CN109908692A - A kind of coating dust environmental protection equipment - Google Patents

A kind of coating dust environmental protection equipment Download PDF

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Publication number
CN109908692A
CN109908692A CN201910220572.3A CN201910220572A CN109908692A CN 109908692 A CN109908692 A CN 109908692A CN 201910220572 A CN201910220572 A CN 201910220572A CN 109908692 A CN109908692 A CN 109908692A
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CN
China
Prior art keywords
chamber
environmental protection
protection equipment
filter
sieve plate
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.)
Withdrawn
Application number
CN201910220572.3A
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Chinese (zh)
Inventor
卢国兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yangzhou Hainayuan Science And Technology Service Co Ltd
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Yangzhou Hainayuan Science And Technology Service Co Ltd
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Priority to CN201910220572.3A priority Critical patent/CN109908692A/en
Publication of CN109908692A publication Critical patent/CN109908692A/en
Withdrawn legal-status Critical Current

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Abstract

The present invention relates to environmental technology field, specifically a kind of coating dust environmental protection equipment, including device noumenon;The inside that the upper right side of described device ontology offers from left to right successively offers filter chamber, electrostatic precipitation chamber and wet dedusting chamber, the upside of filter chamber is connected to by first passage with the inside of electrostatic precipitation chamber, and the bottom of electrostatic precipitation chamber is connected to by second channel with the inside of wet dedusting chamber;The inside of the filter chamber is fixedly installed with fine filtering net and coarse strainer, filter chamber be internally located at fine filtering net and the bottom of coarse strainer is provided with cleaning mechanism.The present invention improves clean-up effect and improves gas interior dust and chamber inner wall collision probability, accelerates dust releasing, improves clean-up effect, improves fine filtering net and coarse strainer to the dust removing effects of gas, while without manually cleaning, saving human resources.

