FR2755624B1 - Systeme d'injection de reducteur d'oxyde d'azote dans un flux de gaz d'echappement - Google Patents

Systeme d'injection de reducteur d'oxyde d'azote dans un flux de gaz d'echappement

Info

Publication number
FR2755624B1
FR2755624B1 FR9714087A FR9714087A FR2755624B1 FR 2755624 B1 FR2755624 B1 FR 2755624B1 FR 9714087 A FR9714087 A FR 9714087A FR 9714087 A FR9714087 A FR 9714087A FR 2755624 B1 FR2755624 B1 FR 2755624B1
Authority
FR
France
Prior art keywords
exhaust gas
gas stream
injection system
nitrogen oxide
reducer injection
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.)
Expired - Fee Related
Application number
FR9714087A
Other languages
English (en)
Other versions
FR2755624A1 (fr
Inventor
Christian Enderle
Alois Raab
Martin Teigeler
Friedrich Wirbeleit
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.)
Daimler Benz AG
Original Assignee
Daimler Benz AG
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 Daimler Benz AG filed Critical Daimler Benz AG
Publication of FR2755624A1 publication Critical patent/FR2755624A1/fr
Application granted granted Critical
Publication of FR2755624B1 publication Critical patent/FR2755624B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • F01N3/10—Exhaust 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
    • F01N3/18—Exhaust 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
    • F01N3/20—Exhaust 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
    • F01N3/2066—Selective catalytic reduction [SCR]
    • 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
    • B01D53/14—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 by absorption
    • B01D53/18—Absorbing units; Liquid distributors therefor
    • B01D53/185—Liquid distributors
    • 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
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • 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
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9431—Processes characterised by a specific device
    • 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
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9495—Controlling the catalytic process
    • 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
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/06—Adding substances to exhaust gases the substance being in the gaseous form
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/10—Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Treating Waste Gases (AREA)
FR9714087A 1996-11-12 1997-11-10 Systeme d'injection de reducteur d'oxyde d'azote dans un flux de gaz d'echappement Expired - Fee Related FR2755624B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19646643A DE19646643C1 (de) 1996-11-12 1996-11-12 Anlage zur Stickoxid-Reduktionsmitteleinspritzung in einen Abgasstrom

Publications (2)

Publication Number Publication Date
FR2755624A1 FR2755624A1 (fr) 1998-05-15
FR2755624B1 true FR2755624B1 (fr) 2000-09-29

Family

ID=7811381

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9714087A Expired - Fee Related FR2755624B1 (fr) 1996-11-12 1997-11-10 Systeme d'injection de reducteur d'oxyde d'azote dans un flux de gaz d'echappement

Country Status (5)

