CN103041945A - Paint room with paint production waste gas treatment system, and paint production waste gas treatment method - Google Patents

Paint room with paint production waste gas treatment system, and paint production waste gas treatment method Download PDF

Info

Publication number
CN103041945A
CN103041945A CN2012105834871A CN201210583487A CN103041945A CN 103041945 A CN103041945 A CN 103041945A CN 2012105834871 A CN2012105834871 A CN 2012105834871A CN 201210583487 A CN201210583487 A CN 201210583487A CN 103041945 A CN103041945 A CN 103041945A
Authority
CN
China
Prior art keywords
paint
waste gas
locker
vertical passage
exhaust
Prior art date
Application number
CN2012105834871A
Other languages
Chinese (zh)
Inventor
邱云
Original Assignee
东莞市四友机械设备有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 东莞市四友机械设备有限公司 filed Critical 东莞市四友机械设备有限公司
Priority to CN2012105834871A priority Critical patent/CN103041945A/en
Publication of CN103041945A publication Critical patent/CN103041945A/en

Links

Abstract

The invention relates to a paint room with a paint production waste gas treatment system, and a paint production waste gas treatment method. The paint production waste gas treatment system comprises a waste gas treatment chamber communicated with a paint room body. A first longitudinal channel communicated with a waste gas outlet at the bottom of the paint room obey, a second longitudinal channel communicated with the top of the first longitudinal channel, a third longitudinal channel communicated with the bottom of the second longitudinal channel, and an exhaust hole arranged at the top of the third longitudinal channel are arranged in the waste gas treatment chamber. A first spray unit is disposed in the first longitudinal channel. A second spray unit is disposed in the second longitudinal channel. A third spray unit is disposed in the third longitudinal channel. Activated carbon filter cotton is disposed at the exhaust hole. three spray treatment procedures and one activated carbon filtering procedure are added to treat the paint production waste gas, so that paint mist and peculiar odors in the paint production waste gas are removed completely, no paint mist or peculiar odors are present in the exhausted gas and pollution of atmospheric environment and threat on human health are avoided.

