CN109316883B - Dust collector for construction protection - Google Patents
Dust collector for construction protection Download PDFInfo
- Publication number
- CN109316883B CN109316883B CN201811316965.6A CN201811316965A CN109316883B CN 109316883 B CN109316883 B CN 109316883B CN 201811316965 A CN201811316965 A CN 201811316965A CN 109316883 B CN109316883 B CN 109316883B
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- mud
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
- E04G21/30—Safety or protective measures preventing damage to building parts or finishing work during construction against mechanical damage or dirt, e.g. guard covers of stairs
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a dust removal device for building construction protection, and relates to the technical field of building construction. The device comprises a movable plate, wherein a dust removal filtering mechanism is arranged at the upper end of the movable plate, and a ground dust removal mechanism is arranged at the rear side of the dust removal filtering mechanism; the dust removal filtering mechanism comprises a processing box fixed at the upper end of the movable plate; an air guide electromagnetic valve is arranged on the communicating pipe; an elastic membrane is hermetically arranged in the through hole; the front side in the lower cavity is provided with an atomization module; an exhaust fan is arranged on the upper side of the front end surface of the treatment box; the upper end of the treatment box is provided with a refrigeration device; a plurality of filter screens are uniformly fixed in the rear cavity along the vertical direction; the ground dust removing mechanism comprises an installation box fixedly connected with the lower part of the rear end of the treatment box; a mud storage box is fixed at the lower part of the front end in the installation box; the roller brush is rotatably arranged at the rear side in the installation box. The invention has the beneficial effects that: atomizing dust removal and low temperature filtration improve water resource utilization ratio, and the waste of water resource is reduced to mud absorption dust, and dust removal effect is good, and the water economy environmental protection.
Description
Technical Field
The invention relates to the technical field of building construction.
Background
During building construction, dust pollution is easy to generate and is mainly caused by floating dust accumulated on a building construction working position or the ground, so that dust removal is needed for air and the ground. Traditional dust collector is through a large amount of ground watering, perhaps sprinkles water dust removal in with air suction rose box, and a large amount of water resources are wasted to traditional mode, and water resource utilization is low, and in a construction area, long-time construction period then need carry out the work of removing dust many times every day, seriously wastes water.
Disclosure of Invention
The invention aims to solve the technical problem and provides a dust removal device for building construction protection aiming at the technical defects. Atomizing dust removal and low temperature filtration improve water resource utilization ratio, and the waste of water resource is reduced to mud absorption dust, and dust removal effect is good, and the water economy environmental protection.
The technical scheme adopted by the invention is as follows: the dust removal device for building construction protection comprises a movable plate, wherein a dust removal filtering mechanism is arranged at the upper end of the movable plate, and a ground dust removal mechanism is arranged on the rear side of the dust removal filtering mechanism;
the dust removal filtering mechanism comprises a processing box fixed at the upper end of the movable plate; the inside of the treatment box is divided into an upper cavity and a lower cavity which are vertically separated; the upper cavity is divided into a front cavity and a rear cavity by a middle vertical clapboard; the lower parts of the front cavity and the rear cavity are communicated through a communicating pipe; an air guide electromagnetic valve is arranged on the communicating pipe; a through hole is formed in the middle of the front side wall of the front cavity, and an elastic membrane is hermetically arranged in the through hole; the front side in the lower cavity is provided with an atomization module; the spraying output end of the atomizing module is communicated with a flow guide pipe; the guide pipe penetrates into the front cavity in a sealing manner and extends to the top of the front cavity; the top end of the flow guide pipe is communicated with a mist outlet nozzle; an exhaust fan is arranged on the upper side of the front end surface of the treatment box; the air outlet of the exhaust fan is communicated with the upper part of the front cavity, and the air inlet of the exhaust fan is communicated with an air inlet pipe; the upper end of the treatment box is provided with a refrigeration device; the evaporator of the refrigeration equipment is fixed on the left side wall of the rear cavity; a plurality of filter screens are uniformly fixed in the rear cavity along the vertical direction; an exhaust pipe is fixed at the upper part of the rear end of the treatment box; the exhaust pipe is communicated with the upper part of the rear cavity; the upper part of the exhaust pipe is provided with an exhaust electromagnetic valve; a sewage discharge window is arranged at the front end of the treatment box at the lower part of the front cavity; a sealing plate is inserted and matched in the sewage discharge window;
the ground dust removing mechanism comprises an installation box fixedly connected with the lower part of the rear end of the treatment box; the opening of the installation box faces downwards; a mud storage box is fixed at the lower part of the front end in the installation box; a roller brush is rotatably arranged at the rear side in the installation box; the lower side of the roller brush is in contact with the ground, and the middle part of the front side of the roller brush is arranged above the sludge storage box; a mud pump is arranged in the mud storage tank; the output end of the mud pump is communicated with a guide pipe; the upper end of the guide pipe is communicated with a cement spray head; the cement spray head is opposite to the side surface of the roller brush; the lower end of the rear side wall of the installation box is provided with a rubber scraper; the lower part of the exhaust pipe is communicated with the installation box and is opposite to the sludge storage box.
Further optimizing the technical scheme, the dust removal device for building construction protection is arranged in front of the roller brush, and a mud scraper is arranged in the installation box; the left end and the right end of the mud scraper are respectively fixedly connected with the left side wall and the right side wall of the installation box, the rear side of the mud scraper is in contact with the roller brush, and the mud scraper is arranged above the cement spray head.
Further optimizing the technical scheme, the lower cavity of the dust removal device for building construction protection is communicated with a water replenishing pipe; the water replenishing pipe is arranged at the front end of the treatment box.
Further optimizing the technical scheme, the dust removal device for building construction protection is arranged above the rubber scraper, and the rear end of the installation box is provided with a sludge discharge port; a collecting box is fixed at the rear end of the mounting box; the sludge discharge port is communicated with the collecting box.
The invention has the beneficial effects that:
1. utilize the atomizing in front chamber to carry out the humidification and gather dirt in the dust removal filter mechanism, reach dust removal effect, the atomizing covers more densely, it is effectual to gather dirt, can save the water resource, the low temperature of cooperation back chamber is filtered simultaneously, low temperature is filter screen and floating dust granule conduct carrier simultaneously, be favorable to the steam in the air (the air originally humidity and atomizing steam) to gather into and drip (dew), it scatters outward to reduce steam, improve the water resource utilization ratio, utilize the water droplet to the absorption of floating dust simultaneously, improve the filter capacity of filter screen, the filter effect is better, and from the clean effect in area. The air guide electromagnetic valve and the exhaust electromagnetic valve can control air to flow, the elastic bag is arranged and can be expanded to be matched with the air guide electromagnetic valve for use, the space of the front cavity is enlarged, the processing time can be controlled, and meanwhile, a time interval is provided for refrigeration.
Ground dust removal mechanism is to the construction road surface that levels relatively, the comparatively coarse cement face of preliminary construction etc. (do not basically to the dirt road, the great use such as ground of hollow) carry out dust collection and handle, place the viscidity earth (formation thick mud) that dilutes the stirring of adding water in the storage mud case, utilize viscidity earth be stained with the nature and collect the dust on ground, the tiny particle rubble etc. but reuse, can the water economy resource (add water and mud and can use by a large scale for a long time, compare in traditional large tracts of land a large amount of watering can play and show water conservation effect). Meanwhile, the sticky soil is not easy to form floating particles, the loose surface can be filled and leveled after dehydration and consolidation, the part remained on the ground can not form raise dust, meanwhile, the floating dust in the later period can be continuously adhered and adsorbed, and meanwhile, the rough surface is filled and leveled to protect, so that the rough surface is not easy to damage and drop, and the floating dust particles are further reduced. And the collection of viscidity earth is also comparatively convenient after long-term construction, and is difficult for producing a large amount of raise dusts. The rear rubber scraper can scrape and push redundant viscous soil;
the mud storage box of the ground dust removal mechanism is opposite to the exhaust pipe of the dust removal filtering mechanism, leaked floating dust in the finally discharged gas can be adsorbed and removed again, meanwhile, the exhaust channel in the installation box is further prolonged, and the dust can be adsorbed and removed again through the roller brush;
2. the mud scraping plate can scrape off part of mud, attached small broken stones and the like on the roller brush and flow into the mud storage box;
3. the atomization module can work with larger power, and the water replenishing pipe is convenient to replenish water;
4. the rubber scraper can scrape the redundant mud, and the rubber scraper can be triangle-shaped, utilizes the slope to lift the mud, and is collected by the collecting box.
Drawings
FIG. 1 is a schematic front main view structure of the present invention;
FIG. 2 is a schematic view of the internal plan structure of the present invention;
in the figure, 1, moving the plate; 2. a treatment tank; 3. a lower cavity; 4. a front cavity; 5. a rear cavity; 6. a communicating pipe; 7. an air guide electromagnetic valve; 8. an elastic film; 9. an atomization module; 10. a flow guide pipe; 11. a mist outlet nozzle; 12. an exhaust fan; 13. an air inlet pipe; 14. a refrigeration device; 15. an evaporator; 16. a filter screen; 17. an exhaust pipe; 18. an exhaust solenoid valve; 19. a blowdown window; 20. closing the plate; 21. installing a box; 22. a sludge storage tank; 23. a roller brush; 24. a mud pump; 25. a conduit; 26. a cement nozzle; 27. a rubber blade; 28. a mud scraper; 29. a water replenishing pipe; 30. a sludge discharge port; 31. and a collection box.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-2, a dust removing device for building construction protection comprises a movable plate 1, wherein a dust removing and filtering mechanism is arranged at the upper end of the movable plate 1, and a ground dust removing mechanism is arranged at the rear side of the dust removing and filtering mechanism; the dust removal filtering mechanism comprises a processing box 2 fixed at the upper end of the movable plate 1; the inside of the treatment box 2 is divided into an upper cavity and a lower cavity 3 which are vertically separated; the upper cavity is divided into a front cavity 4 and a rear cavity 5 by a partition plate which is vertical in the middle; the lower parts of the front cavity 4 and the rear cavity 5 are communicated through a communicating pipe 6; an air guide electromagnetic valve 7 is arranged on the communicating pipe 6; a through hole is formed in the middle of the front side wall of the front cavity 4, and an elastic membrane 8 is arranged in the through hole in a sealing mode; the front side in the lower cavity 3 is provided with an atomization module 9; the spraying output end of the atomizing module 9 is communicated with a flow guide pipe 10; the draft tube 10 penetrates into the front cavity 4 in a sealing way and extends to the top of the front cavity 4; the top end of the draft tube 10 is communicated with a mist outlet nozzle 11; an exhaust fan 12 is arranged on the upper side of the front end surface of the treatment box 2; an air outlet of the exhaust fan 12 is communicated with the upper part of the front cavity 4, and an air inlet of the exhaust fan 12 is communicated with an air inlet pipe 13; the upper end of the treatment box 2 is provided with a refrigeration device 14; the evaporator 15 of the refrigeration equipment 14 is fixed on the left side wall of the rear cavity 5; a plurality of filter screens 16 are uniformly fixed in the rear cavity 5 along the vertical direction; an exhaust pipe 17 is fixed at the upper part of the rear end of the treatment box 2; the exhaust pipe 17 is communicated with the upper part of the rear cavity 5; an exhaust electromagnetic valve 18 is arranged at the upper part of the exhaust pipe 17; the front end of the treatment box 2 is provided with a pollution discharge window 19 at the lower part of the front cavity 4; a closing plate 20 is inserted into the sewage discharge window 19 in a matching way; the ground dust removing mechanism comprises an installation box 21 fixedly connected with the lower part of the rear end of the treatment box 2; the opening of the installation box 21 faces downwards; a mud storage box 22 is fixed at the lower part of the front end in the installation box 21; a roller brush 23 is rotatably arranged at the rear side in the installation box 21; the lower side of the roller brush 23 is contacted with the ground, and the middle part of the front side of the roller brush 23 is arranged above the sludge storage tank 22; a mud pump 24 is arranged in the mud storage tank 22; the output end of the mud pump 24 is communicated with a conduit 25; the upper end of the guide pipe 25 is communicated with a cement spray head 26; the cement spray head 26 is opposite to the side surface of the roller brush 23; the lower end of the rear side wall of the mounting box 21 is provided with a rubber scraper 27; the lower part of the exhaust pipe 17 is communicated with the mounting box 21 and is opposite to the sludge storage box 22; a mud scraper 28 is arranged in the mounting box 21 in front of the roller brush 23; the left end and the right end of the mud scraper 28 are respectively fixedly connected with the left side wall and the right side wall of the installation box 21, the rear side of the mud scraper 28 is contacted with the roller brush 23, and the mud scraper 28 is arranged above the cement spray head 26; the lower cavity 3 is communicated with a water replenishing pipe 29; the water replenishing pipe 29 is arranged at the front end of the treatment box 2; a mud discharging opening 30 is arranged at the rear end of the installation box 21 above the rubber scraper 27; a collecting box 31 is fixed at the rear end of the mounting box 21; the sludge discharge port 30 communicates with a collection tank 31.
The atomization module 9, the refrigeration equipment 14 and the like related in the invention are conventional equipment, the atomization module 9 atomizes water in the lower cavity 3 of the treatment box 2, and the air inlet and the like of the atomization module can be communicated with the outside through conventional technical means. A compressor, a condenser, a throttle member, and the like included in the refrigeration equipment 14 are attached to the upper end of the treatment tank 2. The roller brush 23 is an integral conventional device of a roller and dense soft short bristles. The moving plate 1 may be moved by hand or by electric power. Filter screen 16 distribute from top to bottom, and can adopt different filtration ranks in proper order, the material can have burr etc. at the external surface, the formation of condensing of the water droplet of being convenient for more, the covering of water droplet can not cause the jam, the wind pressure then can blow away the removal greatly. The mud storage box 22 stores thick mud of viscous clay, which is clay with a large proportion of viscous particles, and utilizes the bonding adsorptivity and the property of being difficult to fly and rise dust after partial dehydration.
When the dust removal filter mechanism is used for removing dust from air, the air guide electromagnetic valve 7 and the exhaust electromagnetic valve 18 are closed, and the normal open power of the refrigeration equipment 14 is adjustable. The atomization module 9 is started to atomize the stored water in the lower cavity 3, and the stored water is conveyed to the fog outlet nozzle 11 through the flow guide pipe 10, and sufficient atomized water is conveyed into the front cavity 4; the exhaust fan 12 is started to press outside air into the front cavity 4, the air containing floating dust particles firstly passes through an atomization dust removal area in the front cavity 4, most dust in the air is gathered and falls on the bottom of the front cavity 4 by large-area covering contact, the elastic membrane 8 expands along with the extension of processing time, and the inner space of the front cavity 4 is enlarged; then the air guide electromagnetic valve 7 and the exhaust electromagnetic valve 18 are opened, the exhaust fan 12 still works simultaneously, but the power can be reduced, airflow enters the rear cavity 5 from the bottom communicating pipe 6, upward passes through the filtering of the filter screen 16, the refrigeration equipment 14 works to refrigerate, the evaporator 15 is utilized to absorb heat, the interior of the rear cavity 5 is mainly subjected to heat absorption and temperature reduction, the temperature is reduced to a dew point, so that water vapor contained in the air is conveniently gathered into dew and attached to the inner wall of the rear cavity 5 and on the filter screen or sinks to the bottom, the direct floating of the water vapor is reduced, the gathering is utilized to absorb dust, the elastic membrane 8 retracts, the air guide electromagnetic valve 7 and the exhaust electromagnetic valve 18 are closed after a period of treatment, and the operation steps are. Dew adheres to the filter screen 16 and can improve the filter effect, and the filtration level can be improved by utilizing the coverage of water by the larger filter screen 16 holes, and the water drops can not cause direct plugging. Finally, the air after dust removal and filtration is discharged through the exhaust pipe 17 and blown to the slurry in the sludge storage tank 22. To collect water vapor and increase the utilization of water, the refrigeration equipment 14 needs to have a large power to refrigerate so as to satisfy the flowing air flow, so that the speed of the exhaust fan 12 should be controlled to be in a relatively low working state according to actual conditions. The air guide electromagnetic valve 7 and the exhaust electromagnetic valve 18 can be matched with each other in switch control according to actual operation conditions.
When utilizing ground dust removal mechanism to adsorb dust removal to ground, store up the mud of the interior viscidity earth of storage mud case 22, open dredge pump 24 and draw mud from storing up mud case 22, and more for even spraying at the surface of cylinder brush 23 through cement shower nozzle 26, when moving, cylinder brush 23 then forms the roll with ground contact, new mud is constantly added at the place ahead middle part, unnecessary mud then can drop in storing up mud case 22 (utilize cylinder brush 23 can effectively control the mud volume, and be convenient for carry out dust, the granule is collected), when cylinder brush 23 carries mud and ground contact, utilize mud to adsorb ground dust, ground also can be stained with and attach mud, the deformation adaptation ground that the rubber scraper 27 of rear side can certain adaptability is scraped mud and is collected or is continuously promoted mud. The mud remained in the small groove on the ground can continue to realize the collection of dust falling from the position, and the formation of dust is avoided.
The setting of the mud scraper 28 can scrape off the mud part of top when the roller brush 23 rolls, is convenient for updating, and the mud scraper 28 front end is in storage mud case 22 top, and the mud that carries dust, little rubble granule then drops to storage mud case 22 in, can follow mud and utilize together. The small crushed stone particles should not affect the operation of the mud pump 24, the large crushed stones should be removed or moved in advance by other means, or a screen can be arranged on the mud scraper 28 or at the upper end of the mud storage tank 22 for filtration protection.
Auxiliary plates may be added to the left and right sides of the squeegee 27 to provide flow baffling so that when more slurry is being scraped, it will move up the slope through the sludge discharge opening 30 into the collection tank 31.
Claims (4)
1. The utility model provides a dust collector for construction protection which characterized in that: the dust removal and filtration device comprises a moving plate (1), wherein a dust removal and filtration mechanism is arranged at the upper end of the moving plate (1), and a ground dust removal mechanism is arranged at the rear side of the dust removal and filtration mechanism;
the dust removal filtering mechanism comprises a processing box (2) fixed at the upper end of the moving plate (1); the interior of the treatment box (2) is divided into an upper cavity and a lower cavity (3) which are separated from each other up and down; the upper cavity is divided into a front cavity (4) and a rear cavity (5) by a partition plate which is vertical in the middle; the lower parts of the front cavity (4) and the rear cavity (5) are communicated through a communicating pipe (6); an air guide electromagnetic valve (7) is arranged on the communicating pipe (6); a through hole is formed in the middle of the front side wall of the front cavity (4), and an elastic membrane (8) is hermetically arranged in the through hole; the front side in the lower cavity (3) is provided with an atomization module (9); the spraying output end of the atomizing module (9) is communicated with a flow guide pipe (10); the guide pipe (10) penetrates into the front cavity (4) in a sealing way and extends to the top of the front cavity (4); the top end of the draft tube (10) is communicated with a mist outlet nozzle (11); an exhaust fan (12) is arranged on the upper side of the front end surface of the treatment box (2); an air outlet of the exhaust fan (12) is communicated with the upper part of the front cavity (4), and an air inlet of the exhaust fan (12) is communicated with an air inlet pipe (13); the upper end of the treatment box (2) is provided with a refrigeration device (14); an evaporator (15) of the refrigeration equipment (14) is fixed on the left side wall of the rear cavity (5); a plurality of filter screens (16) are uniformly fixed in the rear cavity (5) along the vertical direction; an exhaust pipe (17) is fixed at the upper part of the rear end of the treatment box (2); the exhaust pipe (17) is communicated with the upper part of the rear cavity (5); an exhaust electromagnetic valve (18) is arranged at the upper part of the exhaust pipe (17); the front end of the treatment box (2) is provided with a sewage discharge window (19) at the lower part of the front cavity (4); a sealing plate (20) is inserted into the sewage discharge window (19) in a matching way;
the ground dust removing mechanism comprises an installation box (21) fixedly connected with the lower part of the rear end of the treatment box (2); the opening of the mounting box (21) faces downwards; a mud storage box (22) is fixed at the lower part of the front end in the installation box (21), and sticky mud diluted and stirred by adding water is placed in the mud storage box (22); a roller brush (23) is rotatably arranged at the rear side in the installation box (21); the lower side of the roller brush (23) is in contact with the ground, and the middle part of the front side of the roller brush (23) is arranged above the sludge storage tank (22); a mud pump (24) is arranged in the mud storage tank (22); the output end of the mud pump (24) is communicated with a conduit (25); the upper end of the guide pipe (25) is communicated with a cement nozzle (26); the cement spray head (26) is opposite to the side surface of the roller brush (23); the lower end of the rear side wall of the mounting box (21) is provided with a rubber scraper (27); the lower part of the exhaust pipe (17) is communicated with the mounting box (21) and is opposite to the sludge storage box (22).
2. The dust removing device for building construction protection according to claim 1, characterized in that: a mud scraper (28) is arranged in the mounting box (21) in front of the roller brush (23); the left end and the right end of the mud scraper (28) are respectively fixedly connected with the left side wall and the right side wall of the installation box (21), the rear side of the mud scraper (28) is in contact with the roller brush (23), and the mud scraper (28) is arranged above the cement spray head (26).
3. The dust removing device for building construction protection according to claim 1, characterized in that: the lower cavity (3) is communicated with a water replenishing pipe (29); the water replenishing pipe (29) is arranged at the front end of the treatment box (2).
4. The dust removing device for building construction protection according to claim 1, characterized in that: a mud discharging opening (30) is arranged at the rear end of the mounting box (21) above the rubber scraper (27); a collecting box (31) is fixed at the rear end of the mounting box (21); the sludge discharge port (30) is communicated with the collecting box (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811316965.6A CN109316883B (en) | 2018-11-06 | 2018-11-06 | Dust collector for construction protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811316965.6A CN109316883B (en) | 2018-11-06 | 2018-11-06 | Dust collector for construction protection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109316883A CN109316883A (en) | 2019-02-12 |
| CN109316883B true CN109316883B (en) | 2021-02-26 |
Family
ID=65260197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811316965.6A Expired - Fee Related CN109316883B (en) | 2018-11-06 | 2018-11-06 | Dust collector for construction protection |
Country Status (1)
| Country | Link |
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| CN (1) | CN109316883B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227321B (en) * | 2019-06-06 | 2021-06-18 | 江苏建宇建设集团有限公司 | Dust falling device for inhibiting dust raising of building site |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1417418A (en) * | 2002-11-04 | 2003-05-14 | 天津大学 | Movable dust collector |
| CN2933539Y (en) * | 2006-08-08 | 2007-08-15 | 杨景旺 | Grip type patching machines full automatic combined dust remover |
| CN202658560U (en) * | 2012-07-16 | 2013-01-09 | 苏州大学 | Dust removing device for road dust-absorbing road sweeper |
| CN103961967A (en) * | 2014-05-08 | 2014-08-06 | 张鹏镇 | Dust filtering and purifying device |
| CN104084411B (en) * | 2014-06-12 | 2017-08-29 | 灌阳县陈工选矿机械制造有限公司 | A kind of mine dust arrester |
| CN206343036U (en) * | 2016-12-02 | 2017-07-21 | 刘润宇 | A kind of device for reducing dust for reducing dust pollution |
| CN206980365U (en) * | 2017-07-21 | 2018-02-09 | 李跃辉 | A kind of road construction device for reducing dust |
| CN107754510B (en) * | 2017-11-07 | 2020-07-24 | 重庆市御临建筑工程有限公司 | High-efficient dust collector is used in construction protection |
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2018
- 2018-11-06 CN CN201811316965.6A patent/CN109316883B/en not_active Expired - Fee Related
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| CN109316883A (en) | 2019-02-12 |
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