BR112014003538A2 - método e sistema para detectar cristais de agente de redução em um sistema de pós-tratamento de descarga de scr - Google Patents
método e sistema para detectar cristais de agente de redução em um sistema de pós-tratamento de descarga de scrInfo
- Publication number
- BR112014003538A2 BR112014003538A2 BR112014003538A BR112014003538A BR112014003538A2 BR 112014003538 A2 BR112014003538 A2 BR 112014003538A2 BR 112014003538 A BR112014003538 A BR 112014003538A BR 112014003538 A BR112014003538 A BR 112014003538A BR 112014003538 A2 BR112014003538 A2 BR 112014003538A2
- Authority
- BR
- Brazil
- Prior art keywords
- reducing agent
- scr
- scr catalyst
- agent crystals
- crystals
- Prior art date
Links
- 239000003638 chemical reducing agent Substances 0.000 title abstract 10
- 239000013078 crystal Substances 0.000 title abstract 7
- 238000000034 method Methods 0.000 title abstract 6
- 239000003054 catalyst Substances 0.000 abstract 6
- 238000011144 upstream manufacturing Methods 0.000 abstract 3
- 238000004590 computer program Methods 0.000 abstract 1
Classifications
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- 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
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
- F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
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- 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
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- 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
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
-
- 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
- F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
- F01N2550/05—Systems for adding substances into exhaust
-
- 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
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- 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
- F01N2560/06—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
-
- 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
- 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
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- 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
-
- 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
- F01N2900/1404—Exhaust gas temperature
-
- 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
- F01N2900/1614—NOx amount trapped in catalyst
-
- 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)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
1/1 resumo "método e sistema para detectar cristais de agente de redução em um sistema de pós-tratamento de descarga de scr" a invenção se refere a um método relacionado a um sistema de scr pelo que agente de redução é fornecido para um fluxo de escape a montante de um catalisador de scr (260), o teor de nox nos gases de escape é medido a montante e a jusante do catalisador de scr (260) e qualquer presença de cristais de agente de redução no catalisador de scr (260) é detectada. o método compreende as etapas de primeiro desligar o fornecimento de agente de redução para o fluxo de escape, de forma que o catalisador de scr é substancialmente esvaziado de agente de redução vaporizado, e em seguida, em uma temperatura na qual cristais de agente de redução se vaporizam, medir teores de nox a montante e a jusante do catalisador de scr. os valores são comparados um com o outro e se a diferença entre os teores medidos de nox exceder um certo valor, é tomada como uma indicação de presença de cristais de agente de redução no catalisador de scr. o método compreende também determinar que os teores de nox sejam corretamente medidos, e -concluir que cristais de agente de redução estão presentes, desde que os teores de nox tenham sido corretamente medidos e a presença de cristais de agente de redução no catalisador de scr (260) tenha sido indicada. a invenção se refere também a um produto de programa de computador compreendendo código de programa (p) para implementação de o método. a invenção se refere também a um sistema de scr e um veículo automotor (100, 110) equipado com o sistema.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE1150789A SE536083C2 (sv) | 2011-08-31 | 2011-08-31 | Förfarande för att detektera reduktionsmedelskristaller i ett SCR-system och motsvarande SCR-system |
SE1150789-4 | 2011-08-31 | ||
PCT/SE2012/050909 WO2013032390A1 (en) | 2011-08-31 | 2012-08-28 | Method and system for detecting reducing agent crystals in an scr exhaust after treatment system |
Publications (2)
Publication Number | Publication Date |
---|---|
BR112014003538A2 true BR112014003538A2 (pt) | 2017-03-14 |
BR112014003538B1 BR112014003538B1 (pt) | 2021-07-20 |
Family
ID=47756640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112014003538-5A BR112014003538B1 (pt) | 2011-08-31 | 2012-08-28 | Método e sistema para detectar cristais de agente de redução em um sistema de pós- tratamento de descarga de scr, e veículo automotor |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP2751406B1 (pt) |
JP (1) | JP2014527599A (pt) |
KR (1) | KR101591034B1 (pt) |
BR (1) | BR112014003538B1 (pt) |
RU (1) | RU2563595C1 (pt) |
SE (1) | SE536083C2 (pt) |
WO (1) | WO2013032390A1 (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2512171A (en) * | 2013-12-19 | 2014-09-24 | Daimler Ag | Method and control assembly for operating an exhaust gas system |
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 |
US9617892B2 (en) | 2015-07-22 | 2017-04-11 | Caterpillar Inc. | Method and apparatus to reduce urea deposits |
JP6828706B2 (ja) * | 2018-03-22 | 2021-02-10 | トヨタ自動車株式会社 | 内燃機関の排気浄化システム |
CN111894713B (zh) * | 2020-07-15 | 2021-08-20 | 潍柴动力股份有限公司 | 选择性催化还原器的结晶故障确定方法及装置 |
CN114810306B (zh) * | 2022-05-09 | 2023-05-23 | 潍柴动力股份有限公司 | 选择性催化还原器内部结晶的确定方法、装置和处理器 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3686672B1 (ja) * | 2004-12-24 | 2005-08-24 | 日産ディーゼル工業株式会社 | エンジンの排気浄化装置 |
JP5121240B2 (ja) * | 2007-02-02 | 2013-01-16 | ボッシュ株式会社 | 排気浄化システムの故障診断装置及び排気浄化システムの故障診断方法 |
US8171724B2 (en) * | 2007-05-02 | 2012-05-08 | Ford Global Technologies, Llc | Vehicle-based strategy for removing urea deposits from an SCR catalyst |
JP2010121478A (ja) * | 2008-11-18 | 2010-06-03 | Nippon Soken Inc | 内燃機関の排気浄化制御装置及び排気浄化システム |
US20110030343A1 (en) * | 2009-08-06 | 2011-02-10 | Caterpillar Inc. | Scr reductant deposit removal |
CN102803675B (zh) * | 2009-12-21 | 2015-04-01 | 酷敏斯Ip公司 | 用于缓解柴油机排气流体沉积和关联条件的装置、系统和方法 |
US9097159B2 (en) * | 2010-10-21 | 2015-08-04 | Volvo Trucks AB | Method for detecting urea deposits in an exhaust line of an automotive vehicle, method for eliminating urea deposits and automotive vehicle adapted to such methods |
-
2011
- 2011-08-31 SE SE1150789A patent/SE536083C2/sv unknown
-
2012
- 2012-08-28 KR KR1020147008586A patent/KR101591034B1/ko active IP Right Grant
- 2012-08-28 WO PCT/SE2012/050909 patent/WO2013032390A1/en active Application Filing
- 2012-08-28 BR BR112014003538-5A patent/BR112014003538B1/pt active IP Right Grant
- 2012-08-28 JP JP2014528326A patent/JP2014527599A/ja active Pending
- 2012-08-28 EP EP12827511.2A patent/EP2751406B1/en active Active
- 2012-08-28 RU RU2014112224/06A patent/RU2563595C1/ru not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BR112014003538B1 (pt) | 2021-07-20 |
RU2563595C1 (ru) | 2015-09-20 |
KR101591034B1 (ko) | 2016-02-03 |
JP2014527599A (ja) | 2014-10-16 |
SE1150789A1 (sv) | 2013-03-01 |
SE536083C2 (sv) | 2013-04-30 |
EP2751406B1 (en) | 2016-07-27 |
EP2751406A1 (en) | 2014-07-09 |
WO2013032390A1 (en) | 2013-03-07 |
EP2751406A4 (en) | 2015-04-29 |
KR20140063755A (ko) | 2014-05-27 |
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B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 28/08/2012, OBSERVADAS AS CONDICOES LEGAIS. |