FIELD: engines and pumps.
SUBSTANCE: liquid natural gas is fed from a cryogenic tank by a cryogenic pump through the evaporator to the combustion chamber for burning. Air is fed through the athmospheric air main via the evaporator and the air compressor into the combustion chamber. The exhaust gases from the combustion chamber are fed to the power turbine, performing useful work and rotating the shaft. The shaft is connected through a gearbox to the propeller shaft. Due to the exhaust gases heat in the heat exchanger-evaporator, the organic working fluid evaporates and enters the steam turbine, in which useful mechanical energy transmitted to the shaft is generated.
EFFECT: invention allows to increase energy efficiency, reduce the amount of harmful components in the exhaust gases of the ship gas turbine plant, as well as to simplify the installation and to reduce the weight and dimensions of the ship gas turbine plant.
1 dwg
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