CN203599025U - Varnish stoving house capable of processing tail gas with ultraviolet rays - Google Patents
Varnish stoving house capable of processing tail gas with ultraviolet rays Download PDFInfo
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- CN203599025U CN203599025U CN201320799058.8U CN201320799058U CN203599025U CN 203599025 U CN203599025 U CN 203599025U CN 201320799058 U CN201320799058 U CN 201320799058U CN 203599025 U CN203599025 U CN 203599025U
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- Prior art keywords
- drying system
- combined padding
- house
- active carbon
- catalytic
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- Expired - Lifetime
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- 238000012545 processing Methods 0.000 title claims abstract description 15
- 239000002966 varnish Substances 0.000 title abstract 6
- 239000003960 organic solvent Substances 0.000 claims abstract description 29
- 238000001179 sorption measurement Methods 0.000 claims abstract description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 239000000919 ceramic Substances 0.000 claims abstract description 19
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 18
- 238000007084 catalytic combustion reaction Methods 0.000 claims abstract description 15
- 238000001035 drying Methods 0.000 claims description 46
- 230000003197 catalytic effect Effects 0.000 claims description 27
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 241000264877 Hippospongia communis Species 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 239000003344 environmental pollutant Substances 0.000 abstract description 4
- 231100000719 pollutant Toxicity 0.000 abstract description 4
- 239000002912 waste gas Substances 0.000 description 14
- 239000007789 gas Substances 0.000 description 13
- 239000003973 paint Substances 0.000 description 11
- 238000010521 absorption reaction Methods 0.000 description 6
- 239000003085 diluting agent Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 4
- 238000003795 desorption Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000005194 fractionation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010422 painting Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical group CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 239000000809 air pollutant Substances 0.000 description 2
- 231100001243 air pollutant Toxicity 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 238000009841 combustion method Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 206010020843 Hyperthermia Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- KKNRVCPJYUEZSM-UHFFFAOYSA-N butan-1-ol butyl acetate ethyl acetate Chemical class C(CCC)O.C(C)(=O)OCCCC.C(C)(=O)OCC KKNRVCPJYUEZSM-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000036031 hyperthermia Effects 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- FERGBEUROJYWJQ-UHFFFAOYSA-N propan-2-one;toluene;1,2-xylene Chemical compound CC(C)=O.CC1=CC=CC=C1.CC1=CC=CC=C1C FERGBEUROJYWJQ-UHFFFAOYSA-N 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000010888 waste organic solvent Substances 0.000 description 1
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model provides a varnish stoving house capable of processing tail gas with ultraviolet rays. A cowper stove is installed in a varnish stoving house body and used for heating the air in the varnish stoving house. An air circulation system comprises multiple fans and circulation pipelines matched with the fans, so that the temperature in the varnish stoving house is balanced. An adsorption house is arranged on the varnish stoving house body. Ceramic heating pipes are arranged in a catalytic combustion house and evenly distributed in the catalytic combustion house. The catalytic combustion house is connected with a hot air circulating system. An active carbon layer, a steam generator and an organic solvent collecting device are arranged in the adsorption house. The steam generator is connected with the hot air circulation system. The organic solvent collecting device is connected with the catalytic combustion house. A method of active carbon adsorption and catalytic combustion is used for processing organic solvents, extra pollutants will not be generated, and possibilities of secondary pollution are reduced. The ceramic heating pipes are used for heating active carbon and evenly heated so as to avoid the situation that the heating pipes are locally excessively heated and consequentially the active carbon burns.
Description
Technical field
The utility model relates to a kind of combined padding and drying system, is specifically related to a kind of combined padding and drying system with air cleaning unit, belongs to gaseous contamination control technology field, can be widely used in automobile industry.
Background technology
In manufacturing technique for painting dressing, coating waste gas mainly comes from pre-treatment, spraying, dry run, the pollutant discharging is mainly: the dust producing in pretreatment process or acid mist, the coating cloud and the organic solvent that while spraying paint, produce, the organic solvent producing when drying and volatilizing.Coating cloud mainly comes from the part that in aerial spraying operation, solvent based coating disperses, and its composition is consistent with used coating.Organic solvent mainly comes from solvent, the diluent in coating use procedure, and the overwhelming majority belongs to volatility discharge, and its main pollutant is dimethylbenzene, benzene, toluene etc.The harmful exhaust discharging in application mainly concentrates on painting line, wherein paint spray booth, dry chamber, drying chamber is the main generation source of waste gas.
