CN104174236A - Air filter for paint room and carpentry room - Google Patents
Air filter for paint room and carpentry room Download PDFInfo
- Publication number
- CN104174236A CN104174236A CN201410190693.5A CN201410190693A CN104174236A CN 104174236 A CN104174236 A CN 104174236A CN 201410190693 A CN201410190693 A CN 201410190693A CN 104174236 A CN104174236 A CN 104174236A
- Authority
- CN
- China
- Prior art keywords
- filter
- air
- dust
- filter screen
- room
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 239000003973 paint Substances 0.000 title claims abstract description 23
- 239000000428 dust Substances 0.000 claims abstract description 77
- 238000001914 filtration Methods 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000004887 air purification Methods 0.000 claims abstract 2
- 238000004140 cleaning Methods 0.000 claims description 20
- 239000011159 matrix material Substances 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 238000000746 purification Methods 0.000 claims description 2
- 239000003517 fume Substances 0.000 claims 3
- 238000010422 painting Methods 0.000 claims 1
- 239000003570 air Substances 0.000 description 81
- 239000000779 smoke Substances 0.000 description 27
- 239000007789 gas Substances 0.000 description 5
- 230000000505 pernicious effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010411 cooking Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 206010057071 Rectal tenesmus Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000012717 electrostatic precipitator Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 208000012271 tenesmus Diseases 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
Air cleaner that paint room and carpenter's room were used comprises suction exhaust apparatus, dust filter equipment, filtration basin, cistern, circulating water pump, delivery pipe, air purification device, dust filter equipment include and drive the banding filter screen of pivoted by power device, filter screen end to end, form the ring, an pot head is on last roller, another pot head is on roller down. Through the use of filter screen, shortened the route that the air flows to enlarge actual filterable area, be fit for workshop use that dust is big such as paint room.
Description
Technical field
The present invention relates to a kind ofly for the dust of filtered air or the filter of oil smoke, belong to air filtration technology.
Background technology
Take paint locker as example, when work, can produce a large amount of dust and pernicious gas, these nuisances not only affect the healthy of operating personnel, and the processing of product is caused damage.So paint locker all can be used exhaust equipment and dust-filtering equipment, as gathered the Water curtain machine of filtration and exhausting function.The design of Water curtain machine normally arranges baffle plate one at the middle part of rack, water flows to baffle surface and flows through one cascade of formation from top, a filtering trough is set below baffle plate, between filtering trough and baffle plate, be provided with gap, so that air flows to air blast from the gap between baffle plate and filtering trough, airborne dust is encountered cascade and will be adsorbed with water in inflow filtering trough, the benefit of this design is that parts are installed concentratedly, convenient mobile use, deficiency is that air can only flow through by the gap between baffle plate and filtering trough, because only understand the shortest route of selecting paths during Air Flow, so, top at cascade, the mobility of air is just poor, dust removing effects is not very desirable.
Also have a kind of dedusting method, whole paint spray booth floor adopts metallic grid, and exhaust apparatus carries out suction and discharge from the space on grid and ground, and the advantage of this design is when dust drops, to accelerate tenesmus, dust is drained, to play the effect of purification.But this structure is not suitable for using in a lot of occasions.
Take kitchen as example, during cooking, can produce a large amount of oil smoke, by smoke exhaust ventilator by outside oil smoke discharge chamber, although such design has solved indoor oil smoke problem, but can produce severe contamination to flue and surrounding environment, so also some kitchen has installed oil removing and electrostatic precipitator additional, but there is the hidden danger of high pressure leakage fire in such configuration.
Have now a kind of air filtration cooling system for factory building, blowing in room after outdoor air intake filter cooling, advantage is that energy consumption is low, and deficiency is that filter screen maintains static, and service time one is long, and filter screen is easily blocked, difficult clean and maintenance.
Therefore, need to find a kind of effectively dedusting, smoke abatement, can also effectively reduce environment and can automatically carry out clean air filter unit.
Summary of the invention
The object of this invention is to provide a kind of effectively dedusting, smoke abatement, can also effectively reduce environment and can automatically carry out clean air filter unit.
Technical scheme of the present invention is: the air cleaner that a kind of paint locker and carpentry yard are used, is comprised of air intake and exhaust system 1, dust filtering device 2, filtering trough 3, cistern 5, water circulating pump 6, flow pipe 7, air cleaning unit 8, the mode that air intake and exhaust system 1 is arranged by matrix by 1 above air blast 11 is arranged on the rear of dust filtering device 2, cistern below is provided with pedestal 51, and cistern bottom is provided with draining valve 52, described dust filtering device 2 comprises parallel upper roll shaft 21, lower roller shaft 22 and power set 23, and flow pipe 7 is positioned at dust filtering device 2 tops, and filtering trough 3 is positioned at dust filtering device 2 belows, and filtering trough 3 bottoms are provided with blowoff valve 31, a side setting at workbench drives by power set 23 the banded filter screen 24 rotating by power set, filtering trough 3 is set below filter screen 24, the water that cistern is 5 li pumps into flow pipe 7 by water circulating pump 6, from the top of upper roll shaft, spray on filter screen 24 again, the air blast 11 that is matrix arrangement is placed on the wall at filter screen 24 rears, air cleaning unit 8 is set after wall, the paint producing while spraying paint, dust, by air blast 11, be drawn onto on moist filter screen 24, be cleaned again in filtering trough 3, air after filter screen 24 filters is blown to air cleaning unit 8 again and further purifies.
Described filter screen 24 joins end to end and forms annular, and one end is enclosed within on roll shaft 21, and the other end is enclosed within on lower roller shaft 22, and the bottom of lower roller shaft 23 is immersed in the water in filtering trough 3; Power set 23 drive lower roller shaft 22 to rotate, and are with electric filter 24 and upper roll shaft 21 to rotate when lower roller shaft 22 rotates; Dust scavenge unit 25 is set below lower roller shaft 22.
Described filtering trough 3 is positioned at cistern, and the edge of filtering trough 3 is provided with gap, and water unnecessary in filtering trough 3 is overflowed in cistern 5.
The side that described dust scavenge unit 25 makes progress is provided with hairbrush.
Described filter screen 24 tops slope inwardly.
In the place ahead of each air blast 11, be provided with wind scooper 12, two adjacent wind scoopers 12 are in a side seamless link of air inlet.
In described air cleaning unit 8, be mounted with air purifier 81, on wall, be provided with exhaust outlet 82.
During work, air intake and exhaust system 1 is inhaled moving air flow filter screen, airborne dust and oil smoke are adhered to by moist filter screen, filter screen moves down and enters filtering trough 3 under the drive of power set 23, the dust and the oil smoke that stick on filter screen are washed into the medium and small part air of water under the suction of air intake and exhaust system 1 is moved by dust scavenge unit 25, through intensive aperture in outer screen, blow to interior side screen, moist filter screen adsorbs to fall some again the dust containing in air and oil smoke; Remaining dust and oil smoke in air, blow into air cleaning unit 8 after being sucked by air blast 11, after being purified, from exhaust outlet 82, discharges by air purifier 81.
Beneficial effect:
1, by the filter screen that can rotate is set, after dust in moist filter screen absorbed air and oil smoke, be moved down in filtering trough, the dust and the oil smoke that stick on filter screen are washed in water by dust scavenge unit, filter screen after cleaned continues to move up, aperture through on outer filter is blown into the airborne dust and the oil smoke that come to be adsorbed, through the air of dual clean, by air blast, blown into and after air cleaning unit purifies, by exhaust outlet, be discharged to again outdoorly, effectively reduced the pollution to surrounding environment of dust and oil smoke.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A-A figure of Fig. 1.
The specific embodiment
As shown in Figure 1 and Figure 2, the air cleaner that a kind of paint locker and carpentry yard are used, is comprised of air intake and exhaust system 1, dust filtering device 2, filtering trough 3, cistern 5, water circulating pump 6, flow pipe 7, air cleaning unit 8.Air intake and exhaust system 1 and air cleaning unit 8 are placed in cistern 5 tops.
The mode that air intake and exhaust system 1 is arranged by matrix by 1 above air blast 11 is arranged on the rear of dust filtering device 2; Cistern below is provided with pedestal 51, and cistern bottom is provided with draining valve 52; Described dust filtering device 2 comprises parallel upper roll shaft 21, lower roller shaft 22 and power set 23, and flow pipe 7 is positioned at dust filtering device 2 tops, and filtering trough 3 is positioned at dust filtering device 2 belows, and filtering trough 3 bottoms are provided with blowoff valve 31; The water that cistern is 5 li pumps into flow pipe 7 by water circulating pump 6, from the top of upper roll shaft 21, spray on filter screen 24 again, described dust filtering device 2 also comprises the banded filter screen 24 that is driven rotation by power set 23, described filter screen 24 joins end to end and forms annular, one end is enclosed within on roll shaft 21, the other end is enclosed within on lower roller shaft 22, and the bottom of lower roller shaft 23 is immersed in the water in filtering trough 3; Power set 23 drive lower roller shaft 22 to rotate, and are with electric filter 24 and upper roll shaft 21 to rotate when lower roller shaft 22 rotates; Dust scavenge unit 25 is set below lower roller shaft 22.
During work, air intake and exhaust system 1 is inhaled moving air flow filter screen, airbornely at most dust and oil smoke, by moist filter screen, adhered to, filter screen moves down and enters filtering trough 3 under the drive of power set 23, and the dust and the oil smoke that stick on filter screen are washed in water by dust scavenge unit 25.Little part air, under the suction of air intake and exhaust system 1 is moved, blows to interior side screen through intensive aperture in outer screen, and moist filter screen adsorbs to fall some again the dust containing in air and oil smoke.Remaining dust and oil smoke in air, blow into air cleaning unit 8 after being sucked by air blast 11, after being purified, from exhaust outlet 82, discharges by air purifier 81.
Described filtering trough 3 is positioned at cistern, and the edge of filtering trough 3 is provided with gap, and water unnecessary in filtering trough 3 is overflowed in cistern 5.Filtering trough 3 bottoms are provided with blowoff valve 31, and dust and oil smoke are swept in water by dust scavenge unit 25 after being adsorbed by filter screen again, regularly by blowoff valve 31, drain after precipitation.
Cistern 5 is for precipitating dust, and supplies water to water circulating pump 6.Mix dust, in water, enters cistern 5 through gap from filtering trough 3, and through after a while, dust sinks to cistern 5 bottoms at Action of Gravity Field, more regularly by the draining valve 52 being located at the bottom of pond, discharges.
The bottom of described lower roller shaft 22 is immersed in the water in filtering trough 3.Making does not have space between lower roller shaft 22 and filtering trough 3, avoids the air that contains a large amount of dust directly to enter air blast without filtering.
Described power set 23 comprise deceleration device and actuating unit.
Dust scavenge unit 25 is set below lower roller shaft 22, for the dust on filter screen and oil smoke are swept into water in time.
The side that described dust scavenge unit 25 makes progress is provided with hairbrush.The beginning of hairbrush is semicircle upwards, and just, with the form fit of lower roller shaft 22, when filter screen 24 rotates with lower roller shaft 22, just process from hairbrush, is cleared away and fall into filtering trough 3 by hairbrush the dust being bonded on filter screen 24 passively.
Described filter screen 24 tops slope inwardly, and make the water that flow pipe 7 sprays out can more effectively impact the dust on filter screen, and dust is removed from filter screen.
In the place ahead of each air blast 11, be provided with wind scooper 12, two adjacent wind scoopers 12 are in a side seamless link of air inlet.
At the rear of air intake and exhaust system 1, air cleaning unit 8 is set.
In described air cleaning unit 8, be mounted with air purifier 81, on wall, be provided with exhaust outlet 82.Air purifier 81 can adopt ozone generator, divides and takes off the pernicious gases such as airborne first Chuo.
During work, power set 23 drive upper roll shaft 21 and lower roller shaft 22 to rotate, and then band electric filter 24 rotates, dust and oil smoke are attracted to filter screen 24 by air intake and exhaust system 1, most dust and oil smoke adhere on moist filter screen 24, by filter screen 24, driven and move down, when filter screen 24 process dust scavenge unit 25, the hairbrush upwards arranging brushes the dust on filter screen 24 in water, filter screen 24 through cleaning passes through water logging again, under the effect of power set 23, from the side near air intake and exhaust system 1, move up, the a small amount of dust that sees through front filter screen further adheres on filter screen 24, filter screen continues to move up, turn over after roll shaft 21, after adhering to again a large amount of dusts, be moved down in filtering trough 3, again by hairbrush, removed dust and soaked, under the effect of power set 23, move up again, so move in circles, constantly the air flowing through is purified, by airborne dust adhesion and take in water, make the air that enters air blast only contain a small amount of dust and pernicious gas.
Air blast blows into air cleaning unit 8 by the air that contains a small amount of dust and pernicious gas, and airborne pernicious gas after purifying by air purifier 81, then is discharged by exhaust outlet 82.
When the present invention is used for paint locker and carpentry yard, filter screen 24 that can scroll-up/down in a side setting of workbench, filtering trough 3 is set below filter screen 24, wall mounting at filter screen 24 rears is the air blast 11 that matrix is arranged, air cleaning unit 8 is set after wall, and the paint, the dust that while spraying paint, produce, just can be drawn onto on moist filter screen 24 by air blast 11 in time, be cleaned in filtering trough 3, the air after filter screen 24 filters is blown to air cleaning unit 8 again and further purifies again.
When the present invention is used for kitchen, at the rear of workbench, air cleaner is set, the oil smoke producing during cooking can be adsorbed on moist filter screen, and then is cleaned in filtering trough, is more regularly drained, and has avoided ambient air to pollute.
If higher to airborne dust and oil smoke content requirement, by the place ahead at dust filtering device 2, air intake and exhaust system 1 be set one again, or a plurality of parallel dust filtering devices 2 are set reach target.
By continuous rotation filter screen, and above filter screen downward spray water, make dust and oil smoke in filter screen absorbed air, the filtering trough arranging by filter screen below again, dust, the oil smoke cleaning and filtering of filter screen absorption are fallen, effectively reduced the pollution to environment, and can automatically to filter screen, clean.
Above-described embodiment is only for interpretation purposes of the present invention, and is not limitation of the present invention, and those skilled in the art, in essential scope of the present invention, make a variety of changes or substitute, and also should belong to protection category of the present invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410190693.5A CN104174236B (en) | 2011-09-14 | 2012-07-27 | Air filter for paint room and carpentry room |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110272277.6 | 2011-09-14 | ||
| CN2011102722776A CN102350167A (en) | 2011-09-14 | 2011-09-14 | Dust filter |
| CN2011102722776 | 2011-09-14 | ||
| CN201210263421.4A CN102989252B (en) | 2011-09-14 | 2012-07-27 | Air filter |
| CN201410190693.5A CN104174236B (en) | 2011-09-14 | 2012-07-27 | Air filter for paint room and carpentry room |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210263421.4A Division CN102989252B (en) | 2011-09-14 | 2012-07-27 | Air filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104174236A true CN104174236A (en) | 2014-12-03 |
| CN104174236B CN104174236B (en) | 2016-04-27 |
Family
ID=45573876
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102722776A Pending CN102350167A (en) | 2011-09-14 | 2011-09-14 | Dust filter |
| CN201210263421.4A Expired - Fee Related CN102989252B (en) | 2011-09-14 | 2012-07-27 | Air filter |
| CN201410191056.XA Pending CN104190188A (en) | 2011-09-14 | 2012-07-27 | Kitchen air filter |
| CN201410190693.5A Expired - Fee Related CN104174236B (en) | 2011-09-14 | 2012-07-27 | Air filter for paint room and carpentry room |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102722776A Pending CN102350167A (en) | 2011-09-14 | 2011-09-14 | Dust filter |
| CN201210263421.4A Expired - Fee Related CN102989252B (en) | 2011-09-14 | 2012-07-27 | Air filter |
| CN201410191056.XA Pending CN104190188A (en) | 2011-09-14 | 2012-07-27 | Kitchen air filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN102350167A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105344542A (en) * | 2015-11-30 | 2016-02-24 | 东莞丰卓机电设备有限公司 | Mobile screen volume change self-cleaning paint spraying room |
| CN107441834A (en) * | 2017-08-25 | 2017-12-08 | 浙江工业大学 | A purification and dust removal device |
| CN108854292A (en) * | 2018-09-07 | 2018-11-23 | 浙江得亿制氧科技有限公司 | A kind of workshop air purification device |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350167A (en) * | 2011-09-14 | 2012-02-15 | 赵建勋 | Dust filter |
| CN102319533A (en) * | 2011-10-21 | 2012-01-18 | 赵建勋 | Water curtain machine with dust removing device |
| CN104289058A (en) * | 2012-07-27 | 2015-01-21 | 李耀强 | Air filter |
| CN104226053B (en) * | 2013-06-07 | 2016-08-10 | 林兆钧 | Dust filtering fan |
| CN103506240A (en) * | 2013-09-18 | 2014-01-15 | 江苏兆年涂装科技有限公司 | Efficient solder mask spraying chamber |
| CN103495323B (en) * | 2013-10-16 | 2015-06-24 | 郑州金石环境技术有限公司 | Washing air cleaning unit |
| CN103611381B (en) * | 2013-12-05 | 2016-02-17 | 朱理文 | The particle dust purification device of smoke stack emission |
| CN104162330B (en) * | 2014-08-06 | 2015-07-29 | 李洪彦 | Haze device falls in a kind of dedusting |
| CN105498432A (en) * | 2016-02-02 | 2016-04-20 | 徐彬 | Dusty gas dedusting method and device |
| CN106268124A (en) * | 2016-08-09 | 2017-01-04 | 江苏香叶建材科技有限公司 | A kind of air cleaning system and air purification method |
| CN106215619A (en) * | 2016-08-24 | 2016-12-14 | 王亚龙 | Room air clarifier for quick is used after a kind of house ornamentation |
| CN106474831A (en) * | 2016-12-01 | 2017-03-08 | 冯大兰 | A kind of dust-filtering method |
| CN106693554A (en) * | 2017-01-23 | 2017-05-24 | 王宇轩 | Air purifier based on silk thread filtration |
| CN107252782A (en) * | 2017-06-14 | 2017-10-17 | 青岛林川工程技术咨询有限公司 | A kind of machine-made sand wind power chalk dust removing equipment |
| CN108815935A (en) * | 2018-09-07 | 2018-11-16 | 浙江得亿制氧科技有限公司 | One kind can cool down air filter |
| CN108815936A (en) * | 2018-09-07 | 2018-11-16 | 浙江得亿制氧科技有限公司 | A kind of workshop air purification fan |
| CN111701366A (en) * | 2020-06-23 | 2020-09-25 | 唐述礼 | Self-dedusting protective screen plate with anti-toppling function for building |
| CN113413705A (en) * | 2021-06-24 | 2021-09-21 | 方义全 | Environmental protection engineering air dust purification equipment |
| CN114504912A (en) * | 2022-02-10 | 2022-05-17 | 安徽省恒金矿业有限公司 | Spray type dust removal system |
| CN116036810B (en) * | 2023-03-15 | 2023-11-14 | 江苏博丹净化设备有限公司 | Flue gas cooling and dust removing device for atmospheric pollution treatment |
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| GB797807A (en) * | 1955-07-04 | 1958-07-09 | American Air Filter Co | Improvements in or relating to an air cleaner |
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| CN201997205U (en) * | 2011-04-07 | 2011-10-05 | 熊文俊 | Mouse cage type dust filtering net and automatic dust removing structure thereof |
| CN102350167A (en) * | 2011-09-14 | 2012-02-15 | 赵建勋 | Dust filter |
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| JPH11516A (en) * | 1997-06-11 | 1999-01-06 | Takeshi Hinoke | Water absorption filter for cooling fan |
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| CN201064768Y (en) * | 2007-02-16 | 2008-05-28 | 孙玉章 | Moisture curtain type spraying painting cabinet |
| CN101463704B (en) * | 2009-01-05 | 2011-12-07 | 陈同星 | Mesh window with automatic ash filtration and self-cleaning function |
| CN101623583A (en) * | 2009-07-29 | 2010-01-13 | 蔡宇峰 | Spray paint waste gas purification device and purification method therefor |
| CN202683020U (en) * | 2012-07-27 | 2013-01-23 | 李耀强 | air filter |
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2011
- 2011-09-14 CN CN2011102722776A patent/CN102350167A/en active Pending
-
2012
- 2012-07-27 CN CN201210263421.4A patent/CN102989252B/en not_active Expired - Fee Related
- 2012-07-27 CN CN201410191056.XA patent/CN104190188A/en active Pending
- 2012-07-27 CN CN201410190693.5A patent/CN104174236B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB797807A (en) * | 1955-07-04 | 1958-07-09 | American Air Filter Co | Improvements in or relating to an air cleaner |
| CN201394400Y (en) * | 2009-04-19 | 2010-02-03 | 江阴市空调除尘设备厂 | Novel self-cleaning dust filter |
| CN201997205U (en) * | 2011-04-07 | 2011-10-05 | 熊文俊 | Mouse cage type dust filtering net and automatic dust removing structure thereof |
| CN102350167A (en) * | 2011-09-14 | 2012-02-15 | 赵建勋 | Dust filter |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105344542A (en) * | 2015-11-30 | 2016-02-24 | 东莞丰卓机电设备有限公司 | Mobile screen volume change self-cleaning paint spraying room |
| CN105344542B (en) * | 2015-11-30 | 2017-11-28 | 东莞丰卓机电设备有限公司 | Movable curtain variable-volume self-cleaning paint spraying chamber |
| CN107441834A (en) * | 2017-08-25 | 2017-12-08 | 浙江工业大学 | A purification and dust removal device |
| CN108854292A (en) * | 2018-09-07 | 2018-11-23 | 浙江得亿制氧科技有限公司 | A kind of workshop air purification device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102989252A (en) | 2013-03-27 |
| CN104190188A (en) | 2014-12-10 |
| CN104174236B (en) | 2016-04-27 |
| CN102989252B (en) | 2014-11-05 |
| CN102350167A (en) | 2012-02-15 |
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| PB01 | Publication | ||
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