CN207805325U - VOCs processing units for paint industry - Google Patents
VOCs processing units for paint industry Download PDFInfo
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- CN207805325U CN207805325U CN201721629353.3U CN201721629353U CN207805325U CN 207805325 U CN207805325 U CN 207805325U CN 201721629353 U CN201721629353 U CN 201721629353U CN 207805325 U CN207805325 U CN 207805325U
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Abstract
Include that exhaust gas enters pipeline the utility model discloses the VOCs processing units for paint industry, exhaust gas enters pipeline successively along being connected with gas filtration system, zeolite Adsorption Concentration runner system, rotary RTO systems and chimney.The VOCs processing units for paint industry of the utility model can utilize the humidity of residual heat of reaction adjusting VOCs exhaust gas.
Description
Technical field
The utility model belongs to organic waste gas treatment device technical field, is related to a kind of VOCs processing for paint industry
Device.
Background technology
Along with the rapid industrial development in our country, while economy grows at top speed, atmosphere pollution situation also getting worse.
Wherein, the discharge of volatile organic matter (VOCs, Volatile Organic Compounds) is cause atmosphere pollution important
The VOCs exhaust gas of one of reason, industrial discharge plays critical effect in atmosphere pollution forming process, be cause PM2.5 and
O3The important as precursors object of pollution.VOCs has stronger photo-oxidative, accelerates photochemical reaction, is that secondary organic aerosol is formed
Major reason, further generate secondary pollution.Currently, the VOCs discharge standards that country and each province and city are put into effect are concentrated mainly on
Industrial coating industry, petroleum chemical industry, packages printing industry, industrial coating are also the key industry for becoming the discharge of VOCs exhaust gas
One of.For this purpose, country has put into effect a series of laws and regulations, relevant policies file and renovation scheme, it is desirable that increase to industry
Industrial coating VOCs emission controls are pushed forward in application VOCs managements comprehensively.In the industrial coating VOCs discharges that each province and city are formulated
In standard, most area requires highest that concentration of emission is allowed to be 30mg/m3, the VOCs of paint industry administers extremely urgent.
Industrial coating refers to metal and nonmetallic surface protective mulch or decorative layer, and application is a system engineering,
It includes that can all be produced in these processes to the processing on coated article surface, spraying process and dry three basic working procedures before application
The discharge of raw VOCs.Industrial coating process is mainly used in painting dressing automobiles, Furniture manufacture, engineering machinery and steel construction etc. production
In the process, the VOCs exhaust gas constituents types of discharge are various, and the equipment for selecting end purified treatment seems particularly critical.Paint industry
VOCs exhaust gas have the characteristics that air quantity is big, concentration is low, humidity is high, the particle of coating cloud is small in exhaust gas, large viscosity, easily sticks.
Utility model content
The purpose of this utility model is to provide the VOCs processing units for paint industry, residual heat of reaction can be utilized to adjust
The humidity of VOCs exhaust gas.
The utility model the technical scheme adopted is that VOCs processing units for paint industry, include exhaust gas into
Enter pipeline, exhaust gas enters pipeline successively along being connected with gas filtration system, zeolite Adsorption Concentration runner system, rotary RTO systems
And chimney.
The utility model is further characterized in that,
Gas filtration system is three-level filter device.
Three-level filter device includes according to the sequentially connected DPA paint-fog filters of exhaust gas approach axis, F7 efficiency filters
With F9 efficiency filters, F9 efficiency filters connect zeolite Adsorption Concentration runner system by pipeline.
Be additionally provided with level-one differential pressure pickup between DPA paint-fog filters and F7 efficiency filters, F7 efficiency filters and
Two level differential pressure pickup is additionally provided between F9 efficiency filters, between F9 efficiency filters and zeolite Adsorption Concentration runner system
It is additionally provided with three-level differential pressure pickup.
Exhaust gas enters pipeline and is connected with lacquer spraying waste gas pipeline and drying exhaust piping, and exhaust gas, which enters, is additionally provided with temperature on pipeline
Humidity sensor.
Zeolite Adsorption Concentration runner system include the cooling feed channel being connect respectively with gas filtration system and absorption wind turbine,
Further include zeolite runner, adsorption zone, desorption area and cooling zone are provided on zeolite runner, absorption wind turbine connects adsorption zone, absorption
Area is also associated with clean feed channel, and clean feed channel connects chimney, and cooling feed channel is connected with desorption heat exchanger across cooling zone,
Desorption heat exchanger is also connected with rotary RTO systems and chimney, and desorption area connects rotary RTO systems also by concentration feed channel,
Zeolite runner is also associated with wheel drive means, concentrates and is provided with desorption wind turbine in feed channel.
Rotary RTO systems include the main air blower being connect with concentration feed channel, and main air blower is connected with rotary RTO, rotates
Formula RTO connection afterheat heat exchangers, afterheat heat exchanger connect chimney.
Rotary RTO includes the combustion chamber set gradually from top to bottom, regenerative chamber, distributor chamber, goes out to enter the room and purge room, is gone out
Side of entering the room is connect with main air blower, and the side opposite with main air blower that go out to enter the room is connected with discharge tube, and discharge tube connects waste heat
Heat exchanger, discharge tube also connect exhaust gas by wet down admission line and enter pipeline, and combustion chamber is connected by high-temperature pipe and is desorbed
Heat exchanger.
It is provided with proportioning valve on wet down admission line.
Waste heat pipeline is also associated on afterheat heat exchanger.
The utility model has the beneficial effects that：
(1) lacquer spraying waste gas is by with after drying exhaust gas mixing, contributing to the humidity for reducing exhaust gas, making full use of two kinds of exhaust gas
The characteristics of, and introduce simultaneously the waste heat of rotary RTO to desorption heat exchanger by the control of the moisture stable of exhaust gas within 80%,
40 DEG C of temperature hereinafter, save the investment cost of dehumidification equipment, make zeolite Adsorption Concentration runner system keep higher absorption and
Efficiency is desorbed.
(2) lacquer spraying waste gas and drying exhaust gas participate in Adsorption Concentration together so that the exhausted air quantity for entering rotary RTO processing is big
Width reduces, and rotary RTO equipment investments and operating cost is greatly saved.
(3) three-level filter device being made of DPA paint-fog filters, F7 efficiency filters and F9 efficiency filters can ensure that
1 μm or more of coating cloud and impurity will not enter zeolite runner.
(4) air inlet of zeolite runner cooling zone uses filtered exhaust gas, so that the exhausted air quantity into adsorption zone is reduced, helps
In the design capacity for reducing zeolite runner, expense of reducing investment outlay.
(5) zeolite Adsorption Concentration runner system is suitable for handling the organic exhaust gas of Wind Volume, low concentration, and purification efficiency is steady
It is fixed, stabilised efficiency is desorbed, operating cost is low, and concentration is up to 20 times.
(6) there was only 25Pa to concentration exhaust piping pressure oscillation when rotary RTO work, zeolite Adsorption Concentration is contributed to turn
The absorption of wheel system and desorption stabilised efficiency compared to two bed type and three bed type RTO there is treatment effeciency to be up to 99.5%, heat profit
It is more than 95% with efficiency, the features such as key component life is long, and floor space is small.
Description of the drawings
Fig. 1 is structural schematic diagram of the utility model for the VOCs processing units of paint industry.
In figure, 1. gas filtration systems, 2. zeolite Adsorption Concentration runner systems, 3. rotary RTO systems, 4. chimneys；
10. exhaust gas enters pipeline, 11. Temperature Humidity Sensors, 12. three-level filter devices, 13. wet down admission lines, 14. ratios
Example valve；
121.DPA paint-fog filters, 122.F7 efficiency filters, 123.F9 efficiency filters, 124. level-one pressure difference sensings
Device, 125. two level differential pressure pickups, 126. three-level differential pressure pickups；
21. adsorbing wind turbine, 22. desorption wind turbines, 23. zeolite runners, 24. cooling feed channels, 25. clean feed channels, 26. is dense
Contracting feed channel, 27. desorption heat exchangers, 28. high temperature feed channels；
231. adsorption zones, 232. desorption areas, 233. cooling zones, 234. wheel drive means；
30. main air blower, 31. rotary RTO, 311. combustion chambers, 312. regenerative chambers, 313. distributor chambers, 314. go out to enter the room,
315. purging rooms, 32. discharge tubes, 33. afterheat heat exchangers, 34. waste heat pipelines.
Specific implementation mode
The utility model is described in detail with reference to the accompanying drawings and detailed description.
Include that exhaust gas enters pipeline 10, it is suitable successively that exhaust gas enters pipeline 10 for the VOCs processing units of paint industry
It is connected with gas filtration system 1, zeolite Adsorption Concentration runner system 2, rotary RTO systems 3 and chimney 4.
Gas filtration system 1 is three-level filter device 12.
Three-level filter device 12 includes according to the sequentially connected DPA paint-fog filters 121 of exhaust gas approach axis, F7 efficiency mistakes
Filter 122 and F9 efficiency filters 123, F9 efficiency filters 123 connect zeolite Adsorption Concentration runner system 2 by pipeline.
Level-one differential pressure pickup 124, F7 efficiency are additionally provided between DPA paint-fog filters 121 and F7 efficiency filters 122
Two level differential pressure pickup 125, F9 efficiency filters 123 and zeolite are additionally provided between filter 122 and F9 efficiency filters 123
Three-level differential pressure pickup 126 is additionally provided between Adsorption Concentration runner system 2.
Exhaust gas enters pipeline 10 and is connected with lacquer spraying waste gas pipeline and drying exhaust piping, and exhaust gas, which enters on pipeline 10, to be also set up
There is Temperature Humidity Sensor 11.
Zeolite Adsorption Concentration runner system 2 includes the cooling feed channel 24 being connect respectively with gas filtration system 1 and absorption
Wind turbine 21 further includes zeolite runner 23, and adsorption zone 231, desorption area 232 and cooling zone 233, absorption are provided on zeolite runner 23
Wind turbine 21 connects adsorption zone 231, and adsorption zone 231 is also associated with clean feed channel 25, and clean feed channel 25 connects chimney 4, cooling
Feed channel 24 is connected with desorption heat exchanger 27 across cooling zone 233, and desorption heat exchanger 27 is also connected with rotary RTO systems 3 and cigarette
Chimney 4, desorption area 232 connect rotary RTO systems 3 also by concentration feed channel 26, and zeolite runner 23 is also associated with runner driving
Device 234 concentrates and is provided with desorption wind turbine 22 in feed channel 26.
Rotary RTO systems 3 include the main air blower 30 being connect with concentration feed channel 26, and main air blower 30 is connected with rotatably
RTO31, rotary RTO31 connections afterheat heat exchanger 33, afterheat heat exchanger 33 connect chimney 4.
Rotary RTO31 includes the combustion chamber 311 set gradually from top to bottom, regenerative chamber 312, distributor chamber 313, goes out to enter the room
314 with purging room 315, and 314 sides that go out to enter the room are connect with main air blower 30, and 314 sides opposite with main air blower 30 that go out to enter the room are connect
There are discharge tube 32, discharge tube 32 to connect afterheat heat exchanger 33, discharge tube 32 also connects by wet down admission line 13 useless
Gas enters pipeline 10, and combustion chamber 311 connects desorption heat exchanger 27 by high-temperature pipe 28.
Proportioning valve 14 is provided on wet down admission line 13.
Waste heat pipeline 34 is also associated on afterheat heat exchanger 33.
The operation principle of VOCs processing unit of the utility model for paint industry be：
(1) workflow of gas filtration system
Enter three by adjusting the proportioning valve 14 installed on wet down admission line 13 and adjusting according to the desired value of default
The humiture of grade 12 exhaust gas of filter device, the exhaust gas dried exhaust gas and lacquer spraying waste gas and be discharged from rotary RTO pass through jointly
Exhaust gas enters 10 three-level filter device 12 of pipeline, and exhaust gas sequentially passes through DPA paint-fog filters 121, F7 efficiency filters 122, F9
Efficiency filters 123 are filtered, meanwhile, the work shape of 124 Real-time Feedback DPA paint-fog filters 121 of level-one differential pressure pickup
State, the working condition of 125 Real-time Feedback F7 efficiency filters 122 of two level differential pressure pickup, three-level differential pressure pickup 126 are anti-in real time
The working condition for presenting F9 efficiency filters 123, when filter reaches full load condition, system automatic alarm prompts removable parts
Filter, the small coating cloud particle in exhaust gas can effectively remove exhaust gas by three-level filter device 12, contributes to zeolite to adsorb
The stable operation of concentration runner system 2 extends the service life of zeolite runner 23.
(2) workflow of zeolite Adsorption Concentration runner system
Zeolite runner 23 is continuously run by wheel drive means 234 with the driven at low speed of 3-8r/h, through F9 efficiency filters
Exhaust gas is blown into adsorption zone 231 by adsorbing the effect of wind turbine 21 after 123 filterings, and the VOCs in exhaust gas is adsorbed by adsorption zone 231,
Clean gas after having adsorbed introduces chimney 35 by clean feed channel 25 and discharges；It, will be by cooling zone when going to desorption area 232
233 exhaust gas is heated to introduce after 180-200 DEG C behind desorption area 232 by desorption heat exchanger 27 makes the VOCs adsorbed desorptions again
Raw, the concentration exhaust gas after regeneration is sent into rotary RTO systems 3 by 22 concentrated feed channel 26 of desorption wind turbine；After the completion of desorption, turn
To cooling zone 233, a small amount of filtered exhaust gas is cooled down by cooling down the introducing of feed channel 24 cooling zone 233, the boiling after cooling
Stone runner 23 continues to adsorb, and so recycles；The heat of desorption heat exchanger 27 is the high temperature generated by the combustion chamber of rotary RTO31
Waste heat is sent into through high-temperature pipe 28.
(3) workflow of rotary RTO systems
After concentration exhaust gas after desorption and regeneration is sent into rotary RTO systems 3 by main air blower 30, concentration exhaust gas passes sequentially through out
It enters the room 314, distributor chamber 313, regenerative chamber 312, combustion chamber 311, carries out oxygenolysis after fully burning, the high temperature after oxygenolysis
Clean gas passes sequentially through combustion chamber 311, regenerative chamber 312, distributor chamber 313, goes out to enter the room 314, carries out hot clean gas one after accumulation of heat
Chimney 35 is introduced after partly by discharge tube 32 after the cooling of afterheat heat exchanger 33 to discharge, another part passes through wet down admission line
13 enter in pipeline 10 into exhaust gas for adjusting waste gas humidity；Heat caused by afterheat heat exchanger 33 can by waste heat pipeline 34
For returning to production line or workshop；Purging room 315 is that the VOCs that will remain in heat storage is sent into the high temperature again of combustion chamber 311
Oxygenolysis.Rotary RTO systems 3 can effective purified treatment VOCs, while the heat too many levels for again discharging VOCs is efficient
It utilizes.
The DPA paint-fog filters of the utility model are made of a kind of synthetic materials, and the windward side of filter uses 3D honeycombs
Layer structure design meets in-depth filtration principle, can be with 99.8% capture to 10 microns or more of small coating clouds.DPA coating clouds filter
The brand that device is selected is created for Suzhou Mount Tai, and the differential pressure pickup installed after DPA paint-fog filters can monitor DPA coating cloud mistakes in real time
The working condition of filter, in the case where reaching full load condition, system automatic alarm prompts removable parts filter.
The filtered exhaust gas of the utility model carries out checking concentration by zeolite Adsorption Concentration runner system, and concentration exhaust gas exists
A large amount of waste heats are generated again while meeting the rotary RTO self-operatings in end.The heat that heat exchanger is desorbed is generated using rotary RTO
800 DEG C of high temperature airs realize the efficient utilization of waste heat.
Rotary RTO systems enter accumulation of heat body region by exhaust gas is concentrated by rotary distributor alternating uniformly continuous, in fact
Accumulation of heat, the switching of heat release operating mode of continuous and stable are showed, rotary RTO goes out the hot-air of discharge of entering the room through afterheat heat exchanger by heat
For returning to production line or workshop, realizes the efficient utilization of waste heat, save energy consumption.
Claims (10)
1. the VOCs processing units for paint industry, which is characterized in that include that exhaust gas enters pipeline (10), the exhaust gas into
Enter pipeline (10) successively along being connected with gas filtration system (1), zeolite Adsorption Concentration runner system (2), rotary RTO systems (3)
With chimney (4).
2. the VOCs processing units according to claim 1 for paint industry, which is characterized in that exhaust gas filtering system
(1) is united as three-level filter device (12).
3. the VOCs processing units according to claim 2 for paint industry, which is characterized in that the three-stage filtration dress
It includes according to the sequentially connected DPA paint-fog filters (121) of exhaust gas approach axis, F7 efficiency filters (122) and F9 to set (12)
Efficiency filters (123), the F9 efficiency filters (123) connect zeolite Adsorption Concentration runner system (2) by pipeline.
4. the VOCs processing units according to claim 3 for paint industry, which is characterized in that the DPA coating clouds mistake
Level-one differential pressure pickup (124), the F7 efficiency filters are additionally provided between filter (121) and F7 efficiency filters (122)
(122) two level differential pressure pickup (125), the F9 efficiency filters (123) are additionally provided between F9 efficiency filters (123)
Three-level differential pressure pickup (126) is additionally provided between zeolite Adsorption Concentration runner system (2).
5. the VOCs processing units according to claim 1 for paint industry, which is characterized in that the exhaust gas enters pipe
Road (10) is connected with lacquer spraying waste gas pipeline and drying exhaust piping, and the exhaust gas, which enters on pipeline (10), is additionally provided with humiture biography
Sensor (11).
6. the VOCs processing units according to claim 1 for paint industry, which is characterized in that the zeolite absorption is dense
Contracting runner system (2) includes the cooling feed channel (24) being connect respectively with gas filtration system (1) and absorption wind turbine (21), is also wrapped
Zeolite runner (23) is included, adsorption zone (231), desorption area (232) and cooling zone (233) are provided on the zeolite runner (23),
Absorption wind turbine (21) the connection adsorption zone (231), the adsorption zone (231) is also associated with clean feed channel (25), described clean
Fresh-air duct road (25) connects chimney (4), and the cooling feed channel (24) is connected with desorption heat exchanger across cooling zone (233)
(27), the desorption heat exchanger (27) is also connected with the rotary RTO systems (3) and chimney (4), the desorption area (232)
Rotary RTO systems (3) are connected by concentrating feed channel (26), the zeolite runner (23) is also associated with wheel drive means
(234), desorption wind turbine (22) is provided on the concentration feed channel (26).
7. the VOCs processing units according to claim 6 for paint industry, which is characterized in that rotary RTO systems
(3) include being connected with rotary RTO (31), institute with concentration feed channel (26) main air blower (30) that connect, the main air blower (30)
State rotary RTO (31) connection afterheat heat exchangers (33), afterheat heat exchanger (33) the connection chimney (4).
8. the VOCs processing units according to claim 7 for paint industry, which is characterized in that the rotary RTO
(31) include the combustion chamber (311) set gradually from top to bottom, regenerative chamber (312), distributor chamber (313), go out to enter the room (314) and blow
Room (315) is swept, (314) side that goes out to enter the room is connect with the main air blower (30), go out to enter the room (314) and the main air blower (30)
Opposite side is connected with discharge tube (32), and the discharge tube (32) connects the afterheat heat exchanger (33), the discharge
Pipeline (32) also connects the exhaust gas by wet down admission line (13) and enters pipeline (10), and the combustion chamber (311) passes through height
Warm pipeline (28) connects the desorption heat exchanger (27).
9. the VOCs processing units according to claim 8 for paint industry, which is characterized in that the wet down air inlet pipe
Proportioning valve (14) is provided on road (13).
10. according to any VOCs processing units for paint industry of claim 7-9, which is characterized in that described remaining
Waste heat pipeline (34) is also associated on heat exchanger (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721629353.3U CN207805325U (en) | 2017-11-29 | 2017-11-29 | VOCs processing units for paint industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721629353.3U CN207805325U (en) | 2017-11-29 | 2017-11-29 | VOCs processing units for paint industry |
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| Publication Number | Publication Date |
|---|---|
| CN207805325U true CN207805325U (en) | 2018-09-04 |
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ID=63333687
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721629353.3U Active CN207805325U (en) | 2017-11-29 | 2017-11-29 | VOCs processing units for paint industry |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107754556A (en) * | 2017-11-29 | 2018-03-06 | 西安昱昌环境科技有限公司 | A kind of paint industry VOCs processing units |
| CN111773884A (en) * | 2020-06-09 | 2020-10-16 | 中国科学院力学研究所 | Organic gas purification treatment system |
| CN111911941A (en) * | 2020-08-07 | 2020-11-10 | 华夏碧水环保科技有限公司 | Comprehensive utilization system for waste gas treatment heat energy |
| CN112999805A (en) * | 2021-03-02 | 2021-06-22 | 机械工业第九设计研究院有限公司 | Novel wet-type paint spraying chamber VOC waste gas heating and humidity reducing technical scheme |
| CN113274842A (en) * | 2021-04-13 | 2021-08-20 | 烟台杰瑞石油装备技术有限公司 | Harmful gas leakage emergency treatment method and equipment and vehicle set |
-
2017
- 2017-11-29 CN CN201721629353.3U patent/CN207805325U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107754556A (en) * | 2017-11-29 | 2018-03-06 | 西安昱昌环境科技有限公司 | A kind of paint industry VOCs processing units |
| CN111773884A (en) * | 2020-06-09 | 2020-10-16 | 中国科学院力学研究所 | Organic gas purification treatment system |
| CN111911941A (en) * | 2020-08-07 | 2020-11-10 | 华夏碧水环保科技有限公司 | Comprehensive utilization system for waste gas treatment heat energy |
| CN112999805A (en) * | 2021-03-02 | 2021-06-22 | 机械工业第九设计研究院有限公司 | Novel wet-type paint spraying chamber VOC waste gas heating and humidity reducing technical scheme |
| CN113274842A (en) * | 2021-04-13 | 2021-08-20 | 烟台杰瑞石油装备技术有限公司 | Harmful gas leakage emergency treatment method and equipment and vehicle set |
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