The tail gas unit that in manufacturing technique for painting dressing automobiles, combined padding and drying system uses is at present mainly used in indoor air to be purified and reached the effect that iterative cycles uses by modes such as filtrations, or outdoor air is introduced after a series of purified treatment indoor, fresh have be less specifically designed to the air cleaning unit that purifies the waste gas that discharges of combined padding and drying system.And the air cleaning unit of combined padding and drying system be generally with regenerating active carbon method be water vapour desorption method, mist after desorption enters condenser and is cooled to liquid, enter again separator, solvent is separated with water, reach and reclaim solvent object, and in Separation of Water, contain a large amount of organic solvents, need could discharge after treatment, its processing cost is high, and can cause secondary pollution to water source.
Summary of the invention
Goal of the invention of the present utility model is: solve the organic solvent Separation of Water difficult treatment and the directly problem of discharge of ozone that in existing combined padding and drying system tail gas ultraviolet processing, produce, proposed a kind of tail gas ultraviolet treating apparatus that does not produce Separation of Water.
The technical solution of the utility model: a kind of combined padding and drying system with the processing of tail gas ultraviolet, is characterized in that: comprise combined padding and drying system body, hot-blast stove, air circulation system, adsorption chamber, ultraviolet catalytic chamber, catalytic combustor and hot air circulating system; The install of hot-air furnace is in combined padding and drying system body, be used for heating combined padding and drying system inner air, the circulating line that air circulation system comprises some blower fans and mates with it, makes temperature equalization in combined padding and drying system, ultraviolet catalytic chamber connects adsorption chamber, adsorption chamber and being arranged on combined padding and drying system body;
The indoor ceramic heating pipe that is provided with of described catalytic combustion, it is indoor that ceramic heating pipe is evenly distributed in catalytic combustion, and catalytic combustor is also connected with hot air circulating system;
In described adsorption chamber, be provided with active carbon layer, steam generator and organic solvent collecting device, steam generator is connected with hot air circulating system, and organic solvent collecting device is connected with catalytic combustor.
As preferably, described active carbon layer is selected active carbon fiber fabrics.
As preferably, described hot air circulating system is also connected with the intrinsic hot-blast stove of combined padding and drying system.
As preferably, ultraviolet catalytic chamber adopts two ultraviolet lamp tubes that are arranged in plane to add three floor ceramic honey comb, the surperficial titanium dioxide coating nanometer layer of ceramic honey comb.
The beneficial effects of the utility model: (1) processes organic solvent by the method for charcoal absorption and catalytic combustion, can not produce extra pollutant, increasing ultraviolet catalytic chamber can make the adsorption efficiency of adsorption chamber improve, ozone in air can dissociate, and have effect clean and activated carbon adsorbent, reduce the possibility of secondary pollution; (2) active carbon fiber fabrics that uses adsorption efficiency more to increase carries out the absorption to organic solvent, and adsorption efficiency is high; (3) use ceramic heating pipe heat activated charcoal, be heated evenly and be difficult for occurring the too high situation that causes active carbon burning of heating tube local temperature; (4) heat producing with catalytic combustion in tail gas, so that combined padding and drying system to be provided, takes full advantage of waste gas organic solvent in processing tail gas.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Specific embodiments
Below in conjunction with drawings and Examples, the utility model is further illustrated.
With a combined padding and drying system for tail gas ozone treatment, comprise combined padding and drying system body 1, hot-blast stove 2, air circulation system, adsorption chamber 3, catalytic combustor 4 and hot air circulating system; Hot-blast stove 2 is arranged in combined padding and drying system body 1, and for heating combined padding and drying system inner air, the circulating line that air circulation system comprises some blower fans and mates with it, makes temperature equalization in combined padding and drying system, adsorption chamber 3 and being arranged on combined padding and drying system body 1; In described catalytic combustor 4, be provided with ceramic heating pipe, ceramic heating pipe is evenly distributed in catalytic combustor 4, and catalytic combustor 4 is also connected with hot air circulating system; In described adsorption chamber 3, be provided with active carbon layer, steam generator and organic solvent collecting device, connect adsorption chamber 3, the structure of ultraviolet catalytic chamber is as follows: adopt two ultraviolet lamp tubes that are arranged in plane to add three floor ceramic honey comb, ceramic honey comb surface titanium dioxide coating nanometer layer, steam generator is connected with hot air circulating system, and organic solvent collecting device is connected with catalytic combustor 4; Described active carbon layer is selected active carbon fiber fabrics; Described hot air circulating system is also connected with the hot-blast stove 2 in combined padding and drying system body 1.
