GAS-TURBINE PLANT (VERSIONS) Russian patent published in 1998 - IPC

FIELD: thermal and chemical treatment of rooms and equipment with heat generated by plant in the form of hot gas. SUBSTANCE: gas-turbine plant includes turbine and compressor mounted on common shaft and combustion chamber which is brought in communication with compressor outlet by its inlet and with turbine inlet by its outlet. Combustion chamber is provided with fuel injector having air passage made in the form of diffuser at taper angle of 6-12 deg and fuel passage made in the form of cylindrical nozzle located coaxially in inlet portion of diffuser. Plant is also provided with fuel supply main equipped with reservoir which is brought in communication with compressor outlet or with atmosphere and is connected with injectors by means of starting cut-off valve fitted with spring-loaded sensitive element. Spring chamber of sensitive element is communicated with atmosphere and opposite portion is communicated with compressor outlet. Reservoir is brought in communication with external fuel supply source and is provided with float chamber whose float is engageable with shut-off member fitted on main feeding fuel from external source. Mains connecting the reservoir with compressor outlet and feeding fuel to reservoir are provided with check valves. EFFECT: enhanced efficiency. 5 cl, 3 dwg