CN106014547B - A kind of device of charged water mists purification vehicle exhaust - Google Patents
A kind of device of charged water mists purification vehicle exhaust Download PDFInfo
- Publication number
- CN106014547B CN106014547B CN201610586175.4A CN201610586175A CN106014547B CN 106014547 B CN106014547 B CN 106014547B CN 201610586175 A CN201610586175 A CN 201610586175A CN 106014547 B CN106014547 B CN 106014547B
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- China
- Prior art keywords
- tail gas
- connecting tube
- cored screw
- vehicle exhaust
- pipe
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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
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- 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
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- 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)
- Exhaust Gas After Treatment (AREA)
- Electrostatic Separation (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
The present invention provides a kind of devices of charged water mists purification vehicle exhaust comprising the tail gas connecting tube after being installed at automobile exhaust pipe；Tail gas connecting tube front is corona charging area；Middle part is rotational flow guide vane；Rear portion is electrostatic atomization area；Corona charging area includes HV generator, barbed nail corona electrode, insulating sleeve；Electrostatic atomization area includes insulating layer, HV generator, the cored screw pipe for being nested in connection inside pipe wall；Barbed nail corona electrode is fixed at connecting tube axis, and front HV generator is connected with barbed nail corona electrode, connection pipe outer wall ground connection；Rotational flow guide vane is nested in the middle part of connecting tube；Rear portion cored screw pipe ring is wound on insulating layer inner wall, and cored screw pipe one end is connected with water tank, is fixed in insulating layer after another end closure；Rear portion HV generator is connected with cored screw pipe；The automobile exhaust gas purifying installation can make tail gas sufficiently charged, and water consumption is few, and charged water mists and tail gas long action time, and purification efficiency is high.
Description
Technical field
The invention belongs to technical field of waste gas treatment more particularly to a kind of devices of charged water mists purification vehicle exhaust.
Background technique
Currently, the major city haze phenomenon in China takes place frequently, air pollution situation very severe.Contain a large amount of partial sizes in haze
Fine particle (abbreviation PM2.5) less than 2.5 microns, these fine particle long-term suspensions in air, can directly pass through breathing
System enters bronchus even lung, causes respiratory disease.Studies have shown that: 10 μ g/m of the every raising of PM2.5 in atmosphere3,
China's resident's daily mortality just rises with it 0.31%.With the increase of China's car ownership, annual a large amount of vehicle exhausts
It is discharged into atmosphere, vehicle exhaust has been increasingly becoming the main source of PM2.5.Air pollution is administered, vehicle exhaust can not be ignored.
Chinese patent notification number CN203809083U, entitled " a kind of vehicle exhaust electrostatic precipitator " are by vehicle exhaust
After the charged system cohesion of two-stage, Vehicle Exhaust Particulate is removed using the method for metal collecting plate absorption, is had a disadvantage in that:
Device energy-wasting is higher and low for PM2.5 purification efficiency；China Patent Publication No. CN103089375A, entitled " vehicle exhaust
Wet dust separater " using blower purify vehicle exhaust by two layers filtering material in the dust cleaning case equipped with water respectively
Vehicle exhaust has a disadvantage in that: device volume is larger, energy consumption is high；China Patent Publication No. CN102979600A, entitled " vapour
Vehicle exhaust using the spraying absorption particulate matter of oppositely charged and is passed through NHD (polyethanol after charged by tailstock air purifying apparatus "
Dimethyl ether) carry out pernicious gas in cleaning of off-gas, have a disadvantage in that: device volume is big, particulate matter is charged and water mist 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 of the prior art and provide a kind of dresses of charged water mists purification vehicle exhaust
It sets.Charged water mists purification vehicle exhaust plant energy consumption is low, purification efficiency is high, structure is simple for this, can effectively remove vehicle exhaust
In pernicious gas and particulate matter.
To achieve the above object, the technical solution adopted by the present invention is that:
A kind of device of charged water mists purification vehicle exhaust, including the tail gas connecting tube after automobile exhaust pipe, tail
Gas connecting tube ground connection；It is followed successively by corona charging area, electrostatic atomization area in the tail gas connecting tube, is equipped in the corona charging area
The barbed nail corona electrode electrically connected with the first HV generator by conducting wire, barbed nail corona electrode are located at tail gas connecting tube axis
On, the tail gas connection tube wall is equipped with insulating sleeve, and the conducting wire passes through tail gas connecting tube by insulating sleeve；The electricity
Rotational flow guide vane is set between dizzy charging area and electrostatic atomization area, is equipped in the electrostatic atomization area and connect inside pipe wall with the tail gas
Insulating layer, the cored screw pipe in the surrounded space of insulating layer fitted closely, the cored screw pipe be metal material,
There are multiple apopores, one end of the cored screw pipe is connected to the water tank being located at outside tail gas connecting tube, is another on tube wall
It is fixed in insulating layer after end closure, the cored screw pipe is also electrically connected with the second HV generator, the electrostatic mist
The downstream for changing area is equipped with dismountable water collector.
