FIELD: gas-turbine plants for industrial thermal engineering to drive electric generators.
SUBSTANCE: proposed combined-cycle plant has water tank, steam generator, and gas-turbine engine incorporating compressor, combustion chamber with fuel injector, fuel feed bushing with channel passing water from tank, manifold joined by means of ejectors and used to feed steam to combustion-chamber flame cone, gas turbine with exhaust nozzle, and engine rotor. Steam generator is made in the form of annular vessel disposed on external walls of exhaust nozzle. Rotary fuel injector is secured on engine shaft. Fuel feed channels in fuel bushing are arranged so that water jet is conveyed into rotary injector space in direction of its rotation onto its butt-end surface.
EFFECT: enhanced efficiency of gas-turbine engine due to better quality of fuel-water mixture spraying within engine combustion chamber and improved completeness of fuel combustion.
1 c, 3 dwg
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