Description

A kind of coating dust environmental protection equipment
Technical field
The present invention relates to environmental technology field, specifically a kind of coating dust environmental protection equipment.
Background technique
Dust refers to the aerial solia particle that suspends.Traditionally to dust, there are many titles, such as dust, dust, cigarette Dirt, mine dust, sand dust, powder etc., these nouns do not have apparent boundary.International Organization for Standardization, partial size is less than 75 μm Solid suspension is defined as dust.One of the main reason for presence of dust is to maintain global warming in an atmosphere, mistake in atmosphere More or very few dust will generate disastrous effect to environment.But in life and work, industrial dust is human health Natural enemy, be induce a variety of diseases the main reason for.
A large amount of dust can constantly be generated during painting, these dust without processing direct emission can to environment and Human health brings great harm, existing dust-extraction unit single use filter mechanism or electrostatic dust removal mechanism to carry out dust Cleaning can not effectively remove dust-laden particle in gas, still there is part residual after the completion of dedusting.
Therefore, for the above status, there is an urgent need to develop a kind of coating dust environmental protection equipments, to overcome currently practical application In deficiency.
Summary of the invention
The purpose of the present invention is to provide a kind of coating dust environmental protection equipments, to solve mentioned above in the background art ask Topic.
To achieve the above object, the invention provides the following technical scheme:
A kind of coating dust environmental protection equipment, including device noumenon;The inside that the upper right side of described device ontology offers from It is removed by first passage and electrostatic left-to-right filter chamber, electrostatic precipitation chamber and wet dedusting chamber, the upside of filter chamber of successively offering The inside of dirt chamber is connected to, and the bottom of electrostatic precipitation chamber is connected to by second channel with the inside of wet dedusting chamber;The filter chamber Inside is fixedly installed with fine filtering net and coarse strainer, the bottom setting for being internally located at fine filtering net and coarse strainer of filter chamber There is cleaning mechanism;Anode plate is fixedly installed on the inner wall of the electrostatic precipitation chamber, the centre of electrostatic precipitation chamber is fixedly installed with Cathode plate;It is fixedly installed with spraying mechanism on the downside of the wet dedusting chamber, spraying mechanism includes the water pipe of several symmetrical branches, water pipe Downside be provided with nozzle.
As a further solution of the present invention: the lower left side of described device ontology offers gas feed, device noumenon Upper right side offers gas vent, and gas feed is connected to the bottom of filter chamber, and gas vent is connected to the top of wet dedusting chamber.
As a further solution of the present invention: the first passage and second channel are the right narrow structure of left width.
As a further solution of the present invention: the cleaning mechanism includes the U-type groove being provided on filtering cavity wall and clear Clean roller, the internal symmetry of the U-type groove are rotatably equipped with two screw rods, and the upside of two screw rods is sequentially connected by belt, and The two sides up and down of two screw rods are arranged symmetrically, and there are two types of oppositely oriented external screw threads, and the two sides up and down of screw rod are also threaded with Two swivel nuts.
As a further solution of the present invention: between two swivel nuts between two swivel nuts of upside and positioned at downside It is rotatably equipped with clearer, clearer is attached to filter screen bottom.
As a further solution of the present invention: promising anode plate and cathode is also fixedly mounted in the top of the electrostatic precipitation chamber The power supply mechanism of plate power supply.
As a further solution of the present invention: the spraying mechanism further includes the water pump that promising water pipe supplies water, water pump It is connected to water tank.
As a further solution of the present invention: the bottom of the wet dedusting chamber is connected by the water inlet of circulating water pipe and water pump It is logical, water purifier is provided on circulating water pipe.
As a further solution of the present invention: the inside of the wet dedusting chamber is additionally provided with drying mechanism.
As a further solution of the present invention: further including the filter mechanism for substituting coarse strainer, filter mechanism includes the first sieve Plate and the second sieve plate, the second sieve plate are rotatably installed in the bottom of the first sieve plate, and the first sieve plate and the second sieve-plate structure are identical, and the Filter hole is uniformly provided on one sieve plate and the second sieve plate, the upside of the first sieve plate, which is also fixedly installed with, drives the rotation of the second sieve plate Third motor, third motor be servo motor.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention is connected to the upside of filter chamber with the inside of electrostatic precipitation chamber by first passage, electrostatic precipitation chamber Bottom is connected to by second channel with the inside of wet dedusting chamber, and first passage and second channel are the right narrow structure of left width, gas When by first passage or second channel, channel narrow side squeezes gas, increases gas flow rate, so that gas be made to have Higher kinetic energy improves gas interior dust and chamber inner wall collision probability, accelerates dust releasing, improves clean-up effect;
2, the bottom for being internally located at fine filtering net and coarse strainer of filter chamber is also provided with cleaning mechanism, for essence The filtering surface of thin filter screen and coarse strainer is cleared up, and is increased the service life of fine filtering net and coarse strainer, is improved fine mistake Strainer and coarse strainer save human resources to the dust removing effects of gas, while without manually cleaning;
