CN106150622A - Emission control system for vehicle - Google Patents

Emission control system for vehicle Download PDF

Info

Publication number
CN106150622A
CN106150622A CN201510190815.5A CN201510190815A CN106150622A CN 106150622 A CN106150622 A CN 106150622A CN 201510190815 A CN201510190815 A CN 201510190815A CN 106150622 A CN106150622 A CN 106150622A
Authority
CN
China
Prior art keywords
catalyst unit
vehicle
control system
emission control
unit
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.)
Granted
Application number
CN201510190815.5A
Other languages
Chinese (zh)
Other versions
CN106150622B (en
Inventor
崔城茂
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.)
Hyundai Motor Co
Original Assignee
Hyundai Motor Co
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 Hyundai Motor Co filed Critical Hyundai Motor Co
Publication of CN106150622A publication Critical patent/CN106150622A/en
Application granted granted Critical
Publication of CN106150622B publication Critical patent/CN106150622B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9459Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
    • B01D53/9477Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on separate bricks, e.g. exhaust systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28Construction of catalytic reactors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/36Arrangements for supply of additional fuel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/20Reductants
    • B01D2251/206Ammonium compounds
    • B01D2251/2067Urea

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Toxicology (AREA)
  • General Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

The present invention relates to the emission control system for vehicle, it is used for reducing production cost and effectively purifying nitrogen oxides.The emission control system for vehicle of the exemplary embodiment according to the present invention includes: diesel oxidation catalyst unit, and it is installed to exhaustor, is formed as the discharge gas for discharging electromotor and by the fractions oxidation in discharge gas;And multi-catalyst unit, it is connected with the rear end of diesel oxidation catalyst unit, install to exhaustor, and it being adjusted in diesel particulate filter formation oxidation catalyst and selective reduction catalyst, described diesel particulate filter is for trapping and purifies the particulate matter in discharge gas.Reducing agent can be injected between diesel oxidation catalyst unit and multi-catalyst unit.

