JP2012002062A - Scr解凍制御システム - Google Patents
Scr解凍制御システム Download PDFInfo
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- JP2012002062A JP2012002062A JP2010119863A JP2010119863A JP2012002062A JP 2012002062 A JP2012002062 A JP 2012002062A JP 2010119863 A JP2010119863 A JP 2010119863A JP 2010119863 A JP2010119863 A JP 2010119863A JP 2012002062 A JP2012002062 A JP 2012002062A
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- Prior art keywords
- urea water
- thawing
- supply module
- pressure
- scr
- 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.)
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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
- 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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- 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
- B01D53/9495—Controlling the catalytic process
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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
-
- 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
- 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
- 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
- F01N2610/10—Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance
-
- 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
- F01N2900/0421—Methods of control or diagnosing using an increment counter when a predetermined event occurs
-
- 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
-
- 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
- F01N2900/1811—Temperature
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- 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)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Biomedical Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
【解決手段】尿素水を貯留する尿素タンク105内、尿素タンク105と尿素水をSCR装置103の上流側で噴射するドージングバルブ104間の送液・圧送・回収ライン116,117,118内、送液・圧送・回収ライン116,117,118に接続されたサプライモジュール106内のいずれかの尿素水が凍結した際に、これら尿素水をエンジン冷却水で解凍し、解凍後にサプライモジュール106のSMポンプ112を作動させてドージングバルブ104から噴射するようにしたSCR解凍制御システム127において、SMポンプ112を作動させたときに、サプライモジュール106内における圧力を検出し、その圧力が一定値に達しないとき、SMポンプ112の作動を停止すると共に尿素水の解凍を継続する解凍制御部128を備えたものである。
【選択図】図3
Description
104 ドージングバルブ
105 尿素タンク
106 サプライモジュール
112 SMポンプ
116 送液ライン
117 圧送ライン
118 回収ライン
127 SCR解凍制御システム
128 解凍制御部
Claims (4)
- 選択還元触媒装置の尿素水が凍結した際に、該尿素水を解凍し、解凍後にサプライモジュールのサプライモジュールポンプを作動させてドージングバルブから噴射するようにしたSCR解凍制御システムにおいて、サプライモジュールポンプを作動させたときに、サプライモジュール内における圧力を検出し、その圧力が一定値に達しないとき、サプライモジュールポンプの作動を停止する解凍制御部を備えたことを特徴とするSCR解凍制御システム。
- 前記解凍制御部は、サプライモジュール内における圧力が一定値に達しないとき、外気温を検出し、検出した外気温が所定温度よりも低いときに、サプライモジュールポンプの作動を停止する請求項1に記載のSCR解凍制御システム。
- 前記解凍制御部は、サプライモジュールポンプの作動を停止すると共に尿素水の解凍を継続し、一定時間解凍を継続した際に再度サプライモジュール内における圧力を検出し、その圧力が一定値に達しないときに故障を警告する請求項1又は2に記載のSCR解凍制御システム。
- 前記解凍制御部は、サプライモジュール内の圧力が一定値に達しないことを規定回数検知したときに故障を警告する請求項3に記載のSCR解凍制御システム。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010119863A JP5671840B2 (ja) | 2010-05-17 | 2010-05-25 | Scr解凍制御システム |
US13/697,928 US8959890B2 (en) | 2010-05-17 | 2011-05-16 | SCR thawing control system |
PCT/JP2011/061205 WO2011145567A1 (ja) | 2010-05-17 | 2011-05-16 | Scr解凍制御システム |
CN201180024475.9A CN102947562B (zh) | 2010-05-17 | 2011-05-16 | 选择催化还原解冻控制系统 |
EP11783501.7A EP2573341B1 (en) | 2010-05-17 | 2011-05-16 | Scr thawing control system |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010113748 | 2010-05-17 | ||
JP2010113748 | 2010-05-17 | ||
JP2010119863A JP5671840B2 (ja) | 2010-05-17 | 2010-05-25 | Scr解凍制御システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012002062A true JP2012002062A (ja) | 2012-01-05 |
JP5671840B2 JP5671840B2 (ja) | 2015-02-18 |
Family
ID=44991670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010119863A Expired - Fee Related JP5671840B2 (ja) | 2010-05-17 | 2010-05-25 | Scr解凍制御システム |
Country Status (5)
Country | Link |
---|---|
US (1) | US8959890B2 (ja) |
EP (1) | EP2573341B1 (ja) |
JP (1) | JP5671840B2 (ja) |
CN (1) | CN102947562B (ja) |
WO (1) | WO2011145567A1 (ja) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013147982A (ja) * | 2012-01-18 | 2013-08-01 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
WO2014024307A1 (ja) | 2012-08-10 | 2014-02-13 | トヨタ自動車 株式会社 | 内燃機関の添加剤供給装置 |
WO2014027394A1 (ja) | 2012-08-13 | 2014-02-20 | トヨタ自動車 株式会社 | 内燃機関の添加剤供給装置 |
JP2014129765A (ja) * | 2012-12-28 | 2014-07-10 | Isuzu Motors Ltd | 尿素scr用尿素水消費量診断装置 |
JP2014145276A (ja) * | 2013-01-28 | 2014-08-14 | Isuzu Motors Ltd | 尿素scr用尿素水配管閉塞検出装置 |
KR101619918B1 (ko) | 2015-08-20 | 2016-05-11 | 한일튜브 주식회사 | 히팅튜브용 유체의 해동 성능 검사장치 및 이를 이용한 유체의 해동 성능 검사방법 |
JP2017129094A (ja) * | 2016-01-22 | 2017-07-27 | 株式会社デンソー | 異常判定装置 |
JP2020026782A (ja) * | 2018-08-14 | 2020-02-20 | 日立建機株式会社 | 建設機械 |
CN114607494A (zh) * | 2022-03-04 | 2022-06-10 | 潍柴动力股份有限公司 | 一种监测尿素箱加热电磁阀故障的方法及装置 |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5915747B2 (ja) * | 2012-07-19 | 2016-05-11 | トヨタ自動車株式会社 | 内燃機関の添加剤供給装置 |
CN102808680A (zh) * | 2012-07-27 | 2012-12-05 | 潍柴动力股份有限公司 | 一种scr系统低温解冻的控制方法 |
US9458746B2 (en) * | 2013-03-01 | 2016-10-04 | Cummins Emission Solutions Inc. | Systems and techniques for heating urea injection systems |
US9016043B2 (en) * | 2013-03-14 | 2015-04-28 | Tenneco Automotive Operating Company Inc. | Exhaust treatment system with urea temperature rationality diagnostic |
US20140325965A1 (en) * | 2013-05-03 | 2014-11-06 | Deere & Company | Diesel exhaust fluid control system |
DE102013226796B4 (de) * | 2013-12-20 | 2018-04-05 | Continental Automotive Gmbh | Verfahren zum Überprüfen eines Temperatursensors in einem SCR-Abgasnachbehandlungssystem |
US9188043B1 (en) | 2014-04-24 | 2015-11-17 | Fca Us Llc | Techniques for thawing a reductant injector and reductant tank prior to an injection attempt |
JP6365099B2 (ja) * | 2014-08-08 | 2018-08-01 | いすゞ自動車株式会社 | 尿素水の温度管理システム及び尿素水の温度管理方法 |
CN104965021B (zh) * | 2015-07-24 | 2018-05-04 | 中国科学院重庆绿色智能技术研究院 | 一种燃煤烟气脱硝催化剂性能评价装置及方法 |
US9664083B2 (en) * | 2015-08-14 | 2017-05-30 | Cummins Emission Solutions Inc. | Virtual reductant level sensor |
GB2528601A (en) * | 2015-10-16 | 2016-01-27 | Gm Global Tech Operations Inc | A method of managing a selective catalytic reduction system of a motor vehicle |
EP3165736A1 (en) * | 2015-11-03 | 2017-05-10 | Plastic Omnium Advanced Innovation and Research | Method for monitoring urea quality of an scr system |
JP6729291B2 (ja) * | 2016-10-25 | 2020-07-22 | いすゞ自動車株式会社 | 尿素水供給システム及びその制御方法 |
JP6693408B2 (ja) * | 2016-12-22 | 2020-05-13 | 株式会社デンソー | 尿素水撹拌制御装置 |
CN108518265B (zh) * | 2018-03-29 | 2020-07-28 | 潍柴动力股份有限公司 | 判断尿素加热电磁阀机械失效的系统及方法和汽车 |
DE102018216239A1 (de) * | 2018-09-24 | 2020-03-26 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zum Überwachen des Aggregatzustands einer gefriergefährdeten Flüssigkeit in einem Kraftfahrzeug |
CN110284948B (zh) * | 2019-06-29 | 2020-11-20 | 潍柴动力股份有限公司 | 一种scr系统的控制方法 |
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JP2008248710A (ja) * | 2007-03-29 | 2008-10-16 | Nissan Diesel Motor Co Ltd | 還元剤添加システムの解凍判定装置及びエンジンの排気浄化装置 |
JP2009185685A (ja) * | 2008-02-06 | 2009-08-20 | Denso Corp | 還元剤ポンプの異常検出装置及び還元剤吐出システム |
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JP2000303826A (ja) | 1999-04-16 | 2000-10-31 | Isuzu Motors Ltd | ディーゼルエンジンの排ガス浄化装置 |
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JP5041168B2 (ja) * | 2008-09-01 | 2012-10-03 | 三菱自動車工業株式会社 | 排気浄化装置 |
JP4737463B2 (ja) * | 2008-09-01 | 2011-08-03 | 三菱自動車工業株式会社 | 排気浄化装置 |
US8234854B2 (en) * | 2008-10-22 | 2012-08-07 | Caterpillar Inc. | System and method for heating a reducing agent associated with a reducing agent distribution system |
DE102008043405B4 (de) * | 2008-11-03 | 2022-02-24 | Robert Bosch Gmbh | Verfahren zur Prüfung der Funktionsfähigkeit einer Pumpe |
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2010
- 2010-05-25 JP JP2010119863A patent/JP5671840B2/ja not_active Expired - Fee Related
-
2011
- 2011-05-16 US US13/697,928 patent/US8959890B2/en active Active
- 2011-05-16 WO PCT/JP2011/061205 patent/WO2011145567A1/ja active Application Filing
- 2011-05-16 CN CN201180024475.9A patent/CN102947562B/zh active Active
- 2011-05-16 EP EP11783501.7A patent/EP2573341B1/en active Active
Patent Citations (2)
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JP2008248710A (ja) * | 2007-03-29 | 2008-10-16 | Nissan Diesel Motor Co Ltd | 還元剤添加システムの解凍判定装置及びエンジンの排気浄化装置 |
JP2009185685A (ja) * | 2008-02-06 | 2009-08-20 | Denso Corp | 還元剤ポンプの異常検出装置及び還元剤吐出システム |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013147982A (ja) * | 2012-01-18 | 2013-08-01 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
WO2014024307A1 (ja) | 2012-08-10 | 2014-02-13 | トヨタ自動車 株式会社 | 内燃機関の添加剤供給装置 |
JP5871072B2 (ja) * | 2012-08-10 | 2016-03-01 | トヨタ自動車株式会社 | 内燃機関の添加剤供給装置 |
WO2014027394A1 (ja) | 2012-08-13 | 2014-02-20 | トヨタ自動車 株式会社 | 内燃機関の添加剤供給装置 |
JP5871074B2 (ja) * | 2012-08-13 | 2016-03-01 | トヨタ自動車株式会社 | 内燃機関の添加剤供給装置 |
JP2014129765A (ja) * | 2012-12-28 | 2014-07-10 | Isuzu Motors Ltd | 尿素scr用尿素水消費量診断装置 |
JP2014145276A (ja) * | 2013-01-28 | 2014-08-14 | Isuzu Motors Ltd | 尿素scr用尿素水配管閉塞検出装置 |
KR101619918B1 (ko) | 2015-08-20 | 2016-05-11 | 한일튜브 주식회사 | 히팅튜브용 유체의 해동 성능 검사장치 및 이를 이용한 유체의 해동 성능 검사방법 |
JP2017129094A (ja) * | 2016-01-22 | 2017-07-27 | 株式会社デンソー | 異常判定装置 |
JP2020026782A (ja) * | 2018-08-14 | 2020-02-20 | 日立建機株式会社 | 建設機械 |
CN114607494A (zh) * | 2022-03-04 | 2022-06-10 | 潍柴动力股份有限公司 | 一种监测尿素箱加热电磁阀故障的方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
WO2011145567A1 (ja) | 2011-11-24 |
JP5671840B2 (ja) | 2015-02-18 |
CN102947562B (zh) | 2015-03-25 |
CN102947562A (zh) | 2013-02-27 |
US20130061574A1 (en) | 2013-03-14 |
US8959890B2 (en) | 2015-02-24 |
EP2573341A4 (en) | 2015-02-25 |
EP2573341B1 (en) | 2017-07-05 |
EP2573341A1 (en) | 2013-03-27 |
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