ATE459407T1 - System und verfahren zur selektiven steuerung einer katalytischen reduktion - Google Patents
System und verfahren zur selektiven steuerung einer katalytischen reduktionInfo
- Publication number
- ATE459407T1 ATE459407T1 AT07253090T AT07253090T ATE459407T1 AT E459407 T1 ATE459407 T1 AT E459407T1 AT 07253090 T AT07253090 T AT 07253090T AT 07253090 T AT07253090 T AT 07253090T AT E459407 T1 ATE459407 T1 AT E459407T1
- Authority
- AT
- Austria
- Prior art keywords
- scr catalyst
- stored
- catalytic reduction
- value
- selective control
- Prior art date
Links
Classifications
-
- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/90—Injecting reactants
-
- 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
- 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
- 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
- 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
- F01N2560/021—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting ammonia NH3
-
- 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
- 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
- F01N2900/08—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
- F01N2900/16—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
- 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
- F01N2900/1621—Catalyst conversion efficiency
-
- 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
- F01N2900/1622—Catalyst reducing agent absorption capacity or consumption amount
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07253090A EP2025388B8 (de) | 2007-07-31 | 2007-07-31 | System und Verfahren zur selektiven Steuerung einer katalytischen Reduktion |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE459407T1 true ATE459407T1 (de) | 2010-03-15 |
Family
ID=38956365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT07253090T ATE459407T1 (de) | 2007-07-31 | 2007-07-31 | System und verfahren zur selektiven steuerung einer katalytischen reduktion |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2025388B8 (de) |
AT (1) | ATE459407T1 (de) |
DE (1) | DE602007005125D1 (de) |
WO (1) | WO2009024622A2 (de) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE533790C2 (sv) * | 2009-05-29 | 2011-01-11 | Scania Cv Ab | Förfarande och system för styrning av insprutningen av reduktionsmedel uppströms en SCR-katalysator |
JP5398372B2 (ja) * | 2009-06-18 | 2014-01-29 | Udトラックス株式会社 | エンジンの排気浄化装置 |
ES2434741T3 (es) * | 2009-12-23 | 2013-12-17 | Fpt Motorenforschung Ag | Método y dispositivo para controlar un convertidor catalítico SCR de un vehículo |
WO2011082401A2 (en) | 2010-01-01 | 2011-07-07 | Cummins Intellectual Properties, Inc. | Engine and exhaust aftertreatment control |
SE534479C2 (sv) * | 2010-01-27 | 2011-09-06 | Scania Cv Ab | Skattning av en avvikelse för åtminstone en modellvariabel hos en katalysatormodell |
DE102010060099A1 (de) * | 2010-10-21 | 2012-04-26 | Ford Global Technologies, Llc. | Verfahren zum Anpassen eines SCR Katalysators in einem Abgassystem eines Kraftfahrzeugs |
DE102011103346B4 (de) | 2011-02-16 | 2014-06-26 | Mtu Friedrichshafen Gmbh | Verfahren zur modellbasierten Bestimmung der Temperaturverteilung einer Abgasnachbehandlungseinheit |
WO2013190659A1 (ja) | 2012-06-20 | 2013-12-27 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
CN104884754B (zh) * | 2012-12-13 | 2017-11-14 | 丰田自动车株式会社 | 排气净化装置的故障诊断装置 |
US9512764B2 (en) | 2013-07-11 | 2016-12-06 | Ford Global Technologies, Llc | Ammonia storage management for SCR catalyst |
JP6330444B2 (ja) * | 2014-04-16 | 2018-05-30 | いすゞ自動車株式会社 | 排気浄化システム |
DE102015216656A1 (de) * | 2015-09-01 | 2017-03-02 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zum Betrieb einer Abgasreinigungsanlage |
CN105370354B (zh) * | 2015-12-11 | 2018-03-27 | 中国北方发动机研究所(天津) | 一种柴油机scr后处理稳态前馈控制方法 |
WO2018106174A1 (en) | 2016-12-08 | 2018-06-14 | Scania Cv Ab | Method and system for controlling an ammonia coverage degree profile |
FR3066542B1 (fr) * | 2017-05-16 | 2021-04-02 | Renault Sas | Procede de traitement des oxydes d'azote a l'echappement d'un moteur a combustion interne et dispositif associe |
WO2019019046A1 (zh) * | 2017-07-26 | 2019-01-31 | 罗伯特·博世有限公司 | 用于控制发动机中的scr尿素喷射系统的喷射量的方法及装置 |
FR3076854A1 (fr) * | 2018-01-12 | 2019-07-19 | Psa Automobiles Sa | Procede de controle d’un systeme de reduction selective catalytique |
CN109236427B (zh) * | 2018-09-14 | 2020-11-03 | 国家能源投资集团有限责任公司 | Scr系统的喷氨控制方法和装置、存储介质、处理器 |
GB2589150B (en) * | 2019-11-25 | 2022-02-23 | Delphi Automotive Systems Lux | Dual SCR system control method |
CN111828150B (zh) * | 2020-07-16 | 2021-08-17 | 一汽解放汽车有限公司 | 一种发动机后处理器尿素喷射的控制方法 |
CN112903272B (zh) * | 2021-01-25 | 2024-02-27 | 凯龙高科技股份有限公司 | 一种scr催化剂nh3存储校准试验装置及方法 |
CN113648830B (zh) * | 2021-02-26 | 2022-07-01 | 齐鲁工业大学 | 一种大截面燃煤烟气流速测量及scr系统氨定量方法 |
CN115045738B (zh) * | 2022-05-09 | 2023-11-17 | 潍柴动力股份有限公司 | 尿素喷射系统的控制方法、装置、处理器和尿素喷射系统 |
DE102022128485A1 (de) * | 2022-10-27 | 2024-05-02 | Volkswagen Aktiengesellschaft | Verfahren zum Betreiben eines Abgasnachbehandlungssystems sowie Abgasnachbehandlungssystem |
CN117588291B (zh) * | 2024-01-18 | 2024-04-09 | 中汽研汽车检验中心(天津)有限公司 | 一种尿素品质在线监测方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6993900B2 (en) * | 2002-10-21 | 2006-02-07 | Ford Global Technologies, Llc | Exhaust gas aftertreatment systems |
US7093427B2 (en) * | 2002-11-21 | 2006-08-22 | Ford Global Technologies, Llc | Exhaust gas aftertreatment systems |
SE526404C2 (sv) * | 2004-01-20 | 2005-09-06 | Scania Cv Abp | Förfarande och anordning för styrning av insprutning av reduktionsmedel |
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 |
US20070137181A1 (en) * | 2005-12-16 | 2007-06-21 | Devesh Upadhyay | Exhaust gas aftertreatment systems |
-
2007
- 2007-07-31 DE DE602007005125T patent/DE602007005125D1/de active Active
- 2007-07-31 AT AT07253090T patent/ATE459407T1/de not_active IP Right Cessation
- 2007-07-31 EP EP07253090A patent/EP2025388B8/de active Active
-
2008
- 2008-09-30 WO PCT/EP2008/063066 patent/WO2009024622A2/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2009024622A8 (en) | 2010-03-11 |
WO2009024622A2 (en) | 2009-02-26 |
DE602007005125D1 (de) | 2010-04-15 |
EP2025388A1 (de) | 2009-02-18 |
WO2009024622A3 (en) | 2009-06-04 |
EP2025388B1 (de) | 2010-03-03 |
EP2025388B8 (de) | 2010-05-12 |
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Legal Events
Date | Code | Title | Description |
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RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |