CN104196609A - Novel DEP exhaust purifier - Google Patents
Novel DEP exhaust purifier Download PDFInfo
- Publication number
- CN104196609A CN104196609A CN201410421331.2A CN201410421331A CN104196609A CN 104196609 A CN104196609 A CN 104196609A CN 201410421331 A CN201410421331 A CN 201410421331A CN 104196609 A CN104196609 A CN 104196609A
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- China
- Prior art keywords
- conductor
- dep
- dielectrophoresis electrode
- exhaust purifier
- electrode structure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The invention provides a novel DEP exhaust purifier which comprises an air inlet cylinder, an air outlet cylinder, at least one three-way catalytic converter and a DEP purification treatment unit. The DEP purification treatment unit comprises a shell which is provided with an air inlet and an air outlet. A connection mechanism is arranged in the shell and detachably connected with M dielectrophoresis electrode structures, and the M dielectrophoresis electrode structures are distributed in the direction parallel to or roughly parallel to the air inlet direction. The M dielectrophoresis electrode structures are concentrically arranged in a sleeved mode to form a hollow cylinder and are not in contact, and fluid flowing channels are formed between the adjacent dielectrophoresis electrode structures. The three-way catalytic converter can purify NOx, HC and CO, and the DEP purification treatment unit can filter out particles in automobile exhaust, especially particles which can enter the lungs. An uneven electric field is formed through the dielectrophoresis technology, and granules especially the particles which can enter the lungs can be effectively adsorbed through electrophoretic force.
Description
Technical field
The present invention relates to purifying vehicle exhaust processing technology field, be specifically related to a kind of novel DEP exhaust purifier.
Background technique
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 surface area of PM2.5 is larger, common each Heavy Metallic Elements of enrichment, and as As, Se, Pb, Cr etc., and the organic pollutant 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, SO in atmosphere
2, the pollutant such as nitride and CO content and mankind's day death-rate do not contact closely, fine particle is the main cause that causes mankind's death-rate to rise on the contrary.
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 is by row treatment and purification, as adopted the methods such as air injection, oxidized form reactor and three-effect catalysis reactor to discharging waste gas.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 novel DEP exhaust purifier, not only can do purified treatment to NOx, HC, CO, the particulate matter in can also filtering vehicle exhaust, particularly can enter effective filtering of the particulate matter of lung.
In order to realize above-mentioned purpose of the present invention, the invention provides a kind of novel DEP exhaust purifier, it comprises air induction mast, gas outlet, at least one three-way catalytic converter, also comprise the DEP purifying treating unit that is positioned at three-way catalytic converter front end or rear end, described DEP purifying treating unit comprises the housing with suction port and air outlet, in described housing, be provided with bindiny mechanism, described bindiny mechanism removably connects M piece dielectrophoresis electrode structure, described M is positive integer, the arragement direction of described M piece dielectrophoresis electrode structure or almost parallel parallel with airintake direction, described dielectrophoresis electrode structure forms concentric hollow tubular and does not contact, between adjacent dielectrophoresis electrode structure, it is fluid circulation passage.
Three-way catalytic converter of the present invention can be done purified treatment to NOx, HC, CO, and the particulate matter of DEP purifying treating unit in can filtering vehicle exhaust, particularly can enter effective filtering of the particulate matter of lung.
DEP purifying treating unit of the present invention utilizes dielectrophoresis technology to form non-uniform electric field, utilizes the electrophoretic force can be to granule, and the particulate matter that particularly can enter lung effectively adsorbs.
Preferably, described dielectrophoresis electrode structure comprises supporting frame and is wrapped in the conductor bundle on support frame as described above, conductor external application isolation layer in described conductor bundle, described conductor is flexible banded structure or wire, described conductor bundle is alternately arranged and is formed by plate conductor and cathode conductor, described in when being wound around, plate conductor is with cathode conductor without intersecting, and described plate conductor is connected with positive source, and cathode conductor is connected with power cathode.
Dielectrophoresis electrode structure of the present invention can produce non-uniform electric field, utilizes the electrophoretic force can be to granule, and the particulate matter that particularly can enter lung effectively adsorbs.
Preferably, support frame as described above is cylindrical structure, and its material is conductor.
Preferably, support frame as described above is cylinder-like structure, and its material is conductor.
Preferably, support frame as described above is hollow out grid structure.
DEP purifying treating unit various shapes of the present invention, for preparation provides multiple choices.
DEP purged electrode plate structure of the present invention is simple, and preparation process is simple and direct, and cost is low.
Preferably, described bindiny mechanism is vertical with airintake direction, in described bindiny 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, the supporting frame of M piece dielectrophoresis electrode structure described in described draw-in groove clamping.
Thereby polylith dielectrophoresis electrode structure 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 or be approximately perpendicular to the outgassing direction of DEP purifying electric pole plate, and described ash removing port is controlled and closed and open by valve.The removing that realization accumulates dust.
Preferably, 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, thereby realize, is connected with air-flow path.
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 embodiment's description, wherein:
Fig. 1 is the structural representation of the novel DEP exhaust purifier of the present invention;
Fig. 2 is the schematic diagram of DEP purifying treating unit in a kind of preferred implementation of the present invention.
Fig. 3 is the schematic diagram of the new and effective dielectrophoresis electrode structure 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.Below by the embodiment who is 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 novel DEP exhaust purifier, it comprises air induction mast 01, gas outlet 04, at least one three-way catalytic converter 02, also comprises the DEP purifying treating unit 03 that is positioned at three-way catalytic converter 02 front end or rear end.
In the present embodiment, DEP purifying treating unit comprises the housing with suction port and air outlet, in housing, be provided with bindiny mechanism, bindiny mechanism removably connects M piece dielectrophoresis electrode structure 5, wherein, M is positive integer, the arragement direction of M piece dielectrophoresis electrode structure 5 or almost parallel parallel with airintake direction, dielectrophoresis electrode structure forms the hollow tubular that concentric locking collar is fitted together and does not contact, and between adjacent dielectrophoresis electrode structure, is fluid circulation passage 6.
Housing and bindiny mechanism are not shown in Fig. 1, and concrete housing can be set to tubular, and its suction port and air outlet lay respectively at the two ends of dielectrophoresis electrode structure 5, and gas is flowed according to the direction of arrow in figure.
In the present embodiment, as shown in Figure 3, dielectrophoresis electrode structure comprises supporting frame 1 and is wrapped in the conductor bundle 2 on supporting frame 1, conductor external application isolation layer in conductor bundle 2, conductor is flexible banded structure or wire, and conductor bundle 2 is alternately arranged and formed by plate conductor 3 and cathode conductor 4, and when being wound around, plate conductor 3 intersects with cathode conductor 4 nothings, plate conductor 3 is connected with positive source, and cathode conductor 4 is connected with power cathode.
In the present embodiment, supporting frame is any hollow and with the structure of entrance and exit, the supporting frame preferably adopting is cylindrical structure, can adopt directrix is polygonal or circle, oval-shaped shape, more preferably, supporting frame is cylinder-like structure, and its material is conductor.In the other preferred implementation of the present invention, supporting frame is hollow out grid structure, saving resource and can not weaken electric field strength.
In the present embodiment, can be for only having a plate conductor 3 and a cathode conductor 4 in conductor bundle 2, also can be by m bar plate conductor 3 and m bar cathode conductor 4, plate conductor 3 and cathode conductor 4 are alternately arranged.
Three-way catalytic converter of the present invention can be done purified treatment to NOx, HC, CO, and the particulate matter of DEP purifying treating unit in can filtering vehicle exhaust, particularly can enter effective filtering of the particulate matter of lung.
DEP purifying treating unit of the present invention utilizes dielectrophoresis technology to form non-uniform electric field, utilizes the electrophoretic force can be to granule, and the particulate matter that particularly can enter lung effectively adsorbs.
By adjusting frequency and the amplitude of input voltage, dielectrophoresis electrode structure of the present invention can produce non-uniform electric field, utilizes the electrophoretic force can be to granule, and the particulate matter that particularly can enter lung effectively adsorbs.
In the present embodiment, bindiny mechanism is supporting frame, removably be fixed on housing, bindiny mechanism is vertical with airintake direction, on institute's connection mechanism, there is through hole, in bindiny mechanism, be provided with the draw-in groove that concentric annular distributes, on each ring, be distributed with at least two interrupted draw-in grooves, the supporting frame of draw-in groove clamping M piece dielectrophoresis electrode structure.Thereby polylith dielectrophoresis electrode structure is firmly arranged in housing, jointly realizes catharsis.
On housing of the present invention, also have ash removing port, the plane at ash removing port place is vertical or be approximately perpendicular to the outgassing direction of DEP purifying electric pole plate, and ash removing port is controlled and closed and open by valve.The removing that realization accumulates dust.
In the present embodiment, the suction port of dust removing units is connected with gas-entered passageway by screw thread or buckle, and its air outlet is connected with outlet passageway by screw thread or buckle, thereby realize, is connected with air-flow path.
In the present embodiment, between the size of wire and wire, the size at interval depends on applied environment and the application purpose that respective electrode structure is concrete, catch the size positive correlation at interval between the diameter of particulate matter and the diameter of wire and wire, when when catching micro/nano level particulate matter, between the size of wire and wire, the size at interval should be micron order to grade scope.
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 common amplitude adopting of prior art dielectric electrophoresis 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 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; bio-separation field for example, 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 the specific features of description, structure, material or feature can be with suitable mode combinations 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, modification, replacement and modification to these embodiments, scope of the present invention is limited by claim and equivalent thereof.
Claims (8)
1. a novel DEP exhaust purifier, it is characterized in that, comprise air induction mast, gas outlet, at least one three-way catalytic converter, also comprise the DEP purifying treating unit that is positioned at three-way catalytic converter front end or rear end, described DEP purifying treating unit comprises the housing with suction port and air outlet, in described housing, be provided with bindiny mechanism, described bindiny mechanism removably connects M piece dielectrophoresis electrode structure, described M is positive integer, the arragement direction of described M piece dielectrophoresis electrode structure or almost parallel parallel with airintake direction, described dielectrophoresis electrode structure forms the hollow tubular that concentric locking collar is fitted together and does not contact, between adjacent dielectrophoresis electrode structure, it is fluid circulation passage.