3, anode plate and cathode plate are additionally provided with, generating high voltage electric field between anode plate and cathode plate makes dusty gas Ionization, while the dust charged in air-flow can be separated under electric field action with gas;
4, finally cleaning water is sprayed downwards using spraying mechanism, dusty gas quickly sprays simultaneously upwards from second channel Collision is generated with clean water, removes remaining dust particles in dusty gas.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of coating dust environmental protection equipment.
Fig. 2 is the structural schematic diagram of cleaning mechanism in coating dust environmental protection equipment.
Fig. 3 is the structural schematic diagram of spraying mechanism in coating dust environmental protection equipment.
Fig. 4 is the front view of coating dust environmental protection equipment.
Fig. 5 is the structural schematic diagram of second of embodiment in coating dust environmental protection equipment.
Fig. 6 is the structural schematic diagram of filter mechanism in coating dust environmental protection equipment.
In figure: 1- device noumenon, 101- gas feed, 102- first passage, 103- second channel, 104- gas vent, 105- maintenance door, 2- filter chamber, 201- fine filtering net, 202- coarse strainer, 203- cleaning mechanism, 204- first motor, 205-U Type groove, 206- swivel nut, 207- screw rod, 208- belt, 209- clearer, the second motor of 210-, 211- filter mechanism, 212- first Sieve plate, the second sieve plate of 213-, 214- third motor, 3- electrostatic precipitation chamber, 301- power supply mechanism, 302- anode plate, 303- cathode The wet dedusting chamber of plate, 4-, 401- water pump, 402- drying mechanism, 403- circulating water pipe, 404- spraying mechanism, 405- water purifier.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
The embodiment of this patent is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, and is only used for explaining this patent, and cannot be understood as a limitation of this patent.
In the description of this patent, it is to be understood that term " center ", "upper", "lower", "front", "rear", " left side ", The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure Orientation or positional relationship, be merely for convenience of description this patent and simplify description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to this patent.
In the description of this patent, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection ", " setting " shall be understood in a broad sense, for example, it may be being fixedly linked, being arranged, may be a detachable connection, set It sets, or is integrally connected, is arranged.For the ordinary skill in the art, above-mentioned art can be understood as the case may be The concrete meaning of language in this patent.
Embodiment 1
Please refer to Fig. 1~4, in the embodiment of the present invention, a kind of coating dust environmental protection equipment, including device noumenon 1;The dress The lower left side for setting ontology 1 offers gas feed 101, and the upper right side of device noumenon 1 offers gas vent 104, device noumenon 1 The inside that offers of upper right side from left to right successively offer filter chamber 2, electrostatic precipitation chamber 3 and wet dedusting chamber 4, gas feed 101 are connected to the bottom of filter chamber 2, and for the addition of dusty gas, gas vent 104 is connected to the top of wet dedusting chamber 4, use The discharge of clean gas after filtering;
The upside of the filter chamber 2 is connected to by first passage 102 with the inside of electrostatic precipitation chamber 3, electrostatic precipitation chamber 3 Bottom is connected to by second channel 103 with the inside of wet dedusting chamber 4, and first passage 102 and second channel 103 are left wide right narrow Structure, when gas passes through first passage 102 or second channel 103, channel narrow side squeezes gas, increases gas flow rate Greatly, to make gas that there is higher kinetic energy, gas interior dust and chamber inner wall collision probability are improved, accelerates dust releasing, Improve clean-up effect;
The inside of the filter chamber 2 is fixedly installed with fine filtering net 201 and coarse strainer 202, and filter chamber 2 is internally located at The bottom of fine filtering net 201 and coarse strainer 202 is provided with cleaning mechanism 203, for fine filtering net 201 and coarse strainer 202 filtering surface is cleared up, and the service life of fine filtering net 201 and coarse strainer 202 is increased, and improves fine filtering net 201 With coarse strainer 202 to the dust removing effects of gas, while without manually cleaning, human resources are saved;
The cleaning mechanism 203 includes the U-type groove 205 and clearer 209 being provided on 2 inner wall of filter chamber, the U-type groove 205 internal symmetry is rotatably equipped with two screw rods 207, and the upside of two screw rods 207 is sequentially connected by belt 208, and two The two sides up and down of root screw rod 207 are symmetrical arranged there are two types of oppositely oriented external screw thread, and the two sides up and down of screw rod 207 also screw thread connects Swivel nut 206 there are two connecing drives two swivel nuts 206 to move up and down when screw rod 207 is rotated clockwise or rotated counterclockwise;Positioned at upper Clearer 209, clearer 209 are rotatably equipped between two swivel nuts 206 of side and between two swivel nuts 206 of downside It is attached to filter screen bottom, drives clearer 209 mobile when swivel nut 206 moves up and down, under the action of frictional force, clearer 209 It constantly rotates and screen surface is cleared up;
Anode plate 302 is fixedly installed on the inner wall of the electrostatic precipitation chamber 3, anode plate 302 is ring structure, and electrostatic removes The centre of dirt chamber 3 is fixedly installed with cathode plate 303, and promising anode plate 302 and cathode is also fixedly mounted in the top of electrostatic precipitation chamber 3 The power supply mechanism 301 that plate 303 is powered, high voltage electric field is generated between anode plate 302 and cathode plate 303 makes dusty gas that electricity occur From, while the dust charged in air-flow can be separated under electric field action with gas;