Description

The paint locker of band paint exhaust treatment system and paint waste gas processing method
Technical field:
The invention belongs to furniture industry, relate to the paint locker at furniture spray paint paint place and the treatment technology of paint waste gas, refer in particular to a kind of paint locker with the paint exhaust treatment system and paint waste gas processing method.
Background technology:
Will pass through the operations such as polishing, spray paint and oven dry after furniture item and parts thereof are carried out can finished product.Spray paint is to carry out in paint locker, the paint that atomizes in the spray paint process on being sprayed on workpiece, the paint mist that has about 20% can't adhere to, and can be free in the air.Usually have a paint locker main body in the existing paint locker, which is provided with the wiper seal door, mend the facilities such as blower fan, Water curtain machine and circulating water pool, and be provided with the blow-off line that directly is communicated with the outside.Be free in the cascade absorption that an airborne paint mist part can be produced by Water curtain machine, but still have the paint mist of considerable part to adsorb and enter the atmosphere from blow-off line, cause serious environmental pollution.In addition, the benefit blower fan that has now on the paint locker replenishes in the air event in the room, can be that the air generation is flowed in the room, and the paint mist is drifted about thereupon, is sucked by the operating personnel easily, and the threat operating personnel's is healthy.Therefore, the facility in the existing paint locker is too simple, also can't accomplish rational processing to paint waste gas accordingly, causes a large amount of paint mists to be discharged, and causes adverse effect for atmospheric environment and health, is badly in need of improving.
Summary of the invention:
One of purpose of the present invention is to overcome the above-mentioned weak point of prior art, and a kind of paint locker with the paint exhaust treatment system is provided.
The present invention realizes that the technical scheme that one of its purpose adopts is: a kind of paint locker with the paint exhaust treatment system, described paint locker has a paint locker main body, be provided with water screen apparatus in the paint locker main body, wherein: described paint exhaust treatment system comprises the exhaust-gas treatment chamber that is communicated with the paint locker main body, and indoor being provided with the waste gas outlet of paint locker bottom part body of described exhaust-gas treatment is communicated with the first vertical passage, the second vertical passage that is connected with the top of the first vertical passage, the 3rd vertical passage that is connected with the second vertical passage bottom, the top of the 3rd vertical passage is provided with exhaust outlet; In described the first vertical passage, be provided with the first spray unit, in described the second vertical passage, be provided with the second spray unit, in described the 3rd vertical passage, be provided with the 3rd spray unit, in described exhaust ports the activated carbon filtration cotton is installed.
In the top of described paint locker main body the Water-cooling type air conditioner blower fan is installed, and below the roof of paint locker main body, the constant pressure filtration layer is installed, namely form a buffering separate space between constant pressure filtration layer and the roof.
This paint exhaust treatment system also comprises circulating water pool and the water circulating pump that is arranged on paint locker main body and bottom, exhaust-gas treatment chamber and connection.
Two of purpose of the present invention provides corresponding paint waste gas processing method.
The technical solution used in the present invention is: a kind of paint locker paint waste gas processing method comprises in this processing method that once spray is processed, secondary spraying is processed and three sprays are processed.
Particularly, the treatment step of described paint waste gas is as follows:
S1, cascade adsorption step: i.e. the paint waste gas that spraying produces is directly adsorbed by cascade and flows into circulating water pool;
It is heavy that s2, cold air are pressed: namely utilize the cold air that enters from the paint locker top to sink to driving and remain in airborne paint waste gas sinking, discharge from the waste gas outlet of paint locker bottom part body;
S3, once spray processing: the paint waste gas of namely discharging from the waste gas outlet of paint locker bottom part body enters the first vertical passage of exhaust-gas treatment chamber, paints in the waste gas by the water smoke absorption of the first spray unit ejection and paints mist;
S4, secondary spraying are processed: the paint waste gas after once spray is processed enters the second vertical passage, paints mist in the water smoke absorption paint waste gas by the second spray unit ejection;
S5, three sprays are processed: the paint waste gas after secondary spraying is processed enters the 3rd vertical passage, paints mist in the water smoke absorption paint waste gas by the 3rd spray unit ejection;
