JP5555023B2 - 排気浄化装置 - Google Patents
排気浄化装置 Download PDFInfo
- Publication number
- JP5555023B2 JP5555023B2 JP2010064665A JP2010064665A JP5555023B2 JP 5555023 B2 JP5555023 B2 JP 5555023B2 JP 2010064665 A JP2010064665 A JP 2010064665A JP 2010064665 A JP2010064665 A JP 2010064665A JP 5555023 B2 JP5555023 B2 JP 5555023B2
- Authority
- JP
- Japan
- Prior art keywords
- urea water
- exhaust
- exhaust gas
- reduction catalyst
- flow path
- 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
-
- 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
- F01N13/16—Selection of particular materials
-
- 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
- F01N13/08—Other arrangements or adaptations of exhaust conduits
-
- 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
- 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
- F01N3/24—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 constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
-
- 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
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
-
- 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
- F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
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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
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)
- Processes For Solid Components From Exhaust (AREA)
- Exhaust Silencers (AREA)
Description
[化1]
(NH2)2CO+H2O→2NH3+CO2
また、本発明をより具体的に実施するにあたっては、排気流路における尿素水添加手段からの尿素水の付着の虞れがある範囲を、該範囲を除く排気流路の残部よりも尿素水の添加で生成される物質に対する耐食性の高い材質で構成した分割ピースにより部分的に構成し、該分割ピースの前後端を上流側及び下流側の排気流路に対し印篭継手形式で内側に差し込んで嵌め合わせると良い。
2 排気ガス
3 尿素水
4 尿素水添加装置(尿素水添加手段)
5 排気流路
5a 分割ピース
5e 分割パイプ
6 噴射口
7 パティキュレートフィルタ
Claims (1)
- 排気ガス中に含まれるNOxをアンモニアと反応せしめる選択還元型触媒と、該選択還元型触媒に排気ガスを導く排気流路と、該排気流路の途中に備えられてエアアシストなしで尿素水を加圧噴射するエアレスタイプの噴射方式を採用した尿素水添加手段と、前記選択還元型触媒の上流に前記排気流路を介して装備されて排気ガス中のパティキュレートを捕集するパティキュレートフィルタとを備え、前記尿素水添加手段を前記排気流路の側面に形成された噴射口から尿素水を噴射し得るように配置すると共に、前記排気流路における前記尿素水添加手段からの尿素水の付着の虞れがある範囲を、該範囲を除く排気流路の残部よりも尿素水の添加で生成される物質に対する耐食性の高い材質で構成した分割ピースにより部分的に構成し、該分割ピースの前後端を上流側及び下流側の排気流路に対し印篭継手形式で内側に差し込んで嵌め合わせたことを特徴とする排気浄化装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010064665A JP5555023B2 (ja) | 2010-03-19 | 2010-03-19 | 排気浄化装置 |
PCT/JP2011/001530 WO2011114721A1 (ja) | 2010-03-19 | 2011-03-16 | 排気浄化装置 |
US13/581,689 US9650938B2 (en) | 2010-03-19 | 2011-03-16 | Exhaust emission control device |
AU2011228545A AU2011228545B2 (en) | 2010-03-19 | 2011-03-16 | Exhaust emission control device |
CN201180014715.7A CN102791977B (zh) | 2010-03-19 | 2011-03-16 | 排气净化装置 |
EP11755912.0A EP2549069B1 (en) | 2010-03-19 | 2011-03-16 | Exhaust gas purification device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010064665A JP5555023B2 (ja) | 2010-03-19 | 2010-03-19 | 排気浄化装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011196264A JP2011196264A (ja) | 2011-10-06 |
JP5555023B2 true JP5555023B2 (ja) | 2014-07-23 |
Family
ID=44648833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010064665A Active JP5555023B2 (ja) | 2010-03-19 | 2010-03-19 | 排気浄化装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9650938B2 (ja) |
EP (1) | EP2549069B1 (ja) |
JP (1) | JP5555023B2 (ja) |
CN (1) | CN102791977B (ja) |
AU (1) | AU2011228545B2 (ja) |
WO (1) | WO2011114721A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5950631B2 (ja) * | 2012-03-09 | 2016-07-13 | 日野自動車株式会社 | 排気浄化装置 |
JP5536844B2 (ja) * | 2012-10-16 | 2014-07-02 | 株式会社小松製作所 | 排気処理ユニット |
JP2016130518A (ja) * | 2016-02-01 | 2016-07-21 | 住友建機株式会社 | ショベル |
JP7232631B2 (ja) * | 2018-10-03 | 2023-03-03 | 株式会社三五 | 排気浄化装置 |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4038054A1 (de) * | 1990-11-29 | 1992-06-04 | Man Technologie Gmbh | Verfahren und vorrichtung zur selektiven katalytischen no(pfeil abwaerts)x(pfeil abwaerts)-reduktion in sauerstoffhaltigen abgasen |
JPH11166410A (ja) * | 1997-12-04 | 1999-06-22 | Hino Motors Ltd | 排ガス浄化装置 |
JP2003010644A (ja) * | 2001-07-03 | 2003-01-14 | Meidensha Corp | 脱硝装置の尿素水気化器 |
DE102004004738A1 (de) * | 2004-01-30 | 2005-08-18 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Nachbehandlung eines Abgases einer Verbrennungsmaschine |
JP4214073B2 (ja) | 2004-03-26 | 2009-01-28 | 日野自動車株式会社 | 尿素水添加装置 |
DE102004020138B4 (de) * | 2004-04-24 | 2007-02-08 | Daimlerchrysler Ag | Reduktionsmittelzugabesystem |
JP2006144576A (ja) * | 2004-11-16 | 2006-06-08 | Denso Corp | 窒素酸化物浄化装置 |
DE102005002289B4 (de) * | 2005-01-17 | 2007-04-19 | J. Eberspächer GmbH & Co. KG | Abgasbehandlungssystem |
JP4698359B2 (ja) * | 2005-09-22 | 2011-06-08 | Udトラックス株式会社 | 排気浄化装置 |
JP4888171B2 (ja) | 2006-07-27 | 2012-02-29 | 株式会社デンソー | 排気浄化装置 |
JP4656039B2 (ja) * | 2006-10-19 | 2011-03-23 | 株式会社デンソー | エンジンの排気浄化装置 |
JP4785766B2 (ja) * | 2007-02-09 | 2011-10-05 | 日野自動車株式会社 | 排気浄化装置 |
DE102007022068A1 (de) * | 2007-05-08 | 2008-11-13 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Mantelrohr zum Einsatz in einem Abgassystem einer Verbrennungskraftmaschine, sowie Wabenkörper und Abgassystem umfassend mindestens ein Mantelrohr sowie ein Verfahren zur Herstellung eines Mantelrohres |
DE102008042678A1 (de) * | 2007-10-09 | 2009-05-07 | Denso Corp., Kariya-shi | Abgasreinigungsgerät mit verbessertem Aufbau zur Sicherstellung einer exakten Einspritzung von Reduktionsmittel |
JP2009097436A (ja) | 2007-10-17 | 2009-05-07 | Mitsubishi Fuso Truck & Bus Corp | 内燃機関の排気浄化装置 |
JP5513712B2 (ja) * | 2007-10-31 | 2014-06-04 | 日野自動車株式会社 | 排気処理装置 |
DE102007062662A1 (de) * | 2007-12-24 | 2009-06-25 | J. Eberspächer GmbH & Co. KG | Schiebesitz und Abgasbehandlungseinrichtung |
JP2009167965A (ja) * | 2008-01-18 | 2009-07-30 | Mitsubishi Motors Corp | 排気浄化装置 |
ATE550529T1 (de) * | 2008-03-28 | 2012-04-15 | Inergy Automotive Systems Res | Scr-system zur reinigung von abgasen in nox |
EP2105592B1 (en) * | 2008-03-28 | 2010-03-24 | Magneti Marelli S.p.A. | Mounting device for an injector in an exhaust system of an internal combustion engine |
US8201444B2 (en) * | 2008-08-19 | 2012-06-19 | GM Global Technology Operations LLC | Aftertreatment device NOx conversion efficiency diagnostics using on board adaptive diagnostic algorithm |
DE102008046222B4 (de) * | 2008-09-08 | 2024-06-06 | Purem GmbH | Abgasnachbehandlungseinrichtung |
US20100146948A1 (en) * | 2008-12-17 | 2010-06-17 | Caterpillar Inc. | Exhaust system promoting decomposition of reductants into gaseous products |
US8225602B2 (en) * | 2009-06-11 | 2012-07-24 | Stanadyne Corporation | Integrated pump and injector for exhaust after treatment |
US8621846B2 (en) * | 2010-03-02 | 2014-01-07 | GM Global Technology Operations LLC | Gas/liquid mixing device for diesel exhaust aftertreatment |
-
2010
- 2010-03-19 JP JP2010064665A patent/JP5555023B2/ja active Active
-
2011
- 2011-03-16 CN CN201180014715.7A patent/CN102791977B/zh not_active Expired - Fee Related
- 2011-03-16 WO PCT/JP2011/001530 patent/WO2011114721A1/ja active Application Filing
- 2011-03-16 US US13/581,689 patent/US9650938B2/en not_active Expired - Fee Related
- 2011-03-16 EP EP11755912.0A patent/EP2549069B1/en active Active
- 2011-03-16 AU AU2011228545A patent/AU2011228545B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
AU2011228545A1 (en) | 2012-09-20 |
WO2011114721A1 (ja) | 2011-09-22 |
EP2549069A4 (en) | 2017-05-17 |
CN102791977B (zh) | 2016-04-27 |
EP2549069B1 (en) | 2019-04-10 |
AU2011228545B2 (en) | 2014-06-19 |
US9650938B2 (en) | 2017-05-16 |
EP2549069A1 (en) | 2013-01-23 |
CN102791977A (zh) | 2012-11-21 |
US20120328479A1 (en) | 2012-12-27 |
JP2011196264A (ja) | 2011-10-06 |
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