JP6347474B2 - 排気浄化装置 - Google Patents
排気浄化装置 Download PDFInfo
- Publication number
- JP6347474B2 JP6347474B2 JP2013158673A JP2013158673A JP6347474B2 JP 6347474 B2 JP6347474 B2 JP 6347474B2 JP 2013158673 A JP2013158673 A JP 2013158673A JP 2013158673 A JP2013158673 A JP 2013158673A JP 6347474 B2 JP6347474 B2 JP 6347474B2
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- mixer
- flow
- rectifying
- straight
- 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.)
- Active
Links
- 238000000746 purification Methods 0.000 title claims description 12
- 239000003054 catalyst Substances 0.000 claims description 38
- 239000000654 additive Substances 0.000 claims description 13
- 230000000996 additive effect Effects 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 11
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 239000007789 gas Substances 0.000 description 47
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 30
- 229910021529 ammonia Inorganic materials 0.000 description 15
- 239000000470 constituent Substances 0.000 description 13
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 13
- 239000002131 composite material Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 9
- WTHDKMILWLGDKL-UHFFFAOYSA-N urea;hydrate Chemical compound O.NC(N)=O WTHDKMILWLGDKL-UHFFFAOYSA-N 0.000 description 9
- 239000013618 particulate matter Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 5
- 239000004202 carbamide Substances 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 238000006722 reduction reaction Methods 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Landscapes
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Description
5…撹拌手段(ミキサ)
6…触媒(SCR触媒)
14…直線状管部
15…湾曲管部(第2エルボ部)
16…チャンバ部(第2チャンバ部)
51…整流部
53…旋回部
Claims (1)
- 直線状管部(14)の下流側に、チャンバ部(16)の上流側が湾曲管部(15)を介して連通され、
該チャンバ部(16)内に、触媒(6)が配設される排気浄化装置(1)であって、
前記直線状管部(14)に撹拌手段(5)が配置され、
前記攪拌手段(5)の上流側には、添加物を噴射するインジェクタ(4)が配置され、
前記撹拌手段(5)は、
排気ガスの流れ方向に沿って配置された板状であり、排気ガスを整流する整流部(51)と、
前記整流部を通過した排気ガスを旋回流に変える旋回部(53)と、
前記整流部と一体で板状に形成され、前記整流部から前記直線状管部の内壁面(14a)に向かって延在して、当該内壁面に当接する支持部(52)と、
を有し、
前記旋回部と前記直線状管部の内壁面との間には、全周に亘って隙間(14c)が形成され、
排気ガスは、
前記旋回部による旋回流と、
前記隙間を通過して、前記直線状管部の内壁面に沿って前記旋回流の外周を直進的に通過する気流と、に分かれて前記直線状管部を通過することを特徴とする排気浄化装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013158673A JP6347474B2 (ja) | 2013-07-31 | 2013-07-31 | 排気浄化装置 |
CN201420354201.7U CN203978582U (zh) | 2013-07-31 | 2014-06-27 | 排气净化装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013158673A JP6347474B2 (ja) | 2013-07-31 | 2013-07-31 | 排気浄化装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015031156A JP2015031156A (ja) | 2015-02-16 |
JP6347474B2 true JP6347474B2 (ja) | 2018-06-27 |
Family
ID=52516705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013158673A Active JP6347474B2 (ja) | 2013-07-31 | 2013-07-31 | 排気浄化装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6347474B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7310676B2 (ja) * | 2020-03-27 | 2023-07-19 | いすゞ自動車株式会社 | ミキサー |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
JP2011099359A (ja) * | 2009-11-04 | 2011-05-19 | Mitsubishi Fuso Truck & Bus Corp | 排気浄化装置用フィン装置 |
JP2011106360A (ja) * | 2009-11-18 | 2011-06-02 | Mitsubishi Fuso Truck & Bus Corp | 内燃機関の尿素還元式scr装置 |
WO2011073717A1 (en) * | 2009-12-18 | 2011-06-23 | Renault Trucks | Mixing system for an exhaust gases after-treatment arrangement |
DE102012000591A1 (de) * | 2012-01-14 | 2013-07-18 | Daimler Ag | Motorblock-Anordnung mit einem Abgassystem |
-
2013
- 2013-07-31 JP JP2013158673A patent/JP6347474B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2015031156A (ja) | 2015-02-16 |
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