Specific embodiments
Below in conjunction with drawings and Examples, the utility model is further illustrated.
With a combined padding and drying system for tail gas ultraviolet processing, comprise combined padding and drying system body 1, hot-blast stove 2, air circulation system, adsorption chamber 3, catalytic combustor 4 and hot air circulating system; Hot-blast stove 2 is arranged in combined padding and drying system body 1, and for heating combined padding and drying system inner air, the circulating line that air circulation system comprises some blower fans and mates with it, makes temperature equalization in combined padding and drying system, adsorption chamber 3 and being arranged on combined padding and drying system body 1; In described catalytic combustor 4, be provided with ceramic heating pipe, ceramic heating pipe is evenly distributed in catalytic combustor 4, and catalytic combustor 4 is also connected with hot air circulating system; In described adsorption chamber 3, be provided with active carbon layer, steam generator and organic solvent collecting device, steam generator is connected with hot air circulating system, and organic solvent collecting device is connected with catalytic combustor 4; Described active carbon layer is selected active carbon fiber fabrics; Described hot air circulating system is also connected with the hot-blast stove 2 in combined padding and drying system body 1.
Automobile enters baking finish operation completing after spraying paint, hot-blast stove 2 directly heats the air after filtering, in drying room, temperature is controlled at 80 ℃ of left and right, automobile after spraying paint is toasted, because hot-blast stove 2 exports skewness, the air themperature of combined padding and drying system body 1 easily produces localized hyperthermia or low temperature, causes baking finish result not good, multiple air circulation systems are set in combined padding and drying system body 1, make the air in combined padding and drying system body 1 keep uniform temp;
The paint that the waste gas of finish-baking room for automobile produces while being mostly automobile touch-up paint, baking finish and diluent waste gas, paint and the main components in percentage by weight of diluent are in table 1:
Table 1: paint, diluent main components in percentage by weight table (%)
| Material name | Butyl acetate | Ethyl acetate | Butanols | Toluene | Dimethylbenzene | Acetone |
| Paint | 13.5 | 5.7 | 9.6 | 4.4 | 3.0 | 2.4 |
| Diluent | 25.0 | 22.0 | 20.0 | 15.0 | 2.0 | 14.0 |
Adsorption chamber 3 adopts negative inspiratory pressure mode to collect room air, and the waste gas of collection is delivered to roof discharge, active carbon specific area (500-1200m after active carbon layer absorption
2/ g) large, there is excellent absorption property, make organic solvent steam adsorb its surface, after charcoal absorption organic solvent, its absorption affinity will reduce gradually, in order to guarantee adsorption efficiency, need desorption, make active carbon activity recovery again, aqueous vapor is changed into steam by steam generator, utilize the organic solvent in steam desorption active carbon, organic solvent steam is collected by organic solvent collecting device condensation.
The organic solvent waste liquid of collecting contains a large amount of combustible organic matters, is generally that fractionation utilization again or burning produce heat and process organic solvent waste liquid, and fractionation needs a set of fractionation apparatus matching again, and general enterprises does not possess corresponding conditions; Adopt combustion method to process when coating waste gas, in the time that the concentration of mixed solvent in waste gas is higher, from security consideration, need be with Dilution air the 1/4-1/5 to mixed solvent concentration of lower explosive limit, the processing of just burning.Combustion method need be heated to 700-800 ℃ by the waste organic solvent gas containing, and making its burning or oxidation Decomposition is CO2 and H2O.Waste gas stops 0.5-1.0s in combustion chamber, and the completing combustion under higher temperature of the waste gas such as hydrocarbon produces photochemical fog material NOx simultaneously.The generation of NOx during with burning kind, ignition temperature, apparatus structure and burning required air quantity relevant, wherein the most important thing is ignition temperature.For avoiding producing a large amount of photochemical fog material NOx, ignition temperature should be controlled at below 800 ℃, and above all conditions are difficult for small-sized maintenance factory, cannot carry out.
Catalytic combustion is that the waste gas containing organic solvent is heated to 200-320 ℃, then contacts with catalyst, carries out aphlogistic catalytic combustion, generates CO2 and H2O.Catalytic combustion technical stronger, before selective catalysis temperature, must understand the organic principle in organic exhaust gas, otherwise be easy to cause incomplete oxidation, make the particulate of organic solvent be adsorbed on catalyst carrier surface, in the course of time, the activity of catalyst is declined, affect purifying rate, therefore Ceramics heating tube is as heating source, ceramic heating pipe can be uniformly distributed heat, and catalytic temperature is controlled, and can not cause the uneven incomplete phenomenon of catalysis causing of being heated; For the catalyst of catalytic combustion, maximum with precious metals pt, Pd, also have rare-earth metal catalyst.
The waste heat that the interior organic solvent catalytic combustion of catalytic combustor 4 produces can be delivered to by hot air circulating system the steam generator of adsorption chamber 3, utilizes.Also can by for heat be delivered to hot-blast stove 2 front ends, hot-blast stove 2 front end air are carried out to preheating.
Embodiment:
Test is 3000m3/h by baking finish room ventilation, and height of release is 15m.Car load sprays paint needs paint 3kg, diluent 1.5kg, and baking overall process needs to complete for 2 hours.Waste gas per hour and tail gas generation after treatment are in table 2:
Table 2: waste gas and tail gas after treatment generation per hour
Toxic emission after treatment meets " discharge standard of air pollutants " of country.
Drop ozone after processing, only detected, all meet " discharge standard of air pollutants ", can combined padding and drying system around not produced and be polluted.
It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.In the present embodiment not clear and definite each part all available prior art realized.
Claims (4)
1. with a combined padding and drying system for tail gas ultraviolet processing, it is characterized in that: comprise combined padding and drying system body (1), hot-blast stove (2), air circulation system, adsorption chamber (3), ultraviolet catalytic chamber, catalytic combustor (4) and hot air circulating system; The install of hot-air furnace is (1) in combined padding and drying system body, be used for heating combined padding and drying system inner air, the circulating line that air circulation system comprises some blower fans and mates with it, makes temperature equalization in combined padding and drying system, ultraviolet catalytic chamber connects adsorption chamber 3, adsorption chamber (3) and being arranged on combined padding and drying system body;
Described catalytic combustor is provided with ceramic heating pipe in (4), and it is indoor that ceramic heating pipe is evenly distributed in catalytic combustion, and catalytic combustor is also connected with hot air circulating system;
Described adsorption chamber is provided with active carbon layer, steam generator and organic solvent collecting device in (3), and steam generator is connected with hot air circulating system, and organic solvent collecting device is connected with catalytic combustor (4).
2. a kind of combined padding and drying system with the processing of tail gas ultraviolet according to claim 1, is characterized in that: described active carbon layer is selected active carbon fiber fabrics.
3. a kind of combined padding and drying system with the processing of tail gas ultraviolet according to claim 1, is characterized in that: described hot air circulating system is also connected with the hot-blast stove (2) on combined padding and drying system body (1).
4. a kind of combined padding and drying system with the processing of tail gas ultraviolet according to claim 1, is characterized in that: ultraviolet catalytic chamber adopts two ultraviolet lamp tubes that are arranged in plane to add three floor ceramic honey comb, ceramic honey comb surface titanium dioxide coating nanometer layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320799058.8U CN203599025U (en) | 2013-12-05 | 2013-12-05 | Varnish stoving house capable of processing tail gas with ultraviolet rays |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320799058.8U CN203599025U (en) | 2013-12-05 | 2013-12-05 | Varnish stoving house capable of processing tail gas with ultraviolet rays |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203599025U true CN203599025U (en) | 2014-05-21 |
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ID=50711726
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320799058.8U Expired - Lifetime CN203599025U (en) | 2013-12-05 | 2013-12-05 | Varnish stoving house capable of processing tail gas with ultraviolet rays |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203599025U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959282A (en) * | 2015-07-27 | 2015-10-07 | 路密 | Anti-oxidation coating apparatus and coating drying method |
-
2013
- 2013-12-05 CN CN201320799058.8U patent/CN203599025U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959282A (en) * | 2015-07-27 | 2015-10-07 | 路密 | Anti-oxidation coating apparatus and coating drying method |
| CN104959282B (en) * | 2015-07-27 | 2017-12-12 | 路密 | A kind of anti-oxidation coating apparatus and coating furnace drying method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 224300, Panlong Road, Yancheng City, Jiangsu Province, No. 88, Jiangsu Patentee after: JIANGSU HONGJIE ENVIRONMENTAL PROTECTION ENGINEERING CO.,LTD. Address before: 224300, Panlong Road, Yancheng City, Jiangsu Province, No. 88, Jiangsu Patentee before: JIANGSU HONGJIE ENVIRONMENTAL ENGINEERING EQUIPMENT Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140521 |