CN103894289A - Air purification method and device based on electrostatic deflection - Google Patents
Air purification method and device based on electrostatic deflection Download PDFInfo
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- CN103894289A CN103894289A CN201410154747.2A CN201410154747A CN103894289A CN 103894289 A CN103894289 A CN 103894289A CN 201410154747 A CN201410154747 A CN 201410154747A CN 103894289 A CN103894289 A CN 103894289A
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Abstract
The invention relates to an air purification method and an air purification device based on electrostatic deflection. The air purification method based on electrostatic deflection comprises the following steps: spacing a positive plate and a negative plate by a certain distance and arranging oppositely, and applying a static electric field between the positive plate and negative plate, wherein the negative plate comprises a catalytic oxidation layer; enabling air to pass through the space between the positive plate and the negative plate so as to enable electrically charged particle matter in air to be deflected to the positive plate and the negative plate in an electrostatic way; carrying out catalytic oxidation on the electrically charged particle matter which are deflected to the catalytic oxidation layer of the negative plate in an electrostatic way. The air purification method and device based on electrostatic deflection, which are provided by the invention, have the beneficial effects that air can be purified efficiently at low cost without generating harmful substances of ozone and the like, are long-acting without maintenance, and especially can effectively remove PM2.5.
Description
Technical field
The present invention relates in general to air purification method and air cleaning unit, is specifically related to air purification method and air cleaning unit based on electrostatic deflection.
Background technology
Along with increasing the weight of of haze phenomenon, in recent years the demand of air purifier (especially administering the air purifier of PM2.5) is increased day by day.Air purifier great majority are filtering types at present: deliver on filter by blower fan by air, through the filter screen of various difference in functionalitys, reach respectively the effect of the carse, medium and small particle of filtering; Further the filter screen with physics trapping and chemical breakdown function: ore deposit epitaxial, photocatalyst decompose film, HEPA film etc.
The common feature of above air purifying process is with the particle in filter membrane traps air, and in the time that the working time is long or environment is severe, grit can stop up hole very soon, and clean-up effect declines.
Also have some to adopt the method Come of high-pressure electrostatic precipitation to administer airborne particle (for example PM2.5), its efficiency is lower and can produce the harmful substances such as ozone.
Plasma or clean ion current clarifier for Abroad in Recent Years rise, can effectively remove PM2.5 but cost is high-leveled and difficult to popularize.
Therefore, hope can have a kind of method and apparatus for purifying air, and it can purify air high efficiency, low cost and not produce any harmful substance such as ozone, and long-acting non-maintaining.
Summary of the invention
An object of the present invention is the above-mentioned defect that overcomes prior art air purification method and air cleaning unit, a kind of air purification method and air cleaning unit are provided, it can purify air high efficiency, low cost and not produce any harmful substance such as ozone, and long-acting non-maintaining.
Above object of the present invention realizes by a kind of air purification method based on electrostatic deflection, and the described air purification method based on electrostatic deflection comprises:
By positive plate and negative plate positioned opposite spaced apart, and apply electrostatic field between described positive plate and described negative plate, wherein, described negative plate comprises catalytic oxidation layer;
Make air through between described positive plate and described negative plate so that in air electrically charged particle electrostatic deflection on described positive plate and described negative plate; And
Electrostatic deflection is carried out to catalytic oxidation to the positively charged particle on the catalytic oxidation layer of described negative plate.
According to technique scheme, air purification method based on electrostatic deflection of the present invention can play following useful technique effect: can high efficiency, low cost purify air and not produce any harmful substance such as ozone, and long-acting non-maintaining, especially can effectively remove PM2.5.
Preferably, described catalytic oxidation layer comprises palladium.
According to technique scheme, the air purification method based on electrostatic deflection of the present invention can play following useful technique effect: can at lower temperature, carry out catalytic oxidation, further reduce cost.
Preferably, described positive plate comprises conductive layer, and the described air purification method based on electrostatic deflection also comprises electrostatic deflection is adsorbed to the particles thing on the conductive layer of described positive plate.
According to technique scheme, the air purification method based on electrostatic deflection of the present invention can play following useful technique effect: can remove particles thing in air in high efficiency, low cost ground.
Preferably, the described air purification method based on electrostatic deflection also comprises described negative plate is heated or described negative plate and described positive plate are heated.
According to technique scheme, the air purification method based on electrostatic deflection of the present invention can play following useful technique effect: can further strengthen and remove positively charged particle or the effect with positive and negative charge particle and efficiency in air.
