CN106368784A - Purification type automobile exhaust pipe - Google Patents

Purification type automobile exhaust pipe Download PDF

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Publication number
CN106368784A
CN106368784A CN201610774494.8A CN201610774494A CN106368784A CN 106368784 A CN106368784 A CN 106368784A CN 201610774494 A CN201610774494 A CN 201610774494A CN 106368784 A CN106368784 A CN 106368784A
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CN
China
Prior art keywords
cyclone dust
dust collector
airduct
dust extractor
automobile 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.)
Pending
Application number
CN201610774494.8A
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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 CN201610774494.8A priority Critical patent/CN106368784A/en
Publication of CN106368784A publication Critical patent/CN106368784A/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
    • 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
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F01N13/082—Other arrangements or adaptations of exhaust conduits of tailpipe, e.g. with means for mixing air with exhaust for exhaust cooling, dilution or evacuation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
    • 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
    • F01N3/0215—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 the filtering elements having the form of disks or plates
    • 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
    • F01N3/031—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 having means for by-passing filters, e.g. when clogged or during cold engine start
    • 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
    • F01N3/037—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 inertial or centrifugal separators, e.g. of cyclone type, optionally combined or associated with agglomerators
    • 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
    • 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
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0835—Hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/01—Engine exhaust gases
    • 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
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/20—Formaldehyde
    • 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
    • Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust

Abstract

The invention provides a purification type automobile exhaust pipe which comprises a gas inlet pipe and a purification cavity made communicated with the gas inlet pipe. The purification cavity comprises a first air pipe made communicated with the gas inlet pipe, a first cyclone dust collector made communicated with the first air pipe, a second air pipe made communicated with the first cyclone dust collector, a purification device arranged in the second air pipe, a second cyclone dust collector made communicated with the second air pipe, and a gas outlet pipe made communicated with the second cyclone dust collector. The bottom of the first cyclone dust collector and the bottom of the second cyclone dust collector are each provided with a bottom cover. The purification device comprises a hyperfine HEPA filter net layer and an activated carbon purification layer. Dust collection can be carried out on automobile tail gas through the first cyclone dust collector and the second cyclone dust collector, meanwhile, the automobile tail gas is filtered through the HEPA filter net layer and the activated carbon purification layer, dust in the automobile gas is effectively removed, PM2.5 discharge is reduced, and the purpose of purifying air is achieved.

