CN107288725A - A kind of automobile exhaust gas processing apparatus - Google Patents

A kind of automobile exhaust gas processing apparatus Download PDF

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Publication number
CN107288725A
CN107288725A CN201710724312.0A CN201710724312A CN107288725A CN 107288725 A CN107288725 A CN 107288725A CN 201710724312 A CN201710724312 A CN 201710724312A CN 107288725 A CN107288725 A CN 107288725A
Authority
CN
China
Prior art keywords
chamber
outlet
dividing plate
treatment device
processing apparatus
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.)
Pending
Application number
CN201710724312.0A
Other languages
Chinese (zh)
Inventor
刘华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhu Evershine Automotive Component Co Ltd
Original Assignee
Wuhu Evershine Automotive Component Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhu Evershine Automotive Component Co Ltd filed Critical Wuhu Evershine Automotive Component Co Ltd
Priority to CN201710724312.0A priority Critical patent/CN107288725A/en
Publication of CN107288725A publication Critical patent/CN107288725A/en
Pending legal-status Critical Current

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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
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0821—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with particulate filters
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • 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
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/022—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
    • 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
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/022—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
    • F01N3/0226—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous the structure being fibrous
    • 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
    • F01N2250/00—Combinations of different methods of purification
    • F01N2250/06—Combinations of different methods of purification afterburning and filtering
    • 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
    • F01N2250/00—Combinations of different methods of purification
    • F01N2250/14—Combinations of different methods of purification absorption or adsorption, and filtering
    • 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
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/06—Ceramic, e.g. monoliths
    • 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
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/10—Fibrous material, e.g. mineral or metallic wool
    • 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
    • F01N2370/00—Selection of materials for exhaust purification
    • F01N2370/40—Activated carbon or charcoal
    • 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
    • F01N2510/00—Surface coverings
    • F01N2510/08—Surface coverings for corrosion prevention

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)
  • Processes For Solid Components From Exhaust (AREA)

Abstract

The present invention relates to vehicle maintenance service technical field, more particularly to a kind of automobile exhaust gas processing apparatus.A kind of automobile exhaust gas processing apparatus of the present invention, including：Engine, the blast pipe that is connected with the exhaust outlet of the engine, the dissolving adsorption treatment device being connected with the blast pipe, the burning processor being connected with the dissolving adsorption treatment device and the silencer being connected with the processor that burns；Dissolution filter processing can be carried out to tail gas by dissolving adsorption treatment device, processor carries out second-time burning processing by burning, and can lift vehicle maintenance service effect, reduces tail gas pollution.

Description

A kind of automobile exhaust gas processing apparatus
Technical field
The present invention relates to vehicle maintenance service technical field, more particularly to a kind of automobile exhaust gas processing apparatus.
Background technology
There is substantial amounts of harmful substance in vehicle exhaust, any discharge can cause serious environmental pollution, cause haze etc. Bad weather, therefore need before motor vehicle exhaust emission to air to handle vehicle exhaust, at existing vehicle exhaust Reason unit efficiency is relatively low, and treatment effect is not good.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of automobile exhaust gas processing apparatus, vehicle maintenance service can be lifted Effect, reduces tail gas pollution.Meanwhile, present invention also offers a kind of dissolving adsorption treatment device of automobile exhaust gas processing apparatus and its Manufacturing process.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of automobile exhaust gas processing apparatus, including： Engine, the blast pipe that is connected with the exhaust outlet of the engine, the dissolving adsorption treatment device being connected with the blast pipe and institute State the connected burning processor of dissolving adsorption treatment device and the silencer being connected with the burning processor；
The dissolving adsorption treatment device includes：Housing, the lysing chamber being arranged in order from bottom to top in the housing, the first mistake Filter chamber, the second filter chamber and outlet chamber and separate the of the lysing chamber, the first filter chamber, the second filter chamber and outlet chamber One dividing plate, second partition and the 3rd dividing plate；First dividing plate, second partition and the 3rd dividing plate have been respectively formed on multiple stomatas, The side of the lysing chamber is provided with air inlet pipe, and the side of the outlet chamber is provided with gas outlet, and the air inlet pipe inserts the dissolving Activated carbon and ceramic fibre are separately filled with the bottom of chamber, first filter chamber and the second filter chamber；
The burning processor includes：Combustion chamber, the igniter in the combustion chamber and it is connected with the combustion chamber Air intake pump.
The opposite side of the lysing chamber is additionally provided with inlet and the liquid outlet below inlet.
Valve is equipped with the inlet and the liquid outlet.
A kind of dissolving adsorption treatment device of automobile exhaust gas processing apparatus, including housing, in housing from bottom to top successively The lysing chamber of arrangement, the first filter chamber, the second filter chamber and outlet chamber and dividing soluble chamber, the first filter chamber, the second filtering The first dividing plate, second partition and the 3rd dividing plate of chamber and outlet chamber；First dividing plate, second partition and the 3rd dividing plate have been respectively formed on Multiple stomatas, the side of lysing chamber is provided with air inlet pipe, and the side of outlet chamber is provided with gas outlet, and air inlet pipe inserts the bottom of lysing chamber Activated carbon and ceramic fibre are separately filled with portion, the first filter chamber and the second filter chamber.
A kind of manufacturing process of the dissolving adsorption treatment device of automobile exhaust gas processing apparatus, step is as follows：
1., construct and be molded
Dissolve adsorption treatment device, including housing, the lysing chamber being arranged in order from bottom to top in housing, the first filter chamber, the Two filter chambers and outlet chamber and dividing soluble chamber, the first filter chamber, the first dividing plate of the second filter chamber and outlet chamber, second Dividing plate and the 3rd dividing plate；First dividing plate, second partition and the 3rd dividing plate have been respectively formed on multiple stomatas, and the side of lysing chamber is provided with Air inlet pipe, the side of outlet chamber is provided with gas outlet, and air inlet pipe is inserted in the bottom of lysing chamber, the first filter chamber and the second filter chamber It is separately filled with activated carbon and ceramic fibre；
Housing is welded by Q235 steel, and welding uses carbon dioxide gas arc welding；
Dividing plate is that have carbon steel forging molding, and stomata is by being stamped and formed out；
Activated carbon and ceramic fibre are prepared according to prior art；
2., pre-process
The surface spraying overcoat of inner surface and dividing plate to housing, spraying is clean using pure water rinsing after terminating, Ran Houyu It is heat-treated 10 hours at 180 DEG C；
Pretreatment fluid is by 25 parts of polyester resin, 5 parts of aluminum phosphate, 3 parts of 2- cyanacrylates, 4 parts of ultra-violet absorber, rush Enter 6 parts of agent, 7 parts of ethylene glycol, 2 parts of Propineb, 4.5 parts of chitin to be made within 1.5 hours in reaction at 80 DEG C in a kettle.；
3., assemble
Case top leaves a blank to be welded, loads the first dividing plate, activated carbon, second partition, ceramic fibre and in housing successively Three dividing plates, then seal welding by case top.
Advantage for present invention is with effect：
1）, the present invention a kind of automobile exhaust gas processing apparatus, including：Engine, be connected exhaust with the exhaust outlet of the engine Pipe, be connected with the blast pipe dissolving adsorption treatment device, with it is described dissolve adsorption treatment device be connected burning processor, with And the silencer being connected with the burning processor；Dissolution filter processing can be carried out to tail gas by dissolving adsorption treatment device, led to Cross burning processor and carry out second-time burning processing, vehicle maintenance service effect can be lifted, reduce tail gas pollution.
2）, a kind of automobile exhaust gas processing apparatus dissolving adsorption treatment device and its manufacturing process, technics comparing is simple, especially The surface spraying overcoat of inner surface and dividing plate to housing, so that its corrosion resistance is stronger, so as to improve car tail The service life of Flash Gas Compression Skid System.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is a kind of structure chart of automobile exhaust gas processing apparatus of the present invention；
Fig. 2 is a kind of structure chart of the dissolving adsorption treatment device of automobile exhaust gas processing apparatus of the present invention；
In figure：Engine 1, blast pipe 2, dissolving adsorption treatment device 3, burning processor 4, silencer 5, housing 31, lysing chamber 32, First filter chamber 33, the second filter chamber 34, outlet chamber 35, the first dividing plate 36, second partition 37, the 3rd dividing plate 38, air inlet pipe 39, Gas outlet 310, combustion chamber 41, igniter 42, air intake pump 43, inlet 311, liquid outlet 312, valve 313.
Embodiment
Embodiment 1
Fig. 1 and Fig. 2 are referred to, the present invention provides a kind of automobile exhaust gas processing apparatus, including：Engine 1 and the engine 1 Exhaust outlet be connected blast pipe 2, be connected with the blast pipe 2 dissolving adsorption treatment device 3, with it is described dissolve adsorption treatment device 3 connected burning processors 4 and the silencer 5 being connected with the burning processor 4.
The dissolving adsorption treatment device 3 includes：Housing 31, the dissolving being arranged in order from bottom to top in the housing 31 Chamber 32, the first filter chamber 33, the second filter chamber 34 and outlet chamber 35 and separate the lysing chamber 32, the first filter chamber 33, the The first dividing plate 36, the dividing plate 38 of second partition 37 and the 3rd of two filter chambers 34 and outlet chamber 35；First dividing plate 36, second every The dividing plate 38 of plate 37 and the 3rd has been respectively formed on multiple stomatas, and the side of the lysing chamber 32 is provided with air inlet pipe 39, the outlet chamber 35 side is provided with gas outlet 310, and the air inlet pipe 39 inserts the bottom of the lysing chamber 32, first filter chamber 33 and the Activated carbon and ceramic fibre are separately filled with two filter chambers 34.
The burning processor 4 includes：Combustion chamber 41, the igniter 42 in the combustion chamber 41 and with it is described The connected air intake pump 43 of combustion chamber 41.
Specifically, the opposite side of the lysing chamber 32 is additionally provided with inlet 312 and gone out positioned at described in the lower section of inlet 312 Liquid mouthful 311.
Specifically, valve 313 is equipped with the inlet 311 and the liquid outlet 312, can be by opening valve 313 Old lysate is discharged from liquid outlet and new lysate is inputted from inlet 311.
Specifically, in the present invention, tail gas, which enters after dissolving adsorption treatment device, first to be reacted with lysate, reacted The filtering that tail gas passes through the second filter chamber of the first filter chamber again enters burning processor from gas outlet, and burning processor is by entering Air pump inputs oxygen, then lights tail gas progress second-time burning by igniter, can lift vehicle maintenance service effect, reduce tail Gas pollutes.
Embodiment 2
A kind of manufacturing process of the dissolving adsorption treatment device of automobile exhaust gas processing apparatus, step is as follows：
1., construct and be molded
Dissolve adsorption treatment device, including housing, the lysing chamber being arranged in order from bottom to top in housing, the first filter chamber, the Two filter chambers and outlet chamber and dividing soluble chamber, the first filter chamber, the first dividing plate of the second filter chamber and outlet chamber, second Dividing plate and the 3rd dividing plate；First dividing plate, second partition and the 3rd dividing plate have been respectively formed on multiple stomatas, and the side of lysing chamber is provided with Air inlet pipe, the side of outlet chamber is provided with gas outlet, and air inlet pipe is inserted in the bottom of lysing chamber, the first filter chamber and the second filter chamber It is separately filled with activated carbon and ceramic fibre；
Housing is welded by Q235 steel, and welding uses carbon dioxide gas arc welding；
Dividing plate is that have carbon steel forging molding, and stomata is by being stamped and formed out；
Activated carbon and ceramic fibre are prepared according to prior art；
2., pre-process
The surface spraying overcoat of inner surface and dividing plate to housing, spraying is clean using pure water rinsing after terminating, Ran Houyu It is heat-treated 10 hours at 180 DEG C；
Pretreatment fluid is by 25 parts of polyester resin, 5 parts of aluminum phosphate, 3 parts of 2- cyanacrylates, 4 parts of ultra-violet absorber, rush Enter 6 parts of agent, 7 parts of ethylene glycol, 2 parts of Propineb, 4.5 parts of chitin to be made within 1.5 hours in reaction at 80 DEG C in a kettle.；
3., assemble
Case top leaves a blank to be welded, loads the first dividing plate, activated carbon, second partition, ceramic fibre and in housing successively Three dividing plates, then seal welding by case top.
The present invention is not limited to above-described embodiment, and embodiment is exemplary, it is intended to for explaining the present invention, and can not It is interpreted as limitation of the present invention.

Claims (3)

1. a kind of automobile exhaust gas processing apparatus, it is characterised in that including：Engine（1）And the engine（1）Exhaust outlet Be connected blast pipe（2）And the blast pipe（2）The dissolving adsorption treatment device being connected（3）And the dissolving adsorption treatment device （3）Connected burning processor（4）And with the burning processor（4）Connected silencer（5）；
The dissolving adsorption treatment device（3）Including：Housing（31）, positioned at the housing（31）What is be inside arranged in order from bottom to top is molten Solve chamber（32）, the first filter chamber（33）, the second filter chamber（34）And outlet chamber（35）And separate the lysing chamber（32）, One filter chamber（33）, the second filter chamber（34）And outlet chamber（35）The first dividing plate（36）, second partition（37）With the 3rd dividing plate （38）；First dividing plate（36）, second partition（37）With the 3rd dividing plate（38）It has been respectively formed on multiple stomatas, the lysing chamber （32）Side be provided with air inlet pipe（39）, the outlet chamber（35）Side be provided with gas outlet（310）, the air inlet pipe（39）Insert Enter the lysing chamber（32）Bottom, first filter chamber（33）With the second filter chamber（34）Inside be separately filled with activated carbon and Ceramic fibre；
The burning processor（4）Including：Combustion chamber（41）, located at the combustion chamber（41）Interior igniter（42）, Yi Jiyu The combustion chamber（41）Connected air intake pump（43）.
2. automobile exhaust gas processing apparatus as claimed in claim 1, it is characterised in that the lysing chamber（32）Opposite side also set There is inlet（312）With positioned at inlet（312）The liquid outlet of lower section（311）.
3. automobile exhaust gas processing apparatus as claimed in claim 2, it is characterised in that the inlet（311）With it is described go out liquid Mouthful（312）On be equipped with valve（313）.
CN201710724312.0A 2017-08-22 2017-08-22 A kind of automobile exhaust gas processing apparatus Pending CN107288725A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710724312.0A CN107288725A (en) 2017-08-22 2017-08-22 A kind of automobile exhaust gas processing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710724312.0A CN107288725A (en) 2017-08-22 2017-08-22 A kind of automobile exhaust gas processing apparatus

Publications (1)

Publication Number Publication Date
CN107288725A true CN107288725A (en) 2017-10-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710724312.0A Pending CN107288725A (en) 2017-08-22 2017-08-22 A kind of automobile exhaust gas processing apparatus

Country Status (1)

Country Link
CN (1) CN107288725A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007231869A (en) * 2006-03-02 2007-09-13 Sumino Giken Kogyo Kk Exhaust emission control device
CN202768116U (en) * 2012-09-11 2013-03-06 王廷胜 Automobile tail gas purification device
CN203374346U (en) * 2013-07-02 2014-01-01 冯生龙 Automobile tail-gas purifier
CN203962115U (en) * 2014-06-27 2014-11-26 汪伟 Automobile tail gas filtering device
CN205190007U (en) * 2015-12-07 2016-04-27 天津鑫新科技发展有限公司 Vehicle exhaust gas purifier
CN105888778A (en) * 2016-06-22 2016-08-24 北京华奥汽车服务有限公司 Multistage screen type automobile tail gas collecting device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007231869A (en) * 2006-03-02 2007-09-13 Sumino Giken Kogyo Kk Exhaust emission control device
CN202768116U (en) * 2012-09-11 2013-03-06 王廷胜 Automobile tail gas purification device
CN203374346U (en) * 2013-07-02 2014-01-01 冯生龙 Automobile tail-gas purifier
CN203962115U (en) * 2014-06-27 2014-11-26 汪伟 Automobile tail gas filtering device
CN205190007U (en) * 2015-12-07 2016-04-27 天津鑫新科技发展有限公司 Vehicle exhaust gas purifier
CN105888778A (en) * 2016-06-22 2016-08-24 北京华奥汽车服务有限公司 Multistage screen type automobile tail gas collecting device

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Application publication date: 20171024