Preferably, described negative plate is heated or described negative plate and described positive plate are heated in the following manner and realized: need the pole plate of heating to comprise heat-conducting layer, heater is connected to described heat-conducting layer.
According to technique scheme, air purification method based on electrostatic deflection of the present invention can play following useful technique effect: can realize pole plate heating with simple and effective way, remove positively charged particle or the effect with positive and negative charge particle and efficiency in air thereby further strengthen.
Preferably, described positive plate and described negative plate all comprise rigid support layer.
According to technique scheme, the air purification method based on electrostatic deflection of the present invention can play following useful technique effect: can carry out rigid support effectively to catalytic oxidation layer or conductive layer, be conducive to strengthen air purification effect.
Preferably, the electric-field intensity of described electrostatic field is 6kV/m to 600kV/m.
According to technique scheme, air purification method based on electrostatic deflection of the present invention can play following useful technique effect: can effectively produce the electrostatic field that makes electrically charged particle electrostatic deflection in air, and can directly tear four peptide chains of microorganism in PM2.5, make it apoptosis, realize sterilization effect.
Preferably, the described air purification method based on electrostatic deflection also comprises: introduce respectively air water reactor by water and through the air of electrostatic deflection and catalytic oxidation treatment, so that introduce empty G&W in described air water reactor, reach speed of related movements more than 20 meter per seconds and react in described air water reactor, thereby produce negative oxygen ion and air further purified; And will after reaction, separate with reacting water afterwards containing purifying air of negative oxygen ion, and will after reaction, be discharged into requisite space containing purifying air of negative oxygen ion.
According to technique scheme, air purification method based on electrostatic deflection of the present invention can play following useful technique effect: air is being carried out on the basis of electrostatic deflection processing, react by air water, further improve air purification effect, thereby purify air more efficiently and produce negative oxygen ion.
Preferably the speed of related movement that, the empty G&W of introducing reaches more than 20 meter per seconds in described air water reactor is realized in the following manner: be air stream impact, friction current more than 20 meter per seconds by speed.
According to technique scheme, air purification method based on electrostatic deflection of the present invention can play following useful technique effect: can realize the empty G&W of introducing with simple and effective way and reach speed of related movements more than 20 meter per seconds in described air water reactor, thereby can high efficiency, low cost ground produce a large amount of negative oxygen ions and purify air and do not produce any harmful substance such as ozone.
Preferably,, before by speed being air stream impacts more than 20 meter per seconds, the current that rub, the plate that spatters that current are arranged in described air water reactor disperses.
According to technique scheme, the air purification method based on electrostatic deflection of the present invention can play following useful technique effect: current were fully scattered before being impacted, rub by high velocity air, thereby can produce more efficiently a large amount of negative oxygen ions and purify air.
Above object of the present invention also realizes by a kind of air cleaning unit based on electrostatic deflection, and the described air cleaning unit based on electrostatic deflection comprises:
Positive plate and negative plate, described positive plate and described negative plate positioned opposite spaced apart; And
Static power supply, described static power supply is for applying electrostatic field between described positive plate and described negative plate so that through electrically charged particle electrostatic deflection in the air between described positive plate and negative plate on described positive plate and described negative plate;
Wherein, described negative plate comprises catalytic oxidation layer.
According to technique scheme, air cleaning unit based on electrostatic deflection of the present invention can play following useful technique effect: can high efficiency, low cost purify air and not produce any harmful substance such as ozone, and long-acting non-maintaining, especially can effectively remove PM2.5.
Preferably, described catalytic oxidation layer comprises palladium.
According to technique scheme, the air cleaning unit based on electrostatic deflection of the present invention can play following useful technique effect: can at lower temperature, carry out catalytic oxidation, further reduce cost.
Preferably, described positive plate comprises conductive layer.
According to technique scheme, the air cleaning unit based on electrostatic deflection of the present invention can play following useful technique effect: can remove particles thing in air in high efficiency, low cost ground.
Preferably, the described air cleaning unit based on electrostatic deflection also comprises heater, and described heater is for heating or described negative plate and described positive plate are heated described negative plate.
According to technique scheme, the air cleaning unit based on electrostatic deflection of the present invention can play following useful technique effect: can further strengthen and remove positively charged particle or the effect with positive and negative charge particle and efficiency in air.
Preferably, need the pole plate of heating to comprise heat-conducting layer, described heater is connected to described heat-conducting layer.
According to technique scheme, air cleaning unit based on electrostatic deflection of the present invention can play following useful technique effect: can realize pole plate heating with simple and effective way, remove positively charged particle or the effect with positive and negative charge particle and efficiency in air thereby further strengthen.
Preferably, described positive plate and described negative plate all comprise rigid support layer.
According to technique scheme, the air cleaning unit based on electrostatic deflection of the present invention can play following useful technique effect: can carry out rigid support effectively to catalytic oxidation layer or conductive layer, be conducive to strengthen air purification effect.
Preferably, the electric-field intensity of described electrostatic field is 6kV/m to 600kV/m.
According to technique scheme, air cleaning unit based on electrostatic deflection of the present invention can play following useful technique effect: can effectively produce the electrostatic field that makes electrically charged particle electrostatic deflection in air, and can directly tear four peptide chains of microorganism in PM2.5, make it apoptosis, realize sterilization effect.
Preferably, the described air cleaning unit based on electrostatic deflection also comprises: air water reactor, described air water reactor is for introducing respectively water and the air through electrostatic deflection and catalytic oxidation treatment, so that introduce empty G&W in described air water reactor, reach speed of related movements more than 20 meter per seconds and react in described air water reactor, thereby produce negative oxygen ion and air be cleaned; And be arranged on the moisture trap of described air water reactor downstream, described moisture trap for after will reaction containing negative oxygen ion purify air with react after water separate, and will after reaction, be discharged into requisite space containing purifying air of negative oxygen ion.
According to technique scheme, air cleaning unit based on electrostatic deflection of the present invention can play following useful technique effect: air is being carried out on the basis of electrostatic deflection processing, react by air water, further improve air purification effect, thereby purify air more efficiently and produce negative oxygen ion.
Preferably, described air water reactor comprises intake section, and described intake section is for making air stream reach speed more than 20 meter per seconds, to impact, to rub current.
According to technique scheme, air cleaning unit based on electrostatic deflection of the present invention can play following useful technique effect: can realize the empty G&W of introducing with simple and effective way and reach speed of related movements more than 20 meter per seconds in described air water reactor, thereby can high efficiency, low cost ground produce a large amount of negative oxygen ions and purify air and do not produce any harmful substance such as ozone.
Preferably, described air water reactor also comprises and spatters plate, described in spatter plate and be arranged in described air water reactor for current are dispersed being impacted by air stream, before friction.
According to technique scheme, the air cleaning unit based on electrostatic deflection of the present invention can play following useful technique effect: current were fully scattered before being impacted, rub by high velocity air, thereby can produce more efficiently a large amount of negative oxygen ions and purify air.
Accompanying drawing explanation
Fig. 1 is the air purification method based on electrostatic deflection of first embodiment of the invention and the schematic diagram of air cleaning unit (single channel is plate).
Fig. 2 is the air purification method based on electrostatic deflection of second embodiment of the invention and the schematic diagram of air cleaning unit (Multi-channel flat plate type).
Fig. 3 is the air purification method based on electrostatic deflection of third embodiment of the invention and the schematic diagram of air cleaning unit (single channel cylinder type).
Fig. 4 (a) is the diagrammatic side view of the air purification method based on electrostatic deflection and the air cleaning unit (reaction of electrostatic deflection+air water) of fourth embodiment of the invention; Fig. 4 (b) is air water reactor in the air cleaning unit based on electrostatic deflection of fourth embodiment of the invention and the diagrammatic top view of moisture trap.
Reference numerals list:
100, positive plate;
101, conductive layer;
102, heat-conducting layer;
103, rigid support layer;
200, negative plate;
201, catalytic oxidation layer;
202, heat-conducting layer;
203, rigid support layer;
401, air water reactor;
402, moisture trap;
408, sparge pipe;
410, spatter plate;
411, air inlet pipe;
412, entrance.
The specific embodiment
Below in conjunction with specific embodiments and the drawings, the invention will be further described; set forth in the following description more details so that fully understand the present invention; but the present invention obviously can implement with the multiple alternate manner that is different from this description; those skilled in the art can roughly promote, deduce according to practical situations without prejudice to intension of the present invention in the situation that, therefore should be with content constraints protection scope of the present invention of this specific embodiment.
Fig. 1-3 show according to air purification method based on electrostatic deflection of the present invention and the schematic diagram of air cleaning unit.
As Figure 1-3, the air purification method based on electrostatic deflection comprises:
By positive plate 100 and negative plate 200 positioned opposite spaced apart, and apply electrostatic field between positive plate 100 and negative plate 200, wherein, negative plate 200 comprises catalytic oxidation layer 201;
Make air through between positive plate 100 and negative plate 200 so that in air electrically charged particle electrostatic deflection on positive plate 100 and negative plate 200; And
Electrostatic deflection is carried out to catalytic oxidation to the positively charged particle on the catalytic oxidation layer 201 of negative plate 200.
Equally as Figure 1-3, the air cleaning unit based on electrostatic deflection comprises:
Static power supply (not shown), static power supply is for applying electrostatic field between positive plate 100 and negative plate 200 so that through electrically charged particle electrostatic deflection in the air between positive plate 100 and negative plate 200 on positive plate 100 and negative plate 200;
Wherein, negative plate 200 comprises catalytic oxidation layer 201.
In the composition of PM2.5, what be detrimental to health is mainly various organic carbon molecules (conventionally positively charged), and it can adsorb many poisonous, harmful, carcinogens, as formaldehyde, benzene and polycyclic aromatic hydrocarbon etc.Air purification method and air cleaning unit based on electrostatic deflection of the present invention is mainly to remove various organic carbon molecules to the improvement of PM2.5.
The present invention can safety, low cost, large flow, high efficiency, long-lasting, non-maintaining purifying air, and can effectively remove PM2.5, can be for a long time for the particle environment of high concentration, Maintenance free.
The present invention, the local heat in space has been replaced to the entirety heating to space, has saved the energy greatly, has avoided again air by superheated.
For example, catalytic oxidation layer 201 can comprise and is selected from following metal or metal oxide: palladium, platinum, nickel, copper or titanium dioxide.
Preferably, catalytic oxidation layer 201 comprises palladium.Like this, can at lower temperature (even room temperature), carry out catalytic oxidation, further reduce air purification method based on electrostatic deflection of the present invention and the cost of air cleaning unit.
Preferably, positive plate 100 comprises conductive layer 101, and the air purification method based on electrostatic deflection of the present invention also comprises electrostatic deflection is adsorbed to the particles thing on the conductive layer 101 of positive plate 100.
Air purification method based on electrostatic deflection of the present invention and air cleaning unit by positive plate 100 with negative plate 200 with the parallel positioned opposite of less spacing.Between two pole plates, apply a high direct voltage electrostatic field.Air is by the gap between two-plate, in air, (electrostatic deflection effect) under the driving of electric field force, deflects for positively charged such as various organic carbon molecules of particle (formaldehyde, benzene class etc.) and electronegative particle (as sulfate radical, nitrate anion, carbonate, chlorion etc.).The particle that electrostatic deflection occurs can gather near positive and negative pole plate.
On negative plate 200, can with mode of heating or coating catalyst mode or heating simultaneously coating catalyst in order to carry out flameless combustion or catalytic oxidation or flameless combustion and catalytic oxidation and carry out gathering near organic carbon molecule particles negative plate 200 simultaneously.
That is to say, preferably, the air purification method based on electrostatic deflection also comprise that anticathode plate 200 heats or anticathode plate 200 and positive plate 100(simultaneously) heat.More preferably, anticathode plate 200 heats or anticathode plate 200 and positive plate 100 heat in the following manner and realize: need the pole plate (negative plate 200 or negative plate 200 and positive plate 100 both) of heating to comprise heat-conducting layer 102,202, heater is connected to the heat-conducting layer 202 of negative plate 200, or heater is connected to the heat-conducting layer 102,202 of negative plate 200 and positive plate 100.For example, heater can be electric heater, that is, and and heating power supply.
On positive plate 100, can adsorb to electronegative particle harmless treatments such as (such as micropore ceramics absorption).
Preferably, positive plate 100 and negative plate 200 all comprise rigid support layer.
Preferably, the electric-field intensity of electrostatic field is 6kV/m to 600kV/m.Like this, air purification method based on electrostatic deflection of the present invention and the electrostatic field of air cleaning unit can directly be torn four peptide chains of microorganism in PM2.5, make it apoptosis, realize sterilization effect.In addition, air purification method based on electrostatic deflection of the present invention and the electrostatic field of air cleaning unit can not produce electric discharge.
More preferably, the electric-field intensity of electrostatic field is 6kV/m to 12kV/m.Due in the present invention, the Main Function of electrostatic field is to make that in air, electrically charged particle electrostatic deflection is on positive plate and negative plate, and therefore, the electrostatic field that electric-field intensity is 6kV/m to 12kV/m is enough to realize above-mentioned effect.It should be noted that electric-field intensity is that 6kV/m is above and can directly tears four peptide chains of microorganism in PM2.5 and make it the adjection that apoptosis is only electrostatic field of the present invention, therefore, electric-field intensity is without too high, 6kV/m to 12kV/m.
The first embodiment
Fig. 1 is the air purification method based on electrostatic deflection of first embodiment of the invention and the schematic diagram of air cleaning unit (single channel is plate).
This air cleaning unit primary structure is the metal enclosed casing of a flat, and casing inner lining material is for example mineral wool board and foamed ceramics composite, plays heat insulation and effect confining gas.The opposite position of tank ends has air inlet and gas outlet.In casing, there are two pole plates 100,200 to be separately fixed at the inner surface up and down of casing.Gap between two pole plates 100,200 is 10-200mm, and pole plate is of a size of 200*400mm.It should be noted that the gap between pole plate can adjust as required, and match with the electric-field intensity of electrostatic field.
The thickness of graphite linings is for example 0.1mm-5mm.The thickness of palladium layer is for example 50 microns.
The thickness of nickel dam is for example 50 microns.
For graphite linings energising, power supply is the step-down use of 220V civil power or vehicle power, and graphite linings temperature is elevated to constant 200-400 degree Celsius.Again using the palladium layer on two pole plates and nickel dam respectively as the two poles of the earth, (available 220V commercial power rectification produces the DC voltage of a 200V of access, also can produce through inversion rectification with vehicle power), form the electrostatic field of a 6-12kV/m, this electrostatic field can make in air electrically charged particle electrostatic deflection on positive plate 100 and negative plate 200.Between pole plate, do not discharge.
Air flows through between positive plate 100 and negative plate 200.
Can air-inlet grille be set at air intake place, for preventing that foreign material from entering the gap between positive plate 100 and negative plate 200.
Positively charged particle and particles thing are driven to respectively two-plate surface.
For example, after negative plate 200 heating, complete flameless combustion and catalytic oxidation to positively charged particle, it is all changed into CO
2and H
2o.
For example, the particle of the foamed ceramics layer 103 meeting adsorption band negative electrical charge of positive plate 100, makes it harmless.
In addition, the present invention is based on the air purification method of electrostatic deflection and the electrostatic field of air cleaning unit and can directly tear four peptide chains of microorganism in PM2.5, make it apoptosis, realize sterilization effect.
At 120m
3space in, air is processed once for every 20 minutes, 100L/s by the flow of pole plate, increase polar plate area or increase passage, making air-flow is 0.77s by the time of plate regions, and under the electrostatic field of 6600v/m, charged PM2.5 particle is enough to deflect, approach polar board surface region, complete processing procedure.Meanwhile, the present invention is based on the air purification method of electrostatic deflection and the electrostatic field of air cleaning unit and can directly tear four peptide chains of microorganism in PM2.5, make it apoptosis, realize sterilization effect.
The second embodiment
Fig. 2 is the air purification method based on electrostatic deflection of second embodiment of the invention and the schematic diagram of air cleaning unit (Multi-channel flat plate type).
Second embodiment of the invention is substantially the same with first embodiment of the invention, and difference is only: the multichannel that the single channel of first embodiment of the invention is modified as to second embodiment of the invention.For example, as shown in Figure 2, multipair negative plate 200 and positive plate 100 are set respectively from top to bottom.In Fig. 2, specifically illustrated four pairs of pole plates, certainly, those skilled in the art are appreciated that the pole plate pair that other quantity also can be set on basis of the present invention, and do not depart from protection scope of the present invention.Like this, between multipair negative plate 200 and positive plate 100, just formed multiple air ducts (, multichannel), thereby can further improve the efficiency of air cleaning.Between the positive plate of phase adjacency pair and negative plate, available nonconducting resin connects.
The 3rd embodiment
Fig. 3 is the air purification method based on electrostatic deflection of third embodiment of the invention and the schematic diagram of air cleaning unit (single channel cylinder type).
Third embodiment of the invention is substantially the same with first embodiment of the invention, and difference is only: by plate the single channel of the first embodiment of the invention single channel cylinder type that is modified as third embodiment of the invention.For example, as shown in Figure 3, negative plate 200 forms the inner cylinder of air cleaning unit, and positive plate 100 forms the outer cylinder of air cleaning unit, thereby between negative plate 200 and positive plate 100, form annular air channel, thereby can further improve the efficiency of air cleaning.
The 4th embodiment
Fig. 4 (a) is the diagrammatic side view of the air purification method based on electrostatic deflection and the air cleaning unit (reaction of electrostatic deflection+air water) of fourth embodiment of the invention.Fig. 4 (b) is air water reactor in the air cleaning unit based on electrostatic deflection of fourth embodiment of the invention and the diagrammatic top view of moisture trap.
