JP6161057B2 - 排気ガス浄化装置 - Google Patents
排気ガス浄化装置 Download PDFInfo
- Publication number
- JP6161057B2 JP6161057B2 JP2013023025A JP2013023025A JP6161057B2 JP 6161057 B2 JP6161057 B2 JP 6161057B2 JP 2013023025 A JP2013023025 A JP 2013023025A JP 2013023025 A JP2013023025 A JP 2013023025A JP 6161057 B2 JP6161057 B2 JP 6161057B2
- Authority
- JP
- Japan
- Prior art keywords
- case
- exhaust gas
- pipe
- urea
- bellows
- 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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- 238000000746 purification Methods 0.000 title claims description 14
- 239000007789 gas Substances 0.000 claims description 150
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 48
- 239000004202 carbamide Substances 0.000 claims description 48
- WTHDKMILWLGDKL-UHFFFAOYSA-N urea;hydrate Chemical compound O.NC(N)=O WTHDKMILWLGDKL-UHFFFAOYSA-N 0.000 claims description 44
- 238000002156 mixing Methods 0.000 claims description 42
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 35
- 238000002347 injection Methods 0.000 claims description 23
- 239000007924 injection Substances 0.000 claims description 23
- 239000013618 particulate matter Substances 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- 238000001816 cooling Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 particulates) Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Landscapes
- Exhaust Silencers (AREA)
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Description
28 第1ケース
29 第2ケース
35 DPF出口管(排気ガス出口管)
36 SCR入口管(排気ガス入口管)
71 ガス排出管(排気接続管)
72 尿素混合管
74 蛇腹状連結管
76 尿素水噴射ノズル
Claims (1)
- エンジンの排気ガス中の粒子状物質を除去する第1ケースと、前記エンジンの排気ガス中の窒素酸化物質を除去する第2ケースと、第2ケースの排気ガス入口に前記第1ケースの排気ガス出口を接続する尿素混合管を備え、前記第1ケースと第2ケースを平行に配置すると共に、前記尿素混合管内に尿素水を噴射させる排気ガス浄化装置において、
前記第1ケースと、前記第2ケースと、前記尿素混合管とを、排気ガス移動方向に平行に配置する構造であって、前記第1ケースの排気ガス出口側の端面に排気ガス出口管を設け、第2ケースの排気ガス入口側の側面に排気ガス入口管を設けると共に、前記尿素混合管に蛇腹状連結管を介して排気ガス出口管を接続させ、前記尿素混合管と蛇腹状連結管の間に尿素水噴射ノズルを配置し、
前記エンジンの排気ガスを取入れるための排気接続管を、前記第1ケースの排気ガス入口側の側面に接続させると共に、前記第1ケースの排気ガス出口側に前記第2ケースを偏位させて、前記第1ケースの排気ガス出口側の端面よりも、前記第2ケースの排気ガス出口側の端面を突設させ、前記第2ケースの排気ガス出口側の外側方に前記蛇腹状連結管が配置されたことを特徴とする排気ガス浄化装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013023025A JP6161057B2 (ja) | 2013-02-08 | 2013-02-08 | 排気ガス浄化装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013023025A JP6161057B2 (ja) | 2013-02-08 | 2013-02-08 | 排気ガス浄化装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014152705A JP2014152705A (ja) | 2014-08-25 |
JP6161057B2 true JP6161057B2 (ja) | 2017-07-12 |
Family
ID=51574804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013023025A Active JP6161057B2 (ja) | 2013-02-08 | 2013-02-08 | 排気ガス浄化装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6161057B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102481560B1 (ko) * | 2015-03-04 | 2022-12-26 | 얀마 파워 테크놀로지 가부시키가이샤 | 콤바인 |
JP2017218916A (ja) | 2016-06-03 | 2017-12-14 | 日野自動車株式会社 | ミキシング構造 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009024642A (ja) * | 2007-07-20 | 2009-02-05 | Toyota Motor Corp | 内燃機関の排気浄化システム |
JP4286888B2 (ja) * | 2007-09-28 | 2009-07-01 | 日産ディーゼル工業株式会社 | 排気浄化装置 |
WO2011152306A1 (ja) * | 2010-05-31 | 2011-12-08 | 株式会社小松製作所 | 作業車両 |
JP5490739B2 (ja) * | 2011-02-25 | 2014-05-14 | 日立建機株式会社 | 建設機械 |
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2013
- 2013-02-08 JP JP2013023025A patent/JP6161057B2/ja active Active
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Publication number | Publication date |
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JP2014152705A (ja) | 2014-08-25 |
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