POWER UNIT Russian patent published in 1994 - IPC

FIELD: power engineering. SUBSTANCE: power unit has air-boost compressor 2 whose delivery air line is connected to furnace 3 of high-pressure steam generator 20 with evaporating and steam reheat surface whose outlets are connected to steam turbine coupled with electric generator and condenser; it also has feedwater pump; gas outlet from high-pressure steam generator communicates with turboexpander 38. Power unit is also provided with additional steam power circuit incorporating additional steam turbine 25 with air-boost condenser 27. High-pressure steam generator has additional low- and high-pressure heating surfaces and external cyclone combustion chamber 3 of solid fuel. Chamber 3 may be built integral with cyclone 13 used for cleaning furnace gases and with storage bin 10. Common casing has intermediate chamber 6 with heat-exchange surface 8 for fuel warming. EFFECT: improved design. 4 cl, 1 dwg