CN105498970B - Frictional static formula dust arrester and dust collection method - Google Patents
Frictional static formula dust arrester and dust collection method Download PDFInfo
- Publication number
- CN105498970B CN105498970B CN201610093531.9A CN201610093531A CN105498970B CN 105498970 B CN105498970 B CN 105498970B CN 201610093531 A CN201610093531 A CN 201610093531A CN 105498970 B CN105498970 B CN 105498970B
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- fan
- fixed
- dust
- disc
- water container
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- 239000000428 dust Substances 0.000 title claims abstract description 93
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000003068 static effect Effects 0.000 title abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 239000012716 precipitator Substances 0.000 claims description 9
- 239000010865 sewage Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 230000000903 blocking effect Effects 0.000 abstract 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 3
- 238000004887 air purification Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012717 electrostatic precipitator Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000005684 electric field Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- -1 automobile exhaust Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/16—Plant or installations having external electricity supply wet type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/45—Collecting-electrodes
- B03C3/47—Collecting-electrodes flat, e.g. plates, discs, gratings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/74—Cleaning the electrodes
- B03C3/78—Cleaning the electrodes by washing
Landscapes
- Electrostatic Separation (AREA)
Abstract
The present invention provides a kind of frictional static formula dust arrester and method, and device therein includes fanning tray, top cover, container filled with water, the rotating shaft that rotating disk is connected with rotating disk, the pole plate that is fixed on rotating disk；Multiple fans are distributed with fanning tray, and are fixed with brush, brush is fixed with the top of container filled with water；The front end of top cover is fixed in fanning tray, and the rear end of top cover is fixed on container filled with water, and rotating disk is fixedly connected with container filled with water；The conducting strip stretched out in the fan page of fan, with the brush sliding contact being fixed in fanning tray；The conducting strip that the electrode slice of the inside of pole plate stretches out, the brush sliding contact with the top for being fixed on container filled with water；The brush for being fixed on fanning tray is connected with the brush for being fixed on container filled with water.High energy consumption, easy blocking, the halfway problem of dedusting in traditional dust arrester are can solve the problem that using the present invention.
Description
Technical Field
The invention relates to the technical field of air purification, in particular to an air purification device and a dust removal method, which can adsorb dust in air by utilizing static charge caused by friction and efficiently recover the dust.
Background
At present, the air pollution treatment situation of China is very severe, and haze weather generally appears in big and medium-sized cities in China, which seriously affects the life and production and the body health of people. Fire coal, automobile exhaust, industrial waste gas, building site dust etc. are all the factors that produce the haze, and the core material of haze is the dust granule of suspension in the air.
The existing dust suction devices mainly comprise a filtering type dust suction device, a wet type dust suction device and an electrostatic type dust suction device, wherein the filtering type dust suction device mainly comprises a suction pipe, a filter disc and a vacuum pump, and has the advantages of high energy consumption, easiness in blockage and need of regular cleaning; compared with filtration type dust collection, the main electrostatic dust collection of the wet dust collector has lower energy consumption, but the current electrostatic dust collection device adopts high pressure and consists of a high-pressure centrifugal fan, a water tank and a high-pressure spray head, so that the energy consumption is high, and a large amount of water needs to be consumed; the discharge or the point discharge of the strong electric field ionizes the air and adsorbs the dust to the anode plate. High-voltage discharge or strong electric field point discharge can produce ozone, and is harmful to human health, and in addition, current electrostatic precipitator does not adsorb the dust to the dust collecting plate and does fine processing, and the dust is a large amount of accumulations at the dust collecting plate, has the hidden danger that arouses the conflagration.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a frictional electrostatic dust collector and a dust collecting method, so as to solve the problems of high energy consumption, easy blockage and incomplete dust collection in the conventional dust collector.
