CN104179551B - Dielectrophoresis automotive exhaust purification system - Google Patents
Dielectrophoresis automotive exhaust purification system Download PDFInfo
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- CN104179551B CN104179551B CN201410421058.3A CN201410421058A CN104179551B CN 104179551 B CN104179551 B CN 104179551B CN 201410421058 A CN201410421058 A CN 201410421058A CN 104179551 B CN104179551 B CN 104179551B
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Abstract
The invention provides a high-efficiency dielectrophoresis automotive exhaust purification system. The system comprises a gas inlet barrel, a gas outlet barrel, a ternary catalytic converter and a DEP (dielectrophoresis) purifier, the DEP purifier comprises a shell with a gas inlet and a gas outlet, a connection mechanism is arranged in the shell and detachably connected with a DEP purifying electrode plate, the DEP purifying electrode plate can be curled to enable the lateral side to be spiral, and a layered space formed by the curled DEP purifying electrode plate serves as a fluid passage. DEP purifying electrodes are arranged on one face or two faces of the DEP purifying electrode plate, each DEP purifying electrode consists of an anode portion and a cathode portion, each anode portion is formed by periodical repetition of anodes, each cathode portion is formed by periodical repetition of cathodes, and one anode and one cathode form a DEP electrode structure. A non-uniform electric field is formed around the DEP purifying electrode plate, and small particles, especially particulate matters which can be inhaled to lungs, can be effectively adsorbed by the aid of the electrophoretic force.
Description
Technical field
The present invention relates to material purification treatment technology field, it is related to a kind of dress for being capable of purification gas, solid or liquid
Put, and in particular to a kind of dielectrophoresis automobile tail gas purification system.
Background technology
With the development of social economy, the consumption of one side fossil energy and its pollutant discharge amount are constantly raised, another
Aspect, in order to more comfortably and healthily live, people are to clean environment degree requirement more and more higher.In order to tackle the ring that high pollution brings
Border problem, discharge of the country to vehicle exhaust proposes more stringent requirement.In order to realize the exhaust emissions of lower concentration,
There are emission controls by improving combustion and two kinds of approach of external purification at present, emission controls by improving combustion is the growing amount for reducing pernicious gas, in vehicle exhaust row
Before entering air, innocuous gas are translated into using catalytic convention design；External purification is to being processed through row after discharge waste gas
Purification, such as using air injection, oxidized form reactor and three-effect catalysis reactor method.But these methods both for NOx,
The purified treatment that HC, CO are done, there is presently no the collection device to PM in vehicle exhaust (particulate matter).
The content of the invention
In order to overcome defect present in above-mentioned prior art, it is an object of the invention to provide a kind of dielectrophoresis car tail
Gas cleaning system, the unit can be effectively filtered out to little particle, the particulate matter that can particularly enter lung.
In order to realize above-mentioned purpose of the invention, the invention provides a kind of dielectrophoresis automobile tail gas purification system, bag
Inlet cylinder, gas outlet, at least one three-way catalytic converter are included, also including DEP purifying processors, the DEP purifying processors
Including the housing with air inlet and gas outlet, the case inside is provided with bindiny mechanism, the bindiny mechanism is detachable
Ground connection DEP purifying electric pole plates, the DEP purifying electrics pole plate is rollable and is curled into the shape that side is helix, its formation
Stratiform space be fluid passage, the fluid passage is parallel or substantially parallel with airintake direction, the DEP purifying electric pole plates
One or both sides are laid with DEP purified treatment electrodes, and the DEP purified treatments electrode includes anode part and cathode portion, institute
State anode part and cathode portion be interspersed, the anode part by anodic cycle repeat form, the cathode portion by
Cathode deposition period repeats to form, and one anode and a negative electrode constitute a DEP electrode structure.
Electric field is formed around dielectrophoresis automobile tail gas purification system DEP purifying electric pole plates of the invention, using electrophoretic force
Little particle, the particulate matter that can particularly enter lung can effectively be adsorbed.
Preferably, the DEP electrode structures include anode and negative electrode, and the anode has first anode face, the negative electrode
With the first cathode plane, the first anode face is oppositely arranged with the first cathode plane, and the first anode face has at least one
Anode protuberance, the top of the anode protuberance protrudes from the non-adjacent protuberance portion in the coupled first anode face
Point, first anode face region between two adjacent anode protuberance tops is not in one plane and section is non-rectangle, described
First cathode plane has at least one negative electrode protuberance, and the top of the negative electrode protuberance protrudes from coupled described first
The non-adjacent protuberance part of cathode plane, the first cathode plane region between two neighbouring cathode protuberance tops is not in a plane
Upper and section is non-rectangle.
This electrode structure can provide big electrophoretic force, so as to little particle, the particulate matter that can particularly enter lung is carried out
Effectively absorption.
Preferably, the first anode face region between the two adjacent anodes protuberance top is cylinder, sphere, ellipsoid
Face, curved section move the cambered surface to be formed or be connected by a plurality of curved section after the cambered surface that is formed of movement, and by straightway and/or song
Line segment mobile cambered surface for being formed after being connected；The first cathode plane region between the two neighbouring cathodes protuberance top is cylinder,
Sphere, ellipsoid, curved section moves the cambered surface to be formed or is connected the cambered surface that movement formed by a plurality of curved section, and by straightway
And/or curved section is connected the mobile cambered surface for being formed.
Various moulding provide multiple choices to prepare.
Preferably, the section in the first anode face region between the two adjacent anodes protuberance top is semicircle；Institute
The section for stating the first cathode plane region between two neighbouring cathode protuberance tops is semicircle.
It is further preferred that the anode protuberance top just pair and its two closest negative electrode protuberance between first
The part that cathode plane region is most recessed；The negative electrode protuberance top is just pair and its two closest anode protuberance between
The part that first anode face region is most recessed.
So as to enough provide big electrophoretic force, to little particle, the particulate matter that can particularly enter lung is effectively adsorbed.
Preferably, the anode has anode second surface, the anode second surface and first anode face shape
Identical or different, the anode second surface is symmetrical or asymmetric with the first anode face；The negative electrode has negative electrode
Two surfaces, the negative electrode second surface is identical or different with the first cathode plane shape, the negative electrode second surface with it is described
First cathode plane is symmetrical or asymmetric.
Various moulding provide multiple choices to prepare.Various sizes of particulate matter can also effectively be filtered simultaneously
Remove.
Preferably, the distance of the two adjacent anodes protuberance is S1, and the distance of the two neighbouring cathodes protuberance is S2,
More than 0 and less than or equal to 10*S3, described S1, S2 are positive number to the distance of the negative electrode and anode, the S3 be in S1 and S2 compared with
Big person.
Guarantee has sufficiently large electrophoretic force.
Preferably, the DEP electrode structures include anode and negative electrode, and the anode has back to the first anode face for setting
With second plate face, the negative electrode has back to the first cathode plane and the second cathode plane for setting, the first anode face and the
One cathode plane is oppositely arranged, and at least one anode protuberance is also included on the first anode face, and the anode protuberance is by phase
Mutually vertical or subvertical anode leader is constituted with anode extension portion, anode extension portion with anode leader Vertical Square
Upward size is more than coupled anode leader size in this direction, anode protuberance both sides be anode it is empty every
Area；
Also include at least one negative electrode protuberance on first cathode plane, the negative electrode protuberance by being mutually perpendicular to or
Subvertical negative electrode lead division and extended cathode portion constitute, extended cathode portion with negative electrode lead division vertical direction on size
More than coupled negative electrode lead division size in this direction, negative electrode protuberance both sides are negative electrode sky septal area；
In the negative electrode sky septal area that the anode protuberance is deep into corresponding thereto and it is not in contact with negative electrode protuberance, it is described
In the anode sky septal area that negative electrode protuberance is deep into corresponding thereto and it is not in contact with anode protuberance.
This electrode structure can provide big electrophoretic force, so as to little particle, the particulate matter that can particularly enter lung is carried out
Effectively absorption.
Preferably, the anode leader is cuboid, square, spheroid or spheroid, or by limited bar straightway
And/or curved section join end to end after the mobile solid for being formed；The negative electrode lead division is cuboid, square, spheroid or ellipse
Spheroid, or the solid that movement is formed after being joined end to end by limited bar straightway and/or curved section.
The anode extension portion is cuboid, square, spheroid or spheroid, or by limited bar straightway and/or song
Line segment mobile solid for being formed after joining end to end；The extended cathode portion be cuboid, square, spheroid or spheroid, or
It is the mobile solid for being formed after being joined end to end by limited bar straightway and/or curved section.
Various moulding provide multiple choices to prepare.
Preferably, the anode has second plate face, and the second plate face is identical with first anode face shape
Or it is different, the second plate face is symmetrical or asymmetric with the first anode face；The negative electrode has the second cathode plane, institute
State the second cathode plane identical or different with the first cathode plane shape, second cathode plane is symmetrical with first cathode plane
Or it is asymmetric.
Various moulding provide multiple choices to prepare.Various sizes of particulate matter can also effectively be filtered simultaneously
Remove.
Preferably, the anode extension portion is L1, the negative electrode along the full-size perpendicular to the direction of anode leader
Extension is L2 along the full-size perpendicular to the direction of negative electrode lead division, and the anode extension portion is more than 0 with the distance of negative electrode
And less than or equal to 10*L3, the L1 is positive number, the L2 is positive number, and the L3 is the greater in L1 and L2, the L1=m*
L2, the m are positive number.
Guarantee has sufficiently large electrophoretic force.
Preferably, the L1=L2.So that preparing simpler.
Preferably, the DEP electrode structures include anode and negative electrode, and the anode has back to the first anode face for setting
With second plate face, the negative electrode has back to the first cathode plane and the second cathode plane for setting, the first anode face and the
One cathode plane is oppositely arranged；
Also include at least one anode protuberance on the first anode face, on section, in anode described in width
The size of protuberance the widest part is K1, is degree α × K1, described K1, α in the size of anode protuberance most strong point described in length direction
It is positive number, the anode protuberance both sides are anode sky septal area near the region in first anode face；
Also include at least one negative electrode protuberance on first cathode plane, on section, in negative electrode described in width
The size of protuberance the widest part is K2, is degree β × K2, described K2, β in the size of negative electrode protuberance most strong point described in length direction
It is positive number, the negative electrode protuberance both sides are negative electrode sky septal area near the region of the first cathode plane；
In the negative electrode sky septal area that the anode protuberance is deep into corresponding thereto and it is not in contact with negative electrode, the negative electrode is dashed forward
Go out in the anode sky septal area that portion is deep into corresponding thereto and be not in contact with anode, the anode protuberance is handed over negative electrode protuberance
Folded length thereof K3 meets 0 ＜ K3≤2 × K4, wherein, K4 is the greater in K1 and K2.
This electrode structure can provide big electrophoretic force, so as to little particle, the particulate matter that can particularly enter lung is carried out
Effectively absorption.
Preferably, the K1=K2,1 ＜ x≤4,1 ＜ y≤4.
Preferably, the x=y=2.
Preferably, the K3=K4.
Preferably, the anode and negative electrode at intervals of more than 0 and less than or equal to 4 × K4.
The anode protuberance is cuboid, square, spheroid or spheroid, or by limited bar straightway and/or song
Line segment mobile solid for being formed after joining end to end；The negative electrode protuberance be cuboid, square, spheroid or spheroid, or
It is the mobile solid for being formed after being joined end to end by limited bar straightway and/or curved section.
Preferably, the anode protuberance and negative electrode protuberance are cube.
Various moulding provide multiple choices to prepare.
Preferably, each anode part of adjacent two DEP purifying electrics pole plate opposite face and cathode portion just pair or
It is tiltedly right.
The DEP electrode structure distribution periods of adjacent two DEP purifying electrics pole plate opposite face are identical, and DEP purifying electrics pole plate is different
DEP electrode structure distribution periods between opposite face are identical or differ.
In the present embodiment, the bindiny mechanism is vertical with airintake direction or substantially vertical, has in the bindiny mechanism
There is through hole, the draw-in groove of zigzag shape distribution is provided with the bindiny mechanism, the draw-in groove is interrupted structure, the draw-in groove clamping
The DEP purifying electrics pole plate.So that polylith DEP purifying electric pole plates are fixedly attached in housing, catharsis is realized jointly.
Preferably, also there is cleaning door, the row of plane and DEP purifying electric pole plates where the cleaning door on the housing
Cloth plane is vertical, and the cleaning door is closed and opened by Valve controlling.
The removing that realization accumulates dust.
Preferably, the air inlet is connected by screw thread or buckle with inlet channel, and the gas outlet passes through screw thread or card
Button is connected with outlet passageway.So as to realize being connected with gas channel.
Additional aspect of the invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by practice of the invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the structural representation of automobile tail gas purification system of the present invention；
Fig. 2 is the structural representation of DEP purifying processors of the present invention；
Fig. 3 is the schematic diagram of electrode structure in the first preferred embodiment of the invention；
Fig. 4 is the schematic diagram of electrode structure in second preferred embodiment of the invention；
Fig. 5 is the schematic diagram of electrode structure in the third preferred embodiment of the invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, is only used for explaining the present invention, and is not considered as limiting the invention.
The invention provides a kind of dielectrophoresis automobile tail gas purification system, as shown in figure 1, it includes inlet cylinder 01, goes out
Inflator 04, at least one three-way catalytic converter 02, also including DEP purifying processors 03, in the present embodiment, DEP purifications
The front end that processor 03 may be located at three-way catalytic converter 02 can also be located at its rear end.
As shown in Fig. 2 DEP purifying processors include the housing with air inlet and gas outlet, it is provided with case inside
Bindiny mechanism, the detachably connected DEP purifying electrics pole plate 035 of bindiny mechanism, DEP purifying electric pole plates are rollable and are curled into side
It is the shape of helix, the stratiform space that it is formed is fluid passage 036, the fluid passage 036 of DEP purifying electric pole plates and air inlet
Direction is parallel or substantially parallel, and the one or both sides of DEP purifying electric pole plates are laid with DEP purified treatment electrodes, DEP purified treatments
Electrode includes anode part and cathode portion, and anode part and cathode portion are interspersed, and anode part is by anodic cycle weight
Form again, cathode portion is repeated to form by cathode deposition period, an anode and a negative electrode constitute a DEP electrode structure.
Housing and bindiny mechanism are not shown in Fig. 2, specific housing may be configured as tubular, its air inlet and gas outlet are divided
Not Wei Yu DEP purifying electrics pole plate 03 two ends, make gas according in figure arrow direction flow.
In the present embodiment, bindiny mechanism is vertical with airintake direction or substantially vertical, has through hole in bindiny mechanism, even
The draw-in groove of zigzag shape distribution is provided with connection mechanism, draw-in groove is interrupted structure, i.e., discontinuously, draw-in groove clamping DEP purged electrodes
Plate.Bindiny mechanism can be one, or two in relative direction.And polylith DEP purifying electric pole plates is firmly pacified
In housing, catharsis is realized jointly.
Preferably, also there is cleaning door, the plane where cleaning door is hung down with the alignment plane of DEP purifying electric pole plates on housing
Directly, cleaning door is closed and opened by Valve controlling.The removing that realization accumulates dust.
Preferably, air inlet is connected by screw thread or buckle with inlet channel, and gas outlet passes through screw thread or buckle and outlet
Passage is connected.So as to realize being connected with gas channel.
In the present embodiment, power supply connector, anode part and the moon on DEP purifying electric pole plates are additionally provided with housing
Pole part is connected by power supply connector with external power source.
In the first preferred embodiment of the invention, the electrode structure of use, as shown in figure 3, it includes anode 1 and the moon
Pole 2, wherein, anode 1 has first anode face 3, and negative electrode 2 has the first cathode plane 4, first anode face 3 and the phase of the first cathode plane 4
To setting.First anode face 3 has an at least one anode protuberance 5, and the top of anode protuberance 5 protrudes from coupled the
The non-adjacent protuberance part of one anode surface 3, in the present embodiment, anode protuberance 3 is arbitrary shape in addition to a rectangle,
It is preferred that the arc for having two depressions as shown in Figure 3 connects the shape to be formed, the top of anode protuberance can have any shape,
It is specifically as follows but is not limited to plane, cambered surface or spininess, it is preferred to use spininess.
As shown in figure 3, the first anode face region between the top of two adjacent anode protuberance 3 in one plane and is not cutd open
Face is arbitrary shape in addition to a rectangle, the first anode face region between two adjacent anode protuberance tops be specifically as follows but
Be not limited to cylinder, sphere, ellipsoid, curved section move the cambered surface to be formed or be connected by a plurality of curved section after the arc that is formed of movement
Face, and by straightway and/or the curved section cambered surface that movement is formed after connected.In a more preferred embodiment of the present invention
In, the section in the first anode face region between two adjacent anode protuberance tops is semicircle.
First cathode plane 4 has an at least one negative electrode protuberance 6, and the top of negative electrode protuberance 6 protrudes from coupled
The non-adjacent protuberance part of the first cathode plane 4, in the present embodiment, negative electrode protuberance 4 is arbitrary shape in addition to a rectangle
Shape, the arc for preferably having two depressions as shown in Figure 3 connects the shape to be formed, and the top of negative electrode protuberance can be arbitrary shape
Shape, is specifically as follows but is not limited to plane, cambered surface or spininess, it is preferred to use spininess.
As shown in figure 3, the first cathode plane region between two neighbouring cathode protuberance tops in one plane and is not cutd open
Face is non-rectangle, i.e., arbitrary shape in addition to a rectangle, the first cathode plane region tool between two neighbouring cathode protuberance tops
Body can be but be not limited to cylinder, sphere, ellipsoid, and curved section moves the cambered surface to be formed or moved after being connected by a plurality of curved section
The dynamic cambered surface for being formed, and by straightway and/or the curved section cambered surface that movement is formed after connected.It is more preferred in the present invention one
Implementation method in, the section in the first anode face region between two neighbouring cathode protuberance tops is semicircle.
In the present embodiment, the distance of two adjacent anode protuberances is S1, and the distance of two neighbouring cathode protuberances is S2,
The negative electrode is more than 0 and less than or equal to 10*S3 with the distance of anode, and described S1, S2 are positive number, and S3 is larger in S1 and S2
Person, S1 and S2 are micron to millimeter magnitude.
In the other preferred embodiment of the present invention, anode protuberance 5 is in the periodic distribution of first anode face 3, negative electrode
Protuberance 6 be able to can also be differed in the periodic distribution of the first cathode plane 4, both distribution periods with identical, it is preferable that anode
Distribution period of the protuberance in first anode face is identical in the distribution period of the first cathode plane with negative electrode protuberance.Anode and negative electrode
Form the relative waveform set up to rise and fall, material can be between anode and negative electrode and anode circulates with cathode surface.
In a kind of more preferred implementation method of the present invention, the top of anode protuberance 5 just pair closest with it two
The part that the first cathode plane region between negative electrode protuberance 6 is most recessed；The top of negative electrode protuberance 6 is just pair closest with it
The part that first anode face region between two anode protuberances 5 is most recessed.
In embodiments, anode has anode second surface, and the anode second surface is identical with first anode face shape
Or it is different, it is preferred to use identical structure, anode second surface and first anode face can symmetrically can also be asymmetric, preferably adopt
Use asymmetric structure, more preferably using two sides anode protuberance differing distribution half period.Negative electrode also has negative electrode
Second surface, negative electrode second surface is identical or different with the first cathode plane shape, it is preferred to use identical structure, the table of negative electrode second
Face and the first cathode plane can symmetrically can also be asymmetric, it is preferred to use asymmetric structure, more preferably using the moon on two sides
The differing distribution half period of pole protuberance.
In the second preferred embodiment of the invention, electrode structure as shown in figure 4, it includes anode 10 and negative electrode 20,
Wherein, anode 1 has back to the first anode face 11 and second plate face 12 for setting, and in the present embodiment, selectes with reference to seat
The positive direction of graticule, refers to a positive direction for the normal direction point coordinates line in face, the normal side in another face back to setting
To the negative direction of point coordinates line.Equally, negative electrode 2 has back to the first cathode plane 21 and the second cathode plane 22 for setting.Such as Fig. 4
Shown, first anode face 11 is oppositely arranged with the first cathode plane 21.
