JPH0454927U - - Google Patents
Info
- Publication number
- JPH0454927U JPH0454927U JP9805990U JP9805990U JPH0454927U JP H0454927 U JPH0454927 U JP H0454927U JP 9805990 U JP9805990 U JP 9805990U JP 9805990 U JP9805990 U JP 9805990U JP H0454927 U JPH0454927 U JP H0454927U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- exhaust gas
- bypass
- exhaust
- catalyst layer
- 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.)
- Pending
Links
- 239000003054 catalyst Substances 0.000 claims description 4
- 239000004215 Carbon black (E152) Substances 0.000 claims description 2
- 229930195733 hydrocarbon Natural products 0.000 claims description 2
- 150000002430 hydrocarbons Chemical class 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
Description
第１〜２図は本考案に係るもので第１図は実施
例の脱硝装置の説明図、第２図は脱硝率と触媒層
温度の関係図。
１……エンジン本体、２……給気マニホルド、
３……燃料タンク、５……燃料噴射ポンプ、８…
…排気マニホルド、９……排気過給機、１０……
排気管、１１……触媒層、１２……不飽和低級炭
化水素供給装置、１４……温度センサ、１５……
排気バイパス弁、１６……バイパス管、１７……
排気バイパスコントローラ。
1 and 2 are related to the present invention; FIG. 1 is an explanatory diagram of the denitrification device of the embodiment, and FIG. 2 is a diagram showing the relationship between the denitrification rate and the catalyst layer temperature. 1...Engine body, 2...Air supply manifold,
3...Fuel tank, 5...Fuel injection pump, 8...
...Exhaust manifold, 9...Exhaust supercharger, 10...
Exhaust pipe, 11...Catalyst layer, 12...Unsaturated lower hydrocarbon supply device, 14...Temperature sensor, 15...
Exhaust bypass valve, 16... Bypass pipe, 17...
Exhaust bypass controller.
Claims (1)
カ系触媒層により排ガス中のＮＯＸを脱硝するも
のにおいて、触媒層の温度を検知する温度センサ
１４と、排気過給機より上流の高温高圧の排気ガ
スを下流の排気管内にバイバスするバイパス管１
６と、該バイパス管の入口に設けられたバイバス
弁１５と、上記温度センサの検知温度により排ガ
スのバイバス量を制御するコントローラ１７とを
有してなる排気過給機付内燃機関の脱硝装置。 In a device that denitrates NOX in exhaust gas using a metallosilica-based catalyst layer using unsaturated lower hydrocarbon as a reducing agent, a temperature sensor 14 that detects the temperature of the catalyst layer and a high-temperature, high-pressure exhaust gas upstream of the exhaust supercharger are installed. Bypass pipe 1 that bypasses into the downstream exhaust pipe
6, a bypass valve 15 provided at the inlet of the bypass pipe, and a controller 17 for controlling the bypass amount of exhaust gas based on the temperature detected by the temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9805990U JPH0454927U (en) | 1990-09-20 | 1990-09-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9805990U JPH0454927U (en) | 1990-09-20 | 1990-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0454927U true JPH0454927U (en) | 1992-05-12 |
Family
ID=31838941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9805990U Pending JPH0454927U (en) | 1990-09-20 | 1990-09-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0454927U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010185349A (en) * | 2009-02-12 | 2010-08-26 | Mitsubishi Heavy Ind Ltd | Exhaust gas denitration device and internal combustion engine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4854313A (en) * | 1971-11-12 | 1973-07-31 |
-
1990
- 1990-09-20 JP JP9805990U patent/JPH0454927U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4854313A (en) * | 1971-11-12 | 1973-07-31 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010185349A (en) * | 2009-02-12 | 2010-08-26 | Mitsubishi Heavy Ind Ltd | Exhaust gas denitration device and internal combustion engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1013904A3 (en) | Internal combustion engine having lean NOx catalyst | |
| JPH0454926U (en) | ||
| JPH0454927U (en) | ||
| JP2902166B2 (en) | Denitration equipment for internal combustion engine with exhaust supercharger | |
| JPH0427138U (en) | ||
| JPS6326748U (en) | ||
| JPS643032U (en) | ||
| JPS6121566Y2 (en) | ||
| JPH057469Y2 (en) | ||
| JPS6226537U (en) | ||
| JPS6210451Y2 (en) | ||
| JPH02115950U (en) | ||
| JPH0319420U (en) | ||
| JPS6436515U (en) | ||
| JPH0399855U (en) | ||
| JPH02127728U (en) | ||
| JPS6226518U (en) | ||
| JPH0440115U (en) | ||
| JPH0469660U (en) | ||
| JPH0447154U (en) | ||
| JPS5890313U (en) | Diesel engine exhaust system | |
| JPS62117219U (en) | ||
| JPS6174614U (en) | ||
| JPS62132255U (en) | ||
| JPH01130055U (en) |