Country Link
US (1) US5907950A (fr)
DE (1) DE19646643C1 (fr)
FR (1) FR2755624B1 (fr)
GB (1) GB2319192B (fr)
IT (1) IT1295857B1 (fr)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19806265C5 (de) * 1998-02-16 2004-07-22 Siemens Ag Dosiersystem
DE19830275A1 (de) * 1998-07-07 2000-01-13 Opel Adam Ag Selbstzündende Brennkraftmaschine mit einer Einrichtung zum Nachbehandeln von Abgasen
DE19855385A1 (de) * 1998-12-01 2000-06-08 Bosch Gmbh Robert Vorrichtung zum Nachbehandeln von Abgasen einer Brennkraftmaschine
US6314722B1 (en) 1999-10-06 2001-11-13 Matros Technologies, Inc. Method and apparatus for emission control
DE10034880A1 (de) * 2000-07-18 2002-02-07 Siemens Ag Dosiersystem
AUPQ901400A0 (en) * 2000-07-26 2000-08-17 Macquarie Research Limited A stable solid state raman laser and a method of operating same
US6698191B2 (en) * 2001-08-09 2004-03-02 Ford Global Technologies, Llc High efficiency conversion of nitrogen oxides in an exhaust aftertreatment device at low temperature
GB0220645D0 (en) 2002-09-05 2002-10-16 Johnson Matthey Plc Exhaust system for a lean burn ic engine
ITTO20020796A1 (it) * 2002-09-12 2004-03-13 G R F Sas Dispositivo iniettore di additivi per motori a
US20040083722A1 (en) * 2002-11-06 2004-05-06 Ford Global Technologies, Inc. Diesel aftertreatment systems
US6922987B2 (en) 2003-02-12 2005-08-02 Fleetguard, Inc. System and method for enhancing internal combustion engine aftertreatment applications by superheated fuel injection
JP2004257265A (ja) * 2003-02-24 2004-09-16 Denso Corp エンジン
WO2005005797A2 (fr) * 2003-06-12 2005-01-20 Donaldson Company, Inc. Procede d'apport de carburant dans un ecoulement transitoire d'un systeme d'echappement
EP1632656B1 (fr) * 2004-09-02 2007-10-10 Ford Global Technologies, LLC, A subsidary of Ford Motor Company Procédé pour injecter un fluide dans le système d'échappement d'un moteur à combustion interne à quatre temps et moteur à combustion interne mettant en oeuvre ce procédé
DE102004048075A1 (de) 2004-10-02 2006-04-06 Robert Bosch Gmbh Dosiersystem zur Schadstoffreduktion in Kraftfahrzeugabgasen
DE102006012855A1 (de) 2006-03-21 2007-09-27 Robert Bosch Gmbh Verfahren und Dosiersystem zur Schadstoffreduktion in Kraftfahrzeugabgasen
US7926467B2 (en) * 2007-04-30 2011-04-19 Caterpillar Inc. Droplet generator for engine system
US20090199537A1 (en) * 2008-02-11 2009-08-13 Detroit Diesel Corporation Methods to protect selective catalyst reducer aftertreatment devices during uncontrolled diesel particulate filter regeneration
DE102008010106A1 (de) 2008-02-20 2009-08-27 Robert Bosch Gmbh Dosiersystem für Abgasnachbehandlung
US8776499B2 (en) * 2008-02-25 2014-07-15 Basf Corporation Emission treatment systems and methods using passivated surfaces
DE102008042987A1 (de) 2008-10-21 2010-04-22 Robert Bosch Gmbh Zumesseinheit
DE102008054645A1 (de) 2008-12-15 2010-06-17 Robert Bosch Gmbh Gerichtetes Einfrieren von Tanks
DE102008054803A1 (de) 2008-12-17 2010-06-24 Robert Bosch Gmbh Eisdruckkanal-Element
US8033167B2 (en) * 2009-02-24 2011-10-11 Gary Miller Systems and methods for providing a catalyst
US8381514B2 (en) * 2010-02-17 2013-02-26 Tenneco Automotive Operating Company Inc. On-vehicle nitrogen oxide aftertreatment system
DE102012218880B3 (de) * 2012-10-17 2013-09-05 Robert Bosch Gmbh Verfahren zum Betreiben einer Dosiervorrichtung, Vorrichtung zur Durchführung des Verfahrens, Steuergerätprogramm sowie Steuergerät-Programmprodukt

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5943314B2 (ja) * 1979-04-02 1984-10-20 キヤノン株式会社 液滴噴射記録装置
DE3821832C1 (en) * 1988-06-29 1989-11-02 Krupp Mak Maschinenbau Gmbh, 2300 Kiel, De Exhaust system for a piston internal combustion engine
KR950012137B1 (ko) * 1989-02-02 1995-10-14 닛뽄 쇼크바이 카가꾸 고오교오 가부시기가이샤 디이젤엔진 배기가스 중의 질소산화물 제거방법
JPH03206314A (ja) * 1990-01-08 1991-09-09 Yanmar Diesel Engine Co Ltd ディーゼルエンジンのアンモニア脱硝システムにおける還元剤水溶液注入ノズル装置
JP2850547B2 (ja) * 1990-02-09 1999-01-27 トヨタ自動車株式会社 内燃機関の排気浄化装置
DE4203807A1 (de) * 1990-11-29 1993-08-12 Man Nutzfahrzeuge Ag Vorrichtung zur katalytischen no(pfeil abwaerts)x(pfeil abwaerts)-reduktion
DE4126705C2 (de) * 1991-08-13 1994-08-04 Man B & W Diesel Ag Verfahren und Vorrichtung zur Verminderung des Stickoxidausstoßes von Verbrennungsmotoren
DE59307293D1 (de) * 1992-02-10 1997-10-16 Man Nutzfahrzeuge Ag Vorrichtung zur katalytischen NOX-Reduktion
DE4230056A1 (de) * 1992-09-08 1994-03-10 Man Nutzfahrzeuge Ag Zerstäubereinrichtung
DE4435103A1 (de) * 1994-09-30 1996-04-04 Siemens Ag Verfahren und Anordnung zur Verbesserung der Wirksamkeit von SCR-DeNOx-Anlagen
JPH08192513A (ja) * 1995-01-18 1996-07-30 Fujitsu Ltd 圧電式インクジェットプリンタヘッド

Also Published As

Publication number Publication date
ITRM970689A1 (it) 1999-05-10
US5907950A (en) 1999-06-01
IT1295857B1 (it) 1999-05-28
DE19646643C1 (de) 1998-02-12
GB2319192A (en) 1998-05-20
GB9723601D0 (en) 1998-01-07
GB2319192B (en) 1998-10-28
FR2755624A1 (fr) 1998-05-15

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Legal Events

Date Code Title Description
ST Notification of lapse