In order further to improve air purification effect, on the basis of the present invention first, second or the 3rd embodiment, as Fig. 4 (a) with 4(b), the air purification method of fourth embodiment of the invention also can comprise:
Introduce respectively air water reactor 401 by water and through the air of electrostatic deflection and catalytic oxidation treatment, so that introduce empty G&W in air water reactor 401, reach speed of related movements more than 20 meter per seconds and react in air water reactor 401, thereby produce negative oxygen ion and air further purified; And
To after reaction, separate with reacting water afterwards containing purifying air of negative oxygen ion, and will after reaction, be discharged into requisite space containing purifying air of negative oxygen ion.
Preferably the speed of related movement that, the empty G&W of introducing reaches more than 20 meter per seconds in air water reactor 401 is realized in the following manner: be air stream impact, friction current more than 20 meter per seconds by speed.
Preferably,, before by speed being air stream impacts more than 20 meter per seconds, the current that rub, the plate 410 that spatters that current are arranged in air water reactor 401 disperses.
Equally in order further to improve air purification effect, on the basis of the present invention first, second or the 3rd embodiment, as Fig. 4 (a) with 4(b), the air cleaning unit of fourth embodiment of the invention also can comprise:
Be arranged on the moisture trap 402 in air water reactor 401 downstreams, moisture trap 402 for after will reaction containing negative oxygen ion purify air with react after water separate, and will after reaction, be discharged into requisite space containing purifying air of negative oxygen ion.
Preferably, air water reactor 401 comprises intake section 411, and intake section 411 is for making air stream reach speed more than 20 meter per seconds, to impact, to rub current.
Preferably, air water reactor 401 also comprises and spatters plate 410, spatters plate 410 and is arranged in air water reactor 401 for current are dispersed being impacted by air stream, before friction.
Here introducing one, to be applicable to area be 40m
2, space is 120m
3the air purification method based on electrostatic deflection and the air cleaning unit of fourth embodiment of the invention.By 20 minutes whole circulation primary of space air, compressor flow was 120m
3/ 20min=360m
3/ h=0.1m
3/ s, blast is 2500Pa.
For example, air by blower fan from sectional area 200cm
2air inlet suck between positive plate 100 and negative plate 200, after electrostatic deflection and catalytic oxidation treatment, enter again intake section 411, air velocity is 5m/s, at the end of intake section, pipeline section dwindles, air velocity is added near 40m/s(certain, the air velocity 40m/s is here a kind of example, under principle of the present invention, as long as employing speed is air streams more than 20 meter per seconds), enter the entrance 412 of air water reactor 401, entrance 412 front with water pump and sparge pipe 408 to the interior water spray of air water reactor 401, water rushes at after spattering plate 410 and scatter before entrance 412, cut by high velocity air, friction, water loses electronics, the electronics losing becomes space free electronics, space free electronics and combination with oxygen form a large amount of negative oxygen ions.Meanwhile, form a large amount of water smoke and steam at air water reactor 401.
Negative oxygen ion and water smoke for example enter the moisture trap 402 on right side under the effect of air-introduced machine.Under the effect of centrifugal force, various particles are finally separated with water body, flow into water tank precipitation, complete removing.Air only carries in negative oxygen ion and part steam return chamber, and negative oxygen ion, in indoor diffusion, continues to remove to indoor PM2.5.
Preferably, the volume ratio of the water and air of introducing is 5:1000 to 50:1000.
Preferably, speed is that more than 20 meter per seconds air stream is produced by air intake duct reducing.
The air purification method based on electrostatic deflection of fourth embodiment of the invention and air cleaning unit can reach more than 95% the First clearance rate of each particles thing in air.This device can use conventionally continuously, until room air reaches preassigned.
Be applicable to the air purification method based on electrostatic deflection of various enclosure spaces and air cleaning unit as long as adjust plant capacity and size can achieve the goal.
The 5th embodiment
Principle, step or the structure of fifth embodiment of the invention is substantially the same with principle, step or the structure of fourth embodiment of the invention, therefore can be equally with reference to Fig. 4 (a) and Fig. 4 (b) and associated description thereof.Difference is: fifth embodiment of the invention is applicable to car inner sealing space.
Here introducing one, to be applicable to space be 2m
3vehicle-mounted air purification method and the air cleaning unit based on electrostatic deflection of fifth embodiment of the invention.By the whole circulation primary of air in 10 minutes cars, compressor flow is 2m
3/ 10min=12m
3/ h=0.00333m
3/ s, blast is 2500Pa.