Also include at least one anode protuberance on first anode face 11, the anode protuberance is by being mutually perpendicular to or approaching
Vertical anode leader 13 is constituted with anode extension portion 14, and in the present embodiment, close is vertically because preparation technology is deposited
Cause in error.Anode extension portion 14 is being more than coupled anode with the size L1 in the vertical direction of anode leader 13
The size P1 in this direction of lead division 13, anode protuberance both sides are anode sky septal area, when anode protuberance more than two,
It is anode sky septal area between adjacent two anodes protuberance.
Also include at least one negative electrode protuberance on first cathode plane 21, the negative electrode protuberance is by being mutually perpendicular to or approaching
Vertical negative electrode lead division 23 is constituted with extended cathode portion 24, extended cathode portion 24 with the vertical direction of negative electrode lead division 23 on
Size is more than coupled negative electrode lead division 23 size in this direction, and negative electrode protuberance both sides are anode sky septal area, when
It is negative electrode sky septal area during negative electrode protuberance more than two, between adjacent two negative electrodes protuberance.
In the present embodiment, in the negative electrode sky septal area that anode protuberance is deep into corresponding thereto and with negative electrode protuberance not
It is in contact, in the anode sky septal area that negative electrode protuberance is deep into corresponding thereto and is not in contact with anode protuberance.
Structure by setting anode and negative electrode of the invention, improves the electrophoretic force that particle is subject in the electric field, can be right
The particulate matter that lung can be entered is effectively filtered out.
In the present embodiment, anode protuberance is in first anode face periodic distribution.Negative electrode protuberance is in the first negative electrode
Face periodic distribution.In a more preferred implementation method of the invention, distribution of the anode protuberance in first anode face
Cycle is identical in the distribution period of the first cathode plane with negative electrode protuberance.So as to reduce the complexity of structure, it is more easy to prepare.
In the present embodiment, anode leader 13 can be any moulding, be specifically as follows but be not limited to cuboid, just
Move the geometry for being formed in cube, spheroid or spheroid, or the face for being formed that joined end to end by limited bar straightway and/or curved section
Body.Negative electrode lead division 23 can also be any moulding, be specifically as follows but be not limited to cuboid, square, spheroid or ellipsoid
Move the solid for being formed in body, or the face for being formed that joined end to end by limited bar straightway and/or curved section.
In the present embodiment, anode extension portion 14 can be any moulding, be specifically as follows but be not limited to cuboid, just
Move the geometry for being formed in cube, spheroid or spheroid, or the face for being formed that joined end to end by limited bar straightway and/or curved section
Body.Extended cathode portion 24 is cuboid, square, spheroid or spheroid, or by limited bar straightway and/or curved section from beginning to end
Move the solid to be formed in the face being connected to form.Various moulding provide multiple choices to prepare.
In the present embodiment, anode has second plate face 12, second plate face 12 and the shape phase of first anode face 11
It is same or different, it is preferred to use identical structure, second plate face 12 is symmetrical with first anode face 11 or asymmetric, it is preferred to use
Symmetric design.
Negative electrode has the second cathode plane 22, and the second cathode plane 22 is identical or different with the shape of the first cathode plane 21, preferably adopts
Identical structure is used, the second cathode plane 22 is symmetrical or asymmetric with the first cathode plane 21, it is preferred to use symmetric design.
Preferably, anode extension portion is L1, extended cathode portion edge along the full-size perpendicular to the direction of anode leader
Full-size perpendicular to the direction of negative electrode lead division is L2, and anode extension portion is more than 0 and less than or equal to 10* with the distance of negative electrode
L3, L1 are positive number, and L2 is positive number, and L3 is the greater in L1 and L2, and L1=m*L2, m are positive number.Guarantee has sufficiently large electrophoresis
Power.
Preferably, L1=L2.So that preparing simpler.
P1 and L1, L2 are micron to millimeter magnitude.
In the 3rd preferred embodiment of the invention, electrode structure as shown in figure 5, it includes anode 1 and negative electrode 2, its
In, anode 1 has back to the first anode face 11 and second plate face 12 for setting, and in the present embodiment, selectes reference coordinate
The positive direction of line, refers to a positive direction for the normal direction point coordinates line in face, the normal direction in another face back to setting
The negative direction of point coordinates line.Equally, negative electrode 2 has back to the first cathode plane 21 and the second cathode plane 22 for setting.Such as Fig. 5 institutes
Show, first anode face 11 is oppositely arranged with the first cathode plane 21.
Also include at least one anode protuberance 15, on section, i.e., face shown in Fig. 5, in width on first anode face
On direction, the size of the widest part of anode protuberance 15 is K1, and in the longitudinal direction, the size of the most strong point of anode protuberance 15 is degree
α × K1, wherein, K1, α are positive number, and the both sides of anode protuberance 15 are anode sky septal area near the region in first anode face, work as sun
It is anode sky septal area during 15 more than two of protuberance of pole, between adjacent two anodes protuberance 15.
Also include at least one negative electrode protuberance 25, on section, i.e., face shown in Fig. 5, in width on first cathode plane
On direction, the size of the widest part of negative electrode protuberance 14 is K2, and in the longitudinal direction, the size of negative electrode protuberance most strong point is degree β
× K2, wherein, K2, β are positive number, and the both sides of negative electrode protuberance 25 are negative electrode sky septal area near the region of the first cathode plane, work as negative electrode
It is anode sky septal area during 25 more than two of protuberance, between adjacent two negative electrodes protuberance 25.
In the negative electrode sky septal area that anode protuberance 15 is deep into corresponding thereto and it is not in contact with negative electrode, negative electrode protuberance depth
Enter in anode sky septal area corresponding thereto and be not in contact with anode protuberance, anode protuberance is overlapped with negative electrode protuberance
Length thereof K3 meets 0 ＜ K3≤2 × K4, wherein, K4 is the greater in K1 and K2.
Structure by setting anode and negative electrode of the invention, improves the electrophoretic force that particle is subject in the electric field, can be right
The particulate matter that lung can be entered is effectively filtered out.
In the present embodiment, in the periodic distribution of first anode face 11, negative electrode protuberance 25 is for anode protuberance 15
The periodic distribution of one cathode plane 21.In the more preferred implementation method of the present invention, anode protuberance 15 is in first anode face 11
Distribution period it is identical in the distribution period of the first cathode plane 21 with negative electrode protuberance 25.So as to reduce the complexity of structure, more
Easily prepare.
In the present embodiment, K1=K2,1 ＜ x≤4,1 ＜ y≤4, anode and negative electrode at intervals of more than 0 and less than etc.
In 4 × K4.
It is further preferred that x=y=2.
It is further preferred that K3=K4.
In the present embodiment, K1 and K2 is micron to millimeter magnitude.
So as to ensure the electrophoretic force that particle is subject in the electric field, the particulate matter that pair can enter lung is effectively filtered out.
In the present embodiment, anode protuberance 15 is cuboid, square, spheroid or spheroid, or by limited bar
Straightway and/or the curved section mobile solid for being formed after joining end to end.Negative electrode protuberance 25 is cuboid, square, spheroid
Or spheroid, or the solid that movement is formed after being joined end to end by limited bar straightway and/or curved section.Various moulding are system
It is standby to provide multiple choices.
Preferably, the anode protuberance and negative electrode protuberance are cube.This structure preparation process is simple, and improve
The electrophoretic force that particle is subject in the electric field, the particulate matter that pair can enter lung is effectively filtered out.
In the present embodiment, anode has second plate face 12, second plate face 12 and the shape phase of first anode face 11
With or it is different, in the other preferred embodiment of the present invention, second plate face 12 differed with the shape of first anode face 11 or
It is different, it is preferred to use identical structure, second plate face 12 is symmetrical with first anode face 11 or asymmetric, it is preferred to use symmetrical
Design.
Negative electrode has the second cathode plane 22, and the second cathode plane 22 is identical with the shape of the first cathode plane 21, the second cathode plane 22
It is symmetrical or asymmetric with the first cathode plane 21, it is preferred to use symmetric design.
It should be noted that DEP purifying electric pole plates are non-conductive in itself, anode part and cathode portion are respectively at power supply thereon
Anode is connected with negative electrode.
It should be noted that the voltage magnitude and frequency in the present invention not to positive source and power cathode are limited
It is fixed, can specifically be selected using the system of selection of the amplitude and frequency that generally use in the prior art, do not do excessive herein
Repeat.
Although also, it should be noted that being only referred to dedusting, art technology in background technology of the invention
Personnel it is not intended that this is limitation of the present invention, in other technologies field, such as bio-separation field, the huge sum of money in liquid
Category isolation technics, and soil sanitation field, as long as using the electrode structure of identical with the present invention or obvious deformation, still in this hair
Within bright protection domain.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.And, the specific features of description, structure, material or feature can be any
One or more embodiments or example in combine in an appropriate manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
Can these embodiments be carried out with various changes, modification, replacement and modification in the case of departing from principle of the invention and objective, this
The scope of invention is limited by claim and its equivalent.
Claims (13)
1. a kind of dielectrophoresis automobile tail gas purification system, it is characterised in that including inlet cylinder, gas outlet, at least one ternary
Catalytic converter, also including DEP purifying processors, the DEP purifying processors include the housing with air inlet and gas outlet,
Also there is cleaning door on the housing, the case inside is provided with bindiny mechanism, the bindiny mechanism is detachably connected
DEP purifying electric pole plates, the DEP purifying electrics pole plate is rollable and is curled into the shape that side is helix, its stratiform for being formed
Space is fluid passage, and the fluid passage is parallel or substantially parallel with airintake direction, the one side of the DEP purifying electric pole plates or
Two sides is laid with DEP purified treatment electrodes, and the DEP purified treatments electrode includes anode part and cathode portion, the anode
Part and cathode portion are interspersed, and the anode part is repeated to form by anodic cycle, and the cathode portion is by negative electrode week
Phase property repeats to form, and an anode and a negative electrode constitute a DEP electrode structure；
The DEP electrode structures are using one of following three kinds of structures：
Structure one：The DEP electrode structures include anode and negative electrode, and the anode has first anode face, and the negative electrode has
First cathode plane, the first anode face is oppositely arranged with the first cathode plane, and the first anode face has at least one anode
Protuberance, the top of the anode protuberance protrudes from the adjacent non-projecting portion part in the coupled first anode face,
First anode face region between two adjacent anode protuberance tops is not in one plane and section is non-rectangle, described first
Cathode plane has at least one negative electrode protuberance, and the top of the negative electrode protuberance protrudes from coupled first negative electrode
The adjacent non-projecting portion part in face, the first cathode plane region between two neighbouring cathode protuberance tops not in one plane and
Section is non-rectangle, and the anode protuberance top is just pair and the first cathode plane between its two closest negative electrode protuberance
The part that region is most recessed；First sun of the negative electrode protuberance top just pair and its two closest anode protuberance between
The part that pole-face region is most recessed；
Structure two：The DEP electrode structures include anode and negative electrode, and the anode has back to the first anode face for setting and the
Two anode surfaces, the negative electrode has back to the first cathode plane and the second cathode plane for setting, and the first anode face is cloudy with first
Pole-face is oppositely arranged, and at least one anode protuberance is also included on the first anode face, and the anode protuberance is by mutually hanging down
Straight or subvertical anode leader is constituted with anode extension portion, anode extension portion with anode leader vertical direction on
Size be more than coupled anode leader size in this direction, anode protuberance both sides be anode sky septal area；
Also include at least one negative electrode protuberance on first cathode plane, the negative electrode protuberance is by being mutually perpendicular to or approaching
Vertical negative electrode lead division is constituted with extended cathode portion, and extended cathode portion is more than with the size in negative electrode lead division vertical direction
Coupled negative electrode lead division size in this direction, negative electrode protuberance both sides are negative electrode sky septal area；
In the negative electrode sky septal area that the anode protuberance is deep into corresponding thereto and it is not in contact with negative electrode protuberance, the negative electrode
In the anode sky septal area that protuberance is deep into corresponding thereto and it is not in contact with anode protuberance；
Structure three：The DEP electrode structures include anode and negative electrode, and the anode has back to the first anode face for setting and the
Two anode surfaces, the negative electrode has back to the first cathode plane and the second cathode plane for setting, and the first anode face is cloudy with first
Pole-face is oppositely arranged；
Also include at least one anode protuberance on the first anode face, on section, protruded in anode described in width
The size of portion's the widest part is K1, is degree α × K1 in the size of anode protuberance most strong point described in length direction, and described K1, α are just
Number, the anode protuberance both sides are anode sky septal area near the region in first anode face；
Also include at least one negative electrode protuberance on first cathode plane, on section, protruded in negative electrode described in width
The size of portion's the widest part is K2, is degree β × K2 in the size of negative electrode protuberance most strong point described in length direction, and described K2, β are just
Number, the negative electrode protuberance both sides are negative electrode sky septal area, 1 ＜ α≤4,1 ＜ β≤4 near the region of the first cathode plane；
In the negative electrode sky septal area that the anode protuberance is deep into corresponding thereto and it is not in contact with negative electrode, the negative electrode protuberance
It is deep into anode sky septal area corresponding thereto and is not in contact with anode, the anode protuberance is overlapped with negative electrode protuberance
Length thereof K3 meets 0 ＜ K3≤2 × K4, wherein, K4 is the greater in K1 and K2.
2. dielectrophoresis automobile tail gas purification system as claimed in claim 1, it is characterised in that when the DEP electrode structures
Using structure for the moment, the first anode face region between the two adjacent anodes protuberance top is cylinder, curved section movement shape
Into cambered surface or the cambered surface that is formed of movement after being connected by a plurality of curved section, or by straightway and/or curved section it is connected after move
The cambered surface of formation；
The first cathode plane region between the two neighbouring cathodes protuberance top is cylinder, curved section move the cambered surface to be formed or
It is connected the cambered surface that is formed of movement by a plurality of curved section, or is connected by straightway and/or curved section and moves the cambered surface for being formed；
The distance of the two adjacent anodes protuberance is S1, and the distance of the two neighbouring cathodes protuberance is S2, the negative electrode with
More than 0 and less than or equal to 10*S3, described S1, S2 are positive number to the distance of anode, and the S3 is the greater in S1 and S2.
3. dielectrophoresis automobile tail gas purification system as claimed in claim 2, it is characterised in that two adjacent anode is protruded
First anode face region between portion top is sphere；
The first cathode plane region between the two neighbouring cathodes protuberance top is sphere.
4. dielectrophoresis automobile tail gas purification system as claimed in claim 3, it is characterised in that two adjacent anode is protruded
First anode face region between portion top is ellipsoid；
The first cathode plane region between the two neighbouring cathodes protuberance top is ellipsoid.
5. dielectrophoresis automobile tail gas purification system as claimed in claim 1, it is characterised in that when the DEP electrode structures
During using structure two, the mobile geometry for being formed after the anode leader is limited bar straightway and/or curved section joins end to end
Body；The mobile solid for being formed after the negative electrode lead division is limited bar straightway and/or curved section joins end to end；The anode
The mobile solid for being formed after extension is limited bar straightway and/or curved section joins end to end；The extended cathode portion is have
Limit bar straightway and/or the curved section mobile solid for being formed after joining end to end；
The anode extension portion is L1 along the full-size perpendicular to the direction of anode leader, and the extended cathode portion is along vertical
Full-size in the direction of negative electrode lead division is L2, and the anode extension portion is more than 0 and less than or equal to 10* with the distance of negative electrode
L3, the L1 are positive number, and the L2 is positive number, and the L3 is the greater in L1 and L2, and the L1=m*L2, the m are for just
Number.
6. dielectrophoresis automobile tail gas purification system as claimed in claim 5, it is characterised in that the anode leader is length
Cube or spheroid；The negative electrode lead division is cuboid or spheroid；The anode extension portion is cuboid or spheroid；The negative electrode
Extension is cuboid or spheroid.
7. dielectrophoresis automobile tail gas purification system as claimed in claim 6, it is characterised in that the anode leader is for just
Cube or spheroid；The negative electrode lead division is square or spheroid；The anode extension portion is square or spheroid；Institute
Extended cathode portion is stated for square or spheroid.
8. dielectrophoresis automobile tail gas purification system as claimed in claim 1, it is characterised in that when the DEP electrode structures
During using structure three, the K1=K2；
The anode is with negative electrode at intervals of more than 0 and less than or equal to 4 × K4；
The mobile solid for being formed after the anode protuberance is limited bar straightway and/or curved section joins end to end；Described the moon
The mobile solid for being formed after pole protuberance is limited bar straightway and/or curved section joins end to end.
9. dielectrophoresis automobile tail gas purification system as claimed in claim 8, it is characterised in that
The anode protuberance is cuboid or spheroid；The negative electrode protuberance is cuboid or spheroid.
10. dielectrophoresis automobile tail gas purification system as claimed in claim 9, it is characterised in that
The anode protuberance is square or spheroid；The negative electrode protuberance is square or spheroid.
11. dielectrophoresis automobile tail gas purification systems as claimed in claim 1, it is characterised in that the anode has second
Anode surface, the second plate face is identical or different with first anode face shape, the second plate face and described first
Anode surface is symmetrical or asymmetric；The negative electrode has the second cathode plane, second cathode plane and the first cathode plane shape
Shape is identical or different, and second cathode plane is symmetrical or asymmetric with first cathode plane.
12. dielectrophoresis automobile tail gas purification systems as claimed in claim 1, it is characterised in that adjacent two DEP purged electrodes
Each anode part of plate opposite face and a cathode portion are just pair or tiltedly right；
The DEP electrode structure distribution periods of adjacent two DEP purifying electrics pole plate opposite face are identical, and DEP purifying electrics pole plate is different relative
DEP electrode structure distribution periods between face are identical or differ.
13. dielectrophoresis automobile tail gas purification systems as claimed in claim 1, it is characterised in that the bindiny mechanism with enter
Gas direction is vertical or substantially vertical, has through hole in the bindiny mechanism, and zigzag shape distribution is provided with the bindiny mechanism
Draw-in groove, the draw-in groove be interrupted structure, DEP purifying electric pole plates described in the draw-in groove clamping；
Plane where the cleaning door is vertical or is approximately perpendicular to the outgassing direction of DEP purifying electric pole plates, and the cleaning door leads to
Valve controlling is crossed to close and open.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410421058.3A CN104179551B (en) | 2014-08-22 | 2014-08-22 | Dielectrophoresis automotive exhaust purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410421058.3A CN104179551B (en) | 2014-08-22 | 2014-08-22 | Dielectrophoresis automotive exhaust purification system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104179551A CN104179551A (en) | 2014-12-03 |
| CN104179551B true CN104179551B (en) | 2017-05-24 |
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| CN201410421058.3A Expired - Fee Related CN104179551B (en) | 2014-08-22 | 2014-08-22 | Dielectrophoresis automotive exhaust purification system |
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| CN (1) | CN104179551B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7198702B1 (en) * | 1999-09-30 | 2007-04-03 | Wako Pure Chemical Industries, Ltd. | Method for separating substances using dielectrophoretic forces |
| DE10026696A1 (en) * | 2000-05-30 | 2001-12-20 | Emitec Emissionstechnologie | Particle trap |
| US7169282B2 (en) * | 2003-05-13 | 2007-01-30 | Aura Biosystems Inc. | Dielectrophoresis apparatus |
| US20060260944A1 (en) * | 2005-05-19 | 2006-11-23 | The Regents Of The University Of California | Method and apparatus for dielectrophoretic separation |
| CN201090273Y (en) * | 2007-11-05 | 2008-07-23 | 重庆瑞卡科技有限公司 | Exhaust cleaning device for vehicle engine |
| CN103285703A (en) * | 2013-06-20 | 2013-09-11 | 任敏 | High-voltage electrostatic plasma oil smoke purifier for continuous woven belt dyeing machine |
| CN103485864B (en) * | 2013-10-09 | 2016-03-02 | 北京上派环境科技有限公司 | A kind of dielectrophoresis automobile tail dust remover |
| CN203515736U (en) * | 2013-10-09 | 2014-04-02 | 内蒙古上派环境科技有限公司 | Dielectrophoresis vehicle exhaust dust removal assembly |
| CN204152597U (en) * | 2014-08-22 | 2015-02-11 | 成都代代吉前瞻科技股份有限公司 | A kind of new and effective dielectrophoresis automobile tail gas purification system |
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2014
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| CN104179551A (en) | 2014-12-03 |
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