drying chamber gas catalysis flameless combustion VOC processes the operation instruction of system:
The EGT discharged by paint film drying chamber top in principle is to reach more than 145 degree, the first set heatable catalytic burner being namely directly entered gas catalysis nonflame Infrared Heating Catalytic processor can be preheated process, owing to the thermocatalytic temperature of catalytic thermal storage device only needs 200～500 degree, and the heating-up temperature of gas catalysis nonflame infrared radiation heater is 600 degree, therefore, waste gas can be made to be fully burned, it is generally adopted two set heatable catalytic burners and the concentration of toxic emission can be down to 0, and the 3rd set heatable catalytic burner adopted is standby, substantially need not, if the concentration that the 3rd waste gas concentration detection sensor 51c monitors is not up to standard, then adopt PLC to process system and control the 3rd gas catalysis nonflame infrared radiation heater 41c work of the 3rd set heatable catalytic burner, exhaust gas concentration is reduced to 0.
When gas catalysis nonflame infrared radiation heater, catalytic thermal storage device operating temperature more than 600 degree time, new wind air inlet adjustment valve 21 can automatically open up to make operating temperature reduce, operating temperature is as lower than 550 degree, then new wind air inlet adjustment valve 21 can be automatically switched off, and makes the temperature of gas catalysis nonflame Infrared Heating Catalytic processor 4 be generally kept between 300-600 degree.
Claims (10)
1. a paint film drying chamber gas catalysis flameless combustion VOC processes system, it is characterized in that: include air exhauster (3), gas catalysis nonflame Infrared Heating Catalytic processor (4), VOC on-line detecting system (5), backwind tube (7), the air inlet of described air exhauster (3) is connected with the exhaust vent of paint film drying chamber (8) by exhaustor (1), the air outlet of air exhauster (3) is connected with the entrance of gas catalysis nonflame Infrared Heating Catalytic processor (4) by trachea, the outlet of gas catalysis nonflame Infrared Heating Catalytic processor (4) is connected with the purification gas recovery port of paint film drying chamber (8) by backwind tube (7), gas catalysis nonflame Infrared Heating Catalytic processor (4) is also connected with VOC on-line detecting system (5).
2. paint film drying chamber gas catalysis flameless combustion VOC according to claim 1 processes system, it is characterized in that: described gas catalysis nonflame Infrared Heating Catalytic processor (4) includes housing (43), is positioned at least a set of heatable catalytic burner of housing (43), described heatable catalytic burner includes gas catalysis nonflame infrared radiation heater, catalytic thermal storage device, and gas catalysis nonflame infrared radiation heater is arranged on the front side of catalytic thermal storage device.
3. paint film drying chamber gas catalysis flameless combustion VOC according to claim 2 processes system, it is characterised in that: described catalytic thermal storage device is made up of porous foam metal or porous foam ceramic or porous foam metal and porous foam ceramic.
4. paint film drying chamber gas catalysis flameless combustion VOC according to claim 3 processes system, it is characterised in that: all with the catalyst of the platinum group metal of low light-off temperature and rare earth metal process on described porous foam metal, porous foam ceramic.
5. paint film drying chamber gas catalysis flameless combustion VOC according to claim 3 processes system, it is characterised in that: described porous foam metal, the aperture of porous foam ceramic are 5～100ppi, and thickness is no less than 10mm.
6. paint film drying chamber gas catalysis flameless combustion VOC according to claim 3 processes system, it is characterised in that: described porous foam metal is porous foam aluminium alloy or porous foam nickel or porous foam ferrum-chromium-aluminum；Described porous foam ceramic is foam silicon carbide ceramics or three oxygen two aluminum foams pottery.
7. paint film drying chamber gas catalysis flameless combustion VOC according to claim 2 processes system, it is characterised in that: the described distance between gas catalysis nonflame infrared radiation heater and catalytic thermal storage device is not less than 10mm.
8. paint film drying chamber gas catalysis flameless combustion VOC according to claim 2 processes system, it is characterized in that: described VOC on-line detecting system (5) includes at least two exhaust gas concentration detection sensor, PLC processes system (52), display, described at least two exhaust gas concentration detection sensor is separately mounted to the front side of gas catalysis nonflame infrared radiation heater and the rear side of catalytic thermal storage device, the outfan of exhaust gas concentration detection sensor is connected with the PLC input processing system (52), PLC process system (52) outfan respectively with gas catalysis nonflame infrared radiation heater, the input of display connects.
9. paint film drying chamber gas catalysis flameless combustion VOC according to claim 1 processes system, it is characterized in that: the porch of described air exhauster (3) is also equipped with new wind air inlet pipe (2), this new wind air inlet pipe (2) is provided with new wind air inlet adjustment valve (21).
10. the paint film drying chamber gas catalysis flameless combustion VOC according to claim 1 to 9 any claim processes system, it is characterised in that: described backwind tube (7) is additionally provided with purification gas reuse electrodynamic valve (71)；This backwind tube (7) is connected to purification gas discharge pipe (6), purifies gas discharge pipe (6) and be provided with purification gas discharging electrodynamic valve (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620047784.8U CN205351348U (en) | 2016-01-19 | 2016-01-19 | Film drying chamber gas catalysis nonflame heating VOC processing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620047784.8U CN205351348U (en) | 2016-01-19 | 2016-01-19 | Film drying chamber gas catalysis nonflame heating VOC processing system |
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| CN205351348U true CN205351348U (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620047784.8U Expired - Fee Related CN205351348U (en) | 2016-01-19 | 2016-01-19 | Film drying chamber gas catalysis nonflame heating VOC processing system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509074A (en) * | 2016-01-19 | 2016-04-20 | 周海波 | Fuel gas catalysis flameless heating VOC treatment system for paint film drying chamber |
| CN106556138A (en) * | 2016-10-31 | 2017-04-05 | 江阴市国豪电热电器制造有限公司 | A kind of air duct type electric heater of homogeneous heating |
| CN106610024A (en) * | 2017-02-10 | 2017-05-03 | 东莞市太阳线缆设备有限公司 | Waste gas treatment device for enamelling machine |
| CN108592056A (en) * | 2017-12-26 | 2018-09-28 | 合肥恒力装备有限公司 | A kind of catalysis oxidation VOCs devices and processing method |
| CN110094745A (en) * | 2018-05-13 | 2019-08-06 | 佛山市佳威节能环保设备有限公司 | A kind of energy-saving and emission-reduction method of binary channel processing gravure organic exhaust gas |
| CN111111434A (en) * | 2020-01-15 | 2020-05-08 | 上海第二工业大学 | Equipment for catalytic degradation of VOCs gas through infrared heating |
| WO2022223075A1 (en) * | 2021-04-19 | 2022-10-27 | Dürr Systems Ag, Stuttgart | Workpiece treatment installation and method for producing and operating a workpiece treatment installation of this kind |
-
2016
- 2016-01-19 CN CN201620047784.8U patent/CN205351348U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509074A (en) * | 2016-01-19 | 2016-04-20 | 周海波 | Fuel gas catalysis flameless heating VOC treatment system for paint film drying chamber |
| CN106556138A (en) * | 2016-10-31 | 2017-04-05 | 江阴市国豪电热电器制造有限公司 | A kind of air duct type electric heater of homogeneous heating |
| CN106610024A (en) * | 2017-02-10 | 2017-05-03 | 东莞市太阳线缆设备有限公司 | Waste gas treatment device for enamelling machine |
| CN108592056A (en) * | 2017-12-26 | 2018-09-28 | 合肥恒力装备有限公司 | A kind of catalysis oxidation VOCs devices and processing method |
| CN110094745A (en) * | 2018-05-13 | 2019-08-06 | 佛山市佳威节能环保设备有限公司 | A kind of energy-saving and emission-reduction method of binary channel processing gravure organic exhaust gas |
| CN111111434A (en) * | 2020-01-15 | 2020-05-08 | 上海第二工业大学 | Equipment for catalytic degradation of VOCs gas through infrared heating |
| WO2022223075A1 (en) * | 2021-04-19 | 2022-10-27 | Dürr Systems Ag, Stuttgart | Workpiece treatment installation and method for producing and operating a workpiece treatment installation of this kind |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20190119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |