CN106014547A - Device for purifying automobile exhaust through charged fine water spray - Google Patents
Device for purifying automobile exhaust through charged fine water spray Download PDFInfo
- Publication number
- CN106014547A CN106014547A CN201610586175.4A CN201610586175A CN106014547A CN 106014547 A CN106014547 A CN 106014547A CN 201610586175 A CN201610586175 A CN 201610586175A CN 106014547 A CN106014547 A CN 106014547A
- Authority
- CN
- China
- Prior art keywords
- tail gas
- pipe
- connecting tube
- exhaust
- vehicle exhaust
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/01—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust by means of electric or electrostatic separators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/04—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/04—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being an electric, e.g. electrostatic, device other than a heater
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Electrostatic Separation (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention provides a device for purifying automobile exhaust through charged fine water spray. The device comprises an exhaust connecting pipe arranged behind an automobile exhaust pipe. A corona charged area is arranged on the front portion of the exhaust connecting pipe. A rotational flow guide blade is arranged in the middle of the exhaust connecting pipe. An electrostatic atomization area is arranged on the rear portion of the exhaust connecting pipe. A high-voltage electrostatic generator, a barbed nail corona wire and insulating bushes are included in the corona charged area. An insulating layer nested on the inner wall of the connecting pipe, a high-voltage electrostatic generator and a hollow spiral pipe are included in the electrostatic atomization area. The barbed nail corona wire is fixed to the axis of the connecting pipe. The front high-voltage electrostatic generator is connected with the barbed nail corona wire. The outer wall of the connecting pipe is grounded. The rotational flow guide blade is nested in the middle of the connecting pipe. The rear portion of the hollow spiral pipe surrounds the inner wall of the insulating layer. One end of the hollow spiral pipe is connected with a water tank. The other end of the hollow spiral pipe is sealed and fixed in the insulating layer. The rear high-voltage electrostatic generator is connected with the hollow spiral pipe. The automobile exhaust purifying device can enable exhaust to be charged sufficiently, water consumption is little, the acting time of charged fine water spray on automobile exhaust is long, and the purification efficiency is high.
Description
Technical field
The invention belongs to technical field of waste gas treatment, particularly relate to a kind of charged water mists and purify the device of vehicle exhaust.
Background technology
At present, China's each big city haze phenomenon takes place frequently, and air pollution situation is the severeest.Haze is less than containing a large amount of particle diameters
The fine particle (being called for short PM2.5) of 2.5 microns, these fine particle long-term suspension in atmosphere, can directly pass through respiratory system
Enter bronchus even pulmonary, cause respiratory system disease.There are some researches show: in air, PM2.5 often raises 10 μ g/m3, I
State's resident's daily mortality rises 0.31% the most therewith.Along with the increase of China's automobile pollution, annual a large amount of vehicle exhausts enter
In air, vehicle exhaust has been increasingly becoming the main source of PM2.5.Administering air pollution, vehicle exhaust can not be ignored.
Chinese patent notification number CN203809083U, entitled " a kind of vehicle exhaust electrostatic precipitator " are by vehicle exhaust warp
After crossing the cohesion of two-stage charged system, use the method for metal collecting plate absorption to remove Vehicle Exhaust Particulate, have a disadvantage in that: dress
Put power consumption higher and low for PM2.5 purification efficiency;China Patent Publication No. CN103089375A, entitled " vehicle exhaust
Wet dust separater " utilize blower fan to make vehicle exhaust respectively by purifying vapour equipped with the two-layer filtering material in the dust cleaning case of water
Tail gas, has a disadvantage in that: device volume is relatively big, energy consumption is high;China Patent Publication No. CN102979600A, entitled " vapour
Tail gas purifier " vehicle exhaust is utilized the spraying adsorption particle thing of oppositely charged and by NHD (PVOH after charged
Dimethyl ether) carry out harmful gas in cleaning of off-gas, have a disadvantage in that: device volume is big, particulate matter is charged and water smoke adsorption time is short,
And then cause purification efficiency low.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of charged water mists purifies the device of vehicle exhaust.Should
Vehicle exhaust plant energy consumption is low, purification efficiency is high, simple in construction for the purification of charged water mists, can effectively remove having in vehicle exhaust
Evil gas and particulate matter.
For achieving the above object, the technical solution used in the present invention is:
A kind of charged water mists purifies the device of vehicle exhaust, and including being contained in the tail gas connecting tube after automobile exhaust pipe, tail gas connects
Pipe ground connection;It is followed successively by corona charging district, electrostatic atomization district in described tail gas connecting tube, is provided with in described corona charging district and first
The barbed nail corona electrode that HV generator is electrically connected by wire, barbed nail corona electrode is positioned on tail gas connecting tube axis, described tail
Gas connecting tube tube wall is provided with insulated sleeve, and described wire passes tail gas connecting tube by insulated sleeve;Described corona charging district with
Rotational flow guide vane is set between electrostatic atomization district, is provided with exhausted with what described tail gas connecting tube inwall fitted tightly in described electrostatic atomization district
Edge layer, be positioned at the cored screw pipe in the surrounded space of insulating barrier, described cored screw pipe be have on metal material, tube wall many
Individual apopore, one end of described cored screw pipe connects with the water tank being positioned at outside tail gas connecting tube, the other end is fixed on after sealing
In insulating barrier, described cored screw pipe also electrically connects with the second HV generator, and the downstream in described electrostatic atomization district is provided with can
The water collector of dismounting.
Preferably, described tail gas connecting tube is having netted apopore on water collector contact surface.
Preferably, described cored screw pipe and insulating barrier interference fits.
Preferably, described barbed nail corona electrode length 20~50cm, it is 5~10mm that its outer surface is distributed uniformly and circumferentially 4 row height
Prickle.
Preferably, the middle part of described tail gas connecting tube is provided with circular cyclone stator, and circular cyclone stator is nested in tail gas connecting tube
Wall.
Preferably, described cored screw bore is 6~12mm, a diameter of 0.5mm of apopore on cored screw tube wall.
The present invention uses corona charging form to carry out charged to vehicle exhaust, when applying DC high-voltage on corona wire, and corona
Uneven electric field will be formed so that the electron motion in gas accelerates to be enough to make the gas near corona wire reach near line
The degree of ionization, a large amount of high energy electrons comprised in uneven electric field can collide the harmful gas in tail gas during motion
Make gas molecule chemical bond rupture, thus reach to reduce the purpose of vehicle exhaust harmful components.The ion that gas ionization produces exists
Colliding and attached thereto with the suspended particles in air-flow during dust collector pole moves, the attachment of ion causes charging particle.
Charged particle enters electrostatic atomization district through rotational flow guide vane, and when applying DC high voltage on cored screw pipe, the water in water tank exists
The drop that under action of gravity, the micropore on serpentine pipe overflows can be broken for the charged water mists of a large amount of band like charges, i.e. electrostatic mist
Change phenomenon.These charged water mists mutually adsorb with the Vehicle Exhaust Particulate of oppositely charged, thus reach to remove vehicle exhaust
The purpose of particulate matter.
The present invention compared with prior art has the advantage that
1, present configuration is simple, it is easy to installs, dismantle.
2, the present invention uses corona wire charged, and the tail gas time of staying in the electric field is long, and charged efficiency is high;Rotational flow guide vane makes tail gas produce
Raw eddy flow, can increase tail gas and charged water mists action time;Device rear portion uses serpentine pipe atomising device, considerably increases spray
Mist scope and the charged water mists of even dispersion can be produced, the common effect of above three, make this device have higher purification
Efficiency.
3, the present invention does not set booster pump in electrostatic atomization district, just can reach spray effect while droplets, and energy consumption is relatively low.
4, the present invention uses charged water mists to purify vehicle exhaust, particularly evident for fine particle thing clean-up effects such as PM2.5.
Accompanying drawing explanation
Fig. 1 is the apparatus structure schematic diagram that charged water mists of the present invention purifies vehicle exhaust.
Fig. 2 is the left view of barbed nail corona electrode.
Fig. 3 is the left view of rotational flow guide vane.
Fig. 4 is the structural representation of cored screw pipe.
Fig. 5 is top view and the left view of water collector.
In figure:
1. tail gas connecting tube;2. barbed nail corona electrode;3. insulated sleeve;4. the first HV generator;5. rotational flow guide vane;6.
Insulating barrier;7. water tank;8. the second HV generator;9. cored screw pipe;10. water collector.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further illustrated, but protection scope of the present invention is not limited to
This.
As it is shown in figure 1, charged water mists of the present invention purifies vehicle exhaust device, comprise the tail after being contained in automobile exhaust pipe
Gas connecting tube 1, in the corona charging district of tail gas connecting tube 1 front portion, barbed nail corona electrode 2 is positioned at tail gas connecting tube 1 axis, the
One HV generator 4 is with barbed nail corona electrode 2 by being connected through the wire of insulated sleeve 3, and described insulated sleeve 3 is arranged
On tail gas connecting tube 1 tube wall.As in figure 2 it is shown, described barbed nail corona electrode 4 long 20~50cm, its outer surface is along the circumferential direction
It is uniformly distributed the prickle that 4 row height are 5~10mm.Open the first HV generator 4, shape around barbed nail corona electrode 2
Become uneven highfield, after vehicle exhaust enters corona charging district, harmful gas molecule and high energy electron collision in electric field, change
Learn bond fission, thus reduce harmful gas in tail gas.High energy electron in electric field clashes into fine particle in tail gas in motor process
And be attached on particulate matter make negative electricity on particulate matter band.
The rotational flow guide vane 5 being nested in tail gas connecting tube 1, rotational flow guide vane 5 are set between described corona charging district and electrostatic atomization district
As shown in Figure 3.Charged exhaust particulate thing forms eddy flow after rotational flow guide vane 5 and enters electrostatic atomization district.In tail gas connecting tube 1
Electrostatic atomization district in be provided with fit tightly with described tail gas connecting tube 1 inwall insulating barrier 6, be positioned at the surrounded sky of insulating barrier 6
Interior cored screw pipe 9.As shown in Figure 4, described cored screw pipe 9 has multiple apopore on metal material, tube wall,
One end of described cored screw pipe 9 connects with the water tank 7 being positioned at outside tail gas connecting tube 1, is fixed on insulation after other end sealing
In layer 6.Described cored screw pipe 9 also electrically connects with the second HV generator 8, and the downstream in described electrostatic atomization district is provided with
Dismountable water collector 10.
Open rear portion HV generator 8, the liquid that the micropore on serpentine pipe 9 under gravity of the water in water tank 7 overflows
Dripping the charged water mists that can be broken for a large amount of band like charges, the water mists of band like charges is mutually exclusive, and uniform disperse is at tail
In the electrostatic atomization region of gas connecting tube 1.Charged exhaust particulate thing rotates into electrostatic atomization district through rotational flow guide vane 5, with band
The water mists of opposite charges mutually adsorbs under Coulomb force acts on, condenses, and final dust-laden droplet is deposited on tube wall and at tail gas
Water collector 10 is flowed into through the opened mesh of tube wall, as it is shown in figure 5, tail gas is purified under airflow function.
Described embodiment be the present invention preferred embodiment, but the present invention is not limited to above-mentioned embodiment, without departing substantially from this
In the case of the flesh and blood of invention, any conspicuously improved, replacement or modification that those skilled in the art can make are equal
Belong to protection scope of the present invention.
Claims (6)
1. the device of a charged water mists purification vehicle exhaust, it is characterised in that include that the tail gas after being contained in automobile exhaust pipe is even
Adapter (1), tail gas connecting tube (1) ground connection;It is followed successively by corona charging district, electrostatic atomization district in described tail gas connecting tube (1),
The barbed nail corona electrode (2) electrically connected with the first HV generator (4), prickle it is provided with by wire in described corona charging district
Corona wire (2) is positioned on tail gas connecting tube (1) axis, and described tail gas connecting tube (1) tube wall is provided with insulated sleeve (3),
Described wire passes tail gas connecting tube (1) by insulated sleeve (3);Arrange between described corona charging district and electrostatic atomization district
Rotational flow guide vane (5), be provided with in described electrostatic atomization district fit tightly with described tail gas connecting tube (1) inwall insulating barrier (6),
Being positioned at the cored screw pipe (9) in insulating barrier (6) surrounded space, described cored screw pipe (9) is metal material, tube wall
On there is multiple apopore, one end of described cored screw pipe (9) and be positioned at the outside water tank (7) of tail gas connecting tube (1) even
Be fixed in insulating barrier (6) after logical, other end sealing, described cored screw pipe (9) also with the second HV generator (8)
Electrically connecting, the downstream in described electrostatic atomization district is provided with dismountable water collector (10).
Charged water mists the most according to claim 1 purifies the device of vehicle exhaust, it is characterised in that: described tail gas connects
Pipe (1) is having netted apopore on water collector (10) contact surface.
Charged water mists the most according to claim 1 purifies the device of vehicle exhaust, it is characterised in that: described cored screw
Pipe (9) and insulating barrier (6) interference fits.
