| 摘要 |
A steam cooled gas turbine system in a combined power plant, constituted such that a tail pipe of a combustor is cooled with intermediate pressure steam from an exhaust heat recovery boiler, or outlet bleed steam from a high pressure turbine, and the cooling steam is recovered into an intermediate pressure turbine or an intermediate area of a reheater of the exhaust heat recovery boiler, whereby thermal efficiency is improved; and a cut in NOx is achieved.
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