CN103752411A - Dust collecting module and electrostatic air cleaning apparatus - Google Patents

Dust collecting module and electrostatic air cleaning apparatus Download PDF

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Publication number
CN103752411A
CN103752411A CN201310640601.4A CN201310640601A CN103752411A CN 103752411 A CN103752411 A CN 103752411A CN 201310640601 A CN201310640601 A CN 201310640601A CN 103752411 A CN103752411 A CN 103752411A
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conductive membrane
insulation board
collection module
dust collection
air
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CN201310640601.4A
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Inventor
刘迎建
丁科
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Hanwang Technology Co Ltd
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Hanwang Technology Co Ltd
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Abstract

The invention provides a dust collecting module. The dust collecting module (200) is used to collect electric particles in gas, and at least comprises conductive thin films and insulated panels (3) which are arranged alternately, so that channels (4) allowing air to pass are formed by the insulated panels (3) and adjacent conductive thin films. The invention also provides an electrostatic air cleaning apparatus, and the apparatus comprises the dust collecting module (200). The provided dust collecting module and the electrostatic air cleaning apparatus help to substantially improve the air cleaning efficiency; especially the dust collecting module generates little ozone or none, is capable of fully eliminating flip-flop noise caused by breakdown of air, and almost does not have overflowing of positive ions; and the manufacturing is convenient and the cost is relatively low.

Description

Dust collection module and electrostatic air cleaning device
Technical field
The present invention relates to electrostatic precipitator technology, relate in particular to a kind of dust collection module and the electrostatic air cleaning device of applying this dust collection module.
Background technology
Along with the propelling of process of industrialization, more and more serious atmosphere pollution, the physical and mental health that is constantly threatening the common people, market is in the urgent need to the effective air purifier of remove particulate matter for this reason.Conventional air purifier mostly is and filters class clarifier and electrostatic precipitation class clarifier at present.
Filtering class clarifier is to utilize blower fan by air suction clarifier, then by built-in screen pack filtered air.This filter net type air purifier generally adopts HEPA filter screen to carry out the particle in absorbed air.Yet, after the time length that this clarifier uses, screen pack can be assembled some dusts, mouldy the becoming mildewed of screen pack meeting under wet environment, and then develop into malicious source, when air process screen pack, noxious material can be taken out of from machine, so not only can not be played the effect that purifies air and can produce secondary pollution on the contrary, so filter the screen pack of class clarifier, can not use for a long time, need often to change, and in HEPA filter screen cost compare is high efficiently.
Traditional civilian electrostatic precipitation class clarifier, is comprised of multi-disc metal polar plate, and piece of metal pole plate connects high voltage, and the metal polar plate being adjacent connects low-voltage or ground connection, utilizes the particle in the electrostatic field absorbed air between adjacent two metal polar plates.Its cardinal principle is by high-voltage charging electrode, to be captured electronics while containing particle gas through high-voltage electrostatic field, after particle is combined with cation and is become positively charged, and trend cathode surface electric discharge precipitation, thus reach the effect of removing particulate in air.But there is following shortcoming in traditional civilian electrostatic precipitation class clarifier:
1) negative electrode of adsorption particle thing is used metal polar plate, and cost compare is high, complex manufacturing, and heavier;
2), because metal polar plate is exposed in air, air between two metal polar plates is easily breakdown and produce ozone, and puncture at every turn can with " crack " noise, environment is had to interference; If air humidity increases, very easily produce corona phenomenon, can produce more ozone again.
3) for reduce the breakdown occurrence probability of air between metallic plate as far as possible, generally can strengthen the distance (being generally greater than 5mm) between adjacent metal pole plate or reduce potential difference, a little less than so just causing electric-field intensity, metal polar plate cannot once all adsorb charged particle, and primary purification efficiency is very low.In addition, positively charged particle can overflow with the wind, runs up to certain density cation environment harmful.
4) after metal polar plate absorption dust granule, because the combination of dust and metal is tightr, cause the cleaning of metal polar plate more difficult.
Summary of the invention
The present invention is in view of above problem, a kind of dust collection module is provided and applied the electrostatic air cleaning device of this dust collection module, and its purification efficiency is high, and ozone amount does not seldom even have, and air can be not breakdown yet, and easily manufactured, cost is lower.
Dust collection module provided by the invention, for collecting the charged particle thing of gas, described dust collection module (200) at least comprises conductive membrane and insulation board (3), described conductive membrane and insulation board (3) are alternately arranged, and make the conductive membrane that insulation board (3) is adjacent form the passage (4) that allows air to pass through.Described conductive membrane comprises the first conductive membrane (1) and the second conductive membrane (2), the below of described the first conductive membrane (1) and the second conductive membrane (2) arranges respectively insulation board (3), between described the first conductive membrane (1) and the second conductive membrane (2), has potential difference.
The present invention also provides a kind of air cleaning unit, for the air entering by air inlet (5) is purified, and the air after purification is discharged by air outlet (6), it comprises: dust collection module (200), described dust collection module (200) at least comprises conductive membrane and insulation board (3), described conductive membrane and insulation board (3) are alternately arranged, and make the conductive membrane that insulation board (3) is adjacent form the passage (4) that allows air to pass through.Described conductive membrane comprises the first conductive membrane (1) and the second conductive membrane (2), the below of described the first conductive membrane (1) and the second conductive membrane (2) arranges respectively insulation board (3), between described the first conductive membrane (1) and the second conductive membrane (2), has potential difference.
Dust collection module provided by the invention is alternately arranged and is formed by conductive membrane and insulation board, possesses the intensive control of dust electric field of closely spaced multilayer, and, between every layer of insulation board conductive membrane adjacent with its below, all form the passage that allows air to pass through.Airborne charged particle thing when the passage, the intensive electric field of closely spaced multilayer compared with the effect of highfield power under, connect the dust collecting electrode quick adsorption of electronegative potential or ground connection, greatly improved the primary purification rate of air, almost there is no the generation of ozone yet.In addition, use the insulation board that is stained with conductive membrane to replace metallic plate, both effectively reduced costs, alleviate the weight of dust collection module, can, under the situation of constancy of volume that keeps dust collection module, correspondingly increase quantity and the intensity of control of dust electric field again.And insulation board separates and connects high potential conductive membrane and connect electronegative potential or ground connection conductive membrane, the spacing of two conductive membranes shortens greatly, can be not breakdown through the air of passage yet, eliminated crack the noise producing because air is breakdown completely.And, even if air humidity increases, do not have corona phenomenon yet, thereby can not produce ozone.
