CN104179551A - High-efficiency dielectrophoresis automotive exhaust purification system - Google Patents
High-efficiency dielectrophoresis automotive exhaust purification system Download PDFInfo
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- CN104179551A CN104179551A CN201410421058.3A CN201410421058A CN104179551A CN 104179551 A CN104179551 A CN 104179551A CN 201410421058 A CN201410421058 A CN 201410421058A CN 104179551 A CN104179551 A CN 104179551A
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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, relate to a kind of can Purge gas, the device of solid or liquid, be specifically related to a kind of efficient dielectrophoresis automobile tail gas purification system.
Background technique
Along with socioeconomic development, consumption and the pollutant discharge amount thereof of fossil energy constantly raise on the one hand, and on the other hand, in order more to live, people require more and more higher to clean environment degree healthiness.The environmental problem of bringing in order to tackle high pollution, country has proposed more and more stricter requirement to the discharge of vehicle exhaust.In order to realize the exhaust emissions of lower concentration, there are at present two kinds of approach of emission controls by improving combustion and external purification, emission controls by improving combustion is the growing amount that reduces harmful gas, before vehicle exhaust enters atmosphere, utilizes catalytic convention design to be translated into innocuous gas; External purification be to after discharging waste gas through row treatment and purification, the methods such as air sprays as adopted, oxidized form reactor and three-effect catalysis reactor.But these methods are all the purified treatment of doing for NOx, HC, CO, the gathering-device to PM in vehicle exhaust (particulate matter) not also at present.
Summary of the invention
In order to overcome the defect existing in above-mentioned prior art, the object of this invention is to provide a kind of efficient dielectrophoresis automobile tail gas purification system, this unit can be to granule, and the particulate matter that particularly can enter lung carries out effective filtering.
In order to realize above-mentioned purpose of the present invention, the invention provides a kind of efficient dielectrophoresis automobile tail gas purification system, comprise air induction mast, gas outlet, at least one three-way catalytic converter, also comprise DEP purifying processor, described DEP purifying processor comprises the housing with suction port and air outlet, be provided with bindiny mechanism in described housing inner side, described bindiny mechanism removably connects DEP purifying electric pole plate, described DEP purifying electric pole plate can be curling and be curled into the shape that side is helix, the stratiform space of its formation is fluid passage, described fluid passage or almost parallel parallel with airintake direction, the one or both sides of described DEP purifying electric pole plate are laid with DEP purified treatment electrode, described DEP purified treatment electrode comprises anode part and cathode portion, described anode part and cathode portion are interspersed, described anode part is repeated to form by anodic cycle, described cathode portion is repeated to form by cathode deposition period, a described anode and a DEP electrode structure of a negative electrode composition.
Efficient dielectrophoresis automobile tail gas purification system DEP purged electrode panel area of the present invention forms electric field, utilizes the electrophoretic force can be to granule, and the particulate matter that particularly can enter lung effectively adsorbs.
Preferably, described DEP electrode structure comprises anode and negative electrode, described anode has anode first surface, described negative electrode has negative electrode first surface, described anode first surface and negative electrode first surface are oppositely arranged, described anode first surface has at least one anode protuberance, the top of described anode protuberance protrudes from the non-adjacent protuberance part of coupled described anode first surface, anode first surface region between two adjacent anode protuberance tops not in one plane and section be non-rectangle, described negative electrode first surface has at least one negative electrode protuberance, the top of described negative electrode protuberance protrudes from the non-adjacent protuberance part of coupled described negative electrode first surface, negative electrode first surface region between two adjacent negative electrode protuberance tops not in one plane and section be non-rectangle.
Kind electrode structure can provide large electrophoretic force, thereby to granule, the particulate matter that particularly can enter lung effectively adsorbs.
Preferably, anode first surface region between described two adjacent anode protuberance tops is cylinder, sphere, ellipsoid, curved section move the cambered surface of formation or be connected by many curved sections after the mobile cambered surface forming, and move the cambered surface forming after being connected by straightway and/or curved section; Negative electrode first surface region between described two adjacent negative electrode protuberance tops is cylinder, sphere, ellipsoid, curved section moves the cambered surface of formation or is connected and is moved the cambered surface forming by many curved sections, and is connected and is moved the cambered surface forming by straightway and/or curved section.
Multiplely be shaped to preparation multiple choices are provided.
Preferably, the cross section in the anode first surface region between described two adjacent anode protuberance tops is semicircle; The cross section in the negative electrode first surface region between described two adjacent negative electrode protuberance tops is semicircle.
More preferably, described anode protuberance top just to and its two nearest negative electrode protuberances between the part that caves in most of negative electrode first surface region; Described negative electrode protuberance top just to and its two nearest anode protuberances between the part that caves in most of anode first surface region.
Thereby large electrophoretic force is enough provided, and to granule, the particulate matter that particularly can enter lung effectively adsorbs.
Preferably, described anode has anode second surface, and described anode second surface and described anode first surface shape are identical or different, and described anode second surface and described anode first surface are symmetrical or asymmetric; Described negative electrode has negative electrode second surface, and described negative electrode second surface and described negative electrode first surface shape are identical or different, and described negative electrode second surface and described negative electrode first surface are symmetrical or asymmetric.
Multiplely be shaped to preparation multiple choices are provided.Can also carry out effective filtering to the particulate matter of different size simultaneously.
Preferably, the distance of described two adjacent anode protuberances is S1, and the distance of described two adjacent negative electrode protuberances is S2, and the distance of described negative electrode and positive electrode is greater than 0 and be less than or equal to 10*S3, and described S1, S2 are positive number, and described S3 is the grater in S1 and S2.
Ensure enough large electrophoretic force.
Preferably, described DEP electrode structure comprises anode and negative electrode, described anode has back to the first anode face and the second plate face that arrange, described negative electrode has back to the first cathode plane and the second cathode plane that arrange, described first anode face and the first cathode plane are oppositely arranged, on described first anode face, also comprise at least one anode protuberance, described anode protuberance is by vertical or subvertical anode leader and anode extension portion form mutually, anode extension portion with anode leader Vertical direction on size be greater than coupled anode leader in the party's size upwards, anode protuberance both sides are the empty septal area of anode,
On described the first cathode plane, also comprise at least one negative electrode protuberance, described negative electrode protuberance is by vertical or subvertical negative electrode leading-out part and extended cathode portion form mutually, extended cathode portion with negative electrode leading-out part Vertical direction on size be greater than coupled negative electrode leading-out part in the party's size upwards, negative electrode protuberance both sides are the empty septal area of negative electrode;
Described anode protuberance is deep in the empty septal area of negative electrode corresponding thereto and does not contact with negative electrode protuberance, and described negative electrode protuberance is deep in the empty septal area of anode corresponding thereto and does not contact with anode protuberance.
Kind electrode structure can provide large electrophoretic force, thereby to granule, the particulate matter that particularly can enter lung effectively adsorbs.
Preferably, described anode leader is cuboid, square body, spheroid or spheroid, or the mobile solid forming after being joined end to end by limited straightway and/or curved section; Described negative electrode leading-out part is cuboid, square body, spheroid or spheroid, or the mobile solid forming after being joined end to end by limited straightway and/or curved section.
Described anode extension portion is cuboid, square body, spheroid or spheroid, or the mobile solid forming after being joined end to end by limited straightway and/or curved section; Described extended cathode portion is cuboid, square body, spheroid or spheroid, or the mobile solid forming after being joined end to end by limited straightway and/or curved section.
Multiplely be shaped to preparation multiple choices are provided.
Preferably, described anode has second plate face, and described second plate face and described first anode face shape are identical or different, and described second plate face and described first anode face are symmetrical or asymmetric; Described negative electrode has the second cathode plane, and described the second cathode plane and described the first cathode plane shape are identical or different, and described the second cathode plane and described the first cathode plane are symmetrical or asymmetric.
Multiplely be shaped to preparation multiple choices are provided.Can also carry out effective filtering to the particulate matter of different size simultaneously.
Preferably, described anode extension portion edge is L1 perpendicular to the overall dimensions of the direction of anode leader, described extended cathode portion edge is L2 perpendicular to the overall dimensions of the direction of negative electrode leading-out part, the distance of described anode extension portion and negative electrode is greater than 0 and be less than or equal to 10*L3, described L1 is positive number, and described L2 is positive number, and described L3 is the grater in L1 and L2, described L1=m*L2, described m is positive number.
Ensure enough large electrophoretic force.
Preferably, described L1=L2.Thereby make preparation simpler.
