FUEL SUPPLY SYSTEM OF GAS-TURBINE PLANT Russian patent published in 1998 - IPC

FIELD: gas- turbine plants burning natural gas. SUBSTANCE: system has combustion chamber communicating through gas ejector with gas line. Active nozzle of ejector is connected to high-pressure steam line. Ejector outlet is connected to condenser-aftercooler incorporating gas and water outlets; the latter communicates through water flow dispenser with combustion chamber. Fuel supply system is provided in addition with at least one more ejector and one more condenser-aftercooler installed in tandem upstream of main ejector. Active nozzle of additional ejector is connected to high- pressure steam line. Gas outlet of additional condenser-aftercooler is connected to inlet of ejector mounted downstream of it. EFFECT: reduced energy loss and cost. 2 cl, 1 dwg