| 摘要 |
PROBLEM TO BE SOLVED: To provide a stably operable combustor efficiently performing a low NOx operation in a wide operation range. SOLUTION: In this combustor including a pilot nozzle 13 to which pilot fuel is supplied to form diffusion flame, and a main nozzle which is disposed along the pilot nozzle 13 and to which main fuel is supplied to form air-fuel pre-mixture ignited by the diffusion flame, the pilot nozzle 13 includes a pre-mixing injection section 20 for injecting sub-fuel to the direction separating from an outer peripheral face of the pilot nozzle 13, in a gas flow channel for combustion between the pilot nozzle 13 and the main nozzle. COPYRIGHT: (C)2010,JPO&INPIT
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