For example, air by blower fan from sectional area 200cm
2air inlet suck between positive plate 100 and negative plate 200, after electrostatic deflection and catalytic oxidation treatment, enter again intake section 411, air velocity is 5m/s, at the end of intake section, pipeline section dwindles, air velocity is added near 40m/s(certain, the air velocity 40m/s is here a kind of example, under principle of the present invention, as long as employing speed is air streams more than 20 meter per seconds), enter the entrance 412 of air water reactor 401, entrance 412 front with water pump and sparge pipe 408 to the interior water spray of air water reactor 401, water rushes at after spattering plate 410 and scatter before entrance 412, cut by high velocity air, friction, water loses electronics, the electronics losing becomes space free electronics, space free electronics and combination with oxygen form a large amount of negative oxygen ions.Meanwhile, form a large amount of water smoke and steam at air water reactor 401.
Negative oxygen ion and water smoke for example enter the moisture trap 402 on right side under the effect of air-introduced machine.Under the effect of centrifugal force, various particles are finally separated with water body, flow into water tank precipitation, complete removing.Air only carries negative oxygen ion and part steam returns in car, and negative oxygen ion spreads in car, and the PM2.5 in car is continued to remove.
Preferably, the volume ratio of the water and air of introducing is 5:1000 to 50:1000.
Preferably, speed is that more than 20 meter per seconds air stream is produced by air intake duct reducing.
The air purification method based on electrostatic deflection of fifth embodiment of the invention and air cleaning unit can reach more than 95% the First clearance rate of each particles thing in air.This device can use conventionally continuously, until air reaches preassigned in car.
Be applicable to the air purification method based on electrostatic deflection of various enclosure spaces and air cleaning unit as long as adjust plant capacity and size can achieve the goal.
For example, the about 20cm*30cm*70cm of this device profile, approximately 4 kilograms of quality before not adding water, approximately 9 kilograms of quality after topped up with water, power consumption 100--300 watt.
Although five embodiment that provide above-mentioned have described the air purification method based on electrostatic deflection and the air cleaning unit of particular configuration; but those skilled in the art are appreciated that on basis of the present invention; protection scope of the present invention is not limited to the air purification method based on electrostatic deflection and the air cleaning unit of the above particular configuration of enumerating, and also can adopt the air purification method based on electrostatic deflection and the air cleaning unit of other structure.According to principle of the present invention, as long as air purification method comprises the steps: by positive plate and negative plate positioned opposite spaced apart, and apply electrostatic field between positive plate and negative plate, wherein, negative plate comprises catalytic oxidation layer; Make air through between positive plate and negative plate so that in air electrically charged particle electrostatic deflection on positive plate and negative plate; And electrostatic deflection is carried out to catalytic oxidation to the positively charged particle on the catalytic oxidation layer of negative plate.Or, according to principle of the present invention, as long as air cleaning unit comprises following positive plate, negative plate and static power supply: positive plate and negative plate positioned opposite spaced apart, wherein, negative plate comprises catalytic oxidation layer; Static power supply is for applying electrostatic field between positive plate and negative plate so that through electrically charged particle electrostatic deflection in the air between positive plate and negative plate on positive plate and negative plate.
By reference to the accompanying drawings the present invention is exemplarily described above, obvious specific implementation of the present invention is not subject to the restriction of above-mentioned embodiment.Those skilled in the art can, not departing under the prerequisite of the technology of the present invention design, make various modifications or modification to the present invention, within these modifications or modification also fall into protection scope of the present invention certainly.
Claims (20)
1. the air purification method based on electrostatic deflection, is characterized in that, the described air purification method based on electrostatic deflection comprises:
By positive plate and negative plate positioned opposite spaced apart, and apply electrostatic field between described positive plate and described negative plate, wherein, described negative plate comprises catalytic oxidation layer;
Make air through between described positive plate and described negative plate so that in air electrically charged particle electrostatic deflection on described positive plate and described negative plate; And
Electrostatic deflection is carried out to catalytic oxidation to the positively charged particle on the catalytic oxidation layer of described negative plate.
2. the air purification method based on electrostatic deflection as claimed in claim 1, is characterized in that, described catalytic oxidation layer comprises palladium.
3. the air purification method based on electrostatic deflection as claimed in claim 1, it is characterized in that, described positive plate comprises conductive layer, and the described air purification method based on electrostatic deflection also comprises electrostatic deflection is adsorbed to the particles thing on the conductive layer of described positive plate.
4. the air purification method based on electrostatic deflection as claimed in claim 1, is characterized in that, the described air purification method based on electrostatic deflection also comprises described negative plate is heated or described negative plate and described positive plate are heated.
5. the air purification method based on electrostatic deflection as claimed in claim 4, it is characterized in that, described negative plate is heated or described negative plate and described positive plate are heated in the following manner and realized: need the pole plate of heating to comprise heat-conducting layer, heater is connected to described heat-conducting layer.
6. the air purification method based on electrostatic deflection as claimed in claim 1, is characterized in that, described positive plate and described negative plate all comprise rigid support layer.
7. the air purification method based on electrostatic deflection as claimed in claim 1, is characterized in that, the electric-field intensity of described electrostatic field is 6kV/m to 600kV/m.
8. the air purification method based on electrostatic deflection as claimed in claim 1, is characterized in that, the described air purification method based on electrostatic deflection also comprises:
Introduce respectively air water reactor by water and through the air of electrostatic deflection and catalytic oxidation treatment, so that introduce empty G&W in described air water reactor, reach speed of related movements more than 20 meter per seconds and react in described air water reactor, thereby produce negative oxygen ion and air further purified; And
To after reaction, separate with reacting water afterwards containing purifying air of negative oxygen ion, and will after reaction, be discharged into requisite space containing purifying air of negative oxygen ion.
9. the air purification method based on electrostatic deflection as claimed in claim 8, it is characterized in that, the speed of related movement that the empty G&W of introducing reaches more than 20 meter per seconds in described air water reactor is realized in the following manner: be air stream impact, friction current more than 20 meter per seconds by speed.
10. the air purification method based on electrostatic deflection as claimed in claim 9, is characterized in that, before by speed being air stream impacts more than 20 meter per seconds, the current that rub, the plate that spatters that current are arranged in described air water reactor disperses.
11. 1 kinds of air cleaning units based on electrostatic deflection, is characterized in that, the described air cleaning unit based on electrostatic deflection comprises:
Positive plate and negative plate, described positive plate and described negative plate positioned opposite spaced apart; And
Static power supply, described static power supply is for applying electrostatic field between described positive plate and described negative plate so that through electrically charged particle electrostatic deflection in the air between described positive plate and negative plate on described positive plate and described negative plate;
Wherein, described negative plate comprises catalytic oxidation layer.
12. air cleaning units based on electrostatic deflection as claimed in claim 11, is characterized in that, described catalytic oxidation layer comprises palladium.
13. air cleaning units based on electrostatic deflection as claimed in claim 11, is characterized in that, described positive plate comprises conductive layer.
14. air cleaning units based on electrostatic deflection as claimed in claim 11, it is characterized in that, the described air cleaning unit based on electrostatic deflection also comprises heater, and described heater is for heating or described negative plate and described positive plate are heated described negative plate.
15. air cleaning units based on electrostatic deflection as claimed in claim 14, is characterized in that, need the pole plate of heating to comprise heat-conducting layer, and described heater is connected to described heat-conducting layer.
16. air cleaning units based on electrostatic deflection as claimed in claim 11, is characterized in that, described positive plate and described negative plate all comprise rigid support layer.
17. air cleaning units based on electrostatic deflection as claimed in claim 11, is characterized in that, the electric-field intensity of described electrostatic field is 6kV/m to 600kV/m.
18. air cleaning units based on electrostatic deflection as claimed in claim 11, is characterized in that, the described air cleaning unit based on electrostatic deflection also comprises:
Air water reactor, described air water reactor is for introducing respectively water and the air through electrostatic deflection and catalytic oxidation treatment, so that introduce empty G&W in described air water reactor, reach speed of related movements more than 20 meter per seconds and react in described air water reactor, thereby produce negative oxygen ion and air be cleaned; And
Be arranged on the moisture trap of described air water reactor downstream, described moisture trap separates with reacting water afterwards for containing purifying air of negative oxygen ion after reacting, and reaction will be discharged into requisite space containing purifying air of negative oxygen ion afterwards.
19. air cleaning units based on electrostatic deflection as claimed in claim 18, is characterized in that, described air water reactor comprises intake section, and described intake section is for making air stream reach speed more than 20 meter per seconds, to impact, to rub current.
20. air cleaning units based on electrostatic deflection as claimed in claim 19, is characterized in that, described air water reactor also comprises and spatter plate, described in spatter plate and be arranged in described air water reactor for current are dispersed being impacted by air stream, before friction.
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| CN201410154747.2A CN103894289B (en) | 2014-04-17 | 2014-04-17 | Air purification method and air cleaning unit based on electrostatic deflection |
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| CN201410154747.2A CN103894289B (en) | 2014-04-17 | 2014-04-17 | Air purification method and air cleaning unit based on electrostatic deflection |
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| CN103894289B (en) | 2017-04-05 |
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