Preferably, the tail gas connecting tube be provided with netted apopore on water collector contact surface.
Preferably, the cored screw pipe and insulating layer transition fit.
Preferably, the long 20~50cm of the barbed nail corona electrode, it is 5 that outer surface, which is distributed uniformly and circumferentially 4 column height,
The prickle of~10mm.
Preferably, the middle part of the tail gas connecting tube is equipped with circular cyclone guide vane, and circular cyclone guide vane is nested in tail gas company
Nozzle inner wall.
Preferably, the cored screw bore is 6~12mm, and the water outlet bore dia on cored screw tube wall is
0.5mm。
The present invention vehicle exhaust is carried out using corona charging form it is charged, when applying DC high-voltage on corona wire
When, corona wire nearby just will form non-uniform electric field, be enough to make near corona wire so that the electron motion in gas accelerates to
Gas reach the degree of ionization, a large amount of high energy electrons for including in non-uniform electric field can collide tail gas in the process of movement
In pernicious gas make gas molecule chemical bond rupture, thus achieve the purpose that reduce vehicle exhaust harmful components.Gas electricity
From the ion of generation to gather dust polar motion during in air-flow suspended particles collision and face attached thereto, ion
Attachment leads to charging particle.Charged particle enters electrostatic atomization area through rotational flow guide vane, high when applying direct current on cored screw pipe
When voltage, the drop that the water in water tank is overflowed through the micropore on helix tube under the effect of gravity can be broken for a large amount of band like charges
Charged water mists, i.e. electrostatic atomization phenomenon.The Vehicle Exhaust Particulate of these charged water mists and oppositely charged is mutually inhaled
It is attached, to achieve the purpose that remove Vehicle Exhaust Particulate.
Compared with the prior art, the present invention has the following advantages:
1, the configuration of the present invention is simple is easily installed, dismantles.
2, the present invention is charged using corona wire, and the residence time is long in the electric field for tail gas, charged high-efficient；Rotational flow guide vane makes tail
Gas generates eddy flow, can increase tail gas and charged water mists action time；Device rear portion uses helix tube atomising device, greatly increases
Spread of spray and the charged water mists that can produce even dispersion, the collective effect of the above three have the present apparatus higher
Purification efficiency.
3, the present invention does not set booster pump in electrostatic atomization area, just can reach spray effect, energy consumption while droplets
It is lower.
4, the present invention purifies vehicle exhaust using charged water mists, especially for the tiny particles contents such as PM2.5 clean-up effect
Obviously.
Detailed description of the invention
Fig. 1 is the apparatus structure schematic diagram that charged water mists of the present invention purify 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 schematic diagram of cored screw pipe.
Fig. 5 is the top view and left view of water collector.
In figure:
1. tail gas connecting tube；2. barbed nail corona electrode；3. insulating sleeve；4. the first HV generator；5. rotational flow guide vane；
6. insulating layer；7. water tank；8. the second HV generator；9. cored screw pipe；10. water collector.
Specific embodiment
Present invention will be further explained with reference to the attached drawings and specific examples, but protection scope of the present invention is simultaneously
It is without being limited thereto.
As shown in Figure 1, charged water mists of the present invention purify vehicle exhaust device, comprising after automobile exhaust pipe
Tail gas connecting tube 1, barbed nail corona electrode 2 is located at 1 axis of tail gas connecting tube in the corona charging area of 1 front of tail gas connecting tube,
First HV generator 4 is connect with barbed nail corona electrode 2 by passing through the conducting wire of insulating sleeve 3, and the insulating sleeve 3 is arranged
On 1 tube wall of tail gas connecting tube.As shown in Fig. 2, the long 20~50cm of the barbed nail corona electrode 4, outer surface are along the circumferential direction equal
The prickle that even 4 column height of distribution is 5~10mm.The first HV generator 4 is opened, is formed not around barbed nail corona electrode 2
Uniform strong electrical field, after vehicle exhaust enters corona charging area, high energy electron is collided in pernicious gas molecule and electric field, chemical bond
Fracture, to reduce pernicious gas in tail gas.High energy electron in electric field hits in tail gas fine particle simultaneously during the motion
It is attached on particulate matter and makes negative electricity on particulate matter band.
The rotational flow guide vane 5 being nested in tail gas connecting tube 1, eddy flow are set between the corona charging area and electrostatic atomization area
Guide vane 5 is as shown in Figure 3.The exhaust particulate object of electrification forms eddy flow after rotational flow guide vane 5 and enters electrostatic atomization area.It is connected in tail gas
It is equipped with the insulating layer 6 fitted closely with 1 inner wall of tail gas connecting tube in the electrostatic atomization area of pipe 1, is surrounded positioned at insulating layer 6
Cored screw pipe 9 in space.As shown in figure 4, the cored screw pipe 9 is metal material, has multiple apopores on tube wall,
One end of the cored screw pipe 9 is connected to the water tank 7 being located at outside tail gas connecting tube 1, and insulation is fixed on after another end closure
In layer 6.The cored screw pipe 9 is also electrically connected with the second HV generator 8, and the downstream in the electrostatic atomization area is equipped with can
The water collector 10 of disassembly.