Preferably, described DEP electrode structure comprises anode and negative electrode, described anode has back to the first anode face and the second plate face that arrange, and described negative electrode has back to the first cathode plane and the second cathode plane that arrange, and described first anode face and the first cathode plane are oppositely arranged;
On described first anode face, also comprise at least one anode protuberance, on section, be of a size of K1 at anode protuberance the widest position described in width direction, at strong point degree of the being of a size of α × K1 of anode protuberance described in length direction, described K1, α are positive number, and described anode protuberance both sides are the empty septal area of anode near the region of first anode face;
On described the first cathode plane, also comprise at least one negative electrode protuberance, on section, be of a size of K2 at negative electrode protuberance the widest position described in width direction, at strong point degree of the being of a size of β × K2 of negative electrode protuberance described in length direction, described K2, β are positive number, and described negative electrode protuberance both sides are the empty septal area of negative electrode near the region of the first cathode plane;
Described anode protuberance is deep in the empty septal area of negative electrode corresponding thereto and does not contact with negative electrode, described negative electrode protuberance is deep in the empty septal area of anode corresponding thereto and does not contact with anode, the overlapping length part K3 of described anode protuberance and negative electrode protuberance meets 0 < K3≤2 × K4, wherein, K4 is the grater in K1 and K2.
Kind electrode structure can provide large electrophoretic force, thereby to granule, the particulate matter that particularly can enter lung effectively adsorbs.
Preferably, described K1=K2, described 1 < x≤4,1 < y≤4.
Preferably, described x=y=2.
Preferably, described K3=K4.
Preferably, being spaced apart of described anode and negative electrode is greater than 0 and be less than or equal to 4 × K4.
Described anode protuberance is cuboid, square body, spheroid or spheroid, or the mobile solid forming after being joined end to end by limited straightway and/or curved section; Described negative electrode protuberance is cuboid, square body, spheroid or spheroid, or the mobile solid forming after being joined end to end by limited straightway and/or curved section.
Preferably, described anode protuberance and negative electrode protuberance are cube.
Multiplely be shaped to preparation multiple choices are provided.
Preferably, each anode part of adjacent two DEP purifying electric pole plate opposing sides and cathode portion just to or tiltedly right.
The DEP electrode structure distribution cycle of adjacent two DEP purifying electric pole plate opposing sides is identical, and the DEP electrode structure distribution cycle between the different opposing sides of DEP purifying electric pole plate is identical or not identical.
In the present embodiment, described bindiny mechanism is vertical with airintake direction or substantially vertical, in described bindiny mechanism, has through hole, is provided with the draw-in groove that zigzag shape distributes in described bindiny mechanism, described draw-in groove is interrupted structure, DEP purifying electric pole plate described in described draw-in groove clamping.Thereby polylith DEP purifying electric pole plate is firmly arranged in housing, jointly realizes catharsis.
Preferably, also have ash removing port on described housing, the plane at described ash removing port place is vertical with the plane of arranging of DEP purifying electric pole plate, and described ash removing port is closed and opened by valve control.
The removing that realization accumulates dust.
Preferably, described suction port is connected with gas-entered passageway by screw thread or buckle, and described air outlet is connected with outlet passageway by screw thread or buckle.Be connected with air-flow path thereby realize.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination is understood becoming embodiment's description obviously and easily, 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 processor of the present invention;
Fig. 3 is the schematic diagram of electrode structure in the first preferred implementation of the present invention;
Fig. 4 is the schematic diagram of electrode structure in the second preferred implementation of the present invention;
Fig. 5 is the schematic diagram of electrode structure in the third preferred implementation of the present invention.
Embodiment
Describe embodiments of the invention below in detail, described embodiment's example is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment who is described with reference to the drawings, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
The invention provides a kind of efficient dielectrophoresis automobile tail gas purification system, as shown in Figure 1, it comprises air induction mast 01, gas outlet 04, at least one three-way catalytic converter 02, also comprise DEP purifying processor 03, in the present embodiment, the front end that DEP purifying processor 03 can be positioned at three-way catalytic converter 02 also can be positioned at its rear end.
As shown in Figure 2, DEP purifying processor comprises the housing with suction port and air outlet, be provided with bindiny mechanism in housing inner side, bindiny mechanism removably connects DEP purifying electric pole plate 035, DEP purifying electric pole plate can be curling and be curled into the shape that side is helix, the stratiform space of its formation is fluid passage 036, the fluid passage 036 of DEP purifying electric pole plate or almost parallel parallel with airintake direction, the one or both sides of DEP purifying electric pole plate are laid with DEP purified treatment electrode, DEP purified treatment electrode comprises anode part and cathode portion, anode part and cathode portion are interspersed, anode part is repeated to form by anodic cycle, cathode portion is repeated to form by cathode deposition period, an anode and a DEP electrode structure of a negative electrode composition.
Housing and bindiny mechanism are not shown in Fig. 2, and concrete housing can be set to tubular, and its suction port and air outlet lay respectively at the two ends of DEP purifying electric pole plate 03, and gas is flowed according to the direction of arrow in figure.
In the present embodiment, bindiny mechanism is vertical with airintake direction or substantially vertical, has through hole in bindiny mechanism, is provided with the draw-in groove that zigzag shape distributes in bindiny mechanism, and draw-in groove is interrupted structure, discontinuous, draw-in groove clamping DEP purifying electric pole plate.Bindiny mechanism can be one, can be also two in opposite direction.And polylith DEP purifying electric pole plate is firmly arranged in housing, jointly realize catharsis.
Preferably, also have ash removing port on housing, the plane at ash removing port place is vertical with the plane of arranging of DEP purifying electric pole plate, and ash removing port is closed and opened by valve control.The removing that realization accumulates dust.
Preferably, suction port is connected with gas-entered passageway by screw thread or buckle, and air outlet is connected with outlet passageway by screw thread or buckle.Be connected with air-flow path thereby realize.
In the present embodiment, be also provided with power supply connection mouth on housing, the anode part on DEP purifying electric pole plate is connected with external power supply by power supply connection mouth with cathode portion.
In the first preferred implementation of the present invention, the electrode structure of employing, as shown in Figure 3, it comprises anode 1 and negative electrode 2, and wherein, anode 1 has anode first surface 3, negative electrode 2 has negative electrode first surface 4, and anode first surface 3 is oppositely arranged with negative electrode first surface 4.Anode first surface 3 has at least one anode protuberance 5, the top of anode protuberance 5 protrudes from the non-adjacent protuberance part of coupled anode first surface 3, in the present embodiment, anode protuberance 3 is the arbitrary shape except rectangle, the shape that preferably has as shown in Figure 3 the arc of two depressions to be connected to form, the top of anode protuberance can have any shape, and is specifically as follows but is not limited to plane, cambered surface or spininess, preferably adopts spininess.
As shown in Figure 3, anode first surface region between two adjacent anode protuberance 3 tops not in one plane and section be the arbitrary shape except rectangle, anode first surface region between two adjacent anode protuberance tops is specifically as follows but is not limited to cylinder, sphere, ellipsoid, curved section move the cambered surface of formation or be connected by many curved sections after the mobile cambered surface forming, and move the cambered surface forming after being connected by straightway and/or curved section.In mode of execution being more preferably of the present invention, the cross section in the anode first surface region between two adjacent anode protuberance tops is semicircle.
Negative electrode first surface 4 has at least one negative electrode protuberance 6, the top of negative electrode protuberance 6 protrudes from the non-adjacent protuberance part of coupled negative electrode first surface 4, in the present embodiment, negative electrode protuberance 4 is the arbitrary shape except rectangle, the shape that preferably has as shown in Figure 3 the arc of two depressions to be connected to form, the top of negative electrode protuberance can have any shape, and is specifically as follows but is not limited to plane, cambered surface or spininess, preferably adopts spininess.
As shown in Figure 3, negative electrode first surface region between two adjacent negative electrode protuberance tops not in one plane and section be non-rectangle, i.e. arbitrary shape except rectangle, negative electrode first surface region between two adjacent negative electrode protuberance tops is specifically as follows but is not limited to cylinder, sphere, ellipsoid, curved section move the cambered surface of formation or be connected by many curved sections after the mobile cambered surface forming, and move the cambered surface forming after being connected by straightway and/or curved section.In mode of execution being more preferably of the present invention, the cross section in the anode first surface region between two adjacent negative electrode protuberance tops is semicircle.
In the present embodiment, the distance of two adjacent anode protuberances is S1, and the distance of two adjacent negative electrode protuberances is S2, the distance of described negative electrode and positive electrode is greater than 0 and be less than or equal to 10*S3, described S1, S2 are positive number, and S3 is the grater in S1 and S2, and S1 and S2 are that micron is to millimeter magnitude.
In the other preferred implementation of the present invention, anode protuberance 5 is in anode first surface 3 periodic distribution, negative electrode protuberance 6 is in negative electrode first surface 4 periodic distribution, both distribution cycles can be identical can be not identical yet, preferably, anode protuberance is identical in the distribution cycle of negative electrode first surface with negative electrode protuberance in the distribution cycle of anode first surface.Anode and negative electrode form the relative waveform of setting up and rise and fall, material can between anode and negative electrode and anode circulate with cathode surface.
In a kind of mode of execution being more preferably of the present invention, anode protuberance 5 tops just to and its two nearest negative electrode protuberances 6 between the part that caves in most of negative electrode first surface region; Negative electrode protuberance 6 tops just to and its two nearest anode protuberances 5 between the part that caves in most of anode first surface region.
In mode of execution, anode has anode second surface, this anode second surface and anode first surface shape are identical or different, preferably adopt identical structure, anode second surface and anode first surface can symmetry also can be asymmetric, preferably adopt asymmetric structure, more preferably adopt the distribution of the anode protuberance on two sides to differ half period.Negative electrode also has negative electrode second surface, negative electrode second surface and negative electrode first surface shape are identical or different, preferably adopt identical structure, negative electrode second surface and negative electrode first surface can symmetry also can be asymmetric, preferably adopt asymmetric structure, more preferably adopt the distribution of the negative electrode protuberance on two sides to differ half period.
In the second preferred implementation of the present invention, electrode structure as shown in Figure 4, it comprises anode 10 and negative electrode 20, wherein, anode 1 has back to the first anode face 11 and the second plate face 12 that arrange, in the present embodiment, and the postive direction of selected reference coordinate line, refer to the postive direction of the Normal direction point coordinates line of a face back to setting, the negative direction of the Normal direction point coordinates line of another face.Equally, negative electrode 2 has back to the first cathode plane 21 and the second cathode plane 22 that arrange.As shown in Figure 4, first anode face 11 and the first cathode plane 21 are oppositely arranged.
On first anode face 11, also comprise at least one anode protuberance, this anode protuberance is made up of with anode extension portion 14 mutually vertical or subvertical anode leader 13, and in the present embodiment, approaching is vertically to cause because preparation process exists error.Anode extension portion 14 with anode leader 13 Vertical direction on size L1 be greater than coupled anode leader 13 at the party size P1 upwards, anode protuberance both sides are the empty septal area of anode, when anode protuberance is during more than two, it between adjacent two anode protuberances, is the empty septal area of anode.
On the first cathode plane 21, also comprise at least one negative electrode protuberance, this negative electrode protuberance is made up of with extended cathode portion 24 mutually vertical or subvertical negative electrode leading-out part 23, extended cathode portion 24 with negative electrode leading-out part 23 Vertical direction on size be greater than coupled negative electrode leading-out part 23 in the party's size upwards, negative electrode protuberance both sides are the empty septal area of anode, when negative electrode protuberance is during more than two, it between adjacent two negative electrode protuberances, is the empty septal area of negative electrode.
In the present embodiment, anode protuberance is deep in the empty septal area of negative electrode corresponding thereto and does not contact with negative electrode protuberance, and negative electrode protuberance is deep in the empty septal area of anode corresponding thereto and does not contact with anode protuberance.
The present invention, by the structure of anode and negative electrode is set, has improved the electrophoretic force that particle is subject in electric field, can carry out effective filtering to the particulate matter that can enter lung.
In the present embodiment, anode protuberance is in first anode face periodic distribution.Negative electrode protuberance is in the first cathode plane periodic distribution.In a mode of execution being more preferably of the present invention, anode protuberance is identical in the distribution cycle of the first cathode plane with negative electrode protuberance in the distribution cycle of first anode face.Thereby reduce the complexity of structure, more easily preparation.
In the present embodiment, anode leader 13 can be any moulding, be specifically as follows but be not limited to cuboid, and square body, spheroid or spheroid, or move by limited straightway and/or the curved section face forming that joins end to end the solid forming.Negative electrode leading-out part 23 can be also any moulding, is specifically as follows but is not limited to cuboid, and square body, spheroid or spheroid, or move by limited straightway and/or the curved section face forming that joins end to end the solid forming.
In the present embodiment, anode extension portion 14 can be any moulding, be specifically as follows but be not limited to cuboid, and square body, spheroid or spheroid, or move by limited straightway and/or the curved section face forming that joins end to end the solid forming.Extended cathode portion 24 is cuboid, square body, and spheroid or spheroid, or move by limited straightway and/or the curved section face forming that joins end to end the solid forming.Multiplely be shaped to preparation multiple choices are provided.
In the present embodiment, anode has second plate face 12, and second plate face 12 is identical or different with first anode face 11 shapes, preferably adopts identical structure, and second plate face 12 is symmetrical or asymmetric with first anode face 11, preferably adopts symmetric design.
Negative electrode there are the second cathode plane 22, the second cathode planes 22 and the first cathode plane 21 shapes identical or different, preferably adopt identical structure, the second cathode plane 22 and the first cathode plane 21 are symmetrical or asymmetric, preferably adopt symmetric design.
Preferably, anode extension portion is L1 along the overall dimensions of the direction perpendicular to anode leader, extended cathode portion is L2 along the overall dimensions of the direction perpendicular to negative electrode leading-out part, the distance of anode extension portion and negative electrode is greater than 0 and be less than or equal to 10*L3, L1 is positive number, and L2 is positive number, and L3 is the grater in L1 and L2, L1=m*L2, m is positive number.Ensure enough large electrophoretic force.
Preferably, L1=L2.Thereby make preparation simpler.
P1 and L1, L2 are that micron is to millimeter magnitude.
In the 3rd preferred implementation of the present invention, electrode structure as shown in Figure 5, it comprises anode 1 and negative electrode 2, wherein, anode 1 has back to the first anode face 11 and the second plate face 12 that arrange, in the present embodiment, and the postive direction of selected reference coordinate line, refer to the postive direction of the Normal direction point coordinates line of a face back to setting, the negative direction of the Normal direction point coordinates line of another face.Equally, negative electrode 2 has back to the first cathode plane 21 and the second cathode plane 22 that arrange.As shown in Figure 5, first anode face 11 and the first cathode plane 21 are oppositely arranged.
On first anode face, also comprise at least one anode protuberance 15, on section, i.e. face shown in Fig. 5, on width direction, anode protuberance 15 the widest position are of a size of K1, in the longitudinal direction, strong point degree of the being of a size of α × K1 of anode protuberance 15, wherein, K1, α are positive number, the both sides of anode protuberance 15 are the empty septal area of anode near the region of first anode face, when anode protuberance 15 is during more than two, be anode sky septal area between adjacent two anode protuberances 15.
On the first cathode plane, also comprise at least one negative electrode protuberance 25, on section, i.e. face shown in Fig. 5, on width direction, negative electrode protuberance 14 the widest position are of a size of K2, in the longitudinal direction, strong point degree of the being of a size of β × K2 of negative electrode protuberance, wherein, K2, β are positive number, negative electrode protuberance 25 both sides are the empty septal area of negative electrode near the region of the first cathode plane, when negative electrode protuberance 25 is during more than two, be anode sky septal area between adjacent two negative electrode protuberances 25.
Anode protuberance 15 is deep in the empty septal area of negative electrode corresponding thereto and does not contact with negative electrode, negative electrode protuberance is deep in the empty septal area of anode corresponding thereto and does not contact with anode protuberance, the overlapping length part K3 of anode protuberance and negative electrode protuberance meets 0 < K3≤2 × K4, wherein, K4 is the grater in K1 and K2.
The present invention, by the structure of anode and negative electrode is set, has improved the electrophoretic force that particle is subject in electric field, can carry out effective filtering to the particulate matter that can enter lung.
In the present embodiment, anode protuberance 15 is in first anode face 11 periodic distribution, and negative electrode protuberance 25 is in the first cathode plane 21 periodic distribution.In the mode of execution being more preferably in the present invention, anode protuberance 15 is identical in the distribution cycle of the first cathode plane 21 with negative electrode protuberance 25 in the distribution cycle of first anode face 11.Thereby reduce the complexity of structure, more easily preparation.
In the present embodiment, K1=K2,1 < x≤4,1 < y≤4, being spaced apart of anode and negative electrode is greater than 0 and be less than or equal to 4 × K4.
More preferably, x=y=2.
More preferably, K3=K4.
In the present embodiment, K1 and K2 are that micron is to millimeter magnitude.
Thereby ensure the electrophoretic force that particle is subject in electric field, can carry out effective filtering to the particulate matter that can enter lung.
In the present embodiment, anode protuberance 15 is cuboid, square body, spheroid or spheroid, or the mobile solid forming after being joined end to end by limited straightway and/or curved section.Negative electrode protuberance 25 is cuboid, square body, spheroid or spheroid, or the mobile solid forming after being joined end to end by limited straightway and/or curved section.Multiplely be shaped to preparation multiple choices are provided.
Preferably, described anode protuberance and negative electrode protuberance are cube.This structure preparation process is simple, and has improved the electrophoretic force that particle is subject in electric field, can carry out effective filtering to the particulate matter that can enter lung.
In the present embodiment, anode has second plate face 12, second plate face 12 is identical or different with first anode face 11 shapes, in the other preferred implementation of the present invention, second plate face 12 is not identical or different with first anode face 11 shapes, preferably adopt identical structure, second plate face 12 is symmetrical or asymmetric with first anode face 11, preferably adopts symmetric design.
It is identical with the first cathode plane 21 shapes that negative electrode has the second cathode plane 22, the second cathode planes 22, and the second cathode plane 22 and the first cathode plane 21 are symmetrical or asymmetric, preferably adopt symmetric design.
It should be noted that, DEP purifying electric pole plate itself is non-conductive, and its Anodic part is connected with negative electrode respectively at power anode with cathode portion.
It should be noted that, in the present invention, the voltage magnitude to positive source and power cathode and frequency do not limit, and specifically can adopt the amplitude that conventionally adopts in prior art and the system of selection of frequency to select, and do not do too much and repeat at this.
Also it should be noted that; although only mentioned dedusting in background technique of the present invention; but those skilled in the art can not be interpreted as that this is limitation of the present invention; in other technologies field; for example bio-separation field, the heavy metal stripping technique in liquid, and soil sanitation field; as long as adopt the electrode structure of or obvious distortion identical with the present invention, still within protection scope of the present invention.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiments or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present invention and aim, can carry out multiple variation, amendment, replacement and modification to these embodiments, scope of the present invention is limited by claim and equivalent thereof.
Claims (10)
1. an efficient dielectrophoresis automobile tail gas purification system, it is characterized in that, comprise air induction mast, gas outlet, at least one three-way catalytic converter, also comprise DEP purifying processor, described DEP purifying processor comprises the housing with suction port and air outlet, be provided with bindiny mechanism in described housing inner side, described bindiny mechanism removably connects DEP purifying electric pole plate, described DEP purifying electric pole plate can be curling and be curled into the shape that side is helix, the stratiform space of its formation is fluid passage, described fluid passage or almost parallel parallel with airintake direction, the one or both sides of described DEP purifying electric pole plate are laid with DEP purified treatment electrode, described DEP purified treatment electrode comprises anode part and cathode portion, described anode part and cathode portion are interspersed, described anode part is repeated to form by anodic cycle, described cathode portion is repeated to form by cathode deposition period, a described anode and a DEP electrode structure of a negative electrode composition.
2. efficient dielectrophoresis automobile tail gas purification system as claimed in claim 1, it is characterized in that, described DEP electrode structure comprises anode and negative electrode, described anode has anode first surface, described negative electrode has negative electrode first surface, described anode first surface and negative electrode first surface are oppositely arranged, described anode first surface has at least one anode protuberance, the top of described anode protuberance protrudes from the non-adjacent protuberance part of coupled described anode first surface, anode first surface region between two adjacent anode protuberance tops not in one plane and section be non-rectangle, described negative electrode first surface has at least one negative electrode protuberance, the top of described negative electrode protuberance protrudes from the non-adjacent protuberance part of coupled described negative electrode first surface, negative electrode first surface region between two adjacent negative electrode protuberance tops not in one plane and section be non-rectangle.
3. efficient dielectrophoresis automobile tail gas purification system as claimed in claim 2, it is characterized in that, anode first surface region between described two adjacent anode protuberance tops is cylinder, sphere, ellipsoid, curved section move the cambered surface of formation or be connected by many curved sections after the mobile cambered surface forming, or move the cambered surface forming after being connected by straightway and/or curved section;
Negative electrode first surface region between described two adjacent negative electrode protuberance tops is cylinder, sphere, ellipsoid, curved section moves the cambered surface of formation or is connected and is moved the cambered surface forming by many curved sections, or is connected and is moved the cambered surface forming by straightway and/or curved section;
The distance of described two adjacent anode protuberances is S1, and the distance of described two adjacent negative electrode protuberances is S2, and the distance of described negative electrode and positive electrode is greater than 0 and be less than or equal to 10*S3, and described S1, S2 are positive number, and described S3 is the grater in S1 and S2.
4. efficient dielectrophoresis automobile tail gas purification system as claimed in claim 1, described DEP electrode structure comprises anode and negative electrode, described anode has back to the first anode face and the second plate face that arrange, described negative electrode has back to the first cathode plane and the second cathode plane that arrange, described first anode face and the first cathode plane are oppositely arranged, on described first anode face, also comprise at least one anode protuberance, described anode protuberance is by vertical or subvertical anode leader and anode extension portion form mutually, anode extension portion with anode leader Vertical direction on size be greater than coupled anode leader in the party's size upwards, anode protuberance both sides are the empty septal area of anode,
On described the first cathode plane, also comprise at least one negative electrode protuberance, described negative electrode protuberance is by vertical or subvertical negative electrode leading-out part and extended cathode portion form mutually, extended cathode portion with negative electrode leading-out part Vertical direction on size be greater than coupled negative electrode leading-out part in the party's size upwards, negative electrode protuberance both sides are the empty septal area of negative electrode;
Described anode protuberance is deep in the empty septal area of negative electrode corresponding thereto and does not contact with negative electrode protuberance, and described negative electrode protuberance is deep in the empty septal area of anode corresponding thereto and does not contact with anode protuberance.
5. efficient dielectrophoresis automobile tail gas purification system as claimed in claim 4, is characterized in that, described anode leader is cuboid, square body, spheroid or spheroid, or the mobile solid forming after being joined end to end by limited straightway and/or curved section; Described negative electrode leading-out part is cuboid, square body, spheroid or spheroid, or the mobile solid forming after being joined end to end by limited straightway and/or curved section; Described anode extension portion is cuboid, square body, spheroid or spheroid, or the mobile solid forming after being joined end to end by limited straightway and/or curved section; Described extended cathode portion is cuboid, square body, spheroid or spheroid, or the mobile solid forming after being joined end to end by limited straightway and/or curved section;
Described anode extension portion edge is L1 perpendicular to the overall dimensions of the direction of anode leader, described extended cathode portion edge is L2 perpendicular to the overall dimensions of the direction of negative electrode leading-out part, the distance of described anode extension portion and negative electrode is greater than 0 and be less than or equal to 10*L3, described L1 is positive number, described L2 is positive number, described L3 is the grater in L1 and L2, described L1=m*L2, and described m is positive number.
6. efficient dielectrophoresis automobile tail gas purification system as claimed in claim 1, it is characterized in that, described DEP electrode structure comprises anode and negative electrode, described anode has back to the first anode face and the second plate face that arrange, described negative electrode has back to the first cathode plane and the second cathode plane that arrange, and described first anode face and the first cathode plane are oppositely arranged;
On described first anode face, also comprise at least one anode protuberance, on section, be of a size of K1 at anode protuberance the widest position described in width direction, at strong point degree of the being of a size of α × K1 of anode protuberance described in length direction, described K1, α are positive number, and described anode protuberance both sides are the empty septal area of anode near the region of first anode face;
On described the first cathode plane, also comprise at least one negative electrode protuberance, on section, be of a size of K2 at negative electrode protuberance the widest position described in width direction, at strong point degree of the being of a size of β × K2 of negative electrode protuberance described in length direction, described K2, β are positive number, and described negative electrode protuberance both sides are the empty septal area of negative electrode near the region of the first cathode plane;
Described anode protuberance is deep in the empty septal area of negative electrode corresponding thereto and does not contact with negative electrode, described negative electrode protuberance is deep in the empty septal area of anode corresponding thereto and does not contact with anode, the overlapping length part K3 of described anode protuberance and negative electrode protuberance meets 0 < K3≤2 × K4, wherein, K4 is the grater in K1 and K2.
7. efficient dielectrophoresis automobile tail gas purification system as claimed in claim 6, is characterized in that, described K1=K2, described 1 < x≤4,1 < y≤4;
Being spaced apart of described anode and negative electrode is greater than 0 and be less than or equal to 4 × K4;
Described anode protuberance is cuboid, square body, spheroid or spheroid, or the mobile solid forming after being joined end to end by limited straightway and/or curved section; Described negative electrode protuberance is cuboid, square body, spheroid or spheroid, or the mobile solid forming after being joined end to end by limited straightway and/or curved section.
8. the efficient dielectrophoresis automobile tail gas purification system as described in claim 2,4, one of 6, it is characterized in that, described anode has second plate face, described second plate face and described first anode face shape are identical or different, and described second plate face and described first anode face are symmetrical or asymmetric; Described negative electrode has the second cathode plane, and described the second cathode plane and described the first cathode plane shape are identical or different, and described the second cathode plane and described the first cathode plane are symmetrical or asymmetric.
9. efficient dielectrophoresis automobile tail gas purification system as claimed in claim 1, is characterized in that, each anode part of adjacent two DEP purifying electric pole plate opposing sides and cathode portion just to or tiltedly right;
The DEP electrode structure distribution cycle of adjacent two DEP purifying electric pole plate opposing sides is identical, and the DEP electrode structure distribution cycle between the different opposing sides of DEP purifying electric pole plate is identical or not identical.
10. efficient dielectrophoresis automobile tail gas purification system as claimed in claim 1, it is characterized in that, described bindiny mechanism is vertical with airintake direction or substantially vertical, in described bindiny mechanism, there is through hole, in described bindiny mechanism, be provided with the draw-in groove that zigzag shape distributes, described draw-in groove is interrupted structure, DEP purifying electric pole plate described in described draw-in groove clamping;
On described housing, also have ash removing port, the plane at described ash removing port place is vertical or be approximately perpendicular to the outgassing direction of DEP purifying electric pole plate, and described ash removing port is closed and opened by valve control.
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| CN201410421058.3A CN104179551B (en) | 2014-08-22 | 2014-08-22 | Dielectrophoresis automotive exhaust purification system |
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| CN201410421058.3A CN104179551B (en) | 2014-08-22 | 2014-08-22 | Dielectrophoresis automotive exhaust purification system |
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| CN104179551B CN104179551B (en) | 2017-05-24 |
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