CN205701030U - A kind of road fume purifier using column dielectrophoresis electrode - Google Patents
A kind of road fume purifier using column dielectrophoresis electrode Download PDFInfo
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- CN205701030U CN205701030U CN201620226935.6U CN201620226935U CN205701030U CN 205701030 U CN205701030 U CN 205701030U CN 201620226935 U CN201620226935 U CN 201620226935U CN 205701030 U CN205701030 U CN 205701030U
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- battery lead
- lead plate
- columnar protrusions
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- columnar
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Abstract
This utility model relates to a kind of road fume purifier using column dielectrophoresis electrode, and it is perpendicular in including shell and shell on the columnar electrode assembly that airflow direction is arranged, air inlet on shell and air outlet all be shaped with air ducting；Divide equally cloth on first battery lead plate of columnar electrode assembly, the second battery lead plate and be provided with columnar protrusions and position, hole, the columnar protrusions of the first battery lead plate and the position, hole of Kong Weiyu the second battery lead plate and columnar protrusions locations complementary；After two battery lead plates fasten relatively, within wherein the columnar protrusions of a battery lead plate is embedded in the position, hole of another battery lead plate；First battery lead plate and the second battery lead plate connect the different outfans of high-frequency ac power respectively, form the acting surface to the non-equal electric field of emission on the non-protruding face of the first battery lead plate and the second battery lead plate.This utility model scientific structure design is reasonable, has dielectrophoresis effective, simple in construction, fabrication and installation easily, advanced technology, good dedusting effect, efficiency high.
Description
Technical field
This utility model belongs to air filtration technical field, particularly to a kind of road using column dielectrophoresis electrode
Fume purifier.
Background technology
Spread aerial grit and be vulnerable to the impact of the factors such as air-flow, weather conditions, road traffic state, according to the study
Finding, the airborne dust on motor car engine fuel combustion and road surface is the principal element causing city PM10 to pollute.At city PM10
In have 34%～40% due to motor vehicles burning contributed.30%～50% is to be contributed by road surface airborne dust.In recent years, due to city
City's motor vehicles increase sharply, and tail gas pollution and dust pollution that transportation brings also are on the rise.Especially some big cities
City, the pollution that transportation brings has become the main cause of atmospheric pollution.According to investigations, Beijing's Three links theory is with inherent non-heating
Phase, the pollutant that automobile brings account for more than half of atmosphere pollution.Therefore, pollution vehicle exhaust and wagon flow airborne dust brought
Carry out permanent improvement the most very urgent.
The dust collection method that gas is conventional typically has: mechanical type dedusting, wet dust removal, filtering type dedusting, electrostatic precipitation.Wherein
Mechanical type dedusting has gravitational dust collection method, inertia force process of cleaning and centrifugal dust removal method.Basic dust collection method principle is described below
And equipment.
Gravitational dust collection method: utilize dust different from the density of gas, the gravity relying on dust self is naturally heavy from air-flow
Lower, reach to separate or the purpose of particle in trapping dust-contained airflow.Common equipment is horizontal gas flow expansion chamber.
Inertia force process of cleaning: utilize dust different from gas inertia at the volley, make dust separate from air-flow.
In inertial dust collection method, in addition to make use of particle inertia at the volley relatively big, also use gravity and the centrifugal force of particle.Press
The version classification of inertial dust separator, mainly has reversible type inertial dust separator and collision type inertial dust separator.
Centrifugal dust removal method: utilize the flowing velocity of dust-contained airflow, makes air-flow do along certain certain orientation in dust arrester
Continuous print rotary motion, particle obtains centrifugal force in the rotation of air-flow, causes particle to be separated from air-flow.Commonly use and set
Have cyclone dust collector and cyclon dust collector.
Wet-type dust removing method: wet dust removal is also referred to as cleaning dust, is to wash dusty gas by liquid, utilize formed liquid film,
Grit in drop or bubble capture gas, grit is with liquid discharge, and gas is purified.Different by dedusting mechanism, there is spraying
Formula scrubber, cyclone washer cleaner unit, storage water heater impingement washing scrubber, column plate type bubble cleaning cleaner unit, filler
Formula scrubber, Venturi scrubbing cleaner unit, machine power scrubber.