Rear portion HV generator 8 is opened, the water in water tank 7 is overflowed through the micropore on helix tube 9 under the effect of gravity
Drop can be broken for the largely charged water mists with like charges, the water mists with like charges are mutually exclusive, uniformly more
It is dispersed in the electrostatic atomization region of tail gas connecting tube 1.The exhaust particulate object of electrification rotates into electrostatic atomization through rotational flow guide vane 5
Area mutually adsorbs under Coulomb force effect with the water mists of oppositely charged, agglomerates, and final dust-laden droplet is deposited on tube wall
And water collector 10 is flowed into through the opened mesh of tube wall under exhaust gas flow effect, as shown in figure 5, tail gas is purified.
The embodiment is a preferred embodiment of the present invention, but present invention is not limited to the embodiments described above, not
In the case where substantive content of the invention, any conspicuous improvement that those skilled in the art can make, replacement
Or modification all belongs to the scope of protection of the present invention.
Claims (6)
1. a kind of device of charged water mists purification vehicle exhaust, which is characterized in that including the tail gas after automobile exhaust pipe
Connecting tube (1), tail gas connecting tube (1) ground connection；Corona charging area, electrostatic atomization area, institute are followed successively by the tail gas connecting tube (1)
State the barbed nail corona electrode (2) for being equipped in corona charging area and electrically connecting with the first HV generator (4) by conducting wire, prickle electricity
Hachure (2) is located on tail gas connecting tube (1) axis, and tail gas connecting tube (1) tube wall is equipped with insulating sleeve (3), described to lead
Line passes through tail gas connecting tube (1) by insulating sleeve (3)；Rotational flow guide vane is set between the corona charging area and electrostatic atomization area
(5), it is equipped with the insulating layer (6) fitted closely with tail gas connecting tube (1) inner wall in the electrostatic atomization area, is located at insulating layer
(6) the cored screw pipe (9) in surrounded space, the cored screw pipe (9) are metal material, have multiple water outlets on tube wall
Hole, one end of the cored screw pipe (9) water tank (7) external with tail gas connecting tube (1) is located at are connected to, are solid after another end closure
It is scheduled in insulating layer (6), the cored screw pipe (9) also electrically connects with the second HV generator (8), the electrostatic atomization
The downstream in area is equipped with dismountable water collector (10).
2. the device of charged water mists purification vehicle exhaust according to claim 1, it is characterised in that: the tail gas connection
Pipe (1) be provided with netted apopore on water collector (10) contact surface.
3. the device of charged water mists purification vehicle exhaust according to claim 1, it is characterised in that: the cored screw
(9) and insulating layer (6) are managed to be interference fitted.
4. the device of charged water mists purification vehicle exhaust according to claim 1, it is characterised in that: the prickle corona
Line (2) grows 20~50cm, and outer surface is distributed uniformly and circumferentially the prickle that 4 column height is 5~10mm.
5. the device of charged water mists purification vehicle exhaust according to claim 1, it is characterised in that: the tail gas connection
The middle part for managing (1) is equipped with rotational flow guide vane (5), and rotational flow guide vane (5) is nested in tail gas connecting tube (1) inner wall.
6. the device of charged water mists purification vehicle exhaust according to claim 1, it is characterised in that: the cored screw
Pipe (9) internal diameter is 6~12mm, and the water outlet bore dia on cored screw pipe (9) tube wall is 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610586175.4A CN106014547B (en) | 2016-07-22 | 2016-07-22 | A kind of device of charged water mists purification vehicle exhaust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Publication Number | Publication Date |
|---|---|
| CN106014547A CN106014547A (en) | 2016-10-12 |
| CN106014547B true CN106014547B (en) | 2019-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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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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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN113309600B (en) * | 2021-05-25 | 2022-11-01 | 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 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205876439U (en) * | 2016-07-22 | 2017-01-11 | 江苏大学 | Thin water smoke purified automobile exhaust gas's of lotus electricity device |
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| 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 |
| CN102588049B (en) * | 2012-02-22 | 2014-05-28 | 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 |
| CN104912627B (en) * | 2015-04-29 | 2018-05-11 | 青岛聚纳达科技有限公司 | The device and its application method of PM2.5 particulate matters in a kind of elimination vehicle exhaust |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205876439U (en) * | 2016-07-22 | 2017-01-11 | 江苏大学 | Thin water smoke purified automobile exhaust gas's of lotus electricity device |
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