FR2982318B1 - Systeme de catalyseur scr et procede de gestion de ce systeme - Google Patents

Systeme de catalyseur scr et procede de gestion de ce systeme Download PDF

Info

Publication number
FR2982318B1
FR2982318B1 FR1260519A FR1260519A FR2982318B1 FR 2982318 B1 FR2982318 B1 FR 2982318B1 FR 1260519 A FR1260519 A FR 1260519A FR 1260519 A FR1260519 A FR 1260519A FR 2982318 B1 FR2982318 B1 FR 2982318B1
Authority
FR
France
Prior art keywords
scr catalyst
managing
catalyst system
exhaust gas
reducing agent
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.)
Active
Application number
FR1260519A
Other languages
English (en)
Other versions
FR2982318A1 (fr
Inventor
Andreas Fritsch
Andreas Holzeder
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of FR2982318A1 publication Critical patent/FR2982318A1/fr
Application granted granted Critical
Publication of FR2982318B1 publication Critical patent/FR2982318B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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]
    • F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
    • 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
    • F01N13/0093—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 the purifying devices are of the same type
    • 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]
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/04—Methods of control or diagnosing
    • F01N2900/0411—Methods of control or diagnosing using a feed-forward control
    • 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
    • F01N2900/0412—Methods of control or diagnosing using pre-calibrated maps, tables or charts
    • 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
    • F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1602—Temperature of exhaust gas apparatus
    • 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
    • F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1616—NH3-slip from catalyst
    • 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
    • F01N3/033—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 in combination with other devices
    • F01N3/035—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 in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
    • 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)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

Système de catalyseur SCR comportant un premier catalyseur SCR (1) et un second catalyseur SCR (2) en aval du premier catalyseur SCR (1) dans la conduite des gaz d'échappement. Un premier dispositif de dosage (12) pour doser une solution d'agent réducteur est prévu en amont du premier élément de catalyse SCR (13) du premier catalyseur (1) dans la conduite des gaz d'échappement et le système de catalyseur SCR ne comporte pas de dispositif pour doser une solution d'agent réducteur dans le second élément de catalyse SCR (21) du second catalyseur SCR (2).
FR1260519A 2011-11-08 2012-11-06 Systeme de catalyseur scr et procede de gestion de ce systeme Active FR2982318B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011085952A DE102011085952A1 (de) 2011-11-08 2011-11-08 SCR-Katalysatorsystem und Verfahren zu seinem Betrieb

Publications (2)

Publication Number Publication Date
FR2982318A1 FR2982318A1 (fr) 2013-05-10
FR2982318B1 true FR2982318B1 (fr) 2020-09-11

Family

ID=48128861

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1260519A Active FR2982318B1 (fr) 2011-11-08 2012-11-06 Systeme de catalyseur scr et procede de gestion de ce systeme

Country Status (3)

Country Link
US (1) US8551433B2 (fr)
DE (1) DE102011085952A1 (fr)
FR (1) FR2982318B1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10300298A1 (de) * 2003-01-02 2004-07-15 Daimlerchrysler Ag Abgasnachbehandlungseinrichtung und -verfahren
US9371767B2 (en) * 2013-09-20 2016-06-21 Tenneco Automotive Operating Company Inc. Soot load determination system
DE102014207530A1 (de) 2014-04-22 2015-10-22 Bayerische Motoren Werke Aktiengesellschaft Katalysatorbaugruppe, die Baugruppe enthaltende Vorrichtung zur Reinigung von Abgasen eines Verbrennungsmotors, Baukastensystem für die Baugruppe, und Verfahren zur Herstellung der Baugruppe
GB2529183B (en) * 2014-08-12 2018-04-04 Jaguar Land Rover Ltd Engine exhaust system and control system for an engine exhaust system
DE102015221982A1 (de) 2015-11-09 2017-05-24 Robert Bosch Gmbh Verfahren zum Betreiben eines SCR-Katalysatorsystems einer Brennkraftmaschine
DE102016224667A1 (de) 2016-12-12 2018-06-14 Robert Bosch Gmbh Verfahren zum Betreiben eines Reagenzmittel-Dosiersystems, Vorrichtung zur Durchführung des Verfahrens, Steuergerät-Programm sowie Steuergerät-Programmprodukt
US10954840B2 (en) * 2017-08-02 2021-03-23 Robert Bosch Gmbh Def injection strategy for multiple injection systems
DE102017216082A1 (de) 2017-09-12 2019-03-14 Robert Bosch Gmbh Verfahren zum Betreiben eines SCR-Katalysatorsystems, welches einen ersten SCR-Katalysator und einen zweiten SCR-Katalysator aufweist
DE102017010825A1 (de) * 2017-11-23 2019-05-23 Daimler Ag Verfahren zum Betreiben einer Abgasanlage, insbesondere eines Kraftfahrzeugs

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004031624A1 (de) 2004-06-30 2006-02-02 Robert Bosch Gmbh Verfahren zum Betreiben eines zur Reinigung des Abgases einer Brennkraftmaschine verwendeten Katalysators und Vorrichtung zur Durchführung des Verfahrens
DE102005012568A1 (de) * 2005-03-18 2006-09-21 Daimlerchrysler Ag Vorrichtung zur Entfernung von Stickoxiden aus Brennkraftmaschinenabgas und Verfahren zur Dosierung eines Zuschlagstoffs für Brennkraftmaschinenabgas
EP2116293B1 (fr) * 2008-04-11 2010-03-17 Umicore AG & Co. KG Système de nettoyage de gaz d'échappement destiné au traitement de gaz d'échappement de moteur à l'aide d'un catalyseur SCR
US20100077739A1 (en) * 2008-09-30 2010-04-01 Rodman Anthony C Exhaust system implementing dual stage SCR
US8448424B2 (en) * 2009-01-16 2013-05-28 Ford Global Technologies, Llc. Emission control system with an integrated particulate filter and selective catalytic reduction unit
US9476338B2 (en) * 2010-05-03 2016-10-25 Cummins Inc. Ammonia sensor control, with NOx feedback, of an SCR aftertreatment system
US8800272B2 (en) * 2011-07-15 2014-08-12 Ford Global Technologies, Llc System and method for processing NHD slippage of a selective catalyst reduction system
US20130047583A1 (en) * 2011-08-31 2013-02-28 Caterpillar Inc. Aftertreatment system
US8881508B2 (en) * 2011-10-31 2014-11-11 Commins Inc. SCR control system utilizing a differential NH3 and NOx measurement using an exhaust gas sensor coupled with a micro SCR catalyst

Also Published As

Publication number Publication date
US20130115150A1 (en) 2013-05-09
US8551433B2 (en) 2013-10-08
DE102011085952A1 (de) 2013-05-08
FR2982318A1 (fr) 2013-05-10

Similar Documents

Publication Publication Date Title
FR2982318B1 (fr) Systeme de catalyseur scr et procede de gestion de ce systeme
FR3043429B1 (fr) Procede de gestion d'un systeme de catalyseurs scr d'un moteur a combustion interne
GB2556753A (en) Sensor configuration for aftertreatment system including SCR on filter
MX2013008040A (es) Dispositivo de suministro reductor.
IN2014CN00718A (fr)
FR3047272B1 (fr) Procede pour determiner un debit massique d'ammoniac
ATE523669T1 (de) Abgasnachbehandlungssystem
WO2013036406A3 (fr) Modificateur de débit d'échappement de pré-injection
RU2014145035A (ru) Способ для двигателя (варианты) и система двигателя
RU2014136551A (ru) Система и способы управления дозированием восстановителя
ATE421903T1 (de) Dosiersystem sowie verfahren zum betreiben eines dosiersystems
IN2014DN10230A (fr)
IN2014MN02640A (fr)
BR112014027095A2 (pt) sistema de tratamento posterior de exaustão e método pertencente a tal sistema
EP2556870A3 (fr) Système de distribution de fluide avec filtration
RU2014144277A (ru) Способ для двигателя (варианты) и система двигателя
WO2012096510A3 (fr) Dispositif de post-traitement de gaz d'échappement pour moteur diesel
RU2013150283A (ru) Способ эксплуатации дозирующего устройства для селекционного каталитического восстановления
EP2461000A3 (fr) Procédé pour prédire une charge de NOx au niveau du catalyseur de DeNOx et système d'échappement l'utilisant
GB2532662A (en) System, methods, and apparatus for low temperature dosing in diesel exhaust systems
GB201204186D0 (en) A mixer for an exhaust after-treatment system
US9957868B2 (en) Centerline injection system for liquid-only reductant delivery
EP2484877A3 (fr) Système d'échappement doté d'un canal de dosage thermiquement conducteur
FR2985286B1 (fr) Dispositif de post-traitement des gaz d'echappement et son procede de fonctionnement
MX2012011999A (es) Monitor de amoniaco en sistema de dosificacion.

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 4

PLFP Fee payment

Year of fee payment: 5

PLSC Publication of the preliminary search report

Effective date: 20170310

PLFP Fee payment

Year of fee payment: 6

PLFP Fee payment

Year of fee payment: 8

PLFP Fee payment

Year of fee payment: 9

PLFP Fee payment

Year of fee payment: 10

PLFP Fee payment

Year of fee payment: 11