The invention provides a friction electrostatic dust removal device, which comprises a fan disc, a top cover, a water container, a rotary disc, a rotating shaft connected with the rotary disc and a polar plate fixed on the rotary disc, wherein the fan disc is arranged on the top cover; wherein,
a plurality of fans are distributed on the fan disc, electric brushes are fixed on the fan disc, and the electric brushes are fixed at the top end of the water container;
the front end of the top cover is fixed on the fan disc, the rear end of the top cover is fixed on the water container, and the rotary disc is fixedly connected with the water container;
the conducting strip extending out of the fan blade of the fan is in sliding contact with the electric brush fixed on the fan disc;
the conducting strip extending out of the electrode plate inside the polar plate is in sliding contact with an electric brush fixed at the top end of the water container; and,
the electric brush fixed on the fan disc is connected with the electric brush fixed on the water container.
In addition, preferably, the electrode plate is provided with an electrode plate inside and an insulating layer outside.
In addition, it is preferable that the brush fixed to the fan plate is connected to the brush fixed to the water container through a wire.
In addition, it is preferable that a sewage discharge port is provided at a lower portion of the water container.
The invention also provides a friction electrostatic dust removal method, which adopts the friction electrostatic dust removal device to remove dust, and the dust removal method comprises the following steps:
the fan on the fan disc rotates completely, air suspended with dust enters from the front of the fan disc and rubs with the fan blades on the fan, the fan blades obtain electrons and are negatively charged, and the air loses the electrons and is positively charged;
electrons on the fan blade are transmitted to the electric brush at the top end of the water container, the electric brush of the polar plate and the conducting sheet of the polar plate through conducting wires by the conducting sheet and the electric brush on the fan blade, so that the polar plate is negatively charged;
the polar plate with negative charge contacts with the passing air to adsorb the dust in the air;
the polar plate rotates around the rotating shaft along with the rotating disc, the polar plate is separated from the electric brush at the top end of the water container and rotates below a water level line of the water container, the conducting strip of the polar plate is communicated with dust in water, negative charges on the electrode plate of the polar plate are neutralized with positive charges on the dust, the electrostatic adsorption effect disappears, and the dust falls off from the polar plate and is dissolved in the water.
According to the technical scheme, the friction electrostatic dust removal device and the dust removal method provided by the invention can efficiently remove dust in air to play a role in purifying air, the device is low in energy consumption and can not generate ozone, and the device directly dissolves the dust in water to remove dust thoroughly.
To the accomplishment of the foregoing and related ends, one or more aspects of the invention comprise the features hereinafter fully described and particularly pointed out in the claims. The following description and the annexed drawings set forth in detail certain illustrative aspects of the invention. These aspects are indicative, however, of but a few of the various ways in which the principles of the invention may be employed. Further, the present invention is intended to include all such aspects and their equivalents.
Drawings
Other objects and results of the present invention will become more apparent and more readily appreciated as the same becomes better understood by reference to the following description and appended claims, taken in conjunction with the accompanying drawings. In the drawings:
FIG. 1 is a schematic diagram of a vertical cross-sectional structure of a triboelectrostatic dust removal device according to an embodiment of the present invention;
FIG. 2 is a schematic top view of an electrostatic precipitator according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a triboelectrostatic dust removal device according to an embodiment of the present invention;
FIG. 4 is a schematic circuit diagram of an exemplary embodiment of an electrostatic precipitator;
FIG. 5 is a flow chart of a triboelectrostatic dust removal method according to an embodiment of the present invention.
Wherein the reference numerals include: the device comprises a fan disc 1, a fan 2, an air inlet direction 3, a top cover 4, a polar plate 5, a rotary disc 6, a rotating shaft 7, a water container 8, a water level line 9, a sewage discharge port 10, fan blades 11, conducting strips 12 and 16, electric brushes 13 and 17, an electrode plate 14, an insulating layer 15 and a lead 18.
The same reference numbers in all figures indicate similar or corresponding features or functions.
Detailed Description
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details.
Aiming at the problems of high energy consumption, easy blockage and incomplete dust removal in the traditional dust removal device, the frictional electrostatic dust removal device and the dust removal method provided by the invention have the advantages that static charges are easily generated by mutual friction of two materials with obvious difference of work functions (obvious difference of electron binding capacity), the frictional electrostatic dust removal device is provided, the materials with high work functions are adopted to rub with air, so that the air is positively charged, negative charges on the materials are guided to a polar plate, dust in the air is adsorbed, the polar plate is annularly arranged and can rotate around a rotating shaft, when a certain polar plate rotates to the position below the water surface, the inner and outer sides of the polar plate are guided, the negative charges on the polar plate are neutralized with the positive charges on the dust, and the dust falls off from the polar plate and is dissolved into the water.
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In order to illustrate the structure of the triboelectrostatic precipitator according to the present invention, fig. 1 to 4 show the structure of the triboelectrostatic precipitator from different angles. Specifically, fig. 1 shows a vertical sectional structure of a triboelectrostatic dust removing device according to an embodiment of the present invention; FIG. 2 shows a top view of an exemplary triboelectrostatic precipitator according to an exemplary embodiment of the present disclosure; FIG. 3 illustrates a triboelectrostatic precipitator arrangement according to an embodiment of the present invention; FIG. 4 illustrates a triboelectrostatic precipitator circuit according to an embodiment of the present invention.
As shown in fig. 1 to 4, the present invention provides a frictional electrostatic dust collector, which comprises a fan disc 1, a top cover 2, a water container 8, a rotating disc 6, a rotating shaft 7 connected with the rotating disc 6, and a plurality of polar plates 5 fixed on the rotating disc 6.
Wherein, a plurality of fans 2 are distributed on the fan 1, and fixed with electric brushes 13, and fixed with electric brushes 17 on the top of the water container 8; the front end of the top cover 4 is fixed on the fan disc 1, the rear end of the top cover 4 is fixed on the water container 8, and the rotary disc 6 is fixedly connected with the water container 8.
A conducting strip 12 extending from the fan blade 11 of the fan 2 is in sliding contact with a brush 13 fixed on the fan disc 1; a conducting strip 16 extending from an electrode plate 14 in the pole plate 5 is in sliding contact with a brush 17 fixed at the top end of the water container 8; the brush 13 fixed to the fan plate and the brush 17 fixed to the water container are connected to each other by a lead wire 18.
In the embodiment of fig. 1, a plurality of fans 2 are distributed on a fan tray 1, the air inlet direction 3 is provided, the front end of a top cover 4 is lapped on the fan tray 1, the rear end is erected on a water container 8, a plurality of polar plates 5 are fixed on a rotary table 6 and rotate around a rotary shaft 7 together, the water surface in the water container 8 does not exceed a water level line 9, and a sewage discharge port 10 is arranged at the lower part of the water container 8.
In the embodiment shown in fig. 4, the fan blade 11 (fan blade of the fan 2) has a conductive strip 12 projecting therefrom, which is in sliding contact with a brush 13 fixed to the fan disc 1; the pole plate 5 is internally provided with an electrode plate 14, the outside is provided with an insulating layer 15, a conducting strip 16 extends from the electrode plate 14 and is in sliding contact with an electric brush 17 fixed on the water container 8 (the electric brush 17 only exists above the top surface of the water container 8), and the electric brush 13 is connected with the electric brush 17 by a lead 18.
In combination with the embodiments shown in fig. 1 to 4, the operation principle of the triboelectrostatic dust collector is as follows:
after the power supply is switched on, the fan 2 rotates completely, air suspended with dust enters from the front of the fan disc 1, the air rubs against the fan blade 11, the air loses electrons and is positively charged, the fan blade 11 obtains electrons and is negatively charged, the electrons are transmitted to the electrode plate 14 through the conducting strip 12, the electric brush 13, the conducting wire 18, the electric brush 17 and the conducting strip 16 in sequence, and the electrode plate 5 presents negative charges and is in contact with the passing air to adsorb the dust in the air. With the rotation of the rotating disc 6 around the rotating shaft 7, the polar plate 5 is firstly separated from the electric brush 17, then the polar plate 5 rotates to be below the water level line 9, the conducting strip 16 is conducted with dust in water, negative charges on the electrode slice 14 are neutralized with positive charges on the dust, the electrostatic adsorption action disappears, and the dust falls off from the polar plate 5 and is dissolved in the water.
After a period of use, excessive dust is dissolved in the water, the sewage discharge port 10 is opened, the sewage is discharged, and the tap water is refilled for continuous use.
According to the structure of the frictional electrostatic dust removal device, the invention further provides a frictional electrostatic dust removal method, and in order to explain the frictional electrostatic dust removal method provided by the invention, fig. 5 shows a flow of the frictional electrostatic dust removal method according to an embodiment of the invention.
As shown in fig. 5, the triboelectrostatic dust removal method provided by the present invention includes:
s510: the fans on the fan disc rotate completely, air suspended with dust enters from the front of the fan disc and rubs with the fan blades on the fans, the fan blades obtain electrons and are negatively charged, and the air loses the electrons and is positively charged;
s520: electrons on the fan blade are transmitted to the electric brush at the top end of the water container, the conducting sheet and the conducting sheet of the polar plate through the conducting sheet and the electric brush on the fan blade and the conducting wire, and then the polar plate is charged with negative charges;
s530: the polar plate with negative charge contacts with the passing air to adsorb the dust in the air;
s540: the polar plate rotates around the rotating shaft along with the rotating disc, the polar plate is separated from the electric brush at the top end of the water container and rotates below the water level line of the water container, the conducting strip of the polar plate is communicated with dust in water, negative charges on the electrode piece of the polar plate are neutralized with positive charges on the dust, the electrostatic adsorption effect disappears, and the dust falls off from the polar plate and is dissolved in the water.
After the friction electrostatic dust removal method is adopted for removing dust for a period of time, excessive dust is dissolved in water, a sewage discharge port 10 is opened, and sewage is discharged.
According to the friction electrostatic dust removal device and the dust removal method, dust in air can be efficiently removed, the air purification effect is achieved, the energy consumption of the device is low, ozone cannot be generated, the device directly dissolves the dust in water, and dust removal is thorough.
The triboelectrostatic dust removing device and the dust removing method proposed according to the present invention are described above by way of example with reference to the accompanying drawings. However, it should be understood by those skilled in the art that various modifications can be made to the triboelectrostatic dust removing device and the dust removing method of the present invention without departing from the scope of the present invention. Therefore, the scope of the present invention should be determined by the contents of the appended claims.
Claims (4)
1. A friction electrostatic dust removal device comprises a fan disc, a top cover, a water container, a rotary disc, a rotating shaft connected with the rotary disc and a polar plate fixed on the rotary disc; it is characterized in that the preparation method is characterized in that,
a plurality of fans are distributed on the fan disc, electric brushes are fixed on the fan disc, and the electric brushes are fixed at the top end of the water container;
the front end of the top cover is fixed on the fan disc, the rear end of the top cover is fixed on the water container, and the rotary disc is fixedly connected with the water container;
the conducting strip extending out of the fan blade of the fan is in sliding contact with the electric brush fixed on the fan disc;
the conducting strip extending out of the electrode plate inside the polar plate is in sliding contact with an electric brush fixed at the top end of the water container; and,
the electric brush fixed on the fan disc is connected with the electric brush fixed on the water container; wherein,
and a sewage discharge port is arranged at the lower part of the water container.
2. The triboelectrostatic precipitator of claim 1,
the electrode plate is internally provided with an electrode plate, and the outside of the electrode plate is provided with an insulating layer.
3. The triboelectrostatic precipitator of claim 1,
the electric brush fixed on the fan disc is connected with the electric brush fixed on the water container through a lead.
4. A triboelectrostatic precipitator for removing dust using the triboelectrostatic precipitator according to any one of claims 1 to 3, the method comprising:
the fan on the fan disc rotates completely, air suspended with dust enters from the front of the fan disc and rubs with the fan blades on the fan, the fan blades obtain electrons and are negatively charged, and the air loses the electrons and is positively charged;
electrons on the fan blade sequentially pass through the conducting strip on the fan blade, the electric brush on the fan disc, the conducting wire, the electric brush at the top end of the water container, the conducting strip of the polar plate and the electrode plate inside the polar plate, so that the polar plate is negatively charged;
the polar plate with negative charge contacts with the passing air to adsorb the dust in the air;
the polar plate rotates around the rotating shaft along with the rotating disc, the polar plate is separated from the electric brush at the top end of the water container and rotates below a water level line of the water container, the conducting strip of the polar plate is communicated with dust in water, negative charges on the electrode plate of the polar plate are neutralized with positive charges on the dust, the electrostatic adsorption effect disappears, and the dust falls off from the polar plate and is dissolved in the water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610093531.9A CN105498970B (en) | 2016-02-21 | 2016-02-21 | Frictional static formula dust arrester and dust collection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610093531.9A CN105498970B (en) | 2016-02-21 | 2016-02-21 | Frictional static formula dust arrester and dust collection method |
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| Publication Number | Publication Date |
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| CN105498970A CN105498970A (en) | 2016-04-20 |
| CN105498970B true CN105498970B (en) | 2017-06-27 |
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| CN201610093531.9A Expired - Fee Related CN105498970B (en) | 2016-02-21 | 2016-02-21 | Frictional static formula dust arrester and dust collection method |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106582165B (en) * | 2016-05-19 | 2018-10-16 | 北京中科纳清科技股份有限公司 | A kind of friction electrical dust collector device, dust pelletizing system and dust removal method |
| CN106560251B (en) * | 2016-05-19 | 2018-05-11 | 北京中科纳清科技股份有限公司 | A kind of dedusting module and cartridge-type gas dust-extraction unit |
| CN106560249B (en) * | 2016-05-19 | 2018-05-08 | 北京中科纳清科技股份有限公司 | A kind of drum-type gas dust-removing device |
| CN106694227B (en) * | 2017-01-18 | 2018-09-07 | 王珏 | A kind of gas purification dust-extraction unit |
| CN110369138B (en) * | 2019-07-19 | 2020-11-10 | 湖州越彬智能科技有限公司 | Dust recovery system of textile machine |
| CN110523534B (en) * | 2019-08-19 | 2020-12-08 | 沈剑峰 | Textile storage warehouse ventilation equipment |
| CN112705546B (en) * | 2020-12-10 | 2023-06-13 | 陕西艾米思拓光电科技有限公司 | Self-cleaning mechanism for spherical mirror |
| CN113277232B (en) * | 2021-04-09 | 2022-09-27 | 于都金开莱生态农业发展有限公司 | Green food storage and transportation sterilization system and sterilization method thereof |
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| GB411722A (en) * | 1933-09-19 | 1934-06-14 | Siemens Lurgi Cottrell Elektro | Improvements in or relating to the electrical treatment of gases or liquids |
| GB827028A (en) * | 1957-07-04 | 1960-02-03 | Lodge Cottrell Ltd | Improvements in or relating to electrostatic precipitators |
| FI56776C (en) * | 1977-06-02 | 1980-04-10 | Arvi Artama | ELEKTROSTATISK STOFTAVSKILJARE |
| JPS60132660A (en) * | 1983-12-20 | 1985-07-15 | Matsushita Electric Works Ltd | Air purifier |
| CN2142746Y (en) * | 1991-04-24 | 1993-09-29 | 张连有 | Electrostatic air purifier |
| CN2226723Y (en) * | 1995-06-02 | 1996-05-08 | 陈平安 | Window type humidification filter cold air machine |
| JPH09253526A (en) * | 1996-03-21 | 1997-09-30 | Funai Electric Co Ltd | Air purifier |
| JP2011088035A (en) * | 2009-10-20 | 2011-05-06 | Daikin Industries Ltd | Air cleaner |
| CN101865148A (en) * | 2010-06-13 | 2010-10-20 | 上海市闵行第二中学 | Device capable of removing static electricity from fan |
| CN103878068B (en) * | 2014-03-19 | 2017-06-09 | 中国科学院过程工程研究所 | A kind of half wet electrostatic dedusting purifier |
| CN104874482B (en) * | 2015-06-09 | 2017-04-12 | 江苏海迅实业集团股份有限公司 | Computer dual-fan heat radiation dust remover |
| CN205361652U (en) * | 2016-02-21 | 2016-07-06 | 重庆科技学院 | Electrostatic dust collector rubs |
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2016
- 2016-02-21 CN CN201610093531.9A patent/CN105498970B/en not_active Expired - Fee Related
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