Spraying mechanism 404 is fixedly installed on the downside of the wet dedusting chamber 4, spraying mechanism 404 includes several symmetrical branches Water pipe is provided with nozzle on the downside of water pipe, and spraying mechanism 404 further includes the water pump 401 that promising water pipe supplies water, water pump 401 It is connected to water tank, nozzle sprays downwards cleaning water, and dusty gas quickly sprays upwards from second channel 103 and and clean water Collision is generated, remaining dust particles in dusty gas are removed;The bottom of the wet dedusting chamber 4 passes through circulating water pipe 403 and water pump 401 water inlet is connected to, and water purifier 405 is provided on circulating water pipe 403, for cleaning sewage;
Humidity when in order to avoid clean gas outlet is excessively high, and the inside of the wet dedusting chamber 4 is additionally provided with drying mechanism 402。
Embodiment 2
Please refer to Fig. 2~6, in the embodiment of the present invention, a kind of coating dust environmental protection equipment, including device noumenon 1;The dress The lower left side for setting ontology 1 offers gas feed 101, and the upper right side of device noumenon 1 offers gas vent 104, device noumenon 1 The inside that offers of upper right side from left to right successively offer filter chamber 2, electrostatic precipitation chamber 3 and wet dedusting chamber 4, gas feed 101 are connected to the bottom of filter chamber 2, and for the addition of dusty gas, gas vent 104 is connected to the top of wet dedusting chamber 4, use The discharge of clean gas after filtering;
The upside of the filter chamber 2 is connected to by first passage 102 with the inside of electrostatic precipitation chamber 3, electrostatic precipitation chamber 3 Bottom is connected to by second channel 103 with the inside of wet dedusting chamber 4, and first passage 102 and second channel 103 are left wide right narrow Structure, when gas passes through first passage 102 or second channel 103, channel narrow side squeezes gas, increases gas flow rate Greatly, to make gas that there is higher kinetic energy, gas interior dust and chamber inner wall collision probability are improved, accelerates dust releasing, Improve clean-up effect;
The inside of the filter chamber 2 is fixedly installed with fine filtering net 201 and coarse strainer 202, and filter chamber 2 is internally located at The bottom of fine filtering net 201 and coarse strainer 202 is provided with cleaning mechanism 203, for fine filtering net 201 and coarse strainer 202 filtering surface is cleared up, and the service life of fine filtering net 201 and coarse strainer 202 is increased, and improves fine filtering net 201 With coarse strainer 202 to the dust removing effects of gas, while without manually cleaning, human resources are saved;
The cleaning mechanism 203 includes the U-type groove 205 and clearer 209 being provided on 2 inner wall of filter chamber, the U-type groove 205 internal symmetry is rotatably equipped with two screw rods 207, and the upside of two screw rods 207 is sequentially connected by belt 208, and two The two sides up and down of root screw rod 207 are symmetrical arranged there are two types of oppositely oriented external screw thread, and the two sides up and down of screw rod 207 also screw thread connects Swivel nut 206 there are two connecing drives two swivel nuts 206 to move up and down when screw rod 207 is rotated clockwise or rotated counterclockwise;Positioned at upper Clearer 209, clearer 209 are rotatably equipped between two swivel nuts 206 of side and between two swivel nuts 206 of downside It is attached to filter screen bottom, drives clearer 209 mobile when swivel nut 206 moves up and down, under the action of frictional force, clearer 209 It constantly rotates and screen surface is cleared up;
Anode plate 302 is fixedly installed on the inner wall of the electrostatic precipitation chamber 3, anode plate 302 is ring structure, and electrostatic removes The centre of dirt chamber 3 is fixedly installed with cathode plate 303, and promising anode plate 302 and cathode is also fixedly mounted in the top of electrostatic precipitation chamber 3 The power supply mechanism 301 that plate 303 is powered, high voltage electric field is generated between anode plate 302 and cathode plate 303 makes dusty gas that electricity occur From, while the dust charged in air-flow can be separated under electric field action with gas;
Spraying mechanism 404 is fixedly installed on the downside of the wet dedusting chamber 4, spraying mechanism 404 includes several symmetrical branches Water pipe is provided with nozzle on the downside of water pipe, and spraying mechanism 404 further includes the water pump 401 that promising water pipe supplies water, water pump 401 It is connected to water tank, nozzle sprays downwards cleaning water, and dusty gas quickly sprays upwards from second channel 103 and and clean water Collision is generated, remaining dust particles in dusty gas are removed;The bottom of the wet dedusting chamber 4 passes through circulating water pipe 403 and water pump 401 water inlet is connected to, and water purifier 405 is provided on circulating water pipe 403, for cleaning sewage;
Humidity when in order to avoid clean gas outlet is excessively high, and the inside of the wet dedusting chamber 4 is additionally provided with drying mechanism 402。
The present embodiment difference from example 1 is that, with filter mechanism 211 substitute coarse strainer 202, filter mechanism 211 include the first sieve plate 212 and the second sieve plate 213, and the second sieve plate 213 is rotatably installed in the bottom of the first sieve plate 212, the first sieve Plate 212 is identical with 213 structure of the second sieve plate, and filter hole is uniformly provided on the first sieve plate 212 and the second sieve plate 213, and first The upside of sieve plate 212 is also fixedly installed with the third motor 214 for driving the rotation of the second sieve plate 213, and third motor 214 is servo electricity Machine drives the rotation of the second sieve plate 213 by third motor 214, so that the filter hole on two sieve plates is aligned or is staggered, to adjust The actual filtration area of filter opening improves the practicability of filter mechanism 211.
The above are merely the preferred embodiment of the present invention, it is noted that for those skilled in the art, not Under the premise of being detached from present inventive concept, several modifications and improvements can also be made, these also should be considered as protection model of the invention It encloses, these all will not influence the effect and patent practicability that the present invention is implemented.