Charged water mists the most according to claim 1 purifies the device of vehicle exhaust, it is characterised in that: described prickle corona
Line (2) long 20~50cm, its outer surface is distributed uniformly and circumferentially the prickle that 4 row height are 5~10mm.
Charged water mists the most according to claim 1 purifies the device of vehicle exhaust, it is characterised in that: described tail gas connects
The middle part of pipe (1) is provided with circular cyclone stator (5), and circular cyclone stator (5) is nested in tail gas connecting tube (1) inwall.
Charged water mists the most according to claim 1 purifies the device of vehicle exhaust, it is characterised in that: described cored screw
Pipe (9) internal diameter is 6~12mm, a diameter of 0.5mm of apopore on cored screw pipe (9) tube wall.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610586175.4A CN106014547B (en) | 2016-07-22 | 2016-07-22 | A kind of device of charged water mists purification vehicle exhaust |
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Application Number | Priority Date | Filing Date | Title |
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CN201610586175.4A CN106014547B (en) | 2016-07-22 | 2016-07-22 | A kind of device of charged water mists purification vehicle exhaust |
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CN106014547A true CN106014547A (en) | 2016-10-12 |
CN106014547B CN106014547B (en) | 2019-02-05 |
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CN201610586175.4A Active CN106014547B (en) | 2016-07-22 | 2016-07-22 | A kind of device of charged water mists purification vehicle exhaust |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106474853A (en) * | 2016-11-04 | 2017-03-08 | 榆林学院 | A kind of device of utilization micropore water fog method purify air |
CN107676151A (en) * | 2017-09-06 | 2018-02-09 | 哈尔滨工程大学 | A kind of diesel engine particles cyclone filter |
CN113309600A (en) * | 2021-05-25 | 2021-08-27 | 中国煤炭科工集团太原研究院有限公司 | Tail gas purification device and explosion-proof diesel engine |
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US3503704A (en) * | 1966-10-03 | 1970-03-31 | Alvin M Marks | Method and apparatus for suppressing fumes with charged aerosols |
CN102588049A (en) * | 2012-02-22 | 2012-07-18 | 江苏大学 | Processing device and method for removing fine particulate matter in automobile tail gas by electrostatic spraying |
CN102979600A (en) * | 2012-12-28 | 2013-03-20 | 长安大学 | Automobile tail gas purifying device |
JP2013167160A (en) * | 2012-02-14 | 2013-08-29 | Ska Ltd | Exhaust gas purification device and purification method |
CN104912627A (en) * | 2015-04-29 | 2015-09-16 | 青岛康源聚力生物科技有限公司 | Device for removing PM2.5 particles in automobile exhaust and use method thereof |
CN205876439U (en) * | 2016-07-22 | 2017-01-11 | 江苏大学 | Thin water smoke purified automobile exhaust gas's of lotus electricity device |
-
2016
- 2016-07-22 CN CN201610586175.4A patent/CN106014547B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3503704A (en) * | 1966-10-03 | 1970-03-31 | Alvin M Marks | Method and apparatus for suppressing fumes with charged aerosols |
JP2013167160A (en) * | 2012-02-14 | 2013-08-29 | Ska Ltd | Exhaust gas purification device and purification method |
CN102588049A (en) * | 2012-02-22 | 2012-07-18 | 江苏大学 | Processing device and method for removing fine particulate matter in automobile tail gas by electrostatic spraying |
CN102979600A (en) * | 2012-12-28 | 2013-03-20 | 长安大学 | Automobile tail gas purifying device |
CN104912627A (en) * | 2015-04-29 | 2015-09-16 | 青岛康源聚力生物科技有限公司 | Device for removing PM2.5 particles in automobile exhaust and use method thereof |
CN205876439U (en) * | 2016-07-22 | 2017-01-11 | 江苏大学 | Thin water smoke purified automobile exhaust gas's of lotus electricity device |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106474853A (en) * | 2016-11-04 | 2017-03-08 | 榆林学院 | A kind of device of utilization micropore water fog method purify air |
CN107676151A (en) * | 2017-09-06 | 2018-02-09 | 哈尔滨工程大学 | A kind of diesel engine particles cyclone filter |
CN113309600A (en) * | 2021-05-25 | 2021-08-27 | 中国煤炭科工集团太原研究院有限公司 | Tail gas purification device and explosion-proof diesel engine |
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