FIELD: mechanical engineering; gas turbine building.
SUBSTANCE: according to invention, in proposed steam gas power plant, part of steam, after expansion in steam turbine, with mass flow rate of 10-300% of value of mass flow rate of fuel in combustion chamber is directed to primary zone of said chamber, and remaining part is additionally overheated with use of heat energy of working medium expanded in free power turbine and is used for delivery into after burning chamber.
EFFECT: increased specific power and thermodynamic efficiency of method owing to increase of load of power turbine, enlarged range of stable operation of combustion chambers at reduction of harmful effluents into atmosphere.
1 dwg
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