ハイブリッド触媒燃焼器の研究(第2報)

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Catalytic combustion provides low NOx emissions while maintaining high combustion efficiency. However, a barrier to the application of catalytic combustion is the durability of catalysts at high temperature. The hybrid catalytic combustion concept has advantages concerned with catalyst durability. This hybrid catalytic combustion concept comprises the following steps ; premix fuel and air for a catalyst-packed zone ; operate catalysts at rather low temperatures, to prolong catalyst durability ; add fresh fuel into the stream at the catalyst-packed zone outlet, where gas phase combustion occurs completely without a catalyst ; add dilution air into the stream at the gas phase combustion zone outlet with a by-pass valve. The object of this study is application of the hybrid catalytic combustion technology to a gas turbine combustor. This paper presents a model analysis and experimental results for a high-efficiency stationary gas turbine (turbine inlet temperature is about 1300℃). A model combustor system was evaluated in connection with mass and heat balances. The results indicated that the hybrid catalytic combustion technology is an acceptable method. A full-scale combustor (300mm diameter catalysts) was designed and tested. Demonstration testings for gas turbine applications were performed with LNG fuel. The experimental data indicated that hybrid catalytic combustion was potentially applicable technology to the gasturbine combustor.
社団法人日本ガスタービン学会の論文
1990-12-10

ハイブリッド触媒燃焼器の研究(第2報)

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