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TURBINE À GAZ AVEC UN AGENCEMENT À COMBUSTION SÉQUENTIELLE ET CONTRÔLE DE COMPOSITION DE CARBURANT
TURBINE À GAZ AVEC UN AGENCEMENT À COMBUSTION SÉQUENTIELLE ET CONTRÔLE DE COMPOSITION DE CARBURANT
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摘要
The present disclosure refers to a method for operating a gas turbine (1) with a sequential combustor arrangement (4) comprising a first burner, a first combustion chamber, and a second combustor. According to the disclosed method a fuel gas (8) is separated into a rich fuel (32) having a concentration of higher hydrocarbons which is higher than the concentration of higher hydrocarbons of the fuel gas (8) supplied to the plant, and a lean fuel (33) having a concentration of higher hydrocarbons which is lower than the concentration of higher hydrocarbons of the fuel gas (8). A first fuel (12) and a second fuel (13) mixed from comprising at least one of the rich fuel (32), the lean fuel (33), and the fuel gas (8) are fed to different combustors of the gas turbine (1).
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