JP2012197695A5 - - Google Patents

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Publication number: JP2012197695A5
Authority: JP; Japan
Prior art keywords: urea water; gas; exhaust gas; supply nozzle; exhaust
Prior art date: 2011-03-18
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.): Granted

Application number

JP2011061154A

Other languages

English (en)

Japanese (ja)

Other versions

JP5711578B2 (ja

JP2012197695A (ja

Filing date

2011-03-18

Publication date

2014-04-24

2011-03-18 Application filed filed Critical

2011-03-18 Priority claimed from JP2011061154A external-priority patent/JP5711578B2/ja

2011-03-18 Priority to JP2011061154A priority Critical patent/JP5711578B2/ja

2012-03-14 Priority to CN201280005447.7A priority patent/CN103348104B/zh

2012-03-14 Priority to PCT/JP2012/056543 priority patent/WO2012128145A1/ja

2012-03-14 Priority to US14/005,096 priority patent/US8875499B2/en

2012-03-14 Priority to EP12760036.9A priority patent/EP2687695B1/de

2012-10-18 Publication of JP2012197695A publication Critical patent/JP2012197695A/ja

2014-04-24 Publication of JP2012197695A5 publication Critical patent/JP2012197695A5/ja

2015-05-07 Publication of JP5711578B2 publication Critical patent/JP5711578B2/ja

2015-05-07 Application granted granted Critical

Status Expired - Fee Related legal-status Critical Current

2031-03-18 Anticipated expiration legal-status Critical

Links

WTHDKMILWLGDKL-UHFFFAOYSA-N urea;hydrate Chemical compound O.NC(N)=O WTHDKMILWLGDKL-UHFFFAOYSA-N 0.000 claims description 46
239000003054 catalyst Substances 0.000 claims description 32
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 24
238000011144 upstream manufacturing Methods 0.000 claims description 11
238000000746 purification Methods 0.000 claims description 8
238000001514 detection method Methods 0.000 claims description 3
210000002700 urine Anatomy 0.000 claims description 2
239000003795 chemical substances by application Substances 0.000 claims 1
239000012159 carrier gas Substances 0.000 description 31
239000007789 gas Substances 0.000 description 27
238000010438 heat treatment Methods 0.000 description 13
238000006722 reduction reaction Methods 0.000 description 8
238000002347 injection Methods 0.000 description 7
239000007924 injection Substances 0.000 description 7
239000006185 dispersion Substances 0.000 description 4
238000010531 catalytic reduction reaction Methods 0.000 description 3
230000000052 comparative effect Effects 0.000 description 3
238000002407 reforming Methods 0.000 description 3
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
239000011248 coating agent Substances 0.000 description 2
238000000576 coating method Methods 0.000 description 2
229910052802 copper Inorganic materials 0.000 description 2
239000010949 copper Substances 0.000 description 2
230000002093 peripheral effect Effects 0.000 description 2
239000002002 slurry Substances 0.000 description 2
229910021536 Zeolite Inorganic materials 0.000 description 1
239000003638 chemical reducing agent Substances 0.000 description 1
HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
238000005485 electric heating Methods 0.000 description 1
238000005342 ion exchange Methods 0.000 description 1
239000000843 powder Substances 0.000 description 1
239000010457 zeolite Substances 0.000 description 1

Images

JP2011061154A 2011-03-18 2011-03-18 尿素水改質器及びこれを用いた排ガス浄化装置 Expired - Fee Related JP5711578B2 (ja)

Priority Applications (5)

Application Number	Priority Date	Filing Date	Title
JP2011061154A JP5711578B2 (ja)	2011-03-18	2011-03-18	尿素水改質器及びこれを用いた排ガス浄化装置
EP12760036.9A EP2687695B1 (de)	2011-03-18	2012-03-14	Harnstofflösungsreformer und abgasreiniger
PCT/JP2012/056543 WO2012128145A1 (ja)	2011-03-18	2012-03-14	尿素水改質器及びこれを用いた排ガス浄化装置
US14/005,096 US8875499B2 (en)	2011-03-18	2012-03-14	Urea solution reformer and exhaust gas purifier using same
CN201280005447.7A CN103348104B (zh)	2011-03-18	2012-03-14	尿素水重整器及使用了尿素水重整器的废气净化装置

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP2011061154A JP5711578B2 (ja)	2011-03-18	2011-03-18	尿素水改質器及びこれを用いた排ガス浄化装置

Publications (3)

Publication Number	Publication Date
JP2012197695A JP2012197695A (ja)	2012-10-18
JP2012197695A5 true JP2012197695A5 (de)	2014-04-24
JP5711578B2 JP5711578B2 (ja)	2015-05-07

Family

ID=47180174

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP2011061154A Expired - Fee Related JP5711578B2 (ja)	2011-03-18	2011-03-18	尿素水改質器及びこれを用いた排ガス浄化装置

Country Status (1)

Country	Link
JP (1)	JP5711578B2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2014148506A1 (ja) *	2013-03-22	2014-09-25	日本碍子株式会社	還元剤噴射装置、排ガス処理装置及び排ガス処理方法
KR101560050B1 (ko) *	2013-10-14	2015-10-13	두산엔진주식회사	환원제 공급 시스템
JP6381124B2 (ja) *	2014-11-19	2018-08-29	株式会社タクマ	尿素加水分解装置
WO2020115966A1 (ja) *	2018-12-06	2020-06-11	日本碍子株式会社	還元剤噴射装置、排ガス処理装置及び排ガス処理方法
JP7345405B2 (ja) *	2019-05-30	2023-09-15	日本碍子株式会社	排ガス浄化装置用混合器、排ガス浄化装置及び排ガス浄化方法
JP7273868B2 (ja) *	2021-01-14	2023-05-15	ジョンソン、マッセイ、パブリック、リミテッド、カンパニー	ディーゼルエンジンのための排気システム

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ATE246535T1 (de) *	1998-05-11	2003-08-15	Siemens Ag	Verfahren und vorrichtung zur selektiven katalytischen reduktion von stickoxiden in einem sauerstoffhaltigen gasförmigen medium
JP2005344597A (ja) *	2004-06-02	2005-12-15	Hitachi Ltd	エンジン用排気ガス処理装置
JP4696039B2 (ja) *	2006-09-21	2011-06-08	日立オートモティブシステムズ株式会社	排気処理装置用の尿素水注入装置
EP2244798B1 (de) *	2008-02-29	2016-05-18	Continental Automotive GmbH	Verdampfungseinheit zur erzeugung gasförmigen ammoniaks
JP5340629B2 (ja) *	2008-04-23	2013-11-13	日野自動車株式会社	排気浄化装置
JP4558816B2 (ja) *	2008-06-05	2010-10-06	株式会社日本自動車部品総合研究所	内燃機関の排気浄化装置

2011
- 2011-03-18 JP JP2011061154A patent/JP5711578B2/ja not_active Expired - Fee Related

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