FIELD: gas-turbine plants.
SUBSTANCE: system comprises nozzle provided with internal axial space that is terminated by the outlet port for fuel-air mixture at one of its ends. The nozzle has first stage for supplying fuel provided with several first fuel supply openings that enter the internal space, are arranged around the axis of the nozzle, and are connected with the inlet fuel zone through fuel supply passages, and at least one passage for air supply that enters the internal axial space and is connected with the inlet air zone. The nozzle is additionally provided with at least second stage for fuel supply provided with several second fuel supply openings that enter the internal space, are arranged around the axis of the nozzle, and are connected with the inlet fuel zone of the nozzle through the fuel supply passages. The fuel supply passages are in part in coincidence with the fuel supply passages of the first stage.
EFFECT: enhanced quality of fuel-air mixture.
18 cl, 8 dwg
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