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Sequential combustor gas turbine including a plurality of gaseous fuel injection nozzles and method for operating the same
Sequential combustor gas turbine including a plurality of gaseous fuel injection nozzles and method for operating the same
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机译:包括多个气体燃料喷嘴的顺序燃烧器燃气轮机及其操作方法
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摘要
A gas turbine (1) includes a compressor (2) that feeds an oxidizer to one or more combustion devices (3, 5) in which fuel is injected and is combusted to generate hot gases that are expanded in a turbine (4, 6). The flue gases discharged from the turbine (4, 6) are partially recirculated into the compressor (2). The fuel is a gaseous fuel that is injected into the combustion devices (3, 5) via two or more stages (20, 22, 23). One of the stages is a pilot stage (20) in which the fuel is injected along a longitudinal axis (21) of the combustion device (3, 5) or an axis parallel thereto.
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