DE112015000328B4 - Verfahren und System zum Zuführen von Additiv zu einem Abgasstrom - Google Patents

Verfahren und System zum Zuführen von Additiv zu einem Abgasstrom Download PDF

Info

Publication number
DE112015000328B4
DE112015000328B4 DE112015000328.2T DE112015000328T DE112015000328B4 DE 112015000328 B4 DE112015000328 B4 DE 112015000328B4 DE 112015000328 T DE112015000328 T DE 112015000328T DE 112015000328 B4 DE112015000328 B4 DE 112015000328B4
Authority
DE
Germany
Prior art keywords
reduction
additive
substance
supply
measurement
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
DE112015000328.2T
Other languages
German (de)
English (en)
Other versions
DE112015000328T5 (de
Inventor
Christer Lundberg
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.)
Scania CV AB
Original Assignee
Scania CV AB
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 Scania CV AB filed Critical Scania CV AB
Publication of DE112015000328T5 publication Critical patent/DE112015000328T5/de
Application granted granted Critical
Publication of DE112015000328B4 publication Critical patent/DE112015000328B4/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • F01N9/00—Electrical control of exhaust gas treating apparatus
    • F01N9/005—Electrical control of exhaust gas treating apparatus using models instead of sensors to determine operating characteristics of exhaust systems, e.g. calculating catalyst temperature instead of measuring it directly
    • 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
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • F01N3/208—Control of selective catalytic reduction [SCR], e.g. by adjusting the 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
    • F01N9/00—Electrical control of exhaust gas treating 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
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/026—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting NOx
    • 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
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/14—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics having more than one sensor of one kind
    • 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
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
    • F01N2900/1402—Exhaust gas composition
    • 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
    • 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
    • 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
    • Y02T10/40—Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
DE112015000328.2T 2014-01-31 2015-01-29 Verfahren und System zum Zuführen von Additiv zu einem Abgasstrom Active DE112015000328B4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE1450099-5 2014-01-31
SE1450099A SE540265C2 (sv) 2014-01-31 2014-01-31 Förfarande och system vid tillförsel av tillsatsmedel till en avgasström
PCT/SE2015/050089 WO2015115978A1 (en) 2014-01-31 2015-01-29 Method and system at supply of additive to an exhaust gas stream

Publications (2)

Publication Number Publication Date
DE112015000328T5 DE112015000328T5 (de) 2016-11-24
DE112015000328B4 true DE112015000328B4 (de) 2022-10-20

Family

ID=53757423

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112015000328.2T Active DE112015000328B4 (de) 2014-01-31 2015-01-29 Verfahren und System zum Zuführen von Additiv zu einem Abgasstrom

Country Status (6)

Country Link
US (1) US10371035B2 (https=)
KR (1) KR101864820B1 (https=)
BR (1) BR112016016079B1 (https=)
DE (1) DE112015000328B4 (https=)
SE (1) SE540265C2 (https=)
WO (1) WO2015115978A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE541557C2 (en) 2016-07-14 2019-10-29 Scania Cv Ab Method and system for diagnosing an aftertreatment system
SE540087C2 (en) 2016-07-14 2018-03-20 Scania Cv Ab A system and a method for diagnosing the performance of two NOx sensors in an exhaust gas processing configuration comprising two SCR units
SE540088C2 (en) 2016-07-14 2018-03-20 Scania Cv Ab Method and system for use when correcting supply of an additive to an exhaust gas stream
SE540140C2 (en) 2016-07-14 2018-04-10 Scania Cv Ab Method and system for diagnosing an aftertreatment components subjected to an exhaust gas stream
DE102018106952A1 (de) * 2018-03-23 2019-09-26 Man Truck & Bus Ag Verfahren und Vorrichtung zum Überwachen einer SCR-Abgasnachbehandlungseinrichtung
CN115628127A (zh) * 2022-10-31 2023-01-20 湖南道依茨动力有限公司 Scr效率低故障诊断方法、装置及作业机械

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010032457A1 (en) 1998-11-09 2001-10-25 Wolfgang Ludwig Method for adapting a raw NOx concentration value of an internal combustion engine operating with an excess of air
DE102008040377A1 (de) 2008-07-11 2010-01-14 Robert Bosch Gmbh Verfahren zum Dosieren eines Reagenzmittels und Vorrichtung zur Durchführung des Verfahrens
US20110094209A1 (en) 2008-05-16 2011-04-28 Peugeot Citroen Automobiles Sa Method for correcting nitrogen oxide emission models
US20110320132A1 (en) 2010-06-24 2011-12-29 GM Global Technology Operations LLC METHOD FOR THE DETERMINATION OF A NOx CONCENTRATION VALUE UPSTREAM OF A SCR CATALYST IN A DIESEL ENGINE

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4075440B2 (ja) * 2002-04-10 2008-04-16 三菱ふそうトラック・バス株式会社 内燃機関のＮＯｘ浄化装置
DE10301602A1 (de) * 2003-01-17 2004-07-29 Robert Bosch Gmbh Verfahren und Vorrichtung zum Betreiben einer Dosiereinheit eines Katalysators
GB0614445D0 (en) * 2006-07-20 2006-08-30 Ricardo Uk Ltd Control of selective catalytic reduction
US8034291B2 (en) * 2008-01-23 2011-10-11 Cummins Filtration Ip, Inc. Feedback control in selective catalytic reduction
US8281572B2 (en) * 2008-04-30 2012-10-09 Cummins Ip, Inc. Apparatus, system, and method for reducing NOx emissions from an engine system
US8596042B2 (en) * 2008-08-28 2013-12-03 Delphi International Operations Luxembourg S.A.R.L. System and method for selective catalytic reduction control
US20100101214A1 (en) * 2008-10-24 2010-04-29 Herman Andrew D Diagnostic methods for selective catalytic reduction (scr) exhaust treatment system
DE102009012093A1 (de) 2009-03-06 2010-09-09 Man Nutzfahrzeuge Ag Verfahren zur Einstellung der Dosierungen des Reduktionsmittels bei selektiver katalytischer Reduktion
SE534479C2 (sv) * 2010-01-27 2011-09-06 Scania Cv Ab Skattning av en avvikelse för åtminstone en modellvariabel hos en katalysatormodell
EP2439386A1 (en) * 2010-10-06 2012-04-11 Nicholas Michael Zayan SCR ammonia slip detection
KR101317413B1 (ko) * 2011-11-22 2013-10-10 서울대학교산학협력단 녹스 제어 시스템 및 방법
CN104769244B (zh) * 2012-11-07 2017-05-10 丰田自动车株式会社 内燃机的排气净化装置
JPWO2014097393A1 (ja) * 2012-12-18 2017-01-12 トヨタ自動車株式会社 内燃機関の排気浄化装置
FR3004538B1 (fr) * 2013-04-12 2015-05-29 Continental Automotive France Procede pour determiner la quantite reelle d'un produit actif entrant dans un dispositif de catalyse d'une ligne d'echappement d'un vehicule
SE540266C2 (sv) 2014-01-31 2018-05-15 Scania Cv Ab Förfarande och system för att adaptera tillförsel av tillsatsmedel till en avgasström
KR20150111281A (ko) * 2014-03-25 2015-10-05 현대중공업 주식회사 선박 및 유해물질 저감기기 예열장치 그리고, 유해물질 저감기기 예열방법
US9810672B2 (en) * 2014-12-04 2017-11-07 Caterpillar Inc. Method of operating an engine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010032457A1 (en) 1998-11-09 2001-10-25 Wolfgang Ludwig Method for adapting a raw NOx concentration value of an internal combustion engine operating with an excess of air
US20110094209A1 (en) 2008-05-16 2011-04-28 Peugeot Citroen Automobiles Sa Method for correcting nitrogen oxide emission models
DE102008040377A1 (de) 2008-07-11 2010-01-14 Robert Bosch Gmbh Verfahren zum Dosieren eines Reagenzmittels und Vorrichtung zur Durchführung des Verfahrens
US20110320132A1 (en) 2010-06-24 2011-12-29 GM Global Technology Operations LLC METHOD FOR THE DETERMINATION OF A NOx CONCENTRATION VALUE UPSTREAM OF A SCR CATALYST IN A DIESEL ENGINE