Electrostatic air cleaning device provided by the invention, comprise the dust collection module of alternately arranging and forming by conductive membrane and insulation board, this dust collection module possesses the intensive control of dust electric field of closely spaced multilayer, and, between the conductive membrane that every layer of insulation board is adjacent, all form the passage that allows air to pass through.The dust collection module control of dust electric-field intensity of this electrostatic air cleaning device is large, very easily adsorbs charged particle, very high to the primary purification rate of air.And, low cost of manufacture, lightweight.
In addition, those skilled in the art generally believe, if separate double layer of metal plate by insulation material, will inevitably cause the weakened even disappearance of electric field producing between metallic plate, yet the present invention, by a large amount of tests and theoretical calculating, has overcome this technology prejudice that those skilled in the art exist.The present invention separates two-layer conductive membrane with insulation board, not only do not weaken electric field, make on the contrary the Distance Shortened between conductive membrane, greatly strengthened the electric-field intensity between conductive membrane, produced the unforeseeable technique effect of those skilled in the art.
Accompanying drawing explanation
Fig. 1 is the structural representation of dust collection module provided by the invention;
Fig. 2 is the cross-sectional schematic of electrostatic air cleaning device provided by the invention;
Fig. 3 is the overall schematic of electrostatic air cleaning device provided by the invention.
Description of reference numerals:
1 is the first conductive membrane, and 2 is the second conductive membrane, and 3 is insulation board, and 4 is passage, and 5 is air inlet, and 6 is air outlet, and 7 is bracing frame, and 8 is air intake wind direction.
100 is air cleaning unit, and 200 is dust collection module.
The specific embodiment
For making those skilled in the art understand better technical scheme of the present invention, below in conjunction with the drawings and specific embodiments, dust collection module provided by the invention and electrostatic air cleaning device are described in detail.In these accompanying drawings, for identical or suitable inscape, mark same numeral.Below be only the preferred forms of dust collection module of the present invention and electrostatic air cleaning device, the present invention is not limited in following structure.
As shown in Figure 1, the dust collection module 200 of present embodiment, dust collection module 200 comprises conductive membrane and insulation board, conductive membrane and insulation board are alternately arranged, the spaced apart conductive membrane of insulation board, forms the passage that allows air to pass through between the conductive membrane that insulation board is adjacent.Consult Fig. 1, the first conductive membrane 1, insulation board 3, the second conductive membrane 2, insulation board 3 are arranged in turn, the first conductive membrane 1 and the second conductive membrane 2 parallel arrangements, insulation board 3 is arranged between conductive membrane 1 and conductive membrane 2, and insulation board 3 respectively and between first conductive membrane 1, the second conductive membrane 2 of its below, form the passage 4 that allows air to pass through.Air intake wind direction 8 represents that air flows in the direction.
There is potential difference in the first conductive membrane 1 and the second conductive membrane 2, preferably, the first conductive membrane 1 connects electronegative potential or ground connection, and the second conductive membrane 2 connects high potential, can apply positive high voltage, thereby form electric field between the first conductive membrane 1 and the second conductive membrane 2.The first conductive membrane 1 is dust collecting electrode, and the second conductive membrane 2 is high-pressure stage.Air is by passage 4, and under electric field force effect, most of airborne charged particle thing is attracted to dust collecting electrode, and fraction is attracted to high-pressure stage.Insulation board 3 separates the first conductive membrane 1 and the second conductive membrane 2, can effectively avoid under high pressure breakdown by the air of passage 4.
In present embodiment, because insulation board 3 separates two conductive membranes, the distance between the first conductive membrane 1 and the second conductive membrane 2 is shortened greatly compared to distance more than 5.5mm between two metal polar plates of traditional electrostatic precipitator.Therefore, the dust collection module 200 of alternately being arranged in turn and being formed by a plurality of conductive membranes, insulation board 3, possesses the inferior array control of dust electric field of small-spacing multilayer.Due to the electric-field intensity producing between electric charge, with square being inversely proportional to of distance, after the hypotelorism of conductive membrane, the electric-field intensity forming between conductive membrane will greatly be strengthened, and electric field force also strengthens thereupon, thereby just very easily adsorbs charged particle.
For the distance between conductive membrane, preferably, the distance range between the first conductive membrane 1 and the second conductive membrane 2 is 0.25-4.5mm, as: 0.25mm, 0.6mm, 1.0mm, 1.5mm, 2.0mm, 3.0mm, 4.0mm, 4.5mm.The thickness of insulation board 3 is between 0.05-1.5mm, as 0.05mm, 0.1mm, 0.5mm, 0.8mm, 1.0mm, 1.5mm.The first conductive membrane 1 of insulation board 3 and its below or the distance range between the second conductive membrane 2 are 0.2-3mm, and distance is preferably 0.2mm, 0.5mm, 1.0mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm.Between the first conductive membrane 1 and the second conductive membrane 2, shorter distance is arranged so that a plurality of conductive membranes and the common highdensity control of dust electric field of the little spacing array that forms of insulation board, has improved the primary purification rate of air cleaning.Primary purification rate herein refers to that air passes through after passage, and the quantity of the charged particle of the disposable absorption of dust collecting electrode accounts for the ratio of total charged ash particle thing quantity.
Conductive membrane is made by conductive material or semi-conducting material, comprises film, sheet material, sheet material that conductive material or semi-conducting material are made.The conductive membrane of the present embodiment also comprises film, sheet material, the sheet material that the various materials between insulating materials and conductive material are made.Ground connection or connect carbon slurry, the silver slurry that the first conductive membrane 1 of electronegative potential is the metal formings such as steel, iron, aluminium, copper or sheet metal, carbon cloth or coating.The carbon slurry that the second conductive membrane 2 that connects high potential is the metal formings such as steel, iron, aluminium, copper or sheet metal, carbon cloth or coating, silver slurry.Insulation board 3 is made by insulating materials such as polypropylene, polyethylene or its copolymer, PET, PVC, PTFE, Merlon or glass mats, and insulation board 3 weight ratio metallic plates are light, can reduce the weight of the dust collection module that the present embodiment provides.The upper surface of insulation board 3 is pasted or be coated in to the first conductive membrane 1 and the second conductive membrane 2.The present embodiment adopts conductive membrane, and when the width of dust collection module 200 is constant, increase the layout quantity of conductive membrane, the corresponding electric field that increases conductive membrane formation, make dust collection module 200 form more multi-layered control of dust electric field, fully increase the contact area of charged particle thing and control of dust electric field, and then improve charged ash particle thing by the primary purification rate of control of dust electric field.
As an experiment, the conductive membrane width of dust collection module 200 is 150mm, the spacing of the first conductive membrane 1 and the second conductive membrane 2 is 2mm (insulation board 3 thickness is 0.5mm), and insulation board 3 is 1.5mm with the first conductive membrane 1 of its below or the spacing of the second conductive membrane 2.Under identical experiment condition, as: 1.5mm 3airtight glass room between, the PM2.5 value of air is 50 μ g/m 3, relatively use the conventional electrostatic dust arrester of all-metal plate and the dust collection module of the present embodiment, to illustrate that primary air purification efficiency and the more traditional dust arrester of ozone generating amount of the present embodiment significantly improved, refer to following table one:
Table one
Figure DEST_PATH_GDA0000459082760000061
In another pressure experiment, the smog producing by smoke-purifying aerosol bomb, illustrates that the dust collection module purification efficiency of the present embodiment is considerably beyond traditional electrostatic precipitator.This experiment condition is: 1) space: 1.5mm 3airtight glass room between; 2) air quality: the PM2.5 value that the burning of 1 aerosol bomb produces is 1100 μ g/m 3.Experimental result is as follows:
Table two
Figure DEST_PATH_GDA0000459082760000062
The air purification effect of the control of dust electric field of verifying the present embodiment with an experiment again under the condition of identical wind speed, different conductive membrane width, air outlet speed is less, and conductive membrane is wider, and air purification effect is better, as shown in following table three:
Table three
Figure DEST_PATH_GDA0000459082760000063
Figure DEST_PATH_GDA0000459082760000071
In conjunction with Fig. 2 and Fig. 3, electrostatic air cleaning device provided by the invention is described.This electrostatic air cleaning device 100, comprise the dust collection module 200 shown in Fig. 1, air enters from air inlet 5, air inlet 5 places are provided with charged module (not shown), under the fan effect at air outlet 6 places, the bottom-up dust collection module 200 that flows through of air, the air by dust collection module 200 is cleaned from air outlet 6 and flows out.
Dust collection module 200 is alternately arranged and is formed in turn by conductive membrane and insulation board, formation possesses the intensive control of dust electric field of closely spaced multilayer, between each insulation board and its adjacent conductive membrane in below, form the passage that allows Air Flow, the first conductive membrane ground connection or connect electronegative potential, the second conductive membrane connects high potential.The first conductive membrane 1 is by earthing pole terminals 10 ground connection, and the second conductive membrane 2(is referring to Fig. 1) by high-voltage terminal 20, connect high voltage source.The first conductive membrane 1 and the second conductive membrane 2 parallel arrangements, arrange bracing frame 7 perpendicular to the first conductive membrane 1 and the second conductive membrane 2 intervals.Bracing frame 7, in order to support conductive membrane, reduces the deformation of conductive membrane as far as possible.
The voltage of high voltage source is at 3000-10000 volt.Connect after high pressure, because the spacing of earthing pole and high-pressure stage is very little, between earthing pole and high-pressure stage, produce very strong electric field.Under powerful electric field force effect, airborne charged particle thing is easy to be attracted on earthing pole, has greatly improved the primary purification rate purifying air.And although the voltage that the high-pressure stage that the second conductive membrane 2 forms connects is higher, because there is insulation board to separate between conductive membrane, output current is minimum, therefore the load of high voltage package is very little, has reduced the cost of system.
Dust collection module provided by the invention and electrostatic air cleaning device, with the insulation board that is stained with conductive membrane, replace traditional metallic plate or sheet metal, formation spacing is little, the intensive control of dust electric field of multilayer, make charged particle thing almost all by quick adsorption, the primary purification rate that has greatly improved dust collection module and applied the air cleaning unit of this dust collection module, and production technology is simple, greatly reduce air cleaning cost.In addition, dust collection module provided by the invention and electrostatic air cleaning device, the scope of application is extremely extensive, the place such as can be applicable in family, office, building, motor vehicle and outdoor.
As variation, the present invention improves dust collection module, and dust collection module at least comprises electrically conductive plate and the insulation film of alternately arranging, and forms the passage that allows air to pass through between the electrically conductive plate that insulation film is adjacent.It is identical that the material of electrically conductive plate and insulation film, operation principle and above embodiment describe, and do not repeat them here.
Above embodiment is only used to principle of the present invention is described and the illustrative embodiments that adopts, yet the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement.These modification and improvement are also considered as guard interval of the present invention.

Claims (10)

1. a dust collection module, for collecting the charged particle thing of gas, it is characterized in that, described dust collection module (200) at least comprises conductive membrane and insulation board (3), described conductive membrane and insulation board (3) are alternately arranged, and make the conductive membrane that insulation board (3) is adjacent form the passage (4) that allows air to pass through.
2. dust collection module as claimed in claim 1, it is characterized in that, described conductive membrane comprises the first conductive membrane (1) and the second conductive membrane (2), the below of described the first conductive membrane (1) and the second conductive membrane (2) arranges respectively insulation board (3), between described the first conductive membrane (1) and the second conductive membrane (2), has potential difference.
3. dust collection module as claimed in claim 2, is characterized in that, described the first conductive membrane (1) connects electronegative potential or ground connection forms dust collecting electrode, and described the second conductive membrane (2) connects high potential and forms high-pressure stage.
4. dust collection module as claimed in claim 3, it is characterized in that, described insulation board (3) is close to the first conductive membrane (1) setting, and makes to form the passage (4) that allows air to pass through between described insulation board (3) and second conductive membrane (2) of its below.
5. dust collection module as claimed in claim 3, it is characterized in that, described insulation board (3) is close to the second conductive membrane (2) setting, and makes to form the passage (4) that allows air to pass through between described insulation board (3) and first conductive membrane (1) of its below.
6. the dust collection module as described in claim 2-5 any one, is characterized in that, the distance range between described insulation board (3) and the conductive membrane of its below is 0.2-3.0mm.
7. dust collection module as claimed in claim 6, is characterized in that, the thickness of described insulation board (3) is 0.05-1.5mm.
8. dust collection module as claimed in claim 7, is characterized in that, the upper surface of described insulation board (3) is pasted or be coated in to described the first conductive membrane (1) and the second conductive membrane (2).
9. dust collection module as claimed in claim 7, is characterized in that, described the first conductive membrane (1) and the second conductive membrane (2) parallel arrangement.
10. an electrostatic air cleaning device, for the air entering by air inlet (5) is purified, and makes the air after purification discharge by air outlet (6), it is characterized in that, comprises the dust collection module (200) of claim 1-9 any one.
CN201310640601.4A 2013-12-04 2013-12-04 Dust collecting module and electrostatic air cleaning apparatus Pending CN103752411A (en)

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Cited By (11)

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CN104492600A (en) * 2014-12-17 2015-04-08 浙江金海环境技术股份有限公司 Electrostatic dust-removing device, manufacturing method and application thereof
CN104492219A (en) * 2015-01-04 2015-04-08 中国石油大学(华东) Haze removal device and haze removal method
CN105413862A (en) * 2015-11-20 2016-03-23 成都迅德科技有限公司 Electrostatic dust collector
CN105855060A (en) * 2016-06-06 2016-08-17 龚治俊 Air purifying device free of maintenance for long time
CN106925430A (en) * 2015-12-29 2017-07-07 汉王科技股份有限公司 Electrostatic air cleaner
CN106925427A (en) * 2015-12-29 2017-07-07 汉王科技股份有限公司 Electrostatic air cleaner
CN106925428A (en) * 2015-12-29 2017-07-07 汉王科技股份有限公司 Electrostatic air cleaner
CN107413526A (en) * 2017-05-24 2017-12-01 镇江汉邦科技有限公司 Air purifier
CN107855220A (en) * 2017-11-16 2018-03-30 江门市信通通信工程有限公司 A kind of dust arrester suitable for computer room
CN109806976A (en) * 2019-02-20 2019-05-28 张芳伟 Eliminate method, style electrode and the electrostatic dust collection equipment of electrostatic dust collection equipment noise
CN112088047A (en) * 2018-04-18 2020-12-15 欧洛斯空气技术股份公司 High resistivity electrode element for two-stage electrofilter

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JP2007196152A (en) * 2006-01-27 2007-08-09 Matsushita Electric Ind Co Ltd Dust collecting filter, dust collector and air conditioner
CN202366788U (en) * 2011-08-29 2012-08-08 漳州万利达生活电器有限公司 Electrostatic dedusting device

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CN202366788U (en) * 2011-08-29 2012-08-08 漳州万利达生活电器有限公司 Electrostatic dedusting device

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104492600A (en) * 2014-12-17 2015-04-08 浙江金海环境技术股份有限公司 Electrostatic dust-removing device, manufacturing method and application thereof
CN104492219A (en) * 2015-01-04 2015-04-08 中国石油大学(华东) Haze removal device and haze removal method
CN104492219B (en) * 2015-01-04 2016-04-06 中国石油大学(华东) A kind of except haze apparatus and method
CN105413862A (en) * 2015-11-20 2016-03-23 成都迅德科技有限公司 Electrostatic dust collector
CN106925430A (en) * 2015-12-29 2017-07-07 汉王科技股份有限公司 Electrostatic air cleaner
CN106925427A (en) * 2015-12-29 2017-07-07 汉王科技股份有限公司 Electrostatic air cleaner
CN106925428A (en) * 2015-12-29 2017-07-07 汉王科技股份有限公司 Electrostatic air cleaner
CN105855060B (en) * 2016-06-06 2017-12-29 龚治俊 A kind of non-maintaining air cleaning unit of long-time
CN105855060A (en) * 2016-06-06 2016-08-17 龚治俊 Air purifying device free of maintenance for long time
CN107413526A (en) * 2017-05-24 2017-12-01 镇江汉邦科技有限公司 Air purifier
CN107855220A (en) * 2017-11-16 2018-03-30 江门市信通通信工程有限公司 A kind of dust arrester suitable for computer room
CN112088047A (en) * 2018-04-18 2020-12-15 欧洛斯空气技术股份公司 High resistivity electrode element for two-stage electrofilter
US20210154680A1 (en) * 2018-04-18 2021-05-27 Eurus Airtech Ab Electrode elements of high resistivity for two-step electrofilter
EP3781323A4 (en) * 2018-04-18 2022-01-05 Eurus Airtech AB Electrode elements of high resistivity for two-step electrofilter
CN112088047B (en) * 2018-04-18 2023-02-17 欧洛斯空气技术股份公司 High resistivity electrode element for two-stage electrofilter
US11813617B2 (en) * 2018-04-18 2023-11-14 Lightair Holding Ab Electrode elements of high resistivity for two-step electrofilter
CN109806976A (en) * 2019-02-20 2019-05-28 张芳伟 Eliminate method, style electrode and the electrostatic dust collection equipment of electrostatic dust collection equipment noise
CN109806976B (en) * 2019-02-20 2021-04-09 张芳伟 Method for eliminating noise of electrostatic dust collection equipment, style electrode and electrostatic dust collection equipment

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Application publication date: 20140430