JP2009013808A - 排気浄化装置 - Google Patents
排気浄化装置 Download PDFInfo
- Publication number
- JP2009013808A JP2009013808A JP2007174012A JP2007174012A JP2009013808A JP 2009013808 A JP2009013808 A JP 2009013808A JP 2007174012 A JP2007174012 A JP 2007174012A JP 2007174012 A JP2007174012 A JP 2007174012A JP 2009013808 A JP2009013808 A JP 2009013808A
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- dispersion plate
- oxidation catalyst
- fuel
- exhaust
- 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
Links
- 239000003054 catalyst Substances 0.000 claims abstract description 36
- 239000006185 dispersion Substances 0.000 claims abstract description 36
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 36
- 230000003647 oxidation Effects 0.000 claims abstract description 32
- 230000002093 peripheral effect Effects 0.000 claims abstract description 17
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 9
- 230000003584 silencer Effects 0.000 claims description 25
- 238000000746 purification Methods 0.000 claims description 8
- 238000002347 injection Methods 0.000 abstract description 11
- 239000007924 injection Substances 0.000 abstract description 11
- 239000000243 solution Substances 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 32
- 239000004071 soot Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 6
- 230000008929 regeneration Effects 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
Images
Landscapes
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Exhaust Silencers (AREA)
Abstract
【解決手段】フィルタケース8内の前段に酸化触媒9を配置すると共に後段にパティキュレートフィルタ6を配置し、酸化触媒9の上流側に分散板18を備える排気浄化装置であって、分散板18は、中央面25を無孔にすると共に周囲面27に複数の連通孔を形成する。
【選択図】図5
Description
6 パティキュレートフィルタ
8 フィルタケース
9 酸化触媒
11 フロントサイレンサ
12 リアサイレンサ
18 分散板
19 分散板
24 中央面
25 中央面
26 周囲面
27 周囲面
28 連通孔
29 連通孔
30 大径の孔
31 大径の孔
32 小径の孔
33 小径の孔
Claims (4)
- フィルタケース内の前段に酸化触媒を配置すると共に後段にパティキュレートフィルタを配置し、前記酸化触媒の上流側に分散板を備える排気浄化装置であって、前記分散板は、中央面を無孔にすると共に周囲面に複数の連通孔を形成したことを特徴とする排気浄化装置。
- 分散板の連通孔は、周方向に沿って所定の間隔で配置された大径の孔と、大径の孔の間に配置された小径の孔とを備えたことを特徴とする請求項1に記載の排気浄化装置。
- フィルタケースの上流側に配置されるフロントサイレンサに分散板を配置したことを特徴とする請求項1又は2に記載の排気浄化装置。
- フィルタケースの下流側に配置されるリアサイレンサに分散板を配置したことを特徴とする請求項1〜3のいずれかに記載の排気浄化装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007174012A JP5013994B2 (ja) | 2007-07-02 | 2007-07-02 | 排気浄化装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007174012A JP5013994B2 (ja) | 2007-07-02 | 2007-07-02 | 排気浄化装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009013808A true JP2009013808A (ja) | 2009-01-22 |
JP5013994B2 JP5013994B2 (ja) | 2012-08-29 |
Family
ID=40355015
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007174012A Expired - Fee Related JP5013994B2 (ja) | 2007-07-02 | 2007-07-02 | 排気浄化装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5013994B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20170024312A (ko) * | 2015-08-25 | 2017-03-07 | 현대중공업 주식회사 | Scr 반응기의 유동 균일화 장치 |
JP2021167589A (ja) * | 2020-04-10 | 2021-10-21 | フタバ産業株式会社 | 排気浄化装置 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001271628A (ja) * | 2000-03-29 | 2001-10-05 | Hoei Kogyo Kk | 内燃機関における触媒素子一体型消音装置 |
JP2003003835A (ja) * | 2001-06-25 | 2003-01-08 | Mitsui & Co Ltd | 排気ガスの浄化装置 |
JP2003106139A (ja) * | 2001-09-28 | 2003-04-09 | Hino Motors Ltd | 排気浄化装置 |
JP2003214136A (ja) * | 2002-01-25 | 2003-07-30 | Hino Motors Ltd | 排気浄化装置 |
JP2004263594A (ja) * | 2003-02-28 | 2004-09-24 | Calsonic Kansei Corp | ディーゼルパティキュレートフィルタ装置 |
JP2005163621A (ja) * | 2003-12-02 | 2005-06-23 | Calsonic Kansei Corp | 触媒コンバータ |
JP2007016706A (ja) * | 2005-07-08 | 2007-01-25 | Tokudaiji Jidosha Bunka Kenkyusho:Kk | 排気浄化装置及びpm連続再生システム |
JP2007315246A (ja) * | 2006-05-24 | 2007-12-06 | Calsonic Kansei Corp | 浄化機能と消音機能を備える触媒コンバータ |
-
2007
- 2007-07-02 JP JP2007174012A patent/JP5013994B2/ja not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001271628A (ja) * | 2000-03-29 | 2001-10-05 | Hoei Kogyo Kk | 内燃機関における触媒素子一体型消音装置 |
JP2003003835A (ja) * | 2001-06-25 | 2003-01-08 | Mitsui & Co Ltd | 排気ガスの浄化装置 |
JP2003106139A (ja) * | 2001-09-28 | 2003-04-09 | Hino Motors Ltd | 排気浄化装置 |
JP2003214136A (ja) * | 2002-01-25 | 2003-07-30 | Hino Motors Ltd | 排気浄化装置 |
JP2004263594A (ja) * | 2003-02-28 | 2004-09-24 | Calsonic Kansei Corp | ディーゼルパティキュレートフィルタ装置 |
JP2005163621A (ja) * | 2003-12-02 | 2005-06-23 | Calsonic Kansei Corp | 触媒コンバータ |
JP2007016706A (ja) * | 2005-07-08 | 2007-01-25 | Tokudaiji Jidosha Bunka Kenkyusho:Kk | 排気浄化装置及びpm連続再生システム |
JP2007315246A (ja) * | 2006-05-24 | 2007-12-06 | Calsonic Kansei Corp | 浄化機能と消音機能を備える触媒コンバータ |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20170024312A (ko) * | 2015-08-25 | 2017-03-07 | 현대중공업 주식회사 | Scr 반응기의 유동 균일화 장치 |
KR102228977B1 (ko) * | 2015-08-25 | 2021-03-17 | 현대중공업 주식회사 | Scr 반응기의 유동 균일화 장치 |
JP2021167589A (ja) * | 2020-04-10 | 2021-10-21 | フタバ産業株式会社 | 排気浄化装置 |
Also Published As
Publication number | Publication date |
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JP5013994B2 (ja) | 2012-08-29 |
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