Claims (10)

1. a kind of coating dust environmental protection equipment, which is characterized in that including device noumenon (1);The upper right side of described device ontology (1) The inside offered from left to right successively offers filter chamber (2), electrostatic precipitation chamber (3) and wet dedusting chamber (4), filter chamber (2) Upside be connected to the inside of electrostatic precipitation chamber (3) by first passage (102), the bottom of electrostatic precipitation chamber (3) passes through second Channel (103) is connected to the inside of wet dedusting chamber (4);The inside of the filter chamber (2) is fixedly installed with fine filtering net (201) With coarse strainer (202), filter chamber (2) be internally located at fine filtering net (201) and the bottom of coarse strainer (202) is provided with cleaning Mechanism (203);It is fixedly installed with anode plate (302) on the inner wall of the electrostatic precipitation chamber (3), the centre of electrostatic precipitation chamber (3) It is fixedly installed with cathode plate (303);Spraying mechanism (404), spraying mechanism are fixedly installed on the downside of the wet dedusting chamber (4) (404) include several symmetrical branches water pipe, be provided with nozzle on the downside of water pipe.
2. coating dust environmental protection equipment according to claim 1, which is characterized in that the lower left side of described device ontology (1) It offers gas feed (101), the upper right side of device noumenon (1) offers gas vent (104), gas feed (101) and mistake The bottom of filter chamber (2) is connected to, and gas vent (104) is connected to the top of wet dedusting chamber (4).
3. coating dust environmental protection equipment according to claim 1, which is characterized in that the first passage (102) and second Channel (103) is the right narrow structure of left width.
4. coating dust environmental protection equipment according to claim 1 to 3, which is characterized in that the cleaning mechanism (203) Including the U-type groove (205) being provided on filter chamber (2) inner wall and clearer (209), the internal symmetry of the U-type groove (205) turns Dynamic to be equipped with two screw rods (207), the upside of two screw rods (207) is sequentially connected by belt (208), and two screw rods (207) two sides up and down are arranged symmetrically, and there are two types of oppositely oriented external screw threads, and the two sides up and down of screw rod (207) are also threadedly coupled There are two swivel nut (206).
5. coating dust environmental protection equipment according to claim 4, which is characterized in that two swivel nuts (206) positioned at upside Between and be rotatably equipped with clearer (209) between two swivel nuts (206) of downside, clearer (209) is attached to filter Sieve bottom.
6. coating dust environmental protection equipment according to claim 1, which is characterized in that the top of the electrostatic precipitation chamber (3) The power supply mechanism (301) of promising anode plate (302) and cathode plate (303) power supply is also fixedly mounted.
7. coating dust environmental protection equipment according to claim 1, which is characterized in that the spraying mechanism (404) further includes The water pump (401) that promising water pipe supplies water, water pump (401) are connected to water tank.
8. coating dust environmental protection equipment according to claim 8, which is characterized in that the bottom of the wet dedusting chamber (4) is logical It crosses circulating water pipe (403) to be connected to the water inlet of water pump (401), water purifier (405) is provided on circulating water pipe (403).
9. coating dust environmental protection equipment according to claim 9, which is characterized in that the inside of the wet dedusting chamber (4) is also It is provided with drying mechanism (402).
10. coating dust environmental protection equipment according to claim 1, which is characterized in that further include substitution coarse strainer (202) Filter mechanism (211), filter mechanism (211) include the first sieve plate (212) and the second sieve plate (213), the second sieve plate (213) rotation It is mounted on the bottom of the first sieve plate (212), the first sieve plate (212) is identical with the second sieve plate (213) structure, and the first sieve plate (212) and on the second sieve plate (213) it is uniformly provided with filter hole, the upside of the first sieve plate (212) is also fixedly installed with drive The third motor (214) of two sieve plates (213) rotation, third motor (214) are servo motor.
CN201910220572.3A 2019-03-21 2019-03-21 A kind of coating dust environmental protection equipment Withdrawn CN109908692A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910220572.3A CN109908692A (en) 2019-03-21 2019-03-21 A kind of coating dust environmental protection equipment

