JP2021099085A - 排ガス処理部の防熱構造 - Google Patents
排ガス処理部の防熱構造 Download PDFInfo
- Publication number
- JP2021099085A JP2021099085A JP2019232036A JP2019232036A JP2021099085A JP 2021099085 A JP2021099085 A JP 2021099085A JP 2019232036 A JP2019232036 A JP 2019232036A JP 2019232036 A JP2019232036 A JP 2019232036A JP 2021099085 A JP2021099085 A JP 2021099085A
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- JP
- Japan
- Prior art keywords
- exhaust gas
- gas treatment
- treatment unit
- outer shell
- heat
- 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.)
- Granted
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- 238000009413 insulation Methods 0.000 title claims abstract 8
- 230000002093 peripheral effect Effects 0.000 claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 83
- 239000002184 metal Substances 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 8
- 238000005192 partition Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
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- Exhaust Gas After Treatment (AREA)
Abstract
Description
Claims (5)
- 船舶のエンジンからの排ガスを処理する円筒状の排ガス処理部と、
前記排ガス処理部を覆う外殻部材と、を備え、
前記外殻部材の周壁部は、平面状に広がる平面部を有する、排ガス処理部の防熱構造。 - 前記平面部に防熱部材が取り付けられる、請求項1に記載の排ガス処理部の防熱構造。
- 前記外殻部材の内周面は、前記排ガス処理部の外周面から径方向に離間することで、当該排ガス処理部との間に内部空間を形成する、請求項1又は2に記載の排ガス処理部の防熱構造。
- 前記外殻部材は、外面側の表面積の半分以上を前記平面部が占める、請求項1〜3の何れか一項に記載の排ガス処理部の防熱構造。
- 前記内部空間に配置された加熱手段を更に備える、請求項3に記載の排ガス処理部の防熱構造。
Priority Applications (1)
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JP2019232036A JP7349899B2 (ja) | 2019-12-23 | 2019-12-23 | 排ガス処理部の防熱構造 |
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JP2019232036A JP7349899B2 (ja) | 2019-12-23 | 2019-12-23 | 排ガス処理部の防熱構造 |
Publications (2)
Publication Number | Publication Date |
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JP2021099085A true JP2021099085A (ja) | 2021-07-01 |
JP7349899B2 JP7349899B2 (ja) | 2023-09-25 |
Family
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JP2019232036A Active JP7349899B2 (ja) | 2019-12-23 | 2019-12-23 | 排ガス処理部の防熱構造 |
Country Status (1)
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JP (1) | JP7349899B2 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009085138A (ja) * | 2007-10-01 | 2009-04-23 | Honda Motor Co Ltd | 内燃機関の排ガス浄化装置 |
JP2013155727A (ja) * | 2012-01-27 | 2013-08-15 | Daihatsu Diesel Mfg Co Ltd | 排ガス浄化システムおよび排ガス浄化装置 |
WO2017163448A1 (ja) * | 2016-03-24 | 2017-09-28 | ヤンマー株式会社 | 触媒反応器及びこれを備えた船舶 |
JP2018076825A (ja) * | 2016-11-10 | 2018-05-17 | 株式会社 Acr | 排気ガス浄化装置 |
US20180328254A1 (en) * | 2015-11-18 | 2018-11-15 | Wärtsilä Finland Oy | Heat insulation structure |
-
2019
- 2019-12-23 JP JP2019232036A patent/JP7349899B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009085138A (ja) * | 2007-10-01 | 2009-04-23 | Honda Motor Co Ltd | 内燃機関の排ガス浄化装置 |
JP2013155727A (ja) * | 2012-01-27 | 2013-08-15 | Daihatsu Diesel Mfg Co Ltd | 排ガス浄化システムおよび排ガス浄化装置 |
US20180328254A1 (en) * | 2015-11-18 | 2018-11-15 | Wärtsilä Finland Oy | Heat insulation structure |
WO2017163448A1 (ja) * | 2016-03-24 | 2017-09-28 | ヤンマー株式会社 | 触媒反応器及びこれを備えた船舶 |
JP2018076825A (ja) * | 2016-11-10 | 2018-05-17 | 株式会社 Acr | 排気ガス浄化装置 |
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JP7349899B2 (ja) | 2023-09-25 |
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