B-2 水素含有燃料焚きガスタービン用ドライ低NOx燃焼器の燃焼特性(ガス燃焼,一般講演)

概要

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An Oxygen-blown integrated coal gasification combined cycle (IGCC) plant with pre-combustion carbon dioxide capture and storage (CCS) is one of the most promising solutions for realizing zero emission coal power generation. In above plant, hydrogen-rich fuels with a wide variation of hydrogen contents are supplied to a gas turbine. To satisfy both lower emission and higher efficiency, a dry low NOx combustor for hydrogen-rich fuels is required in IGCC with CCS. A prototype combustor based on a multi-hole co-axial jet burner is tested under medium pressure (0.6MPa) to meet above requirement. From the test results, the following conclusions are obtained: (1) The tested combustor allows stable combustion through the variation of fuel simulating 0%, 30% and 50% CCS. (2) The convex shape perforated plate swirler is effective to suppress combustion oscillation, which allows NOx emissions to be less than 1Oppm through the variation of fuel simulating 0%, 30% and 50% CCS.
公益社団法人日本ガスタービン学会の論文
2010-10-20