| 摘要 |
PROBLEM TO BE SOLVED: To prevent deterioration of combustion states even when flames have unevenness. SOLUTION: In this burner 1, fuel nozzles 4 and 5 to inject fuel are provided at a center part, and a plurality of air nozzles 8 to inject air are provided at a circumferential edge part of the burner. Fuel injected from the fuel nozzles, and combustion air injected from air injection ports 7 for combustion in the air nozzles 8 are mixed in a mixing range 10 downstream of the burner, so that combustion is conducted. The air injection ports 7 for injection in part of the air nozzles 8 are provided to be closer to the mixing range 10 than the air injection ports 7 for combustion in the other air nozzles 8. COPYRIGHT: (C)2005,JPO&NCIPI
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