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ATE532951T1 - Scr-system und spülverfahren dafür - Google Patents

Scr-system und spülverfahren dafür

Info

Publication number
ATE532951T1
ATE532951T1 AT08804147T AT08804147T ATE532951T1 AT E532951 T1 ATE532951 T1 AT E532951T1 AT 08804147 T AT08804147 T AT 08804147T AT 08804147 T AT08804147 T AT 08804147T AT E532951 T1 ATE532951 T1 AT E532951T1
Authority
AT
Austria
Prior art keywords
exhaust gases
scr system
feeding
suction device
flushing process
Prior art date
Application number
AT08804147T
Other languages
English (en)
Inventor
Jean-Claude Habumuremyi
Frederic Peucat
Nicolas Duret
Stephane Leonard
Guillaume Zeller
Original Assignee
Inergy Automotive Systems Res
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 Inergy Automotive Systems Res filed Critical Inergy Automotive Systems Res
Application granted granted Critical
Publication of ATE532951T1 publication Critical patent/ATE532951T1/de

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
    • 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]
    • F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2067—Urea
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B01D2257/404—Nitrogen oxides other than dinitrogen oxide
    • 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
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1473—Overflow or return means for the substances, e.g. conduits or valves for the return path
    • 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
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1493—Purging the reducing agent out of the conduits or nozzle
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/04—Methods of control or diagnosing
    • F01N2900/0422—Methods of control or diagnosing measuring the elapsed time
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/08—Parameters used for exhaust control or diagnosing said parameters being related to the engine
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/18—Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust
    • F01N2900/1806—Properties of reducing agent or dosing system
    • F01N2900/1808—Pressure
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Treating Waste Gases (AREA)
AT08804147T 2007-09-14 2008-09-12 Scr-system und spülverfahren dafür ATE532951T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0757602A FR2921105A1 (fr) 2007-09-14 2007-09-14 Systeme scr et methode pour sa purge
PCT/EP2008/062184 WO2009034176A1 (en) 2007-09-14 2008-09-12 Scr system and method for the purging thereof

Publications (1)

Publication Number Publication Date
ATE532951T1 true ATE532951T1 (de) 2011-11-15

Family

ID=39247149

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08804147T ATE532951T1 (de) 2007-09-14 2008-09-12 Scr-system und spülverfahren dafür

Country Status (7)

Country Link
US (2) US8393144B2 (de)
EP (1) EP2201227B1 (de)
KR (1) KR101513757B1 (de)
CN (1) CN101809257B (de)
AT (1) ATE532951T1 (de)
FR (1) FR2921105A1 (de)
WO (1) WO2009034176A1 (de)

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CN102395763A (zh) * 2009-04-13 2012-03-28 博世株式会社 车辆用的排气净化装置
DE102010004201A1 (de) * 2010-01-08 2011-07-14 Emitec Gesellschaft für Emissionstechnologie mbH, 53797 Verfahren zum Betrieb einer Fördervorrichtung für ein Reduktionsmittel
FR2958681B1 (fr) * 2010-04-13 2012-05-25 Peugeot Citroen Automobiles Sa Strategie de pilotage de phase de purge sur systeme de reduction catalytique selective
FR2967464B1 (fr) * 2010-11-16 2012-11-02 Peugeot Citroen Automobiles Sa Methode de controle de l'activation d'un systeme de reduction catalytique selective
FR2981689B1 (fr) * 2011-10-21 2014-12-26 Peugeot Citroen Automobiles Sa Procede de purge d'un systeme d'injection dosee d'un agent liquide dans un ensemble et systeme d'injection pouvant etre purge par un tel procede
JP5549709B2 (ja) * 2012-07-02 2014-07-16 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP5995665B2 (ja) * 2012-11-09 2016-09-21 ボッシュ株式会社 還元剤供給装置
DE102013105710A1 (de) * 2013-06-04 2014-12-04 Emitec Gesellschaft Für Emissionstechnologie Mbh Verfahren zum Betrieb einer Vorrichtung zur Förderung einer Flüssigkeit
DE102013105712A1 (de) * 2013-06-04 2014-12-04 Emitec Gesellschaft Für Emissionstechnologie Mbh Verfahren zum Betrieb einer Vorrichtung zur Förderung einer Flüssigkeit
US9664084B2 (en) 2015-09-22 2017-05-30 Caterpillar Inc. Emission reduction system
JP6369484B2 (ja) * 2016-02-17 2018-08-08 トヨタ自動車株式会社 内燃機関の排気浄化装置
CN108625939A (zh) * 2017-03-20 2018-10-09 天纳克（苏州）排放系统有限公司 集成装置、尾气后处理系统以及控制方法
CN110295974B (zh) * 2018-03-21 2022-02-25 罗伯特·博世有限公司 车辆scr系统及其控制单元和排空控制方法
US11040308B2 (en) 2018-07-05 2021-06-22 Cummins Emission Solutions Inc. Systems and methods for purging reductant from a reductant injector
CN111828148B (zh) * 2019-04-15 2021-10-26 康明斯排放处理公司 用于检测未完成清除事件的系统和方法
US11143074B2 (en) 2019-07-30 2021-10-12 Delphi Technologies Ip Limited Reagent dosing system and method
DE102020215263B4 (de) * 2020-12-03 2023-10-19 Vitesco Technologies GmbH Verfahren zur Dosierung einer wässrigen Harnstofflösung

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Also Published As

Publication number Publication date
CN101809257B (zh) 2012-10-03
US20100307142A1 (en) 2010-12-09
EP2201227B1 (de) 2011-11-09
EP2201227A1 (de) 2010-06-30
KR20100083141A (ko) 2010-07-21
KR101513757B1 (ko) 2015-04-21
FR2921105A1 (fr) 2009-03-20
US8959899B2 (en) 2015-02-24
US20130263580A1 (en) 2013-10-10
US8393144B2 (en) 2013-03-12
CN101809257A (zh) 2010-08-18
WO2009034176A1 (en) 2009-03-19

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