Description

Emission control system for vehicle
Cross-Reference to Related Applications
This application claims in the Application No. that on November 3rd, 2014 submits to Korean Intellectual Property Office The priority of the korean patent application of 10-2014-0151235 and rights and interests, entire contents is by drawing With being incorporated in herein.
Technical field
The present invention relates to the emission control system for vehicle.More particularly it relates to subtract The emission control system for vehicle of pollutant in discharge gas less.
Background technology
Generally, the gas extraction system of electromotor includes after-treatment device, such as DOC (diesel engine oxygen Change catalyst), DPF (diesel particulate filter), SCR (SCR) and LNT (lean-burn NOx trap), its be used for reducing carbon monoxide (CO), Hydrocarbon (HC), Particulate matter (PM), nitrogen oxides (NOx) etc. (they are all the pollutant in discharge gas).
DOC can will discharge whole Hydrocarbon and Oxidation of Carbon Monoxide in gas, and It is nitrogen dioxide by oxidation of nitric oxide.
DPF can with the particulate matter in filtering exhaust gases, and come clean via chemical conversion treatment Change particulate matter.
SCR uses the heat of discharge gas that reducing agent (carbamide) is converted into ammonia (NH3), Wherein reducing agent (carbamide) is sprayed on the airflow direction of discharge gas by ejector;And Catalysis is carried out instead between SCR catalyst nitrogen oxides and ammonia in discharge gas by utilizing Should, and nitrogen oxides is reduced to nitrogen (N2) and water (H2O)。
LNT absorbs the nitrogen oxides in discharge gas, and for inhaling under predetermined circumstances The nitrogen oxides received reacts with reducing agent, the nitrogen oxides absorbed with removing.
Additionally, DOC or LNT and DPF is set to discharge gas via DOC or LNT And pass through DPF.By ejector, reducing agent (carbamide) is being injected in DOC or LNT And in the case of between DPF, carbamide or ammonia can contact DOC or LNT (they It is front end catalyst), and the most additionally produce NOx.There is the ejector of relatively shallow angle May be used for preventing from producing extraly NOx.
But, if using the ejector with relatively shallow angle, then may destroy carbamide or ammonia Flow uniformity or possible destruction in catalytic reaction of gas mix while nitrogen oxides and ammonia Efficiency.Accordingly, it may be desirable to extra blender.
The information above being disclosed in background section is merely intended to strengthen the background skill to the present invention The understanding of art, is not intended that in this country for those of ordinary skill in the art for known Prior art.
Summary of the invention
This invention address that and provide the emission control system for vehicle, it has reduction and produces into Basis and the advantage effectively purifying nitrogen oxides.
The emission control system for vehicle according to one exemplary embodiment of the present invention is permissible Including: diesel oxidation catalyst unit, it is installed to exhaustor, is formed as discharging electromotor Discharge gas and will discharge gas in fractions oxidation;And multi-catalyst unit, It is connected with the rear end of diesel oxidation catalyst unit, installs to exhaustor, and is adjusted to Oxidation catalyst and selective reduction catalyst is formed in diesel particulate filter, described Diesel particulate filter is for trapping and purifies the particulate matter in discharge gas.
Reducing agent can be injected between diesel oxidation catalyst unit and multi-catalyst unit.
Emission control system for vehicle can also include reducing catalyst unit, and it is arranged on The rear end of diesel oxidation catalyst unit, and reduce discharge gas in fractions.
Reducing agent can be injected in diesel oxidation catalyst unit and multi-catalyst by ejector Between unit.
Emission control system for vehicle can also include jet chamber, and it is one of exhaustor Point, diesel oxidation catalyst unit is connected with multi-catalyst unit, and formation is used for leading to The space of overspray emitter injection reducing agent.
Reducing catalyst unit and multi-catalyst unit can spray to jet chamber by using Reducing agent reduce discharge gas in fractions.
The emission control system for vehicle of another exemplary embodiment according to the present invention can To include: purification of nitrogen oxides device, it is installed to exhaustor, is formed as discharging electromotor Discharge gas, and the nitrogen oxides absorbing and reducing in discharge gas;And multi-catalyst list Unit, it is connected with the rear end of purification of nitrogen oxides device by exhaustor, and is adjusted at bavin Oil machine particulate filter is formed oxidation catalyst and selective reduction catalyst, described diesel oil Machine particulate filter is for trapping and purifies the particulate matter in discharge gas.
Reducing agent can be injected between purification of nitrogen oxides device and multi-catalyst unit.
Emission control system for vehicle can also include reducing catalyst unit, and it is arranged on The rear end of purification of nitrogen oxides device, and reduce discharge gas in fractions.