Description

Cleaning type automobile exhaust pipe
Technical field
The present invention relates to auto industry technical field, more particularly, to a kind of cleaning type automobile exhaust pipe.
Background technology
Raising quality of life being required with expanding economy and people, air pollution problems inherent has become as and receives much attention Global problem.The wide range of haze event of domestic frequent generation carries to the Treatment process of air pollution and purifier structure Go out higher requirement.Automobile pollution is under the trend increasing year by year at home, as air pollutants important sources it One vehicle exhaust has important impact to air pollution.
Current automobile exhaust pipe is limited to the clean-up effect of vehicle exhaust, leads to substantial amounts of particulate matter to be discharged into air Central, have impact on the quality of air.Therefore, it is necessary to provide a kind of cleaning type automobile exhaust pipe, to solve the above problems.
Traditional hepa filter is mainly made up of filter element, blower fan and a few part of housing, wherein, hepa drainage screen (filter element) Predominantly pp filter paper, glass fibre, the compound material such as pp/pet filter paper, melt-blown terylene non-woven fabric are made, and are primarily present and are unable to pin PARA FORMALDEHYDE PRILLS(91,95) effectively assistant officer's problem to be solved such as removal.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of cleaning type automobile exhaust pipe, to solve current automobile exhaust Pipe is limited to the clean-up effect of vehicle exhaust, leads to substantial amounts of particulate matter to be discharged in the middle of air, have impact on the quality of air Problem.Meanwhile, present invention also offers a kind of hyperfine hepa filtering meshes and preparation method thereof.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of cleaning type automobile exhaust pipe, comprising: air inlet pipe and the purification chamber connecting with described air inlet pipe；Described purification chamber includes The first cyclone dust extractor and described first whirlwind that the first airduct being connected with described air inlet pipe is connected with described first airduct The second rotation that second airduct of cleaner unit connection, the purifier in described second airduct are connected with described second airduct The escape pipe that wind cleaner unit is connected with described second cyclone dust extractor；Described first cyclone dust extractor and described second whirlwind remove Dirt device bottom is equipped with bottom；Described purifier includes hyperfine hepa filtering meshes and active carbon purifying layer.
Described bottom is connected with described first cyclone dust extractor or described second cyclone dust extractor bottom thread.
Described purification bottom of chamber portion is provided with valve.
Hyperfine hepa filtering meshes, are to coat photocatalyst formaldehyde scavenger on the net in glass fiber filter to obtain, can one side or Double-coated, it is 20g/m that glass fiber filter always coats concentration on the net2；Described photocatalyst formaldehyde scavenger by surfactant 20%, 2- methyl -2- acrylic acid -2- (2- oxo -1- imidazolinyl) ethyl ester 15%, carry platinum nano-anatase mine-titanium oxide 5%, poly- Ethylene glycol 5%, nano-silver colloid 1%, Rhizoma et radix veratri (Radix Rhizoma Veratri) Malin's alkali 0.5% and pure water 53.5% are made.
The preparation method of hyperfine hepa filtering meshes, step is as follows:
1), the preparation of photocatalyst formaldehyde scavenger
Add 2- methyl -2- acrylic acid -2- (2- oxo -1- imidazolinyl) ethyl ester in container, carry the sharp titanium of platinum nanometer to preparing Ore deposit type titanium dioxide and the pure water of half weight, stirring mixing 10 minutes；It is subsequently adding surfactant, Polyethylene Glycol, nanometer Elargol, Rhizoma et radix veratri (Radix Rhizoma Veratri) Malin's alkali and surplus pure water, stir 2 hours, obtain photocatalyst formaldehyde scavenger；
2), the preparation of hyperfine hepa filtering meshes
According to 20g/m2Coated weight photocatalyst formaldehyde scavenger is coated to glass fiber filter online, finally roasting 2 at 300 DEG C Hour, thus hyperfine hepa filtering meshes are obtained.
Advantage for present invention with effect is:
1), the cleaning type automobile exhaust pipe of the present invention, comprising: air inlet pipe and the purification chamber connecting with described air inlet pipe；Described net Change the first cyclone dust extractor that chamber the first airduct of including being connected with described air inlet pipe connected with described first airduct with described Second airduct of the first cyclone dust extractor connection, the purifier in described second airduct are connected with described second airduct The escape pipe that connects with described second cyclone dust extractor of the second cyclone dust extractor；Described first cyclone dust extractor and described Two cyclone dust extractor bottoms are equipped with bottom；Described purifier includes hyperfine hepa filtering meshes and active carbon purifying layer； Dedusting can be carried out to vehicle exhaust by the first cyclone dust extractor and the second cyclone dust extractor, be filtered by hyperfine hepa simultaneously Stratum reticulare and active carbon purifying layer filter to vehicle exhaust, effectively remove the dust in vehicle exhaust, reduce the row of pm2.5 Put, reach the purpose of purify air.
2), hyperfine hepa filtering meshes are to coat photocatalyst formaldehyde scavenger on the net in glass fiber filter to obtain, this knot The hyperfine hepa filtering meshes of structure, except removing conventional granulates beyond the region of objective existence, can also efficiently remove formaldehyde, the scope of application Extensively, filter efficiency is high.
3), the preparation method of hyperfine hepa filtering meshes, process is simple, easy and simple to handle, production efficiency is high.
Brief description
The invention will be further described below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of the cleaning type automobile exhaust pipe of the present invention；
Fig. 2 is the structural representation of the purifier of cleaning type automobile exhaust pipe of the present invention.
In figure: air inlet pipe 1, purify chamber 2, the first airduct 3, the first cyclone dust extractor 4, the second airduct 5, purifier 6, Second cyclone dust extractor 7, escape pipe 8；Bottom 9；Hyperfine hepa filtering meshes 61, active carbon purifying layer 62, valve 10.
Specific embodiment
Embodiment 1
As shown in Figure 1 to Figure 2, the present invention provides a kind of cleaning type automobile exhaust pipe, comprising: air inlet pipe 1 and connecting with air inlet pipe 1 Purification chamber 2.Vehicle exhaust, after air inlet pipe 1 enters cleaning type automobile exhaust pipe, can be purified by purifying chamber 2, with Reach the purpose of purifying and stive.
Specifically, the first whirlwind that the first airduct 3 that purification chamber 2 includes connecting with air inlet pipe 1 is connected with the first airduct 3 The second airduct 5 that cleaner unit 4 is connected with the first cyclone dust extractor 4, the purifier 6 and second in the second airduct 5 The escape pipe 8 that second cyclone dust extractor 7 of airduct 5 connection is connected with the second cyclone dust extractor 7.Wherein, the first cyclone dust removal Device 4 and the second cyclone dust extractor 7 bottom are equipped with bottom 9, for discharging the first cyclone dust extractor 4 and the second cyclone dust removal The dust that device 7 is collected.Purifier 6 includes hyperfine hepa filtering meshes 61 and active carbon purifying layer 62, can be to through first The vehicle exhaust that cyclone dust extractor 4 purifies carries out filtration, purification.Bottom 9 and the first cyclone dust extractor 4 or the second cyclone dust removal Device 7 bottom thread connects.Purify chamber 2 bottom and be provided with valve 10, can discharge purifying the dust collected in chamber 2.
When using, after vehicle exhaust passes through air inlet pipe 1, warp is entered only the cleaning type automobile exhaust pipe of the present invention by airduct 3 Change chamber 2, first pass around the first cyclone dust extractor 4 dedusting, then through purifier 6 filtration, purification, remove through the second whirlwind afterwards Dirt device 7 dedusting, discharges finally by escape pipe 8, can effectively remove the dust in vehicle exhaust, reduces the discharge of pm2.5, Reach the purpose of purify air.
Embodiment 2
Hyperfine hepa filtering meshes, are to coat photocatalyst formaldehyde scavenger on the net in glass fiber filter to obtain, can single or double Coating, it is 20g/m that glass fiber filter always coats concentration on the net2；Described photocatalyst formaldehyde scavenger is by surfactant 20%, 2- first Base -2- acrylic acid -2- (2- oxo -1- imidazolinyl) ethyl ester 15%, load platinum nano-anatase mine-titanium oxide 5%, poly- second two Alcohol 5%, nano-silver colloid 1%, Rhizoma et radix veratri (Radix Rhizoma Veratri) Malin's alkali 0.5% and pure water 53.5% are made.
Embodiment 3
The preparation method of hyperfine hepa filtering meshes, step is as follows:
1), the preparation of photocatalyst formaldehyde scavenger
Add 2- methyl -2- acrylic acid -2- (2- oxo -1- imidazolinyl) ethyl ester in container, carry the sharp titanium of platinum nanometer to preparing Ore deposit type titanium dioxide and the pure water of half weight, stirring mixing 10 minutes；It is subsequently adding surfactant, Polyethylene Glycol, nanometer Elargol, Rhizoma et radix veratri (Radix Rhizoma Veratri) Malin's alkali and surplus pure water, stir 2 hours, obtain photocatalyst formaldehyde scavenger；
2), the preparation of hyperfine hepa filtering meshes
According to 20g/m2Coated weight photocatalyst formaldehyde scavenger is coated to glass fiber filter online, finally roasting 2 at 300 DEG C Hour, thus hyperfine hepa filtering meshes are obtained.
The present invention is not limited to above-described embodiment, and embodiment is exemplary it is intended to be used for explaining the present invention, and can not It is interpreted as limitation of the present invention.

Claims (3)

1. a kind of cleaning type automobile exhaust pipe is it is characterised in that include: air inlet pipe (1) and net with what described air inlet pipe (1) connected Change chamber (2)；Described purification chamber (2) includes the first airduct (3) connecting with described air inlet pipe (1) and described first airduct (3) connects The second airduct (5) that logical the first cyclone dust extractor (4) is connected with described first cyclone dust extractor (4), located at described second The second cyclone dust extractor (7) and described second rotation that purifier (6) in airduct (5) is connected with described second airduct (5) The escape pipe (8) that wind cleaner unit (7) connects；Described first cyclone dust extractor (4) and described second cyclone dust extractor (7) bottom Portion is equipped with bottom (9)；Described purifier (6) includes hyperfine hepa filtering meshes (61) and active carbon purifying layer (62).
2. cleaning type automobile exhaust pipe according to claim 1 is it is characterised in that described bottom (9) revolves with described first Wind cleaner unit (4) or described second cyclone dust extractor (7) bottom thread connect.
3. cleaning type automobile exhaust pipe according to claim 2 is it is characterised in that described purification chamber (2) bottom is provided with valve Door (10).
CN201610774494.8A 2016-08-31 2016-08-31 Purification type automobile exhaust pipe Pending CN106368784A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610774494.8A CN106368784A (en) 2016-08-31 2016-08-31 Purification type automobile exhaust pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610774494.8A CN106368784A (en) 2016-08-31 2016-08-31 Purification type automobile exhaust pipe

Publications (1)

Publication Number Publication Date
CN106368784A true CN106368784A (en) 2017-02-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107642389A (en) * 2017-09-25 2018-01-30 宝鸡市金海源钛标准件制品有限公司 A kind of automobile exhaust pipe
CN108915822A (en) * 2018-09-03 2018-11-30 常州机电职业技术学院 High-efficiency environment friendly automobile exhaust gas purifying installation

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101720255A (en) * 2007-04-30 2010-06-02 罗穆阿尔多·路易斯·里韦拉·萨尔塞多 The process of electrostatic recirculation and the device that are used for dedusting and gas purification
CN201963378U (en) * 2010-12-27 2011-09-07 施春华 Improved fire arrester
CN202194700U (en) * 2011-08-16 2012-04-18 中国石油集团川庆钻探工程有限公司 Tail gas emission aftertreatment device of well field diesel engine
CN203796383U (en) * 2014-04-23 2014-08-27 周庆春 Automobile exhaust pipe for removing fine particles
CN104971621A (en) * 2015-06-06 2015-10-14 杭州笨鸟环保科技有限公司 Double-layer composite filtering mesh for HEPA filter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101720255A (en) * 2007-04-30 2010-06-02 罗穆阿尔多·路易斯·里韦拉·萨尔塞多 The process of electrostatic recirculation and the device that are used for dedusting and gas purification
CN201963378U (en) * 2010-12-27 2011-09-07 施春华 Improved fire arrester
CN202194700U (en) * 2011-08-16 2012-04-18 中国石油集团川庆钻探工程有限公司 Tail gas emission aftertreatment device of well field diesel engine
CN203796383U (en) * 2014-04-23 2014-08-27 周庆春 Automobile exhaust pipe for removing fine particles
CN104971621A (en) * 2015-06-06 2015-10-14 杭州笨鸟环保科技有限公司 Double-layer composite filtering mesh for HEPA filter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107642389A (en) * 2017-09-25 2018-01-30 宝鸡市金海源钛标准件制品有限公司 A kind of automobile exhaust pipe
CN108915822A (en) * 2018-09-03 2018-11-30 常州机电职业技术学院 High-efficiency environment friendly automobile exhaust gas purifying installation

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Application publication date: 20170201

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