Liquid fuel injector for burners in gas turbines

Abstract

The present invention relates to a liquid fuel injector (10) for burners in gas turbines, of the type used inside burners which are provided with a pre-mixing chamber (62) and an element (13) to create turbulence in the flow of compressed air obtained from the compressor of the gas turbine. The injector (10) comprises a body (11) which ends in a tip (12) and is provided with at least one duct (25) for passage of the fuel, and ducts (48, 58) for the inflow of compressed air from the compressor of the turbine, wherein the duct (25) for the fuel and the ducts (48, 58) for the compressed air end in respective outlet holes. The tip (12) of the injector (10) ends at the median part of the converging portion (61) of the pre-mixing chamber (62).

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