Reducing agent can be injected in purification of nitrogen oxides device and multi-catalyst unit by ejector Between.
Emission control system for vehicle can also include jet chamber, and it is one of exhaustor Point, purification of nitrogen oxides device is connected with multi-catalyst unit, and is formed for by spray The space of emitter injection reducing agent.
Fractions in discharge gas can be by the reducing agent in injection to jet chamber also Raw catalyst unit and multi-catalyst unit reduce.
Accompanying drawing explanation
Fig. 1 is the exhaust gas purification system for vehicle according to one exemplary embodiment of the present invention The block diagram of system.
Fig. 2 is the exhaust gas purification for vehicle of another exemplary embodiment according to the present invention The block diagram of system.
Fig. 3 is the emission control system for vehicle of the exemplary embodiment according to the present invention Schematic diagram.
Fig. 4 is the exhaust gas purification system for vehicle illustrating the exemplary embodiment according to the present invention The curve chart of the effect of system.
<reference description>
10: electromotor
12: exhaustor
20: diesel oxidation catalyst unit
25: purification of nitrogen oxides device
30: reducing catalyst unit
40: multi-catalyst unit
50: ejector
55: jet chamber
Detailed description of the invention
Describe the exemplary embodiment of the present invention the most with reference to the accompanying drawings in detail.
Fig. 1 is the exhaust gas purification system for vehicle according to one exemplary embodiment of the present invention The block diagram of system.
As shown in fig. 1, according to the row for vehicle of one exemplary embodiment of the present invention Gas cleaning system is connected with electromotor 10, with the discharge gas of purifying engine 10.It addition, Emission control system for vehicle includes: diesel oxidation catalyst (DOC) unit 20, Reducing catalyst unit (SCR: SCR) 30 and multi-catalyst unit (SDPF: SCR based on DPF) 40.
Diesel oxidation catalyst unit 20 is installed to exhaustor 12, is formed as will be from vehicle Electromotor 10 in discharge discharge gas be emitted into outside.That is, diesel oxidation catalyst list The front end of unit 20 is connected with electromotor 10, to suck the discharge gas of discharge from electromotor 10. In this article, the front-end and back-end of building block are based on the discharge gas front end from building block Flow to the discharge gas flow direction of rear end and limit.
Diesel oxidation catalyst unit 20 has the carrier arranged under predetermined circumstances, and Diesel oxidation catalyst is coated in carrier.It addition, diesel oxidation catalyst unit 20 is used for The Hydrocarbon in discharge gas and carbon monoxide is aoxidized by diesel oxidation catalyst. Specifically, diesel oxidation catalyst unit 20 is used for oxidation of nitric oxide being nitrogen dioxide. Diesel oxidation catalyst unit 20 is known for those of ordinary skill in the art, therefore The more detailed description to it will be omitted.
Reducing catalyst unit 30 is arranged on the rear end of diesel oxidation catalyst unit 20. It addition, reducing catalyst unit 30 is for using the heat of discharge gas by reducing agent (carbamide) It is converted into ammonia (NH3), and by selective reduction catalyst nitrogen oxygen in discharge gas Carry out catalytic reaction between compound and ammonia and nitrogen oxides is reduced to nitrogen (N2) and water (H2O).The effect of reducing catalyst unit 30 is known for those of ordinary skill in the art , therefore will omit the more detailed description to it.
Multi-catalyst unit 40 is installed to exhaustor 12, and the front end of multi-catalyst unit 40 Being connected with reducing catalyst unit 30 by exhaustor 12, reducing catalyst unit 30 is arranged on The rear end of diesel oxidation catalyst unit 20.It addition, multi-catalyst unit 40 is based on bavin Oil machine particulate filter (DPF) and be adjusted in DPF formation selective reduction catalysis Agent and oxidation catalyst.In this article, DPF is for trapping the particulate matter in discharge gas also And via chemical conversion treatment by the device of particle purifying, it is for the ordinary skill of this area Personnel are known, therefore will omit the more detailed description to it.
Multi-catalyst unit 40 is for trapping the particulate matter in discharge gas, and turns via chemistry Change processes particulate matter.It addition, multi-catalyst unit 40 is for by using such as carbamide The reducing agent of solution and the nitrogen oxides in discharge gas is reduced to nitrogen.It addition, many catalysis Agent unit 40 is used for removing unreacted soot (soot) in reducing agent, and is come clean by oxidation Change CO, the HC etc. produced by burning soot.
Fig. 2 is the exhaust gas purification for vehicle of another exemplary embodiment according to the present invention The block diagram of system.
As shown in Figure 2, according to one exemplary embodiment of the present invention for vehicle In emission control system, it is provided with purification of nitrogen oxides device (LNT: lean NOx trap) 25, replace based on the exemplary embodiment according to the present invention described in reference Fig. 1 for car The diesel oxidation catalyst unit 20 of emission control system.
