CN205253367U

CN205253367U - Electrostatic air cleaner

Info

Publication number: CN205253367U
Application number: CN201521109426.7U
Authority: CN
Inventors: 刘迎建; 李治国
Original assignee: Hanwang Technology Co Ltd
Current assignee: Hanwang Technology Co Ltd
Priority date: 2015-12-29
Filing date: 2015-12-29
Publication date: 2016-05-25
Anticipated expiration: 2025-12-29

Abstract

The utility model provides an electrostatic air cleaner, include: carry on one's shoulder or back electric cavity (10), it has air inlet (50) that are used for flowing in the air, carry on one's shoulder or back electric module (30), it sets up carry on one's shoulder or back in electric cavity (10) for solid particle thing negative electrification in messenger's air, and dust collection chamber (20), its with carry on one's shoulder or back electric cavity (10) intercommunication be provided with dust collection unit (200) in dust collection chamber (20), wherein, dust collection unit (200) include: a plurality of collecting plates (1), with a plurality of high -voltage switch boards, a plurality of collecting plates (1) and a plurality of high -voltage switch board staggered arrangement, it is adjacent collecting plate (1) and high -voltage switch board interval regulation distance forms the dust removal electric field, wherein, the high -voltage switch board is including electrically conducting polar plate (3) and being located insulation board (2) of electrically conductive polar plate (3) both sides.

Description

Electrostatic air cleaner

Technical field

The utility model relates to air purifier, relates in particular to a kind of electrostatic air cleaner.

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. But, after the time length that this clarifier uses, screen pack can be assembled some dusts, under wet environment, screen pack can mouldyly become mildewed, and then develops into malicious source, in the time of air process screen pack, noxious material can be taken out of from machine, so not only can not play the effect that purifies air and can produce on the contrary secondary pollution, can not use for a long time so filter the screen pack of class clarifier, need to often change. And in efficiently HEPA filter screen cost compare is high, windage is larger. In addition, HEPA filter screen must use centrifugal blower, and power and noise are all larger.

Traditional electrostatic precipitation class clarifier is made up 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 to be captured electronics by high-voltage charging electrode 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 electrostatic precipitation class clarifier:

1) easily breakdown and produce ozone between two adjacent metal polar plates.

2) for reduce the breakdown occurrence probability of air between metal polar plate as far as possible, generally can strengthen the distance (being generally greater than 5mm) between adjacent metal pole plate or reduce potential difference (being less than 5000V), a little less than so just causing electric-field intensity, metal polar plate cannot once all adsorb charged particle, primary purification Efficiency Decreasing. In addition, positively charged particle can overflow with the wind, runs up to certain density cation environment harmful.

Summary of the invention

The utility model, in view of above problem, provides a kind of electrostatic air cleaner, for dedusting and purifying air, is improving purification efficiency, when minimizing positively charged particle overflows, can also prevent the generation of the breakdown minimizing ozone of battery lead plate.

The utility model provides a kind of electrostatic air cleaner, comprising: charged chamber, and it has the air inlet for flowing into air; Charged module, it is arranged in described charged chamber, for making air solid particulate matter electronegative; With dedusting chamber, it is communicated with described charged chamber, in described dedusting chamber, is provided with collecting unit of dust; Wherein, described collecting unit of dust comprises: multiple collecting plates; With multiple hardboards; Described multiple collecting plate and described multiple hardboard are staggered; Adjacent described collecting plate and described hardboard interval predetermined distance, form dedusting electric field; Wherein, described hardboard comprises conductive plate and the insulation board that is positioned at described conductive plate both sides.

Preferably, the coated described conductive plate of described insulation board.

Preferably, described conductive plate is positioned in the border of described insulation board, and the region that the periphery of described insulation board does not clip described conductive plate is bonding by insulating cement.

Preferably, described conductive plate is conductive carbon pulpboard, and described insulation board is insulated plastic flitch.

Preferably, at least one in described dielectric panel has breach, and described conductive carbon pulpboard has lead division, and described lead division is connected to high-voltage power supply by described breach.

Preferably, described collecting plate comprises aluminium alloy plate.

Preferably, the thickness of described aluminium alloy plate is 0.5mm.

Preferably, on sidewall of described charged chamber, be provided with multiple described air inlets.

Preferably, be provided with the gas outlet of flowing out for air at the top of described dedusting chamber, in described gas outlet, place is provided with axial flow blower, be used for driving air to flow into described charged chamber from described air inlet, and flow through successively described charged module and described dedusting chamber, the air purifying through described dedusting chamber flows out from described gas outlet.

The electrostatic air cleaner that the utility model provides, owing to adopting the structure of the coated conductive plate of insulation board as hardboard, can not produce leaky, can effectively avoid breakdown between collecting plate and hardboard, effectively reduces the generation of ozone; And improve purification efficiency, reduced overflowing of positively charged particle.

Brief description of the drawings

Fig. 1 is the perspective view of the electrostatic air cleaner of the utility model embodiment;

Fig. 2 is the cutaway view of the electrostatic air cleaner of the utility model embodiment;

Fig. 3 is the structural representation of the collecting unit of dust of the utility model embodiment;

Fig. 4 is the structural representation of the hardboard of the utility model embodiment.

Detailed description of the invention

For making those skilled in the art understand better the technical solution of the utility model, electrostatic precipitator the utility model being provided below in conjunction with the drawings and specific embodiments is described in detail. In these accompanying drawings, for identical or suitable inscape, mark same numeral. Below be only the preferred forms of collecting unit of dust of the present utility model and electrostatic air cleaner, the utility model is not limited in following structure.

Fig. 1 is the perspective view of the electrostatic air cleaner of the utility model embodiment. Fig. 2 is the cutaway view of the electrostatic air cleaner of the utility model embodiment. Below in conjunction with Fig. 1 and Fig. 2, electrostatic air cleaner of the present utility model is described.

As depicted in figs. 1 and 2, the electrostatic air cleaner 100 of present embodiment comprises the charged chamber 10 and the dedusting chamber 20 that set gradually from bottom to top, and charged chamber 10 and dedusting chamber 20 are communicated with. On the sidewall of charged chamber 10, be provided with air inlet 50, be provided with gas outlet 60 at the top of dedusting chamber 20, and at 60 places, gas outlet, axial flow blower is installed. As shown by the arrows in Figure 2, under axial flow blower drives, air flows in charged chamber 10 from air inlet 50, at the interior airborne solid particulate matter of charged chamber 10 by charged, then upwards flow in dedusting chamber 20, solid particulate matter charged in the interior air of dedusting chamber 20 is adsorbed on collecting plate under electric field action, and the air after purification upwards flows and flows out from gas outlet 60.

In the present embodiment, alternatively, as shown in Figure 1, multiple air inlets 50 are set on the sidewall of charged chamber 10, air enters in charged chamber 10 by air inlet 50. In charged chamber 10, be provided with charged module, in the time that air enters charged chamber 10 from air inlet 50, airborne solid particulate matter or dust are electronegative under charged module effect. Particularly, charged module connects negative high voltage, under negative high voltage effect, air molecule is obtained by oxygen because ionizing the free electron major part producing, produced a large amount of negative oxygen ions, negative oxygen ion is combined and has been formed electronegative particle with airborne particle, and has produced a small amount of ozone.

The course of action of the electrostatic air cleaner that present embodiment provides is as follows:

First start electrostatic air cleaner of the present utility model, now the conductive plate of the axial flow blower of electrostatic air cleaner, charged module, collecting plate and hardboard is all switched on. Air is under axial flow blower effect, successively by the modules of electrostatic air cleaner. Particularly, first, air enters in charged chamber 10 from the air inlet 50 of charged chamber 10 sides. Then under the interior charged module effect of charged chamber 10, airborne solid particulate matter is combined by charged with electronegative particle. These charged solid particulate matters upwards flow in dedusting chamber 20 with air, interior upwards mobile along gas channel 4 at dedusting chamber 20. In air, electronegative solid particulate matter is adsorbed on collecting plate under electric field action, has realized air cleaning, and the air after purification upwards flows and discharges from gas outlet 60.

In the present embodiment, in dedusting chamber 20, be provided with collecting unit of dust 200. Below with reference to Fig. 3 and Fig. 4, collecting unit of dust 200 is described.

Fig. 3 is the structural representation of the collecting unit of dust of the utility model embodiment.

As Fig. 3 shows, in the present embodiment, collecting unit of dust 200 comprises: multiple collecting plates 1; With multiple hardboards; Multiple collecting plates 1 and multiple hardboard are staggered; Adjacent collecting plate 1 and hardboard interval predetermined distance, form dedusting electric field; Wherein, hardboard comprises conductive plate 3 and the insulation board 2 that is positioned at conductive plate 3 both sides.

As shown in Figure 4, hardboard comprises the conductive carbon pulpboard 3 of formation (for example silk-screen) on dielectric panel 2, within conductive carbon pulpboard 3 is formed on the border of dielectric panel 2, application of adhesive between the border of the border of conductive carbon pulpboard 3 and dielectric panel 2, bonding with another dielectric panel 2, can prevent that the situation of high pressure electric leakage sparking from occurring.

Dielectric panel 2 has breach 21 in its edge. Conductive carbon pulpboard 3 has lead division 31. Lead division 31 is connected to high-voltage power supply (not shown) by breach 21.

In the present embodiment, the plastics of dielectric panel 2 for being made by macromolecular material, being specially the insulating materials such as polypropylene, polyethylene or its copolymer, PET, PVC or glass mat makes, insulation board 2 weight ratio metallic plates are light, in the weight of the collecting unit of dust 200 that can provide in reduction present embodiment, effectively reduce costs. The insulation board of being made up of pcb board compared to existing technology, cost is low, is easy to manufacture. In addition, in process, the insulating properties of the plastic insulation plate of same thickness is better than PCB.

Although in the present embodiment, conductive plate 3 adopts conductive carbon pulpboard, but is not limited to this, such as also adopting conductive membrane, conductive membrane is made up of 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 present embodiment also comprises film, sheet material, the sheet material that the various materials between insulating materials and conductive material are made, such as the silver slurry of the metal formings such as steel, iron, aluminium, copper or sheet metal, carbon cloth or coating.

In addition, due under high electric field environment, ozone molecule movement velocity is very fast, and collision probability increases mutually, and ozone molecule easily, in conjunction with forming oxygen molecule, plays the object of ozone decomposition equally.

Further, the insulation board of the collecting unit of dust 200 that the utility model provides is plastics, and conductive carbon paste is carbon dust hybrid resin, makes by macromolecular material. Even if dirt is more on collecting plate 1, be also difficult to occur leaky. In addition, insulation board possesses insulation characterisitic, and oxidation reaction can not occur conductive carbon paste contact water, and based on these characteristics, the collecting plate in air purifier of the present utility model and hardboard be directly water flushing all.

In addition, due to the structure of collecting plate and the hardboard array arrangement of present embodiment, reduced air-flow by the windage in air channel, hour, present embodiment can be used axial flow blower to windage, with respect to centrifugal blower, under equal-wattage, the air quantity of axial flow blower is large, and noise is low.

Therefore, the electrostatic air cleaner that the utility model provides, because spacing between collecting plate and hardboard is very little, and on high-pressure polar plate, voltage is very high, therefore the electric field between collecting plate and hardboard is very strong, thereby improve the absorption ratio of charged solid particulate matter in air, that is, improved the purification efficiency of the utility model electrostatic air cleaner.

Further, collecting unit of dust is made up of multiple staggered collecting plates and hardboard, that is to say that collecting unit of dust is formed with multiple dedusting electric field/gas channels that are arranged in parallel, the air that flows into dedusting chamber from charged chamber is assigned to each gas channel, and in the time of the gas channel of flowing through separately, by completing dedusting in the dedusting electric field being formed in each gas channel. ; in dedusting chamber of the present utility model, be provided with multiple dedusting electric fields; and each dedusting electric field is only processed the sub-fraction of the air that flows into dedusting chamber; therefore the efficiency of dust collection of each dedusting electric field improves greatly, thereby has greatly improved the primary purification efficiency (air is only by the purifying rate after dust arrester one-time dedusting) of the utility model electrostatic air cleaner.

Above embodiment is only used to principle of the present utility model is described and the illustrative embodiments that adopts, but the utility model is not limited to this. For those skilled in the art, in the situation that not departing from spirit of the present utility model and essence, can make various modification and improvement. These modification and improvement are also considered as protection domain of the present utility model.

Claims

1. an electrostatic air cleaner, comprising:

Charged chamber (10), it has the air inlet (50) for flowing into air;

Charged module (30), it is arranged in described charged chamber (10), for making air solid particulate matter electronegative; With

Dedusting chamber (20), it is communicated with described charged chamber (10), is provided with collecting unit of dust (200) in described dedusting chamber (20); Wherein,

Described collecting unit of dust (200) comprising:

Multiple collecting plates (1); With

Multiple hardboards;

Described multiple collecting plate (1) and described multiple hardboard are staggered;

Adjacent described collecting plate (1) and described hardboard interval predetermined distance, form dedusting electric field; Wherein,

Described hardboard comprises conductive plate (3) and is positioned at the insulation board (2) of described conductive plate (3) both sides.

2. electrostatic air cleaner as claimed in claim 1, wherein, described insulation board (2) is coated described conductive plate (3).

3. electrostatic air cleaner as claimed in claim 2, wherein, described conductive plate (3) is positioned in the border of described insulation board (2), and the region that the periphery of described insulation board (2) does not clip described conductive plate (3) is bonding by insulating cement.

4. electrostatic air cleaner as claimed in claim 3, wherein, described conductive plate (3) is conductive carbon pulpboard, described insulation board (2) is insulated plastic flitch.

5. electrostatic air cleaner as claimed in claim 4, wherein, at least one in described dielectric panel has breach, and described conductive carbon pulpboard has lead division, and described lead division is connected to high-voltage power supply by described breach.

6. electrostatic air cleaner as claimed in claim 2, wherein, described collecting plate (1) comprises aluminium alloy plate.

7. electrostatic air cleaner as claimed in claim 6, wherein, the thickness of described aluminium alloy plate is 0.5mm.

8. electrostatic air cleaner as claimed in claim 1 wherein, is provided with multiple described air inlets (50) on (10) sidewalls of described charged chamber.

9. electrostatic air cleaner as claimed in claim 1, wherein, is provided with the gas outlet (60) of flowing out for air at the top of described dedusting chamber (20),

Locate to be provided with axial flow blower in described gas outlet (60), be used for driving air to flow into described charged chamber (10) from described air inlet (50), and flow through successively described charged module (30) and described dedusting chamber (20), the air purifying through described dedusting chamber (20) flows out from described gas outlet (60).