JP6927261B2 - エンジンの触媒反応システム - Google Patents
エンジンの触媒反応システム Download PDFInfo
- Publication number
- JP6927261B2 JP6927261B2 JP2019179747A JP2019179747A JP6927261B2 JP 6927261 B2 JP6927261 B2 JP 6927261B2 JP 2019179747 A JP2019179747 A JP 2019179747A JP 2019179747 A JP2019179747 A JP 2019179747A JP 6927261 B2 JP6927261 B2 JP 6927261B2
- Authority
- JP
- Japan
- Prior art keywords
- injection
- spray
- particle size
- catalyst
- control unit
- 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.)
- Expired - Fee Related
Links
- 238000006555 catalytic reaction Methods 0.000 title claims description 28
- 238000002347 injection Methods 0.000 claims description 259
- 239000007924 injection Substances 0.000 claims description 259
- 239000007921 spray Substances 0.000 claims description 146
- 239000002245 particle Substances 0.000 claims description 115
- 239000003054 catalyst Substances 0.000 claims description 92
- 239000003638 chemical reducing agent Substances 0.000 claims description 34
- 239000000446 fuel Substances 0.000 claims description 31
- 238000009834 vaporization Methods 0.000 claims description 22
- 230000008016 vaporization Effects 0.000 claims description 22
- 238000000889 atomisation Methods 0.000 claims description 21
- 238000003756 stirring Methods 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 14
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 3
- 239000002243 precursor Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 31
- 230000008569 process Effects 0.000 description 28
- 239000007789 gas Substances 0.000 description 13
- WTHDKMILWLGDKL-UHFFFAOYSA-N urea;hydrate Chemical compound O.NC(N)=O WTHDKMILWLGDKL-UHFFFAOYSA-N 0.000 description 12
- 238000002407 reforming Methods 0.000 description 9
- 238000012545 processing Methods 0.000 description 8
- 238000004364 calculation method Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 238000000746 purification Methods 0.000 description 6
- 238000012937 correction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000000265 homogenisation Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000006057 reforming reaction Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229960001730 nitrous oxide Drugs 0.000 description 1
- 235000013842 nitrous oxide Nutrition 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Landscapes
- Exhaust Gas After Treatment (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2019/049647 WO2020137750A1 (ja) | 2018-12-28 | 2019-12-18 | エンジンの触媒反応システム |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018247805 | 2018-12-28 | ||
| JP2018247805 | 2018-12-28 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2020109289A JP2020109289A (ja) | 2020-07-16 |
| JP2020109289A5 JP2020109289A5 (enrdf_load_stackoverflow) | 2021-01-14 |
| JP6927261B2 true JP6927261B2 (ja) | 2021-08-25 |
Family
ID=71569981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019179747A Expired - Fee Related JP6927261B2 (ja) | 2018-12-28 | 2019-09-30 | エンジンの触媒反応システム |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6927261B2 (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7661899B2 (ja) | 2022-01-14 | 2025-04-15 | 株式会社豊田自動織機 | 排気浄化システム |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3518391B2 (ja) * | 1999-02-24 | 2004-04-12 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
| JP2002038942A (ja) * | 2000-07-24 | 2002-02-06 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
| 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 |
| JP2012189048A (ja) * | 2011-03-14 | 2012-10-04 | Toyota Industries Corp | 排気ガス浄化装置 |
| JP2013133805A (ja) * | 2011-12-27 | 2013-07-08 | Toyota Motor Corp | 混合装置 |
| JP2016125472A (ja) * | 2015-01-08 | 2016-07-11 | フタバ産業株式会社 | 噴霧装置及び排気浄化装置 |
| JP6685728B2 (ja) * | 2016-01-06 | 2020-04-22 | 株式会社Ｓｏｋｅｎ | 内燃機関の排気浄化装置 |
-
2019
- 2019-09-30 JP JP2019179747A patent/JP6927261B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2020109289A (ja) | 2020-07-16 |
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