In other words, reducing catalyst unit 30 is arranged on the rear end of purification of nitrogen oxides device 25. By omit with reference to Fig. 1 about the aerofluxus being used for vehicle of the exemplary embodiment according to the present invention The repeated description of building block identical in the description of cleaning system.
Purification of nitrogen oxides device 25 is for absorbing the nitrogen oxides in discharge gas, and passes through Under predetermined circumstances the nitrogen oxides of absorption is reacted with reducing agent and remove nitrogen oxides.Nitrogen Oxide purifier 25 is known for those of ordinary skill in the art, therefore will omit Detailed description.
That is, the emission control system for vehicle according to the exemplary embodiment of the present invention is permissible It is applied to emission control system based on diesel oxidation catalyst unit 20 or based on nitrogen oxygen The emission control system of compound purifier 25.
As shown in Figures 1 and 2, at reducing catalyst unit 30 and multi-catalyst unit 40 Between supply reducing agent.
Hereinafter, supply reducing agent will be described in detail with reference to Fig. 3.
Fig. 3 is the emission control system for vehicle of the exemplary embodiment according to the present invention Schematic diagram.
As shown in Figure 3, the aerofluxus for vehicle according to the exemplary embodiment of the present invention is clean Change system also includes ejector 50 and jet chamber 55.
Reducing agent is injected in reducing catalyst unit 30 and multi-catalyst unit 40 by ejector 50 Between.
Jet chamber 55 is arranged between reducing catalyst unit 30 and multi-catalyst unit 40, with The rear end of reducing catalyst unit 30 is connected with the front end of multi-catalyst unit 40.It addition, Jet chamber 55 forms reducing agent injection to space therein.That is, reducing agent passes through ejector 50 It is injected in the jet chamber 55 between reducing catalyst unit 30 and multi-catalyst unit 40.Separately Outward, jet chamber 55 can be a part for exhaustor 12.
Reducing catalyst unit 30 and multi-catalyst unit 40 are by using injection to jet chamber 55 In reducing agent carry out nitrogen oxides reduction.
Fig. 4 is the exhaust gas purification system for vehicle illustrating the exemplary embodiment according to the present invention The curve chart of the effect of system.
The transverse axis of curve represents with time as unit second (s), and the longitudinal axis of curve represent with It degree Celsius it is the temperature of unit.It addition, as the curve shown in solid in curve chart represents diesel oil Machine oxidation catalyst unit 20 or purification of nitrogen oxides device 25 and reducing catalyst unit 30 Variations in temperature over time, and the curve as shown in the dotted line in curve chart represents many catalysis Agent unit 40 variations in temperature over time.In this article, diesel oxidation catalyst unit 20, Purification of nitrogen oxides device 25, reducing catalyst unit 30 and the temperature of multi-catalyst unit 40 Temperature of exhaust gas according to electromotor 10 and change, and 0s can be when electromotor 10 opens Time time dynamic.
As shown in Figure 4, diesel oxidation catalyst unit 20 or purification of nitrogen oxides device 25 and the temperature of reducing catalyst unit 30 can reach 200 DEG C when about 200s, and The temperature of multi-catalyst unit 40 can reach 200 DEG C when about 800s.This is due to diesel oil Machine oxidation catalyst unit 20 or purification of nitrogen oxides device 25 and reducing catalyst unit 30 It is set to compared with multi-catalyst unit 40 near electromotor 10 (seeing Fig. 1 to Fig. 3). In this article, 200 DEG C can be reducing agent injection and the mark of reduction efficiency according to reducing agent injection Standardization temperature.Therefore, reducing catalyst unit 30 is arranged to diesel oxidation catalyst unit 20 Or the combination of purification of nitrogen oxides device 25, compared with the combination with multi-catalyst unit 40, Can easily and effectively purify nitrogen oxides.
According to the exemplary embodiment of the present invention, owing to reducing catalyst unit 30 is arranged on diesel oil The rear end of machine oxidation catalyst unit 20, it is possible to prevent by going back that ejector 50 sprays Former dose contacts with diesel oxidation catalyst unit 20.Therefore, it can application and there is bigger injection The ejector at angle, and the additional components of such as blender can not be included.Additionally, due to reduction Catalyst elements 30 is arranged on the rear end of diesel oxidation catalyst unit 20 so that reduction is urged Agent unit 30 is near electromotor 10, it is possible to easily heated by high-temperature discharge gas Reducing catalyst unit 30, and the performance purifying nitrogen oxides can be improved.
Although describing the present invention already in connection with being presently considered as the exemplary embodiment being actual, but It is to it should be understood that to the invention is not restricted to the disclosed embodiments, on the contrary, it is contemplated that Cover the various modification and equivalent arrangements shape being included in the spirit and scope that appended right is asked Formula.