Also Published As

Publication number Publication date
KR20160117525A (ko) 2016-10-10
SE540265C2 (sv) 2018-05-15
US10371035B2 (en) 2019-08-06
SE1450099A1 (sv) 2015-08-01
DE112015000328T5 (de) 2016-11-24
US20160326935A1 (en) 2016-11-10
WO2015115978A1 (en) 2015-08-06
BR112016016079A2 (https=) 2017-08-08
KR101864820B1 (ko) 2018-06-05
BR112016016079B1 (pt) 2023-02-07

Similar Documents

Publication Publication Date Title
DE112015000328B4 (de) Verfahren und System zum Zuführen von Additiv zu einem Abgasstrom
DE102017217728B4 (de) Verfahren zum Betreiben eines Abgasnachbehandlungssystems eines Dieselmotors und Abgasnachbehandlungssystem
EP2310112B1 (de) Verfahren zum betreiben einer abgasreinigungsanlage mit einem scr-katalysator
DE112014007113B4 (de) System, Verfahren und nicht-flüchtiges computerlesbares Medium zur Diagnose eines SCR-Umwandlungswirkungsgrads
DE102013012575A1 (de) Verfahren und Vorrichtung zur Ermittlung des Wirkungsgrades einer Abgasreinigungsvorrichtung
DE102017216082A1 (de) Verfahren zum Betreiben eines SCR-Katalysatorsystems, welches einen ersten SCR-Katalysator und einen zweiten SCR-Katalysator aufweist
DE102016211575A1 (de) Fehlererkennung in einem SCR-System mittels eines Ammoniak-Füllstands
DE102019113396A1 (de) Verfahren und system zur kompensation von nox-sensormessfehlern
DE112014001776B4 (de) Verfahren und System zur Steuerung eines Verbrennungsmotors
EP3320195B1 (de) Verfahren zum betreiben eines abgasnachbehandlungssystems mit einem scr-katalysator
DE102011087082B4 (de) Verfahren zum Betreiben eines SCRF-Katalysatorsystems
DE102015224670A1 (de) Verfahren zur Korrektur eines Modellwertes einer NOx-Konzentration
DE102017124080A1 (de) Verfahren zur Regelung einer Abgasnachbehandlungsvorrichtung einer Verbrennungskraftmaschine
DE112014001724B4 (de) Verfahren und System zum Steuern eines Verbrennungsmotors
DE112014001774B4 (de) Verfahren und System zum Steuern eines Verbrennungsmotors
DE102015212697B4 (de) Verfahren zum Betreiben eines Abgasnachbehandlungssystems mit einem SCR-Katalysator, Steuereinrichtung für ein solches Abgasnachbehandlungssystem, Abgasnachbehandlungssystem und Brennkraftmaschine
WO2020037346A1 (de) Verfahren und verbrennungskraftmaschine zur effizienzverbesserung eines scr-systems
DE102016110980A1 (de) Reduktionsmitteldosierungskorrektur während Leerdosierungszeiten
DE102016005262A1 (de) Verfahren in Bezug auf ein SCR-System, und ein SCR-System
DE112015000329B4 (de) Verfahren und System zum Anpassen der Zufuhr von Additiv zu einem Abgasstrom
DE102019220343A1 (de) Verfahren zum Steuern eines SCR-Katalysators
DE102010000896A1 (de) Verfahren zur Bestimmung eines NO2-/NOX-Verhältnisses im Abgas
DE102018213380A1 (de) Verfahren zur Überwachung eines SCR-Katalysators
AT521760A1 (de) Frequenzbasiertes NH3-Schlupferkennungverfahren
EP3504407A1 (de) Verfahren zur qualitätskontrolle einer reduktionsmittellösung in einem scr-katalysator

Legal Events

Date Code Title Description
R012 Request for examination validly filed
R079 Amendment of ipc main class

Free format text: PREVIOUS MAIN CLASS: F01N0003200000

Ipc: F01N0009000000

R016 Response to examination communication
R016 Response to examination communication
R018 Grant decision by examination section/examining division
R020 Patent grant now final