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Application Number Priority Date Filing Date Title
CN201910220572.3A CN109908692A (en) 2019-03-21 2019-03-21 A kind of coating dust environmental protection equipment

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110575717A (en) * 2019-10-11 2019-12-17 江苏润广环保科技有限公司 Environmental protection purifies and filters smog device
CN110787583A (en) * 2019-12-06 2020-02-14 徐州申恒环境科技有限公司 Efficient electrostatic workshop oil mist treatment equipment and working mode thereof
CN111001254A (en) * 2019-12-31 2020-04-14 唐红英 Dust collector is used in weaving workshop

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102519159A (en) * 2011-12-07 2012-06-27 苏州同济材料科技有限公司 Solar water heater cleaning device
CN203490155U (en) * 2013-10-12 2014-03-19 郑州光力科技股份有限公司 Dust concentration detecting device
CN104858016A (en) * 2015-06-19 2015-08-26 吴扬华 Garbage disposal device with heat dissipation function
CN109126347A (en) * 2018-09-04 2019-01-04 嘉兴市豪艺家纺有限公司 A kind of industrial and mining enterprises' smog dust collection purification device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102519159A (en) * 2011-12-07 2012-06-27 苏州同济材料科技有限公司 Solar water heater cleaning device
CN203490155U (en) * 2013-10-12 2014-03-19 郑州光力科技股份有限公司 Dust concentration detecting device
CN104858016A (en) * 2015-06-19 2015-08-26 吴扬华 Garbage disposal device with heat dissipation function
CN109126347A (en) * 2018-09-04 2019-01-04 嘉兴市豪艺家纺有限公司 A kind of industrial and mining enterprises' smog dust collection purification device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110575717A (en) * 2019-10-11 2019-12-17 江苏润广环保科技有限公司 Environmental protection purifies and filters smog device
CN110787583A (en) * 2019-12-06 2020-02-14 徐州申恒环境科技有限公司 Efficient electrostatic workshop oil mist treatment equipment and working mode thereof
CN111001254A (en) * 2019-12-31 2020-04-14 唐红英 Dust collector is used in weaving workshop

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