2. novel DEP exhaust purifier as claimed in claim 1, it is characterized in that, described dielectrophoresis electrode structure comprises supporting frame and is wrapped in the conductor bundle on support frame as described above, conductor external application isolation layer in described conductor bundle, described conductor is flexible banded structure or wire, and described conductor bundle is alternately arranged and formed by plate conductor and cathode conductor, when being wound around described in plate conductor with cathode conductor without intersecting, described plate conductor is connected with positive source, and cathode conductor is connected with power cathode.
3. novel DEP exhaust purifier as claimed in claim 1, is characterized in that, support frame as described above is cylindrical structure, and its material is conductor.
4. novel DEP exhaust purifier as claimed in claim 2, is characterized in that, support frame as described above is cylinder-like structure, and its material is conductor.
5. novel DEP exhaust purifier as claimed in claim 2 or claim 3, is characterized in that, support frame as described above is hollow out grid structure.
6. novel DEP exhaust purifier as claimed in claim 1, it is characterized in that, described bindiny mechanism is vertical with airintake direction, in described bindiny mechanism, there is through hole, in described bindiny mechanism, be provided with the draw-in groove that concentric annular distributes, on each ring, be distributed with at least two interrupted draw-in grooves, the supporting frame of M piece dielectrophoresis electrode structure described in described draw-in groove clamping.
7. novel DEP exhaust purifier as claimed in claim 1, it is characterized in that, 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 dielectrophoresis electrode structure, and described ash removing port is controlled and closed and open by valve.
8. novel DEP exhaust purifier as claimed in claim 1, is characterized in that, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410421331.2A CN104196609A (en) | 2014-08-22 | 2014-08-22 | Novel DEP exhaust purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410421331.2A CN104196609A (en) | 2014-08-22 | 2014-08-22 | Novel DEP exhaust purifier |
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| Publication Number | Publication Date |
|---|---|
| CN104196609A true CN104196609A (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410421331.2A Pending CN104196609A (en) | 2014-08-22 | 2014-08-22 | Novel DEP exhaust purifier |
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| CN (1) | CN104196609A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116272211A (en) * | 2023-05-17 | 2023-06-23 | 河北科技师范学院 | Dielectrophoresis electrode structure, preparation method and gas purification device |
Citations (6)
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|---|---|---|---|---|
| EP0443254A1 (en) * | 1990-02-20 | 1991-08-28 | The Scott Fetzer Company | Electrostatic particle filtration |
| TW200503824A (en) * | 2003-05-13 | 2005-02-01 | Aura Biosystems Inc | Dielectrophoretic apparatus |
| US20060260944A1 (en) * | 2005-05-19 | 2006-11-23 | The Regents Of The University Of California | Method and apparatus for dielectrophoretic separation |
| CN103485864A (en) * | 2013-10-09 | 2014-01-01 | 内蒙古上派环境科技有限公司 | Dielectrophoresis automobile exhaust dust remover |
| CN203515736U (en) * | 2013-10-09 | 2014-04-02 | 内蒙古上派环境科技有限公司 | Dielectrophoresis vehicle exhaust dust removal assembly |
| CN204152605U (en) * | 2014-08-22 | 2015-02-11 | 成都代代吉前瞻科技股份有限公司 | A kind of novel DEP exhaust purifier |
-
2014
- 2014-08-22 CN CN201410421331.2A patent/CN104196609A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0443254A1 (en) * | 1990-02-20 | 1991-08-28 | The Scott Fetzer Company | Electrostatic particle filtration |
| TW200503824A (en) * | 2003-05-13 | 2005-02-01 | Aura Biosystems Inc | Dielectrophoretic apparatus |
| US20060260944A1 (en) * | 2005-05-19 | 2006-11-23 | The Regents Of The University Of California | Method and apparatus for dielectrophoretic separation |
| CN103485864A (en) * | 2013-10-09 | 2014-01-01 | 内蒙古上派环境科技有限公司 | Dielectrophoresis automobile exhaust dust remover |
| CN203515736U (en) * | 2013-10-09 | 2014-04-02 | 内蒙古上派环境科技有限公司 | Dielectrophoresis vehicle exhaust dust removal assembly |
| CN204152605U (en) * | 2014-08-22 | 2015-02-11 | 成都代代吉前瞻科技股份有限公司 | A kind of novel DEP exhaust purifier |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116272211A (en) * | 2023-05-17 | 2023-06-23 | 河北科技师范学院 | Dielectrophoresis electrode structure, preparation method and gas purification device |
| CN116272211B (en) * | 2023-05-17 | 2023-08-18 | 河北科技师范学院 | Dielectrophoresis electrode structure, preparation method and gas purification device |
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Application publication date: 20141210 |
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