CN104174492A - Efficient electrostatic-dielectrophoresis deduster - Google Patents
Efficient electrostatic-dielectrophoresis deduster Download PDFInfo
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- CN104174492A CN104174492A CN201410423162.6A CN201410423162A CN104174492A CN 104174492 A CN104174492 A CN 104174492A CN 201410423162 A CN201410423162 A CN 201410423162A CN 104174492 A CN104174492 A CN 104174492A
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Abstract
The invention provides an efficient electrostatic-dielectrophoresis deduster. The efficient electrostatic-dielectrophoresis deduster comprises an electrostatic dedusting part and a dielectrophoresis filtering part, wherein the dielectrophoresis filtering part consists of DEP purifying treatment units, each DEP purifying treatment unit comprises M DEP purifying electrode plates, the arrangement direction of the M DEP purifying electrode plates is parallel or approximately parallel to the gas inlet direction, each DEP purifying electrode plate comprises a DEP electrode, and each DEP electrode comprises an anode and a cathode which are arranged oppositely and is used for trapping particulate matters in exhaust gas of the electrostatic dedusting part by a dielectrophoresis force. According to the efficient electrostatic-dielectrophoresis deduster, large particulate dust in inlet gas is filtered by the electrostatic dedusting part, and small particles, particularly respirable dust, can be filtered by the dielectrophoresis filtering part, so that the full-range and comprehensive removal of dust particles is realized. Dielectrophoresis of the dielectrophoresis filtering part is far away from filtered dust, so that the energy consumption is low, the pressure loss is low, and the operating cost is low.
Description
Technical field
The present invention relates to material purification treatment technology field, be specifically related to a kind of high efficiency electrostatic-dielectrophoresis deduster that adopts dielectrophoresis dedusting technology.
Background technology
PM2.5 is less than the particle of 2.5 microns, is called again and can enters lung particle, can enter human body alveolar and even in hematological system, go, and directly causes the diseases such as cardiovascular disease.The specific area of PM2.5 is larger, common each Heavy Metallic Elements of enrichment, and as As, Se, Pb, Cr etc., and the organic pollution such as PAHs, PCDD/Fs, VOCs, these mostly are carcinogen and genotoxicity mutagen matter is very harmful.Known PM2.5 health effect comprises the death rate that increases grave illness and chronic.Make respiratory system and cardiac system disease progression, change PFT and structure, change the aspects such as immune structure.In December, 2000, Britain expert result of study also showed, in atmosphere, content and mankind's day death rate of the pollutant such as SO2, nitride and CO do not contact closely, and fine particle is the main cause that causes mankind's death rate to rise on the contrary.
At present, industrial use is large with its smoke treatment amount compared with wide electrostatic precipitator, the features such as the deduster body pressure loss is little are used widely, but the use of electric cleaner also has its limitation, its power consumption is large, efficiency of dust collection is subject to the factors such as physicochemical property of flue gas and dust (as flue-gas temperature, smoke moisture, flue gas flow rate, dust size distributes, dust viscosity, sulfur content etc.) impact, especially processing high resistivity dust and fine dust (the following dust of 10um particularly, electric cleaner is limited to fine dust trapping ability, because fine dust is difficult to charged, electrode rapping produces reentrainment of dust, make trapping particle with air-flow, overflow) application scenario, electric cleaner demonstrates its inadaptability.
Electrostatic precipitator is to the following particle of 10um, particularly not good in particle (particle diameter diameter is at 2.5um and the following) dust removing effects that can enter lung, using after existing electrostatic precipitator, still have a large amount of entered lungs granular material discharged in atmosphere, is the public's the healthy and safe hidden danger of having buried.
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 high efficiency electrostatic-dielectrophoresis deduster, can realize all particulates, particularly can enter effective filtering of the particle of lung.
In order to realize above-mentioned purpose of the present invention, the invention provides a kind of high efficiency electrostatic-dielectrophoresis deduster, it comprises electrostatic precipitation portion and dielectrophoresis filter house, described electrostatic precipitation portion has air intake vent and air outlet, described electrostatic precipitation portion inside is also provided with corona electrode, collecting plate, high voltage power supply device, ash bucket and ash handling equipment, the air outlet of described electrostatic precipitation portion is connected with the air intake vent of dielectrophoresis filter house, the air outlet of described dielectrophoresis filter house is connected with exhaust passage, described dielectrophoresis filter house is comprised of DEP purifying treating unit, the arragement direction of described M piece DEP purifying electric pole plate or almost parallel parallel with airintake direction, described DEP purifying electric pole plate is dull and stereotyped, arc or the shape being connected to form by limited flat board and/or arc, described DEP purifying electric pole plate comprises DEP electrode, described DEP electrode comprises anode and the negative electrode being oppositely arranged, described DEP electrode is captured the particle in electrostatic precipitation portion Exhaust Gas by dielectrophoresis force.
The present invention filters out the big dust particle in air inlet by electrostatic precipitation portion, filters granule particularly can enter the dust of lung by dielectrophoresis filter house, realizes grit gamut is removed comprehensively.
In addition, dielectrophoresis filter house of the present invention adopts dielectrophoresis away from Chalk-dust filtering, and its energy consumption is low, and the pressure loss is little, and operating cost is low.
Dielectrophoresis filter house of the present invention is suitable for high resistivity dust collection, and efficiency of dust collection has high efficiency and stability.
Preferably, described dielectrophoresis filter house comprises M purifying treating unit, a described M purifying treating unit is connected in parallel, the air inlet of a described M purifying treating unit is all connected with the air outlet of electrostatic precipitation portion, the air outlet of a described M purifying treating unit is connected with exhaust passage, and described M is positive integer.
The present invention be take DEP purifying treating unit as least unit, can carry out flexible assembling according to practical situations, can carry out the air cleaning in little place, also can realize the effect to large-scale extensive gas purification.
Preferably, described DEP purifying treating unit comprises the housing with air inlet and air outlet, in described housing inner side, be provided with bindiny mechanism, described bindiny mechanism removably connects M piece DEP purifying electric pole plate, the arragement direction of described M piece DEP purifying electric pole plate or almost parallel parallel with airintake direction, between described DEP purifying electric pole plate, do not contact, described DEP purifying electric pole plate is dull and stereotyped, arc or the shape being connected to form by limited flat board and/or arc, described DEP purifying electric pole plate one side or on, lower two sides is 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 negative electrode form a DEP electrode structure, described M is positive integer.
Preferably, described DEP purifying treating unit comprises the housing with air inlet and air outlet, in described housing inner side, be provided with bindiny mechanism, described bindiny mechanism removably connects M piece DEP purifying electric pole plate, the arragement direction of described M piece DEP purifying electric pole plate or almost parallel parallel with airintake direction, between described DEP purifying electric pole plate, do not contact, described DEP purifying electric pole plate is that hollow tubular and concentric locking collar are fitted together, the one side of described DEP purifying electric pole plate or in, outer two sides is 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 negative electrode form a DEP electrode structure, described M is positive integer.
Preferably, described DEP purifying treating unit comprises the housing with air inlet and air outlet, in described housing inner side, be provided with bindiny mechanism, 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, DEP purifying electric pole plate adjacent two layers does not contact, described fluid passage or almost parallel parallel with airintake direction, the one side of described DEP purifying electric pole plate is 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 negative electrode form a DEP electrode structure.
DEP purged electrode panel area of the present invention forms non-uniform electric field, utilizes the electrophoretic force can be to particle, and the small particle that particularly can enter lung carries out effective filtering.
DEP purifying treating unit various shapes of the present invention, for preparation provides multiple choices.
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.
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 by many curved sections, be connected 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.
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 the size that coupled anode leader makes progress the party, 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 lead division and extended cathode portion form mutually, extended cathode portion with negative electrode lead division vertical direction on size be greater than the size that coupled negative electrode lead division makes progress the party, 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.
Preferably, described anode leader is cuboid, square, spheroid or spheroid, or the mobile solid forming after being joined end to end by limited straightway and/or curved section; Described negative electrode lead division is cuboid, square, 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, 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, spheroid or spheroid, or the mobile solid forming after being joined end to end by limited straightway and/or curved section.
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, at anode protuberance the widest part described in width, be of a size of K1, 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, at negative electrode protuberance the widest part described in width, be of a size of K2, 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 greater in K1 and K2.
Described K1=K2, described 1 < α≤4,1 < β≤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, 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, spheroid or spheroid, or the mobile solid forming after being joined end to end by limited straightway and/or curved section.
Electrode structure of the present invention can provide large electrophoretic force, thereby to particle, the small particle that particularly can enter lung effectively adsorbs.Meanwhile, be multiplely shaped to preparation multiple choices are provided.
Preferably, described bindiny mechanism is the draw-in groove arranging in two the relative directions in housing inner side, M piece DEP purifying electric pole plate described in described draw-in groove clamping.
Described bindiny mechanism is the shaft-like supporter that housing inner side arranges, on described M piece DEP purifying electric pole plate, be provided with and through hole that described shaft-like supporter size is mated, described DEP purifying electric pole plate is sleeved on successively on described shaft-like supporter and is relative fixing with described shaft-like supporter.
Preferably, described bindiny mechanism is vertical with airintake direction, in described link mechanism, has through hole, is provided with the draw-in groove that concentric annular distributes in described bindiny mechanism, on each ring, be distributed with at least two interrupted draw-in grooves, M piece DEP purifying electric pole plate described in described draw-in groove clamping.
Described bindiny mechanism is for being provided with shaft-like supporter in described housing inner side, on described M piece DEP purifying electric pole plate, be provided with and through hole that described shaft-like supporter size is mated, described DEP purifying electric pole plate is sleeved on successively on described shaft-like supporter and is relative fixing with described shaft-like supporter.
Preferably, 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, and 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.
On described housing, also have cleaning door, the plane at described cleaning door place is vertical or be approximately perpendicular to the outgassing direction of DEP purifying electric pole plate, and described cleaning door is controlled and closed and open by valve.The removing that realization accumulates dust.
Described air inlet is flexibly connected with inlet channel by screw thread or buckle, and described air outlet is flexibly connected with outlet passageway by screw thread or buckle.Thereby realize, be connected with gas channel, realize assembling and the fractionation of purifying processor.
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.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is the structural representation of high efficiency electrostatic-dielectrophoresis deduster of the present invention;
Fig. 2 is the structural representation of dielectrophoresis filter house of the present invention;
Fig. 3 is the structural representation of DEP purifying electric pole plate in a kind of preferred embodiment of the present invention;
Fig. 4 is the structural representation of DEP purifying electric pole plate in the another kind of preferred embodiment of the present invention;
Fig. 5 is the structural representation of DEP purifying electric pole plate in another preferred embodiment of the present invention;
Fig. 6 is the schematic diagram of electrode structure in the first preferred embodiment of the present invention;
Fig. 7 is the schematic diagram of electrode structure in the second preferred embodiment of the present invention;
Fig. 8 is the schematic diagram of electrode structure in the third preferred embodiment of the present invention.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment 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.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
The invention provides a kind of high efficiency electrostatic-dielectrophoresis deduster, as shown in Figure 1, it comprises electrostatic precipitation portion 01 and dielectrophoresis filter house 02.Wherein, electrostatic precipitation portion has air intake vent and air outlet, and electrostatic precipitation portion inside is also provided with corona electrode, collecting plate, high voltage power supply device, ash bucket and ash handling equipment.In the present embodiment, electrostatic precipitation portion can adopt the structure of existing electrostatic precipitator, and the structural design of concrete electrostatic precipitator is not inventive point of the present invention, at this, does not too much repeat.
The air outlet of electrostatic precipitation portion 01 is connected with the air intake vent of dielectrophoresis filter house 02, the air outlet of dielectrophoresis filter house 02 is connected with exhaust passage, dielectrophoresis filter house is comprised of DEP purifying treating unit, the arragement direction of M piece DEP purifying electric pole plate or almost parallel parallel with airintake direction, DEP purifying electric pole plate is dull and stereotyped, arc or the shape being connected to form by limited flat board and/or arc, DEP purifying electric pole plate comprises DEP electrode, DEP electrode comprises anode and the negative electrode being oppositely arranged, DEP electrode is captured the particle in electrostatic precipitation portion Exhaust Gas by dielectrophoresis force.
The present invention filters out the big dust particle in air inlet by electrostatic precipitation portion, filters granule particularly can enter the dust of lung by dielectrophoresis filter house, realizes the comprehensive removing to grit.
Preferably, as shown in Figure 2, dielectrophoresis filter house 02 comprises M purifying treating unit 022, this M purifying treating unit 022 is connected in parallel, the air inlet 021 of M purifying treating unit 022 is all connected with the air outlet 012 of bag type filtering portion 01, the air outlet of M purifying treating unit 022 is connected with exhaust passage 023, and wherein, M is positive integer.
In the first preferred embodiment of the present invention, as shown in Figure 3, DEP purifying treating unit comprises the housing 0221 with air inlet and gas outlet, air inlet and gas outlet are not shown in Fig. 3, specifically can arrange according to actual conditions, preferably air inlet is arranged on a face of housing, gas outlet is arranged on another face on the other side.
In housing 0221, be provided with bindiny mechanism's (not shown in FIG.), bindiny mechanism removably connects M piece DEP purifying electric pole plate 0222, the arragement direction of M piece DEP purifying electric pole plate 0222 or almost parallel parallel with airintake direction, between DEP purifying electric pole plate 0222, do not contact, DEP purifying electric pole plate 0222 is dull and stereotyped, arc, or the shape being connected to form by limited flat board and/or arc, DEP purifying electric pole plate 0222 one side or on, lower two sides is 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 negative electrode form a DEP electrode structure, wherein, M is positive integer.
In present embodiment, DEP purifying electric pole plate one side or upper and lower faces are the faces of DEP purifying electric pole plate surface area maximum while being horizontal, the face facing upward or downward.
In the present invention, and/or refer to and can adopt " with " mode combine, also can adopt the mode of "or" to combine, for example " shape that limited flat board and/or arc are connected to form " refers to the shape that limited flat board is connected to form, the limited shape that arc is connected to form, or the shape that is connected to form of limited flat board and limited fast arc.
In the present embodiment, bindiny mechanism is the draw-in groove arranging in two the relative directions in housing inner side, draw-in groove clamping M piece DEP purifying electric pole plate.
In the other embodiment of the present invention, bindiny mechanism is the shaft-like supporter that housing inner side arranges, on M piece DEP purifying electric pole plate, be provided with and through hole that shaft-like supporter size is mated, DEP purifying electric pole plate is sleeved on successively on shaft-like supporter and is relative fixing with described shaft-like supporter.
Thereby polylith DEP purifying electric pole plate is firmly arranged in housing, jointly realizes catharsis.
In the second preferred embodiment of the present invention, in the second preferred embodiment of the present invention, DEP purifying treating unit comprises the housing with air inlet and air outlet, in housing inner side, be provided with bindiny mechanism, bindiny mechanism removably connects M piece DEP purifying electric pole plate, as shown in Figure 4, the arragement direction of M piece DEP purifying electric pole plate 0223 or almost parallel parallel with airintake direction, between DEP purifying electric pole plate, do not contact, DEP purifying electric pole plate is that hollow tubular and concentric locking collar are fitted together, between adjacent two layers DEP purifying electric pole plate, it is fluid passage 0224, the one side of DEP purifying electric pole plate or in, outer two sides is laid with DEP purified treatment electrode, described 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 negative electrode form a DEP electrode structure, described M is positive integer.
Housing and bindiny mechanism are not shown in Fig. 4, and concrete housing can be set to the tubular shown in Fig. 3, and its air inlet and gas outlet lay respectively at the two ends of DEP purifying electric pole plate 0223, and gas is flowed according to the direction of arrow in figure.
In the present embodiment, bindiny mechanism is vertical with airintake direction, has through hole in bindiny mechanism, is provided with the draw-in groove that concentric annular distributes in bindiny mechanism, on each ring, is distributed with at least two interrupted draw-in grooves, draw-in groove clamping M piece DEP purifying electric pole plate.
In the other embodiment of the present invention, bindiny mechanism is for being provided with shaft-like supporter in housing inner side, on M piece DEP purifying electric pole plate, be provided with and through hole that shaft-like supporter size is mated, DEP purifying electric pole plate is sleeved on successively on shaft-like supporter and is relative fixing with described shaft-like supporter.
Thereby polylith DEP purifying electric pole plate is firmly arranged in housing, jointly realizes catharsis.
In the 3rd preferred embodiment of the present invention, DEP purifying treating unit comprises the housing with air inlet and air outlet, in housing inner side, be provided with bindiny mechanism, bindiny mechanism removably connects DEP purifying electric pole plate, as shown in Figure 5, DEP purifying electric pole plate 0225 can be curling and be curled into the shape that side is helix, the stratiform space of its formation is fluid passage 0226, DEP purifying electric pole plate adjacent two layers does not contact, the fluid passage 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 negative electrode form a DEP electrode structure.
Housing and bindiny mechanism are not shown in Fig. 5, and concrete housing can be set to barrel-shaped, and its air inlet and gas outlet lay respectively at the two ends of DEP purifying electric pole plate 0225, 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.
Thereby polylith DEP purifying electric pole plate is firmly arranged in housing, jointly realizes catharsis.
In the present embodiment, on the housing of DEP purifying treating unit, also there is cleaning door, the plane at cleaning door place is vertical with the plane of arranging of DEP purifying electric pole plate plate, on inlet channel 021, outlet passageway 023 and deashing passage, be provided with magnetic valve 025, by electronic control module 024, control and realize closing and opening of valve.On deashing passage, be also provided with vavuum pump 026, when filtering work, the magnetic valve of inlet channel 021 and outlet passageway 023 is opened, carry out normal dedusting work, when needs deashing activates, the closed electromagnetic valve of inlet channel 021 and outlet passageway 023, the magnetic valve 025 of deashing passage is opened, vavuum pump 026 work, by the dust sucking-off of DEP purifying treating unit inner accumulated.The removing that realization accumulates dust.
Preferably, air inlet is connected with inlet channel by screw thread or buckle, and air outlet is connected with outlet passageway by screw thread or buckle.Thereby realize, be connected with gas channel.
In the present embodiment, be also provided with power supply connector on housing, the anode part on DEP purifying electric pole plate is connected with external power source by power supply connector with cathode portion.
In a kind of preferred embodiment of the present invention, the electrode structure of employing, as shown in Figure 6, 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 6 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 6, anode first surface region between two adjacent anode protuberance 3 tops not in one plane and section be 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 by many curved sections, be connected after the mobile cambered surface forming, and move the cambered surface forming after being connected by straightway and/or curved section.In embodiment 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 6 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 6, 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 by many curved sections, be connected after the mobile cambered surface forming, and move the cambered surface forming after being connected by straightway and/or curved section.In embodiment 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 greater in S1 and S2, and S1 and S2 are that micron is to millimeter magnitude.
In the other preferred embodiment 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 embodiment being more preferably of the present invention, anode protuberance 5 tops over against 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 over against and its two nearest anode protuberances 5 between the part that caves in most of anode first surface region.
In embodiment, 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 embodiment of the present invention, electrode structure as shown in Figure 7, 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 positive direction of selected reference coordinate line, back to setting, refer to the positive direction of the normal direction point coordinates line of a face, 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 7, 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 comprised 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 technology exists error.Anode extension portion 14 with anode leader 13 vertical direction on size L1 be greater than the size P1 that coupled anode leader 13 makes progress the party, 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 comprised of with extended cathode portion 24 mutually vertical or subvertical negative electrode lead division 23, extended cathode portion 24 with negative electrode lead division 23 vertical direction on size be greater than the size that coupled negative electrode lead division 23 makes progress the party, 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 entering the particle of 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 an embodiment 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, 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 lead division 23 can be also any moulding, is specifically as follows but is not limited to cuboid, and square, 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, 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, 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.
In the present embodiment, anode extension portion 14 is along the full-size L1 of the direction perpendicular to anode leader 13, negative electrode extension 24 is along the full-size L2 of the direction perpendicular to negative electrode lead division 23, and the distance of anode extension portion 14 and negative electrode is greater than 0 and be less than or equal to 10*L3, wherein, L1 is positive number, L2 is positive number, and L3 is the greater in L1 and L2, L1=m*L2, m is positive number, and L1 and L2 are that micron is to millimeter magnitude.
In the 3rd preferred embodiment of the present invention, electrode structure as shown in Figure 8, 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 positive direction of selected reference coordinate line, back to setting, refer to the positive direction of the normal direction point coordinates line of a face, 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 8, 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. 8, on width, anode protuberance 15 the widest part 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. 8, on width, negative electrode protuberance 14 the widest part 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 greater 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 entering the particle of 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 embodiment 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 < α≤4,1 < β≤4, being spaced apart of anode and negative electrode is greater than 0 and be less than or equal to 4 * K4.More preferably, α=β=2.More preferably, K3=K4.
In the present embodiment, K1 and K2 are that micron is to millimeter magnitude.
Thereby guarantee the electrophoretic force that particle is subject in electric field, can carry out effective filtering to entering the particle of lung.
In the present embodiment, anode protuberance 15 is cuboid, square, 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, 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 technology is simple, and has improved the electrophoretic force that particle is subject in electric field, can carry out effective filtering to entering the particle of 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, preferably adopt identical structure, in the other preferred embodiment of the present invention, second plate face 12 is not identical with first anode face 11 shapes, 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.
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 of positive source and power cathode and frequency are not limited, specifically can adopt the amplitude of common employing in prior art and the system of selection of frequency to select, at this, do not do too much and repeat.
Also it should be noted that; although only mentioned dedusting in background technology 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; bio-separation field for example, the heavy metal isolation technics 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 description, the description of reference term " embodiment ", " some embodiment ", " 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 the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment 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, modification, replacement and modification to these embodiment, scope of the present invention is limited by claim and equivalent thereof.
Claims (10)
1. high efficiency electrostatic-dielectrophoresis deduster, it is characterized in that, comprise electrostatic precipitation portion and dielectrophoresis filter house, described electrostatic precipitation portion has air intake vent and air outlet, described electrostatic precipitation portion inside is also provided with corona electrode, collecting plate, high voltage power supply device, ash bucket and ash handling equipment, the air outlet of described electrostatic precipitation portion is connected with the air intake vent of dielectrophoresis filter house, the air outlet of described dielectrophoresis filter house is connected with exhaust passage, described dielectrophoresis filter house is comprised of DEP purifying treating unit, described DEP purifying treating unit comprises M piece DEP purifying electric pole plate, the arragement direction of described M piece DEP purifying electric pole plate or almost parallel parallel with airintake direction, described DEP purifying electric pole plate is dull and stereotyped, arc or the shape being connected to form by limited flat board and/or arc, described DEP purifying electric pole plate comprises DEP electrode, described DEP electrode comprises anode and the negative electrode being oppositely arranged, described DEP electrode is captured the particle in electrostatic precipitation portion Exhaust Gas by dielectrophoresis force.
2. high efficiency electrostatic-dielectrophoresis deduster as claimed in claim 1, it is characterized in that, described dielectrophoresis filter house comprises M purifying treating unit, a described M purifying treating unit is connected in parallel, the air inlet of a described M purifying treating unit is all connected with the air outlet of electrostatic precipitation portion, the air outlet of a described M purifying treating unit is connected with exhaust passage, and described M is positive integer.
3. high efficiency electrostatic-dielectrophoresis deduster as claimed in claim 1, it is characterized in that, described DEP purifying treating unit comprises the housing with air inlet and air outlet, in described housing, be provided with bindiny mechanism, described bindiny mechanism removably connects M piece DEP purifying electric pole plate, the arragement direction of described M piece DEP purifying electric pole plate or almost parallel parallel with airintake direction, between described DEP purifying electric pole plate, do not contact, described DEP purifying electric pole plate is dull and stereotyped, arc or the shape being connected to form by limited flat board and/or arc, described DEP purifying electric pole plate one side or on, lower two sides is 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 negative electrode form a DEP electrode structure, described M is positive integer.
4. high efficiency electrostatic-dielectrophoresis deduster as claimed in claim 3, 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.
5. high efficiency electrostatic-dielectrophoresis deduster as claimed in claim 4, 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 by many curved sections, be connected 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.
6. high efficiency electrostatic-dielectrophoresis deduster as claimed in claim 3, 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, 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 the size that coupled anode leader makes progress the party, 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 lead division and extended cathode portion form mutually, extended cathode portion with negative electrode lead division vertical direction on size be greater than the size that coupled negative electrode lead division makes progress the party, 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.
7. high efficiency electrostatic-dielectrophoresis deduster as claimed in claim 6, is characterized in that, described anode leader is cuboid, square, spheroid or spheroid, or the mobile solid forming after being joined end to end by limited straightway and/or curved section; Described negative electrode lead division is cuboid, square, 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, 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, spheroid or spheroid, or the mobile solid forming after being joined end to end by limited straightway and/or curved section.
8. high efficiency electrostatic-dielectrophoresis deduster as claimed in claim 3, 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, at anode protuberance the widest part described in width, be of a size of K1, 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, at negative electrode protuberance the widest part described in width, be of a size of K2, 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 greater in K1 and K2.
9. high efficiency electrostatic-dielectrophoresis deduster as claimed in claim 8, is characterized in that, described K1=K2, described 1 < α≤4,1 < β≤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, 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, spheroid or spheroid, or the mobile solid forming after being joined end to end by limited straightway and/or curved section.
10. high efficiency electrostatic-dielectrophoresis deduster as claimed in claim 3, is characterized in that,
On described housing, also have cleaning door, the plane at described cleaning door place is vertical or be approximately perpendicular to the outgassing direction of DEP purifying electric pole plate, and described cleaning door is controlled and closed and open by valve;
Described bindiny mechanism is the draw-in groove arranging in two the relative directions in housing inner side, M piece DEP purifying electric pole plate described in described draw-in groove clamping; Or described bindiny mechanism is the shaft-like supporter that housing inner side arranges, on described M piece DEP purifying electric pole plate, be provided with and through hole that described shaft-like supporter size is mated, described DEP purifying electric pole plate is sleeved on successively on described shaft-like supporter and is relative fixing with described shaft-like supporter.
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| CN201410423162.6A CN104174492B (en) | 2014-08-22 | 2014-08-22 | A kind of high efficiency electrostatic dielectrophoresises cleaner unit |
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| CN201410423162.6A CN104174492B (en) | 2014-08-22 | 2014-08-22 | A kind of high efficiency electrostatic dielectrophoresises cleaner unit |
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| CN104174492B (en) | 2017-03-29 |
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