Dedusting by filtration: dusty gas passes through porous filter-material, and grit is retained down, and gas is purified.By filter dirt side
Formula has dividing of self-filtering and outside filtrationing.What outside filtration was widely used is sack cleaner, and self-filtering is that granular layer removes
Dirt device.
Cottrell process: refer to electrostatic precipitation at present, is to utilize high-voltage dc to produce to make the gas in air divide
Son ionization, produces a large amount of electronics and ion, moves to the two poles of the earth, encounter in air-flow in moving process under the effect of electric field force
Dust granules makes it charged, and electrically charged particle moves to pole plate in electric field force effect, it is achieved solids or liquid particle and air-flow
Separation.Industrial wide variety of be tube-type esp and Elex precipitator.Cottrell process and dielectrophoresis technology
Except for the difference that:
(1) what dielectrophoresis was handled is neutrophil granule so that it is the translational motion produced due to the effect of dielectric polarization；Electricity
What swimming was handled is electronics and ion so that it is load produces displacement on dust granules.
(2) in dielectrophoresis, particle motion is unrelated with the direction of electric field, dielectric constant the most with itself and medium
Dielectric constant relevant；In electrophoresis particle motion depend on granule charged symbol and the direction of electric field, electric field side
To inverting then direction of motion reversion.
(3) dielectrophoresis needs inhomogeneous field；Electrophoresis all can occur in field uniform or heterogeneous.
(4) size of dielectrophoresis force be proportional to particle diameter cube；It is charged that the size of electrophoretic force is proportional to granule institute
The number of lotus.
Chinese patent: a kind of dielectrophoresis electrode structure (application number: 201410407467.8, the applying date:
2014.08.19) a kind of electrode with chi structure is disclosed, " described by claim 1 and description [0005th] section
A part of wire connecting power positive pole in first wire group, another part connects power cathode " understand, this electrode is in application
In, be passed through is DC source (only DC source inborn ability both positive and negative polarity).Although applicant explains in description [0006th] section
State this electrode structure and can produce non-uniform electric field, but this non-uniform electric field can not sustainable existence from principle.
After the electrode in medium is passed through unidirectional current, imitate due to foregoing electrophoresis because of the charged particle that can not offset
Should, converging in opposite polarity electrode surface, produce the effect being similar to electrostatic screen, external electronic field is reduced to 0.So
Producing the effect of non-uniform electric field between just not reaching in the electrodes, the most above-mentioned setting does not reaches utility model purpose.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of use columnar electrode assembly, has
Dielectrophoresis is effective, low cost of manufacture, the feature such as easy for installation, can be used for the use post of road dedusting, better dust removal effect
The road fume purifier of shape dielectrophoresis electrode.
Utility model purpose of the present utility model realizes by the following technical solutions:
A kind of road fume purifier using column dielectrophoresis electrode, it is characterised in that: it includes shell and installation
Air ducting all it is shaped with on columnar electrode assembly in shell, air inlet on shell and air outlet；Described columnar electrode
Assembly includes the first battery lead plate and the second battery lead plate, divides equally cloth and be provided with columnar protrusions on the first battery lead plate, the second battery lead plate
With position, hole, the columnar protrusions of the first battery lead plate and the position, hole of Kong Weiyu the second battery lead plate and columnar protrusions locations complementary；First electricity
After the raised face (RF) with columnar protrusions of pole plate and the second battery lead plate fastens relatively, wherein the columnar protrusions of a battery lead plate is embedded in
Within the position, hole of another battery lead plate；First battery lead plate and the second battery lead plate connect the different outfans of high-frequency ac power respectively,
The non-protruding face of the first battery lead plate and the second battery lead plate is formed the acting surface to the non-equal electric field of emission, described orifice electrode
It is respectively provided with, on first battery lead plate of assembly and the second battery lead plate, the gap passed the gas through；Described columnar electrode assembly is perpendicular to gas
Flow path direction, or have acute angle with airflow direction.
Described air ducting is venetian blind type wind blade.
Described shell is rectangle, and described air inlet is arranged on the front of described shell, described air outlet be arranged on described outside
The reverse side of shell.
The first described battery lead plate and the surface of the second battery lead plate have insulating barrier.
After described the first battery lead plate, the raised face (RF) of the second battery lead plate fasten relatively, the column that wherein a battery lead plate is made
The top of projection flushes with the non-protruding face of another battery lead plate.
Described the first battery lead plate, the second battery lead plate use sheet metal or slice stamping molding, the column of molding on it
Projection and position, hole form interlaced array distribution.
Described interlaced array distribution mode is: the odd positions of the line n of the first battery lead plate and the (n+1)th row
Even bit be set to columnar protrusions, the even number position of line n and the odd positions of the (n+1)th row are position, hole；Second electrode
The columnar protrusions of plate is then corresponding with the position, hole of the first battery lead plate and columnar protrusions position with position, hole.
Described interlaced array distribution mode is: the line n of the first battery lead plate is columnar protrusions or position, hole, the
N+1 row is position, hole or columnar protrusions；The columnar protrusions of the second battery lead plate and position, hole then with position, hole and the column of the first battery lead plate
Projection position is corresponding.
Described the first battery lead plate, the thickness of slab of the second battery lead plate are identical；The cross-sectional diameter of described columnar protrusions≤
2.5mm；Described columnar protrusions and Kong Weiwei matched in clearance, fit clearance is not more than monolateral 0.2mm.
The first described battery lead plate and the second battery lead plate are corrugated plating.Advantage of the present utility model and having the beneficial effect that
1. the road fume purifier of this use column dielectrophoresis electrode, when vehicle travels, owing to car body drives sky
Flow of air so that dust laden air through depurator columnar electrode assembly produce inhomogeneous field after, the dust in air-flow
Grain is produced by the effect of electric field and polarizes, and is trapped in around columnar electrode assembly, settles the most under gravity so that contains
The air of vehicle exhaust and airborne dust is purified；Dielectrophoresis effect is utilized to carry out road dedusting, advanced technology, dust removing effects
Good.
2. the road fume purifier of this use column dielectrophoresis electrode, uses rectangular housing, it is easy to install, and at it
Shell tow sides are shaped with venetian blind type wind blade, are conducive to increasing through air mass flow, strengthen dust removing effects.
3. the road fume purifier of this use column dielectrophoresis electrode, uses columnar electrode assembly, columnar electrode group
Part the columnar protrusions of Different electrodes plate and position, hole cooperate, collectively form a working cell launching non-equal electric field
Body, under high frequency alternating current effect, the surface deep camber at the body of working cell makes the face electricity of body region, working cell
Lotus increase in density, the uneven field intensity of its region strengthens therewith；Columnar protrusions is as the hole launching end points and through electrode plate
The working cell body that collectively forms of position is open to external structure, the non-equal electric field of transmitting both pass through battery lead plate arrive surface it
Outer rather than electric field is enclosed between two battery lead plates, it is impossible to effectively to play the dielectrophoresis effect of non-equal electric field, cause wave
Take.Meanwhile, for the surface launching of traditional dielectric iontophoretic electrode, columnar protrusions can taper off to a point launch point, at acting surface
Outside formed electric field in dielectrophoresis force higher.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation；
Fig. 2 be two electrode plate of columnar electrode assembly of the present utility model combination before relative position view；
Fig. 3 be two electrode plate of columnar electrode assembly of the present utility model combination before relatively position stereochemical structure signal
Figure；
Fig. 4 is the section of structure of the single-piece electrode plate of columnar electrode assembly of the present utility model；
Fig. 5 is the perspective view of the single-piece electrode plate of columnar electrode assembly of the present utility model；
Fig. 6 be two electrode plate of columnar electrode assembly of the present utility model combination after sectional view；
Fig. 7 be two electrode plate of columnar electrode assembly of the present utility model combination after relatively position stereochemical structure signal
Figure；
Fig. 8 is the columnar electrode assembly of the present utility model particle distribution schematic diagram before energising；
Fig. 9 is columnar electrode assembly of the present utility model particle distribution schematic diagram after powered up；
Figure 10 is the electric field intensity contour of the uneven electric field that columnar electrode assembly of the present utility model produces after powered up.
Description of reference numerals
1-wind blade, 2-shell, 3-power connection, 4-columnar electrode assembly, 5-the first battery lead plate, 6-the second electrode
Plate, 7-columnar protrusions, position, 8-hole, 9-acting surface.
Detailed description of the invention
Below by specific embodiment, the utility model is described in further detail, and following example are illustrative, no
It is determinate, it is impossible to limit protection domain of the present utility model with this.
As it is shown in figure 1, a kind of road fume purifier using column dielectrophoresis electrode, it includes shell 2 and installs
Wind blade 1 all it is shaped with on columnar electrode assembly 4 in shell 2, air inlet on shell 2 and air outlet.Air-flow is from outward
The air inlet front of shell 2 enters inside depurator, after the non-well-balanced electric field dedusting that columnar electrode assembly 4 produces, from the negative
Air outlet discharge.Columnar electrode assembly is perpendicular to airflow direction, or has acute angle with airflow direction.Columnar electrode assembly bag
Including two panels and connect the battery lead plate of alternating current power supply difference outfan respectively, columnar electrode assembly is exchanged with external by power connection 3
The two panels terminal of power supply connects.Shell 2 is the rectangle that the shape with columnar electrode assembly 4 adapts, and is suitably stable for stacking.
The columnar electrode assembly 4 that this utility model is used, its concrete structure is:
As shown in Figure 2 and Figure 3, columnar electrode assembly 1 of the present utility model includes first battery lead plate the 5, second battery lead plate 6, the
One battery lead plate 5 and the second battery lead plate 6 are laminated structure, it is respectively provided with columnar protrusions 7 and position, hole 8, is positioned on a battery lead plate
The geomery of columnar protrusions 7 match with the geomery of the position, hole 8 being positioned on another battery lead plate, the height of columnar protrusions 7
Degree and the consistency of thickness of battery lead plate.First battery lead plate 5 and the second battery lead plate 6 outer surface have insulating barrier, the post of the first battery lead plate 5
The locations complementary of the position, hole 8 of shape projection 7 and the second battery lead plate 6, vice versa.
As shown in Figure 6, Figure 7, during installation, the raised face (RF) of first battery lead plate the 5, second battery lead plate 6 fastens relatively, makes the first electricity
Within the columnar protrusions 7 of pole plate 5 inserts the position, hole 8 of the second battery lead plate 6, the columnar protrusions 7 of the second battery lead plate 6 inserts the first electrode
Within the position, hole 8 of plate 5, the columnar protrusions 7 of two plates coordinates with position, hole 8 for concentric fit.The columnar protrusions 7 of the first battery lead plate 5 pushes up
End and the non-protruding face flush with outer surface of the second electrode 2, columnar protrusions 7 top of the second battery lead plate 6 is non-prominent with the first electrode 1
Play face flush with outer surface.
It is respectively provided with, on first battery lead plate of orifice electrode assembly and the second battery lead plate, the gap passed the gas through, it is ensured that air-flow
The property passed through.Gap can carry out open-minded on the first battery lead plate and the second battery lead plate on remaining position of Kong Weiyu columnar projections
Groove, thus form the gap that supply stream passes through.
First battery lead plate 5 and the second battery lead plate 6 connect the different outfans of high-frequency ac power respectively, during energising, at post
The surrounding of shape projection 7 forms a working cell body launching non-equal electric field.Then dielectrophoresis electrode structure has two distributions
The acting surface 9 of working cell body.Liquid endoparticle self-characteristic according to required process, changes columnar protrusions 7 and position, hole 8 institute
The cross-sectional diameter of the working cell of composition, and the distance between working cell, at two of dielectrophoresis electrode structure
Skewness electric field on acting surface 9, it is achieved the efficient operation on whole purification, separation, enriching service face to target particles
Process.
First battery lead plate, the second battery lead plate thickness of slab identical；Cross-sectional diameter≤the 2.5mm of columnar protrusions；Columnar protrusions
With Kong Weiwei matched in clearance, fit clearance is not more than monolateral 0.2mm.
As shown in Figure 4, Figure 5, as a example by the first battery lead plate 5, the first battery lead plate 5 is become by a sheet metal or slice stamping
Type, columnar protrusions 7 thereon and position, hole 8 are in interlaced distribution array.Its distribution mode includes:
1) odd positions of line n and the even bit of the (n+1)th row are set to columnar protrusions 7, the even number position of line n
It is position, hole 8 with the odd positions of the (n+1)th row.Make to be the most different position, hole 8, instead on 4 positions that columnar protrusions 7 is adjacent
Adjacent 4 positions, position, hole 8 on be the most different columnar protrusions 7.When energized, in the face of dielectrophoresis electrode structure
The direction-free equally distributed non-equal electric field of upper formation, i.e. entirety is uniformly distributed, but is non-equal electricity around columnar protrusions 7
?.
2) line n is position, columnar protrusions 7/ hole 8, and the (n+1)th row is position, hole 8/ columnar protrusions 7.When energized, in dielectric
The non-equal electric field of the working cell body distribution cooperatively formed along columnar protrusions 7 and position, hole 8 is formed on the face of iontophoretic electrode structure.
Its first battery lead plate and the second battery lead plate can also be continuous print corrugated plating, and mutually fasten.
As Figure 8-Figure 10, dielectrophoresis electrode structure, first battery lead plate the 5, second battery lead plate 6 connects high frequency respectively and hands over
The different outfans of stream power supply, alternating current phases differs 180 °.When connecting alternating current power supply, by laying respectively at the first battery lead plate 5
The working cell body collectively formed with the columnar protrusions 7 of the second battery lead plate 6 and position, hole 8, to the non-equal electric field of emission, works as alternating current
During the frequency difference that source inputs, acting surface 9 produces positive dielectrophoresis effect or negative dielectrophoresis effect.As shown in Figure 10,
First battery lead plate 5 and the second battery lead plate 6 connect the different outfans of high-frequency ac power respectively, during energising, columnar protrusions 7 with
What position, hole 8 was formed launches the highfield put outside body top, the working cell outerplanar surrounding formation one of non-equal electric field.
One embodiment of the road fume purifier of this use column dielectrophoresis electrode is:
The road fume purifier of this use column dielectrophoresis electrode is arranged at (or both sides) isolation strip in the middle of road,
When automobile is along road running, owing to car body drives air flowing, form wagon flow wind.It is positioned at (or both sides) isolation strip in the middle of road
DEP road fume purifier, utilize wagon flow wind action so that dust laden air is repeatedly via wind blade, through column electricity
Pole assembly.Columnar electrode assembly is applied high-frequency alternating current by DEP power supply, produces non-uniform electric field, electric via dust therein
Field polarization, is captured by columnar electrode assembly by dielectrophoresis force so that the air containing vehicle exhaust and airborne dust is purified, from
And reach the purpose of near Highway depositing dust.
Although disclosing embodiment of the present utility model and accompanying drawing for the purpose of illustration, but those skilled in the art being permissible
Understanding: without departing from this utility model and spirit and scope of the appended claims, various replacements, to change and modifications be all can
Can, therefore, scope of the present utility model is not limited to embodiment and accompanying drawing disclosure of that.
Claims (10)
1. the road fume purifier using column dielectrophoresis electrode, it is characterised in that: it includes shell and is installed on
Air ducting all it is shaped with on columnar electrode assembly in shell, air inlet on shell and air outlet；Described columnar electrode group
Part includes the first battery lead plate and the second battery lead plate, the first battery lead plate, the second battery lead plate are divided equally cloth be provided with columnar protrusions and
Kong Wei, the columnar protrusions of the first battery lead plate and the position, hole of Kong Weiyu the second battery lead plate and columnar protrusions locations complementary；First electrode
After the raised face (RF) with columnar protrusions of plate and the second battery lead plate fastens relatively, wherein the columnar protrusions of a battery lead plate is embedded in separately
Within the position, hole of one battery lead plate；First battery lead plate and the second battery lead plate connect the different outfans of high-frequency ac power respectively,
The acting surface to the non-equal electric field of emission, described orifice electrode group is formed on the non-protruding face of the first battery lead plate and the second battery lead plate
It is respectively provided with, on first battery lead plate of part and the second battery lead plate, the gap passed the gas through；Described columnar electrode assembly is perpendicular to air-flow
Direction, or have acute angle with airflow direction.
A kind of road fume purifier using column dielectrophoresis electrode the most according to claim 1, it is characterised in that:
Described air ducting is venetian blind type wind blade.
A kind of road fume purifier using column dielectrophoresis electrode the most according to claim 1 and 2, its feature exists
In: described shell is rectangle, and described air inlet is arranged on the front of described shell, and described air outlet is arranged on the anti-of described shell
Face.
A kind of road fume purifier using column dielectrophoresis electrode the most according to claim 1, it is characterised in that:
The first described battery lead plate and the surface of the second battery lead plate have insulating barrier.
5., according to a kind of road fume purifier using column dielectrophoresis electrode described in claim 1 or 4, its feature exists
In: after described the first battery lead plate, the raised face (RF) of the second battery lead plate fasten relatively, the columnar protrusions that wherein a battery lead plate is made
Top flushes with the non-protruding face of another battery lead plate.
A kind of road fume purifier using column dielectrophoresis electrode the most according to claim 1, it is characterised in that:
Described the first battery lead plate, the second battery lead plate use sheet metal or slice stamping molding, the columnar protrusions of molding and hole on it
Position forms interlaced array distribution.
A kind of road fume purifier using column dielectrophoresis electrode the most according to claim 6, it is characterised in that:
Described interlaced array distribution mode is: the odd positions of the line n of the first battery lead plate and the even number of the (n+1)th row
Position is columnar protrusions, and the even number position of line n and the odd positions of the (n+1)th row are position, hole；The column of the second battery lead plate
Projection is then corresponding with the position, hole of the first battery lead plate and columnar protrusions position with position, hole.
A kind of road fume purifier using column dielectrophoresis electrode the most according to claim 6, it is characterised in that:
Described interlaced array distribution mode is: the line n of the first battery lead plate is columnar protrusions or position, hole, and the (n+1)th row is equal
For position, hole or columnar protrusions；The columnar protrusions of the second battery lead plate and position, hole then with position, hole and the columnar protrusions position of the first battery lead plate
Corresponding.
9. according to a kind of road clarifying smoke using column dielectrophoresis electrode described in claim 1 or 4 or 6 or 7 or 8
Device, it is characterised in that: described the first battery lead plate, the thickness of slab of the second battery lead plate are identical；The cross-sectional diameter of described columnar protrusions
≤2.5mm；Described columnar protrusions and Kong Weiwei matched in clearance, fit clearance is not more than monolateral 0.2mm.
10. according to a kind of road clarifying smoke using column dielectrophoresis electrode described in claim 1 or 4 or 6 or 7 or 8
Device, it is characterised in that: the first described battery lead plate and the second battery lead plate are corrugated plating.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728192A (en) * | 2016-03-23 | 2016-07-06 | 北京上派环境科技有限公司 | Road dust purifier using columnar dielectrophoresis electrode |
-
2016
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728192A (en) * | 2016-03-23 | 2016-07-06 | 北京上派环境科技有限公司 | Road dust purifier using columnar dielectrophoresis electrode |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |