JPH0612175Y2 - エンジン排ガスの脱硝装置 - Google Patents
エンジン排ガスの脱硝装置Info
- Publication number
- JPH0612175Y2 JPH0612175Y2 JP1990014096U JP1409690U JPH0612175Y2 JP H0612175 Y2 JPH0612175 Y2 JP H0612175Y2 JP 1990014096 U JP1990014096 U JP 1990014096U JP 1409690 U JP1409690 U JP 1409690U JP H0612175 Y2 JPH0612175 Y2 JP H0612175Y2
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- nox
- burnup
- flow rate
- engine
- 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 - Lifetime
Links
- 239000007789 gas Substances 0.000 claims description 87
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 37
- 230000007423 decrease Effects 0.000 claims description 20
- 238000012937 correction Methods 0.000 claims description 16
- 239000003638 chemical reducing agent Substances 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 44
- 229910021529 ammonia Inorganic materials 0.000 description 22
- 239000000446 fuel Substances 0.000 description 19
- 230000004905 short-term response Effects 0.000 description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 7
- 230000003584 silencer Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000032683 aging Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000004071 soot Substances 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002431 foraging effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- ODUCDPQEXGNKDN-UHFFFAOYSA-N Nitrogen oxide(NO) Natural products O=N ODUCDPQEXGNKDN-UHFFFAOYSA-N 0.000 description 1
- BIGPRXCJEDHCLP-UHFFFAOYSA-N ammonium bisulfate Chemical compound [NH4+].OS([O-])(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990014096U JPH0612175Y2 (ja) | 1990-02-15 | 1990-02-15 | エンジン排ガスの脱硝装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990014096U JPH0612175Y2 (ja) | 1990-02-15 | 1990-02-15 | エンジン排ガスの脱硝装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03106122U JPH03106122U (enrdf_load_stackoverflow) | 1991-11-01 |
| JPH0612175Y2 true JPH0612175Y2 (ja) | 1994-03-30 |
Family
ID=31517474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990014096U Expired - Lifetime JPH0612175Y2 (ja) | 1990-02-15 | 1990-02-15 | エンジン排ガスの脱硝装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0612175Y2 (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160014953A (ko) * | 2014-07-30 | 2016-02-12 | 두산엔진주식회사 | 선택적 촉매 환원 시스템 및 선택적 촉매 환원 방법 |
-
1990
- 1990-02-15 JP JP1990014096U patent/JPH0612175Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160014953A (ko) * | 2014-07-30 | 2016-02-12 | 두산엔진주식회사 | 선택적 촉매 환원 시스템 및 선택적 촉매 환원 방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03106122U (enrdf_load_stackoverflow) | 1991-11-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20040427 |
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| A131 | Notification of reasons for refusal |
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| A521 | Written amendment |
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| A02 | Decision of refusal |
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