CN104998500B - A kind of air filter - Google Patents
A kind of air filter Download PDFInfo
- Publication number
- CN104998500B CN104998500B CN201510390006.9A CN201510390006A CN104998500B CN 104998500 B CN104998500 B CN 104998500B CN 201510390006 A CN201510390006 A CN 201510390006A CN 104998500 B CN104998500 B CN 104998500B
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- filter screen
- dust
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Abstract
A kind of air filter, filter screen and dust remove the hairbrush close contact of apparatus surface, drive powder dust remover to rotate when filter screen rotates, dust is removed the hairbrush of apparatus surface and will be cleaned with water in water by the dust on filter screen, cleaning rod and dust remove the hairbrush close contact of apparatus surface, when powder dust remover rotates, the dust sticked on hairbrush is scavenged in water by cleaning rod.
Description
Technical field
The present invention relates to the defecator of a kind of dust for crossing in air filtering or oil smoke, belong to air filtration technology.
Background technology
For paint locker, operationally, producing substantial amounts of dust and harmful gas, these nuisances not only affect the healthy of operator, and the processing of product is caused damage.So, paint locker all can use exhaust equipment and dust-filtering equipment, as gathered the Water curtain machine of filtration and convulsion function.The design of Water curtain machine usually arranges one baffle plate at the middle part of rack, water flows through one cascade of formation from overhead stream to baffle surface, side arranges a filtering trough under the baffle, gap it is provided with between filtering trough and baffle plate, so that air is from clearance flow between baffle plate and filtering trough to aerator, dust in air is encountered cascade and will be adsorbed with water in inflow filtering trough, the benefit of this design is that parts are installed concentratedly, it is moved easily use, deficiency is that air flows through only by the gap between baffle plate and filtering trough, because only, during air flowing, the route that selecting paths is the shortest, so, top at cascade, the mobility of air is just poor, dust removing effects is less desirable.
Also having a kind of dedusting method, whole paint spray booth floor adopts metallic grid, and exhaust apparatus carries out suction and discharge from the space of grid Yu ground, and the advantage of this design is to accelerate tenesmus when dust drops, and dust is drained, to play the effect of purification.But, this structure is not suitable for using in a lot of occasions.
For kitchen, a large amount of oil smoke can be produced during cooking, by smoke exhaust ventilator by outside oil smoke discharge chamber, although such design solves the oil smoke problem of indoor, but flue and surrounding can be produced severe contamination, so, also some kitchen has installed oil removing and electrostatic precipitator additional, but such configuration exists the hidden danger of high pressure leakage fire.
Now with 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 uses the time one long, and filter screen is easily blocked, difficult clean and maintenance.
It is, thus, sought for one can not only effectively dedusting, smoke abatement, moreover it is possible to effectively reduce environment the air filter unit that can automatically be cleaned.
Summary of the invention
It is an object of the invention to provide one can not only effectively dedusting, smoke abatement, moreover it is possible to effectively reduce environment the air filter unit that can automatically be cleaned.
The technical scheme is that a kind of air filter, mainly being made up of air intake and exhaust system 1, dust filtering device 2, filtering trough 3, gap 4, cistern 5, water circulating pump 6, flow pipe 7, air cleaner 8, the mode that air intake and exhaust system 1 is arranged in a matrix by the aerator 11 of more than 1 is arranged on the rear of dust filtering device 2；Described dust filtering device 2 includes parallel upper roll shaft 21, lower roller shaft 22 and power set 23, and flow pipe 7 is positioned at above dust filtering device 2, and filtering trough 3 is positioned at below dust filtering device 2；Water in cistern 5 pumps into flow pipe 7 by water circulating pump 6, spray on filter screen 24 from the top of upper roll shaft 21 again, described dust filtering device 2 also includes the banding filter screen 24 being driven rotation by power set 23, described filter screen 24 joins end to end and forms annular, one end is enclosed within roll shaft 21, the other end is enclosed within 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 when lower roller shaft 22 rotates, band electric filter 24 and upper roll shaft 21 rotate；It is arranged below powder dust remover 25 at lower roller shaft 22；During work, air intake and exhaust system 1 inhales dynamic air flow filter screen, dust and oil smoke in air are adhered to by moist filter screen, filter screen is moved downwardly into filtering trough 3 under the drive of power set 23, stick to the dust on filter screen and oil smoke and be washed in water by powder dust remover 2, described powder dust remover 25 is made up of three axles with hairbrush, the these three axle with hairbrush is in close contact with filter screen 24 all respectively, power set 23 drive lower roller shaft 22 to be further driven to filter screen 24 when rotating and rotate, filter screen 24 rotates and drives powder dust remover 25 to rotate, the dust on filter screen 24 surface is cleaned with water in water by the hairbrush on powder dust remover 25 surface；At the rear of air intake and exhaust system 1, air purifying room 8 is set；It is mounted with air purifier 81 in described air purifying room 8, wall is provided with air vent 82.Air containing a small amount of dust and harmful gas is blown into air purifying room 8 by aerator, the harmful gas in air, after being purified by air purifier 81, discharges again through air vent 82.
Described filtering trough 3 is positioned at cistern, and the edge of filtering trough 3 is provided with gap 4, makes water unnecessary in filtering trough 3 overflow in cistern 5.
Beneficial effect:
1, filter screen and dust remove the hairbrush close contact of apparatus surface, drive powder dust remover to rotate when filter screen rotates, and dust is removed the hairbrush of apparatus surface and will be cleaned with water in water by the dust on filter screen.
2, cleaning rod and dust remove the hairbrush close contact of apparatus surface, and when powder dust remover rotates, the dust sticked on hairbrush is scavenged in water by cleaning rod.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the A-A figure of Fig. 1.
Detailed description of the invention
As depicted in figs. 1 and 2, air filter, mainly being made up of air intake and exhaust system 1, dust filtering device 2, filtering trough 3, gap 4, cistern 5, water circulating pump 6, flow pipe 7, air cleaner 8, the mode that air intake and exhaust system 1 is arranged in a matrix by the aerator 11 of more than 1 is arranged on the rear of dust filtering device 2.
Cistern 5 is connected with pedestal 51, and columns base is provided with water channel 52；Described dust filtering device 2 includes parallel upper roll shaft 21, lower roller shaft 22 and power set 23, and flow pipe 7 is positioned at above dust filtering device 2, and filtering trough 3 is positioned at below dust filtering device 2, is provided with blowoff valve 31 bottom filtering trough 3；Water in cistern 5 pumps into flow pipe 7 by water circulating pump 6, spray on filter screen 24 from the top of upper roll shaft 21 again, described dust filtering device 2 also includes the banding filter screen 24 being driven rotation by power set 23, described filter screen 24 joins end to end and forms annular, one end is enclosed within roll shaft 21, the other end is enclosed within 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 when lower roller shaft 22 rotates, band electric filter 24 and upper roll shaft 21 rotate；It is arranged below powder dust remover 25 at lower roller shaft 22；During work, air intake and exhaust system 1 inhales dynamic air flow filter screen, dust and oil smoke in air are adhered to by moist filter screen, and filter screen is moved downwardly into filtering trough 3 under the drive of power set 23, sticks to the dust on filter screen and oil smoke and is washed in water by powder dust remover 2.
Described powder dust remover 25 is made up of the more than one axle with hairbrush parallel with lower roller shaft 22, it is made up of three axles with hairbrush as in the embodiment shown in fig. 1, the these three axle with hairbrush is in close contact with filter screen 24 all respectively, so, power set 23 drive lower roller shaft 22 to be further driven to filter screen 24 when rotating and rotate, filter screen 24 rotates and drives powder dust remover 25 to rotate, and the dust on filter screen 24 surface is cleaned with water in water by the hairbrush on powder dust remover 25 surface.
Each powder dust remover 25 is connected with a cleaning rod 26, and described cleaning rod 26 contacts with the surface of powder dust remover 25；Described cleaning rod 26 is the hard thing of strip, the compressive deformation when the hairbrush on powder dust remover 25 turns to cleaning rod surface, and the dust cleaned excellent 26 in hairbrush scrapes in water.
During work, air intake and exhaust system 1 inhales dynamic air flow filter screen, being adhered to by moist filter screen at most dust and oil smoke in air, filter screen is moved downwardly into filtering trough 3 under the drive of power set 23, sticks to the dust on filter screen and oil smoke and is washed in water by powder dust remover 2.Little part air is under the suction of air intake and exhaust system 1 is dynamic, and aperture intensive in outer screen blows to interior side screen, and moist filter screen adsorbs to fall some again the dust contained in air and oil smoke.Remaining dust and oil smoke in air, blow into air cleaner 8 after being sucked by aerator 11, discharges from air vent 82 after being purified by air purifier 81.
Described filtering trough 3 is positioned at cistern, and the edge of filtering trough 3 is provided with gap 4, makes water unnecessary in filtering trough 3 overflow in cistern 5.Being provided with bottom filtering trough 3 after blowoff valve 31, dust and oil smoke are adsorbed by filter screen is swept in water by powder dust remover 25 again, is regularly drained by blowoff valve 31 after precipitation.
Cistern 5 is used for precipitating dust, and supplies water to water circulating pump 6.Mix dust, in water, enters cistern 5 from filtering trough 3 through gap, and through after a while, dust sinks to bottom cistern 5 under gravity, is more regularly discharged by the water channel 52 being located at the bottom of pond.
The bottom of described lower roller shaft 22 is immersed in the water in filtering trough 3.Make there is no space between lower roller shaft 22 and filtering trough 3, it is to avoid the air containing a large amount of dust is directly entered aerator without filtration.
The output gear 231 of power set 23 is engaged with the power input gear of lower roller shaft 22, drives lower roller shaft 22 to rotate.
Described powder dust remover 25 has only to rely on the frictional force that filter screen 24 produces when transporting just can rotate, travelling gear 221 can also be set on lower roller shaft 22, it is engaged with the power input gear 251 of powder dust remover 25 by travelling gear 221, it is achieved when lower roller shaft 22 rotates, drive powder dust remover 25 to rotate.
Described filtering trough 3 is connected with cistern 5 by drain pipe 4, and the water in cistern 5 pumps into flow pipe 7 by water circulating pump 6, and spray is on upper roll shaft 21 and filter screen 24.Cistern 5 is used for precipitating dust, and supplies water to water circulating pump 6.Mix dust, in water, enters cistern 5 from filtering trough 3 through drain pipe 4, and through after a while, dust sinks to bottom cistern 5 under gravity, is more regularly discharged by the water channel being located at the bottom of pond.
At the rear of air intake and exhaust system 1, air purifying room 8 is set.
It is mounted with air purifier 81 in described air purifying room 8, wall is provided with air vent 82.
nullDuring work，Power set 23 drive upper roll shaft 21 and lower roller shaft 22 to rotate，And then band electric filter 24 rotates，Dust is attracted on filter screen 24 by air intake and exhaust system 1，Most dust adheres on the filter screen 24 of humidity，Driven by filter screen 24 and move down，When filter screen 24 is through powder dust remover 25，Due to both close contacts，Form bigger frictional force between the two，Powder dust remover 25 also can rotate under the drive of filter screen 24，The hairbrush on powder dust remover 25 surface brushes the dust on filter screen 24 in water，Water logging is again passed by through swept filter screen 24，Under the effect of power set 23，Laterally moved from the one of close air intake and exhaust system 1，A small amount of dust through front filter screen adheres on filter screen 24 further，Filter screen continues to move up，After turning over roll shaft 21，It is moved down into after adhering to a large amount of dust again in filtering trough 3，Again removed dust by the hairbrush on powder dust remover 25 and be wetted，Move up under the effect of power set 23 again，So move in circles，Constantly the air flow through is purified，By the dust adhesion in air and take in water，Make the air of entrance aerator containing only having a small amount of dust and harmful gas.
Air containing a small amount of dust and harmful gas is blown into air purifying room 8 by aerator, the harmful gas in air, after being purified by air purifier 81, discharges again through air vent 82.
The present invention can be used on paint locker, arranging in the side of workbench can the filter screen 24 of scroll-up/down, it is arranged below filtering trough 3 at filter screen 24, at the aerator 11 that the wall mounting at filter screen 24 rear is arranged in arrays, air purifying room 8 is set after wall, the paint of generation, dust when spraying paint, it becomes possible to be drawn onto on the filter screen 24 of humidity in time by aerator 11, being cleaned by filtering trough 3 again, the air after filter screen 24 filters is blown to air purifying room 8 again and purifies further.In like manner, present invention may also apply to carpentry yard, to be fallen by the dust disposal of generation in time, the health of carpentry yard can not only be ensured, additionally aid the healthy of maintenance operator.
When the present invention is for paint locker and carpentry yard, arranging in the side of workbench can the filter screen 24 of scroll-up/down, it is arranged below filtering trough 3 at filter screen 24, at the aerator 11 that the wall mounting at filter screen 24 rear is arranged in arrays, air purifying room 8 is set after wall, the paint of generation, dust when spraying paint, it becomes possible to be drawn onto on the filter screen 24 of humidity in time by aerator 11, being cleaned by filtering trough 3 again, the air after filter screen 24 filters is blown to air purifying room 8 again and purifies further.
When the present invention is for kitchen, arranging air filter at the rear of workbench, the oil smoke produced during cooking can be adsorbed on the filter screen of humidity, is then cleaned by filtering trough again, is more regularly drained off, it is to avoid ambient air is polluted.
If the dust in air and oil smoke content requirement is higher, by arranging one air intake and exhaust system 1 again in the front of dust filtering device 2, or multiple parallel dust filtering device 2 is set to reach target.
By constantly rotating filter screen, and in filter screen spray water down over, make the dust in filter screen absorbed air and oil smoke, again through the filtering trough that filter screen is arranged below, the dust that adsorbed by filter screen, oil smoke is cleaned filters, and effectively reduces the pollution to environment, and can automatically filter screen be cleaned.
Above-described embodiment is intended merely to the purposes of the interpretation present invention, and is not limitation of the present invention, and those skilled in the art in the essential scope of the present invention, make a variety of changes or substitute, also should belong to the protection category of the present invention.
Claims (1)
1. an air filter, mainly being made up of air intake and exhaust system (1), dust filtering device (2), filtering trough (3), gap (4), cistern (5), water circulating pump (6), flow pipe (7), air cleaner (8), the mode that air intake and exhaust system (1) is arranged in a matrix by the aerator (11) of more than 1 is arranged on the rear of dust filtering device (2)；Described dust filtering device (2) includes parallel upper roll shaft (21), lower roller shaft (22) and power set (23), flow pipe (7) is positioned at dust filtering device (2) top, and filtering trough (3) is positioned at dust filtering device (2) lower section；The inner water of cistern (5) pumps into flow pipe (7) by water circulating pump (6), spray on filter screen (24) from the top of upper roll shaft (21) again, described dust filtering device (2) also includes being driven, by power set (23), the banding filter screen (24) rotated, described filter screen (24) joins end to end and forms annular, one end is enclosed within roll shaft (21), the other end is enclosed within lower roller shaft (22), and the bottom of lower roller shaft (22) is immersed in the water in filtering trough (3)；Power set (23) drive lower roller shaft (22) to rotate, and when lower roller shaft (22) rotates, band electric filter (24) and upper roll shaft (21) rotate；It is arranged below powder dust remover (25) at lower roller shaft (22)；During work, air intake and exhaust system (1) inhales dynamic air flow filter screen, dust and oil smoke in air are adhered to by moist filter screen, filter screen is moved downwardly into filtering trough (3) under the drive of power set (23), stick to the dust on filter screen and oil smoke and be washed in water by powder dust remover (2), it is characterized in that: described powder dust remover (25) is made up of three axles with hairbrush, the these three axle with hairbrush is in close contact with filter screen (24) all respectively, power set (23) drive lower roller shaft (22) to be further driven to filter screen (24) when rotating and rotate, filter screen (24) rotates and drives powder dust remover (25) to rotate, the dust on filter screen (24) surface is cleaned with water in water by the hairbrush on powder dust remover (25) surface；At the rear of air intake and exhaust system (1), air cleaner (8) is set；It is mounted with air purifier (81) in described air cleaner (8), wall is provided with air vent (82)；Air containing a small amount of dust and harmful gas is blown into air cleaner (8), the harmful gas in air by aerator, after being purified by air purifier (81), discharges again through air vent (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510390006.9A CN104998500B (en) | 2011-10-21 | 2012-08-05 | A kind of air filter |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110324829A CN102319533A (en) | 2011-10-21 | 2011-10-21 | Water curtain machine with dust removing device |
| CN2011103248293 | 2011-10-21 | ||
| CN201210275902.7A CN103055613B (en) | 2011-10-21 | 2012-08-05 | With the air filter of self-cleaning device |
| CN201510390006.9A CN104998500B (en) | 2011-10-21 | 2012-08-05 | A kind of air filter |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210275902.7A Division CN103055613B (en) | 2011-10-21 | 2012-08-05 | With the air filter of self-cleaning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104998500A CN104998500A (en) | 2015-10-28 |
| CN104998500B true CN104998500B (en) | 2016-07-06 |
Family
ID=45447440
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110324829A Pending CN102319533A (en) | 2011-10-21 | 2011-10-21 | Water curtain machine with dust removing device |
| CN201510390006.9A Active CN104998500B (en) | 2011-10-21 | 2012-08-05 | A kind of air filter |
| CN201210275902.7A Expired - Fee Related CN103055613B (en) | 2011-10-21 | 2012-08-05 | With the air filter of self-cleaning device |
| CN201510390097.6A Expired - Fee Related CN104998501B (en) | 2011-10-21 | 2012-08-05 | The air filter unit that a kind of paint locker or carpentry yard use |
| CN201510389924.XA Pending CN104888572A (en) | 2011-10-21 | 2012-08-05 | Dust filter device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110324829A Pending CN102319533A (en) | 2011-10-21 | 2011-10-21 | Water curtain machine with dust removing device |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210275902.7A Expired - Fee Related CN103055613B (en) | 2011-10-21 | 2012-08-05 | With the air filter of self-cleaning device |
| CN201510390097.6A Expired - Fee Related CN104998501B (en) | 2011-10-21 | 2012-08-05 | The air filter unit that a kind of paint locker or carpentry yard use |
| CN201510389924.XA Pending CN104888572A (en) | 2011-10-21 | 2012-08-05 | Dust filter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (5) | CN102319533A (en) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319533A (en) * | 2011-10-21 | 2012-01-18 | 赵建勋 | Water curtain machine with dust removing device |
| CN102729452B (en) * | 2012-07-19 | 2014-06-04 | 浙江大学 | Automatic circulation screen filter device for blow-molding melt |
| CN104289050B (en) * | 2014-08-22 | 2016-06-08 | 深圳朴方环保发展有限公司 | A kind of haze sedimentation filtration curtain wall |
| CN104759165A (en) * | 2015-04-23 | 2015-07-08 | 杭州恒煜环保科技有限公司 | Exhaust gas pretreatment and purification device |
| CN104941375A (en) * | 2015-07-01 | 2015-09-30 | 马鞍山市润启新材料科技有限公司 | Spinning machine exhaust treatment line |
| CN105214415A (en) * | 2015-11-16 | 2016-01-06 | 梁俊 | A kind of air cleaning unit for fishing pole spray painting operation |
| CN105381676A (en) * | 2015-12-09 | 2016-03-09 | 广西玉柴重工有限公司 | Dedusting and filtering device of motor sweeper |
| CN105650754A (en) * | 2016-01-27 | 2016-06-08 | 蚌埠市瑞风净化设备工程有限责任公司 | Anti-blockage air purification device |
| CN106273244B (en) * | 2016-08-29 | 2018-06-19 | 潼南县开鑫电子科技有限责任公司 | A kind of injection molding machine feeding device |
| CN106552473A (en) * | 2016-12-01 | 2017-04-05 | 冯大兰 | A kind of filter |
| CN106582152A (en) * | 2016-12-08 | 2017-04-26 | 芜湖科创生产力促进中心有限责任公司 | City haze removal equipment |
| CN107213725A (en) * | 2017-05-09 | 2017-09-29 | 黄春庭 | Crawler type air cleaner |
| CN108579309B (en) * | 2018-07-05 | 2024-04-16 | 江苏中科睿赛污染控制工程有限公司 | Oil smoke waste gas pretreatment system and method |
| CN111589254A (en) * | 2020-06-30 | 2020-08-28 | 罗茂青 | Industrial dust purifier |
| CN112604437A (en) * | 2020-12-11 | 2021-04-06 | 江西云聚信息科技有限公司 | Oil smoke multi-pole purification device |
| CN112742146A (en) * | 2020-12-11 | 2021-05-04 | 魏超 | Dust falling device for highway construction and application method thereof |
| CN114504912A (en) * | 2022-02-10 | 2022-05-17 | 安徽省恒金矿业有限公司 | Spray type dust removal system |
| CN117564054B (en) * | 2023-10-27 | 2024-05-17 | 北京科技大学 | Device suitable for dust treatment of building site |
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| JPH0647229A (en) * | 1992-07-29 | 1994-02-22 | Satake Eng Co Ltd | Wet type dust collector |
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| CN102319533A (en) * | 2011-10-21 | 2012-01-18 | 赵建勋 | Water curtain machine with dust removing device |
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| CN1283771A (en) * | 2000-08-31 | 2001-02-14 | 罗志星 | Automat of air conditioner for cleaning dehumidized water storage and rotating filter screen |
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| CN201394400Y (en) * | 2009-04-19 | 2010-02-03 | 江阴市空调除尘设备厂 | Novel self-cleaning dust filter |
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| CN201906529U (en) * | 2010-11-27 | 2011-07-27 | 郝剑波 | Air cooling-purifying device |
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| CN102309904A (en) * | 2011-10-21 | 2012-01-11 | 赵建勋 | Water curtain machine with filter screen flushing device |
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- 2011-10-21 CN CN201110324829A patent/CN102319533A/en active Pending
-
2012
- 2012-08-05 CN CN201510390006.9A patent/CN104998500B/en active Active
- 2012-08-05 CN CN201210275902.7A patent/CN103055613B/en not_active Expired - Fee Related
- 2012-08-05 CN CN201510390097.6A patent/CN104998501B/en not_active Expired - Fee Related
- 2012-08-05 CN CN201510389924.XA patent/CN104888572A/en active Pending
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| JPH0647229A (en) * | 1992-07-29 | 1994-02-22 | Satake Eng Co Ltd | Wet type dust collector |
| CN101543704A (en) * | 2009-04-19 | 2009-09-30 | 江阴市空调除尘设备厂 | Self-cleaning dust filter |
| CN201997209U (en) * | 2011-03-13 | 2011-10-05 | 昆明雷恩科技有限公司 | Drum-type water film dust collector |
| CN102319533A (en) * | 2011-10-21 | 2012-01-18 | 赵建勋 | Water curtain machine with dust removing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103055613A (en) | 2013-04-24 |
| CN104998500A (en) | 2015-10-28 |
| CN104888572A (en) | 2015-09-09 |
| CN104998501B (en) | 2016-11-23 |
| CN102319533A (en) | 2012-01-18 |
| CN104998501A (en) | 2015-10-28 |
| CN103055613B (en) | 2015-08-12 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
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| C14 | Grant of patent or utility model | ||
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Effective date of registration: 20190611 Address after: 518106 15 Building 9-2 Tangming Avenue, Tangwei Community, Gongming Office, Guangming New District, Shenzhen City, Guangdong Province Patentee after: Guangzhou Steel Linde Gas (Shenzhen) Co., Ltd. Address before: 350200 Fuzhou, Fujian, Changle, Wu Hang street, 110 West Road, international pearl 707 Patentee before: Changle city Li Zhi product design Co., Ltd |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Floor 1-2, building 15, No. 9-2, Tangming Avenue, Tangwei community, Fenghuang street, Guangming District, Shenzhen City, Guangdong Province Patentee after: Guanggang gas (Shenzhen) Co., Ltd Address before: 518106 15 Building 9-2 Tangming Avenue, Tangwei Community, Gongming Office, Guangming New District, Shenzhen City, Guangdong Province Patentee before: Guangzhou Steel Linde Gas (Shenzhen) Co.,Ltd. |