FIELD: gas turbine plants. SUBSTANCE: burner device has fuel feed tube, fuel header and mixer. To reduce emission of nitric oxides and enhance reliability of operation, mixer is made in form of axial blade swirler consisting of bent blades mounted at varying alternating angular pitch forming wide inter-blade passages for supply of fuel-and-air mixture and narrow inter-blade passages for feeding the cooling air. Fuel header is tubular; header tubes are mounted before blade swirler along axis of wide inter-blade passages. EFFECT: enhanced reliability. 2 dwg
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Authors
Dates
1995-05-27—Published
1992-10-26—Filed