S6, activated carbon filtration are processed: discharge behind the waste gas process activated carbon filtration cotton of three spray processing.
The flow velocity of described paint locker bottom part body waste gas outlet place paint waste gas is 5m/s ~ 10m/s.
The flow of the water of each shower nozzle spray was 3L/s ~ 5L/s during described spray was processed.
Paint locker of the present invention is processed paint waste gas by increasing the exhaust-gas treatment chamber, on the basis of existing cascade adsorption treatment, three roads spray treatment process and one activated carbon filtration operation have been increased again, thereby paint mist and peculiar smell in the paint waste gas are removed fully, not oil-containing coating cloud and peculiar smell in the air of guaranteeing to discharge, thus avoid pollutant atmosphere and threaten health.Simultaneously, the paint locker top adopts the Water-cooling type air conditioner blower fan to mend wind in the room, and in paint locker, set up one deck constant pressure filtration layer, make cold wind uniform and stable ground sinking everywhere in the room, driving the paint mist steadily sinks, avoided that air lateral flow and paint mist raise up in the paint locker, made the operating personnel be difficult for sucking in the room in and paint mist, greatly improved operating personnel's security.
Description of drawings:
Fig. 1 is the arrangement schematic diagram of an embodiment of the present invention paint locker;
Fig. 2 is the plan structure schematic diagram of embodiment of the invention paint locker.
The specific embodiment:
The present invention is further described below in conjunction with specific embodiments and the drawings.
Such as Fig. 1, shown in Figure 2, the paint locker of band paint exhaust treatment system in the present embodiment, described paint locker has a paint locker main body 1, be provided with water screen apparatus 101 in the paint locker main body 1, described paint exhaust treatment system comprises the exhaust-gas treatment chamber 2 that is communicated with paint locker main body 1, is provided with in the described exhaust-gas treatment chamber 2 with the waste gas outlet 10 of paint locker main body 1 bottom to be communicated with the first vertical passage 201, the second vertical passage 202 that is connected with the top of the first vertical passage 201, the 3rd vertical passage 203 that is connected with the second vertical passage 202 bottoms, the top of the 3rd vertical passage 203 is provided with exhaust outlet 204; In described the first vertical passage 201, be provided with the first spray unit 301, in described the second vertical passage 202, be provided with the second spray unit 302, be provided with the 3rd spray unit 303 in described the 3rd vertical passage 203,204 places are equipped with activated carbon filtration cotton 304 in described exhaust outlet.Wherein, the water of spray unit can be to be supplied water by the outside by water pipe, also can be the cycling use of water of the circulating water pool the inside of bottom.
Particularly, be provided with the first partition wall 21 and the second partition wall 22 that wall 11 be arranged in parallel that be communicated with paint locker main body 1 in the described exhaust-gas treatment chamber 2, wherein roof 23 isolation of the top of the first partition wall 21 and exhaust-gas treatment chamber 2, bottom surface 24 isolation of the bottom of the second partition wall 22 and exhaust-gas treatment chamber 2, it is the connection wall 11 of paint locker main body 1, the first partition wall 21, the exterior wall 23 of the second partition wall 22 and exhaust-gas treatment chamber 2 forms first of connection, second, the 3rd vertical passage, whole passage is horizontal serpentine, paint waste gas passes through from this " horizontal S " shape passage, the shower nozzle of three groups of spray unit is installed in respectively and is communicated with wall 11, on the first partition wall 21 and the second partition wall 22, after three spray processing, fall into the circulating water pool of bottom after paint in the waste gas is adsorbed by water smoke, reach the exhaust-gas treatment effect.
According to the specification of paint locker main body 1, but the specification respective design of exhaust-gas treatment chamber 2 and interior each vertical passage thereof.
In the top of described paint locker main body 1 Water-cooling type air conditioner blower fan 12 is installed, and constant pressure filtration layer 13 is installed below the roof of paint locker main body 1, be to form a buffering separate space 14 between constant pressure filtration layer 13 and the roof, the effect of constant pressure filtration layer 13 is: one can further filter out the impurity of the cold air the inside that the Water-cooling type air conditioner blower fan sends, and guarantees in the paint locker dustless; Thereby its two be and roof between form a buffering separate space 14 and avoid in the paint locker everywhere pressure inconsistent and cause air to produce lateral flow, guarantee that cold air evenly sinks everywhere, paint waste gas is sunk, thereby do not raise up without beam wind and paint waste gas in the assurance paint locker, guarantee the health of operating worker.
