JPS5697703A - Low nox combustion - Google Patents
Low nox combustionInfo
- Publication number
- JPS5697703A JPS5697703A JP15368079A JP15368079A JPS5697703A JP S5697703 A JPS5697703 A JP S5697703A JP 15368079 A JP15368079 A JP 15368079A JP 15368079 A JP15368079 A JP 15368079A JP S5697703 A JPS5697703 A JP S5697703A
- Authority
- JP
- Japan
- Prior art keywords
- combustion
- fed
- feed pipe
- gas
- regulation valve
- 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
- 238000002485 combustion reaction Methods 0.000 title abstract 8
- 239000007789 gas Substances 0.000 abstract 4
- 230000001105 regulatory effect Effects 0.000 abstract 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 239000000446 fuel Substances 0.000 abstract 1
- 239000011810 insulating material Substances 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C6/00—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion
- F23C6/04—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
PURPOSE:To accomplish combustion of low NOx by arranging a honeycomb structure in a reducing chamber provided between primary and secondary combustion chambers to promote the reduction of NOx in a combustor employing a double stage combustion. CONSTITUTION:In this combustor, a proper amount of CH4 is fed to a primary combustion chamber 11 through a fuel feed pipe 12 as regulated with a regulation valve 13 while a primary air is fed through a feed pipe 14 as regulated with a regulation valve 15 to a level less than the theoretical amount of air with respect to the amount of CH4. Under such a condition, an uncomplete combustion is performed in an atmosphere of insufficient oxygen in the combustion chamber 11. Then, after a proper amount of NO is injected into the gas combusted through an NO feed pipe 16 and a regulation valve 17, the gas is fed to a reducing chamber 18 having a honeycomb structure 20 surrounded by a heat insulating material 19. There, No under goes reduction. Then, the gas is combusted completely in a secondary combustion chamber 22 with a secondary air being fed through a feed pipe 23. The exhaust gas is discharged from an exhaust pipe 25.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15368079A JPS5697703A (en) | 1979-11-29 | 1979-11-29 | Low nox combustion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15368079A JPS5697703A (en) | 1979-11-29 | 1979-11-29 | Low nox combustion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5697703A true JPS5697703A (en) | 1981-08-06 |
Family
ID=15567806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15368079A Pending JPS5697703A (en) | 1979-11-29 | 1979-11-29 | Low nox combustion |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5697703A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06307607A (en) * | 1993-04-23 | 1994-11-01 | Kawasaki Heavy Ind Ltd | Method and device for denitrating combustion gas by soot |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51143568A (en) * | 1975-06-05 | 1976-12-09 | Asahi Glass Co Ltd | A process for removing nitrogen oxides from exhaust combustion gas and a reactor for it |
-
1979
- 1979-11-29 JP JP15368079A patent/JPS5697703A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51143568A (en) * | 1975-06-05 | 1976-12-09 | Asahi Glass Co Ltd | A process for removing nitrogen oxides from exhaust combustion gas and a reactor for it |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06307607A (en) * | 1993-04-23 | 1994-11-01 | Kawasaki Heavy Ind Ltd | Method and device for denitrating combustion gas by soot |
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