Claims (10)

1. for an emission control system for vehicle, comprising:
Diesel oxidation catalyst unit, it is installed to exhaustor, is formed as starting for discharge Machine discharge gas and will discharge gas in fractions oxidation;And
Multi-catalyst unit, it is connected with the rear end of described diesel oxidation catalyst unit, pacifies It is filled to described exhaustor, and is adjusted in diesel particulate filter formation oxidation catalysis Agent and selective reduction catalyst, described diesel particulate filter is used for trapping and the row of purification Particulate matter in venting body,
Wherein, reducing agent is injected in described diesel oxidation catalyst unit and described multi-catalyst Between unit.
2. the emission control system for vehicle as claimed in claim 1, also includes that reduction is urged Agent unit, it is arranged on the rear end of described diesel oxidation catalyst unit, and the row of reduction Fractions in venting body.
3. the emission control system for vehicle as claimed in claim 2, wherein, described also Former dose is injected in described diesel oxidation catalyst unit and described multi-catalyst list by ejector Between unit.
4. the emission control system for vehicle as claimed in claim 3, also includes jet chamber, It is a part for described exhaustor, is urged with described by described diesel oxidation catalyst unit more Agent unit connects, and forms the space for being sprayed described reducing agent by described ejector.
5. the emission control system for vehicle as claimed in claim 4, wherein, described also Raw catalyst unit and described multi-catalyst unit are by using the institute in injection extremely described jet chamber State reducing agent reduce discharge gas in fractions.
6. for an emission control system for vehicle, comprising:
Purification of nitrogen oxides device, it is installed to exhaustor, is formed as discharging electromotor Discharge gas and absorption the nitrogen oxides in discharge gas that reduces;And
Multi-catalyst unit, after it is by described exhaustor and described purification of nitrogen oxides device End connects, and is adjusted in diesel particulate filter formation oxidation catalyst and selection Property reducing catalyst, described diesel particulate filter for trapping and purify discharge gas in Particulate matter,
Wherein, reducing agent is injected in described purification of nitrogen oxides device and described multi-catalyst unit Between.
7. the emission control system for vehicle as claimed in claim 6, also includes that reduction is urged Agent unit, it is arranged on the rear end of described purification of nitrogen oxides device, and reduces discharge gas Fractions in body.
8. the emission control system for vehicle as claimed in claim 7, wherein, described also Former dose by ejector be injected in described purification of nitrogen oxides device and described multi-catalyst unit it Between.
9. the emission control system for vehicle as claimed in claim 8, also includes jet chamber, It is a part for described exhaustor, by described purification of nitrogen oxides device and described multi-catalyst Unit connects, and forms the space being sprayed described reducing agent by described ejector.
10. the emission control system for vehicle as claimed in claim 9, wherein, discharge Fractions in gas, by the described reducing agent in injection to described jet chamber, is gone back described Raw catalyst unit and described multi-catalyst unit reduce.
CN201510190815.5A 2014-11-03 2015-04-21 Emission control system for vehicle Active CN106150622B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020140151235A KR101628098B1 (en) 2014-11-03 2014-11-03 Exhaust gas purification system for vehicle
KR10-2014-0151235 2014-11-03

Publications (2)

Publication Number Publication Date
CN106150622A true CN106150622A (en) 2016-11-23
CN106150622B CN106150622B (en) 2019-09-27

Family

ID=55753900

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510190815.5A Active CN106150622B (en) 2014-11-03 2015-04-21 Emission control system for vehicle

Country Status (3)

Country Link
KR (1) KR101628098B1 (en)
CN (1) CN106150622B (en)
DE (1) DE102015106947A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114320539A (en) * 2020-10-10 2022-04-12 长城汽车股份有限公司 Automobile exhaust aftertreatment device and automobile

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101818417B1 (en) 2016-09-23 2018-01-15 한국전력공사 Exhaust gas purification apparatus and method for purifying exhaust gas using the same

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101171407A (en) * 2005-09-16 2008-04-30 丰田自动车株式会社 Exhaust gas clean-up device for internal combustion engine
CN101395348A (en) * 2006-03-03 2009-03-25 戴姆勒股份公司 Exhaust gas aftertreatment system and exhaust gas cleaning method
CN101476501A (en) * 2008-01-03 2009-07-08 通用汽车环球科技运作公司 Exhaust system with improved NOx emission control
CN100538037C (en) * 2004-07-16 2009-09-09 日产柴油机车工业株式会社 The Exhaust gas purifying device of motor
CN102052125A (en) * 2009-11-02 2011-05-11 现代自动车株式会社 Exhaust system
CN102325971A (en) * 2009-02-20 2012-01-18 赫多特普索化工设备公司 Method for purification of exhaust gas from a diesel engine
CN102562230A (en) * 2010-12-09 2012-07-11 现代自动车株式会社 Exhaust gas post processing system
CN103726914A (en) * 2012-10-11 2014-04-16 现代自动车株式会社 Exhaust gas purification system for vehicle and regeneration control method thereof
CN103806989A (en) * 2012-11-12 2014-05-21 现代自动车株式会社 Exhaust gas purification system of vehicle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100769571B1 (en) 2007-05-29 2007-10-23 한국기계연구원 Harmfulness matter reduction system of diesel engine
KR20110024598A (en) * 2009-09-02 2011-03-09 현대자동차주식회사 Nox reduction device for diesel vehicles