This paint exhaust treatment system also comprises circulating water pool 4 and the water circulating pump 41 that is arranged on paint locker main body 1 and 2 bottoms, exhaust-gas treatment chamber and is communicated with, and is equipped with Turbogrid plates 42 on the circulating water pool 4, can stand and water is refluxed as in the pond for the operation personnel.By water circulating pump 41 water of circulating water pool 4 the insides is supplied with and respectively to be sprayed the unit and spray, the water smoke of spray adsorbs to fall the paint of waste gas the inside, adsorb the paint molecule that substantially can remove fully in the waste gas through three times, it is cotton to pass through last one activated carbon filtration again, can remove airborne paint-like flavour, thereby make the air cleaning free from extraneous odour of discharge, can pollutant atmosphere.Spray current later return circulating water pool 4, recycle, and according to workload, regularly change water and get final product.
Adopt the paint locker of band paint exhaust treatment system of the present invention, formed a cover paint waste gas processing method, in this processing method, comprise that once spray is processed, secondary spraying is processed and three sprays are processed.
Particularly, the treatment step of described paint waste gas is as follows:
S1, cascade adsorption step: i.e. cascade absorption and inflow circulating water pool that the paint waste gas that spraying produces is directly produced by water screen apparatus 11; Cascade absorption can be removed in the paint waste gas about 30% paint mist;
S2, cold air press heavy: sink to driving after namely utilizing the cold air that provides from the Water-cooling type air conditioner blower fan 12 at paint locker main body 1 top through constant pressure filtration layer 13 and remain in airborne paint waste gas and sink, discharge from the waste gas outlet 10 of paint locker main body 1 bottom; Cold air is pressed and heavyly can be avoided painting waste gas and raise up, and avoids the operating personnel to suck;
S3, once spray processing: the paint waste gas of namely discharging from the waste gas outlet 10 of paint locker main body 1 bottom enters the first vertical passage 201 of exhaust-gas treatment chamber, paints in the waste gas by the water smoke absorption of the first spray unit 301 ejections and paints mist; Can remove again about 40% paint mist through once spraying to process;
S4, secondary spraying are processed: the paint waste gas after once spray is processed enters the second vertical passage 202, paints mist in the water smoke absorption paint waste gas by 302 ejections of the second spray unit; Processing can be removed about 20% paint waste gas again through secondary spraying;
S5, three sprays are processed: the paint waste gas after secondary spraying is processed enters the 3rd vertical passage 203, paints mist in the water smoke absorption paint waste gas by 303 ejections of the 3rd spray unit; Can remove about 10% paint waste gas through three spray processing; So far, the paint mist in the paint waste gas is removed substantially;
S6, activated carbon filtration process: after waste gas that three sprays are processed is through activated carbon filtration cotton 304, utilize charcoal absorption to fall wherein peculiar smell, discharge from exhaust outlet 204.
Wherein, the flow velocity of described paint locker bottom part body waste gas outlet place paint waste gas is 5m/s ~ 10m/s, its can be by regulating the Water-cooling type air conditioner blower fan air output or the mode such as air exhauster be set in the outdoor blast pipe that connects of exhaust-gas treatment control, effect was better when flow velocity was 8m/s.
The flow of the water of each shower nozzle spray was 3L/s ~ 5L/s during described spray was processed, and what each sprayed that shower nozzle in the unit adopts is that centrifugal water smoke is met and discussed, and the quantity of shower nozzle can arrange according to size and the specification of paint locker.
Obviously, above-mentioned treatment process is not to only have the present embodiment paint locker can embodiment, and those skilled in the art can paint according to the present invention waste gas processing method, needs and designs corresponding paint locker according to concrete paint locker.
Paint locker of the present invention is processed paint waste gas by increasing the exhaust-gas treatment chamber, on the basis of existing cascade adsorption treatment, three roads spray treatment process and one activated carbon filtration operation have been increased again, thereby paint mist and peculiar smell in the paint waste gas are removed fully, not oil-containing coating cloud and peculiar smell in the air of guaranteeing to discharge, thus avoid pollutant atmosphere and threaten health.Simultaneously, the paint locker top adopts the Water-cooling type air conditioner blower fan to mend wind in the room, and in paint locker, set up one deck constant pressure filtration layer, make cold wind uniform and stable ground sinking everywhere in the room, driving the paint mist steadily sinks, avoided that air lateral flow and paint mist raise up in the paint locker, made the operating personnel be difficult for sucking in the room in and paint mist, greatly improved operating personnel's security.

Claims (7)

  1. One kind with paint exhaust treatment system paint locker, described paint locker has a paint locker main body (1), be provided with water screen apparatus (101) in the paint locker main body (1), it is characterized in that: described paint exhaust treatment system comprises the exhaust-gas treatment chamber (2) that is communicated with paint locker main body (1), is provided with in the described exhaust-gas treatment chamber (2) with the waste gas outlet (10) of paint locker main body (1) bottom to be communicated with the first vertical passage (201), the second vertical passage (202) that is connected with the top of the first vertical passage (201), the 3rd vertical passage (203) that is connected with the second vertical passage (202) bottom, the top of the 3rd vertical passage (203) is provided with exhaust outlet (204); In described the first vertical passage (201), be provided with the first spray unit (301), in described the second vertical passage (202), be provided with the second spray unit (302), in described the 3rd vertical passage (203), be provided with the 3rd spray unit (303), locate to be equipped with activated carbon filtration cotton (304) in described exhaust outlet (204).
  2. 2. band according to claim 1 paints the paint locker of exhaust treatment system, it is characterized in that: in the top of described paint locker main body (1) Water-cooling type air conditioner blower fan (12) is installed, and the roof below in paint locker main body (1) is equipped with constant pressure filtration layer (13), namely forms a buffering separate space (14) between constant pressure filtration layer (13) and the roof.
  3. 3. band according to claim 1 paints the paint locker of exhaust treatment system, it is characterized in that: this paint exhaust treatment system also comprises circulating water pool (4) and the water circulating pump (41) that is arranged on paint locker main body (1) and exhaust-gas treatment chamber (2) bottom and connection.
  4. 4. a paint locker paint waste gas processing method is characterized in that: comprise in this processing method that once spray is processed, secondary spraying is processed and three sprays are processed.
  5. 5. paint locker according to claim 4 paints waste gas processing method, and it is characterized in that: the treatment step of described paint waste gas is as follows:
    S1, cascade adsorption step: i.e. the paint waste gas that spraying produces is directly by the absorption of the water on the cascade and inflow circulating water pool;
    It is heavy that s2, cold air are pressed: namely utilize the cold air that enters from the paint locker top to sink to driving and remain in airborne paint waste gas sinking, discharge from the waste gas outlet of paint locker bottom part body;
    S3, once spray processing: the paint waste gas of namely discharging from the waste gas outlet of paint locker bottom part body enters the first vertical passage of exhaust-gas treatment chamber, paints in the waste gas by the water smoke absorption of the first spray unit ejection and paints mist;
    S4, secondary spraying are processed: the paint waste gas after once spray is processed enters the second vertical passage, paints mist in the water smoke absorption paint waste gas by the second spray unit ejection;
    S5, three sprays are processed: the paint waste gas after secondary spraying is processed enters the 3rd vertical passage, paints mist in the water smoke absorption paint waste gas by the 3rd spray unit ejection;
    S6, activated carbon filtration are processed: discharge behind the waste gas process activated carbon filtration cotton of three spray processing.
  6. 6. paint locker according to claim 5 paints waste gas processing method, it is characterized in that: the flow velocity of described paint locker bottom part body waste gas outlet place paint waste gas is 5m/s ~ 10m/s.
  7. 7. paint locker according to claim 5 paints waste gas processing method, it is characterized in that: the flow of the water of each shower nozzle spray was 3L/s ~ 5L/s during described spray was processed.
CN2012105834871A 2012-12-28 2012-12-28 Paint room with paint production waste gas treatment system, and paint production waste gas treatment method CN103041945A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012105834871A CN103041945A (en) 2012-12-28 2012-12-28 Paint room with paint production waste gas treatment system, and paint production waste gas treatment method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012105834871A CN103041945A (en) 2012-12-28 2012-12-28 Paint room with paint production waste gas treatment system, and paint production waste gas treatment method

Publications (1)

Publication Number Publication Date
CN103041945A true CN103041945A (en) 2013-04-17

Family

ID=48054939

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012105834871A CN103041945A (en) 2012-12-28 2012-12-28 Paint room with paint production waste gas treatment system, and paint production waste gas treatment method

Country Status (1)

Country Link
CN (1) CN103041945A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103463915A (en) * 2013-09-12 2013-12-25 安徽省绿巨人环境技术有限公司 Paint spraying waste gas treatment system and process
CN104258657A (en) * 2014-09-19 2015-01-07 安吉胜达竹木制品有限公司 Paint room water running type dust removal device
CN104259039A (en) * 2014-09-19 2015-01-07 浙江安吉安丰家具有限公司 Oil paint house structure
CN105664651A (en) * 2016-03-30 2016-06-15 浙江群展精密紧固件有限公司 Purification device of bolt heat treatment equipment
CN105749712A (en) * 2016-04-28 2016-07-13 凯天环保科技股份有限公司 Combined paint spray booth
CN105983300A (en) * 2015-01-31 2016-10-05 福建省首融环境科技有限公司 Treatment process for paint exhaust gas
CN107214173A (en) * 2017-01-18 2017-09-29 郴州万墨环保科技有限公司 A kind of waste painting slag innocuity disposal system
CN111336633A (en) * 2020-03-09 2020-06-26 山东大学 Ventilation method suitable for waste gas generation place

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002192037A (en) * 2000-12-28 2002-07-10 Olympus Optical Co Ltd Coating apparatus
CN2527360Y (en) * 2002-03-17 2002-12-25 长春五零实业有限公司 Paint-spraying chamber
CN2642410Y (en) * 2003-10-17 2004-09-22 成都亿兴电器有限责任公司 Total-pressure type water-curtain environment-protection spray booth
TW200940179A (en) * 2008-03-26 2009-10-01 Dashing Sheet Metal Co Ltd Collecting device for paint dust
CN201832755U (en) * 2010-10-15 2011-05-18 苏州丰裕机械工程有限公司 Water curtain type workpiece spraying chamber
JP2012254418A (en) * 2011-06-09 2012-12-27 Shinwa Co Ltd Coating booth
CN203030455U (en) * 2012-12-28 2013-07-03 东莞市四友机械设备有限公司 Paint room with painting waste gas treatment system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002192037A (en) * 2000-12-28 2002-07-10 Olympus Optical Co Ltd Coating apparatus
CN2527360Y (en) * 2002-03-17 2002-12-25 长春五零实业有限公司 Paint-spraying chamber
CN2642410Y (en) * 2003-10-17 2004-09-22 成都亿兴电器有限责任公司 Total-pressure type water-curtain environment-protection spray booth
TW200940179A (en) * 2008-03-26 2009-10-01 Dashing Sheet Metal Co Ltd Collecting device for paint dust
CN201832755U (en) * 2010-10-15 2011-05-18 苏州丰裕机械工程有限公司 Water curtain type workpiece spraying chamber
JP2012254418A (en) * 2011-06-09 2012-12-27 Shinwa Co Ltd Coating booth
CN203030455U (en) * 2012-12-28 2013-07-03 东莞市四友机械设备有限公司 Paint room with painting waste gas treatment system

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103463915A (en) * 2013-09-12 2013-12-25 安徽省绿巨人环境技术有限公司 Paint spraying waste gas treatment system and process
CN104258657A (en) * 2014-09-19 2015-01-07 安吉胜达竹木制品有限公司 Paint room water running type dust removal device
CN104259039A (en) * 2014-09-19 2015-01-07 浙江安吉安丰家具有限公司 Oil paint house structure
CN105983300A (en) * 2015-01-31 2016-10-05 福建省首融环境科技有限公司 Treatment process for paint exhaust gas
CN105664651A (en) * 2016-03-30 2016-06-15 浙江群展精密紧固件有限公司 Purification device of bolt heat treatment equipment
CN105749712A (en) * 2016-04-28 2016-07-13 凯天环保科技股份有限公司 Combined paint spray booth
CN107214173A (en) * 2017-01-18 2017-09-29 郴州万墨环保科技有限公司 A kind of waste painting slag innocuity disposal system
CN107214173B (en) * 2017-01-18 2019-08-13 郴州万墨环保科技有限公司 A kind of waste painting slag innocuity disposal system
CN111336633A (en) * 2020-03-09 2020-06-26 山东大学 Ventilation method suitable for waste gas generation place

Similar Documents

Publication Publication Date Title
CN104958987B (en) Dust filtering device with two groups of cleaning wheels
CN104764098A (en) Air comprehensive purifying and regulating method and air comprehensive purifying and regulating device
CN103055613B (en) With the air filter of self-cleaning device
CN104174236B (en) The air cleaner of paint locker and carpentry yard
CN104259040B (en) A kind of water curtain type paint line paint spray booth
CN101780435A (en) Wet static dedusting device
CN204544580U (en) A kind of cage guide auto spray painting streamline
CN102172468B (en) Three-pass dedusting devulcanizer
CN204134434U (en) A kind of large ash quantity lacquer spraying waste gas treating apparatus
CN105771518B (en) Dust treatment plant in a kind of ore processing
CN103453603B (en) A kind of air cleaning system
CN103143471B (en) A kind of integral movable type environment-friendlyplasma plasma spraying equipment and paint mist purification method
CN204051343U (en) Polishing cleaner
CN202762591U (en) Paint spraying room
CN202666674U (en) Low-temperature plasma oil-mist lampblack purifier
CN203991070U (en) A kind of spray room
CN204469491U (en) Waste gas filter
CN105318443A (en) Air purifier
CN105169855A (en) Atomizing purification device for haze air
CN202316213U (en) Mobile passing-type polishing and painting device
CN203731573U (en) Atmosphere dust scrubbing air purifier
CN204159202U (en) A kind of Tower for purifying waste gas
CN104259037A (en) Paint mist collecting and purifying device of paint spray booth
CN204582883U (en) A kind of Bulk plastic garden waste gas cleaning system
CN206793289U (en) A kind of house flue apparatus for treating cooking fume

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20130417

C12 Rejection of a patent application after its publication