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100538037C (en) * 2004-07-16 2009-09-09 日产柴油机车工业株式会社 The Exhaust gas purifying device of motor
CN101171407A (en) * 2005-09-16 2008-04-30 丰田自动车株式会社 Exhaust gas clean-up device for internal combustion engine
CN101395348A (en) * 2006-03-03 2009-03-25 戴姆勒股份公司 Exhaust gas aftertreatment system and exhaust gas cleaning method
CN101476501A (en) * 2008-01-03 2009-07-08 通用汽车环球科技运作公司 Exhaust system with improved NOx emission control
CN102325971A (en) * 2009-02-20 2012-01-18 赫多特普索化工设备公司 Method for purification of exhaust gas from a diesel engine
CN102052125A (en) * 2009-11-02 2011-05-11 现代自动车株式会社 Exhaust system
CN102562230A (en) * 2010-12-09 2012-07-11 现代自动车株式会社 Exhaust gas post processing system
CN103726914A (en) * 2012-10-11 2014-04-16 现代自动车株式会社 Exhaust gas purification system for vehicle and regeneration control method thereof
CN103806989A (en) * 2012-11-12 2014-05-21 现代自动车株式会社 Exhaust gas purification system of vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114320539A (en) * 2020-10-10 2022-04-12 长城汽车股份有限公司 Automobile exhaust aftertreatment device and automobile
CN114320539B (en) * 2020-10-10 2022-12-27 长城汽车股份有限公司 Automobile exhaust aftertreatment device and automobile

Also Published As

Publication number Publication date
KR101628098B1 (en) 2016-06-08
CN106150622B (en) 2019-09-27
DE102015106947A1 (en) 2016-05-04
KR20160051359A (en) 2016-05-11

Similar Documents

Publication Publication Date Title
EP2819769B1 (en) Method for the removal of noxious compounds from engine exhaust gas
JP5630024B2 (en) Diesel engine exhaust purification device and exhaust purification method
US9321008B2 (en) Device for discharging exhaust gas from diesel engine, having ammonolysis module
US10744458B2 (en) Thermally integrated compact aftertreatment system
CN106062333B (en) Method for cleaning exhaust gases from a compression ignition engine
CN207363741U (en) Exhaust after treatment system for diesel engine
US9517457B2 (en) Aftertreatment systems with reduced N2O generation
Latha et al. A review on scr system for nox reduction in diesel engine
JP2018521258A (en) Method, multifunction filter and system for removing particulate matter and harmful compounds from engine exhaust
KR101858154B1 (en) SCR Reduction reaction module recycling system
CN106150622A (en) Emission control system for vehicle
KR100999614B1 (en) Apparatus for reducing nitrogen oxide in exhaust pipe
CN106555645B (en) Method for injecting a reducing agent into an exhaust gas of a power system
US10036293B2 (en) Apparatus for purifying exhaust gas
KR20170035683A (en) Post-processing apparatus for reducing exhaust gas of commercial vehicle
JP2010248955A (en) Exhaust emission control device
US10138779B2 (en) Selective catalytic reduction filter devices having NOx storage capabilities
KR20080048769A (en) Nox reduction apparatus of exhaust gas
KR101776762B1 (en) Exhaust gas purification system of vehicle
KR102154368B1 (en) Selective Catalytic Reduction System for Engine
CN104136099B (en) For removing the method and system of hazardous compound from engine exhaust
CN208534581U (en) Scr reactor
KR101749127B1 (en) NOx Reduction Device for inhibiting N2O, After-treatment device for diesel engine and After-treatment method for discharging exhaust gas
CN113958387B (en) System for cleaning exhaust gas from compression ignition engine
KR20120024281A (en) Exhaust gas purification system of vehicle

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant