FIELD: power engineering. SUBSTANCE: proposed method of heat recovery in contact-type steam-gas plant includes compression of air in multistage compressor, delivery of said air, steam and fuel for combustion into combustion chamber, delivery of steam-gas mixture, thus formed, into steam-gas turbine, cooling of mixture used in steam-gas turbine in waste heat recovery boiler, delivery of steam formed in boiler for injection into combustion chamber and steam-gas turbine. Steam-gas mixture. after waste heat recovery boiler, is directed into regenerator maintaining temperature of mixture at inlet within 125 and 140 C and pressure within 4.2 and 6.5 kg/sq.cm. Steam formed in regenerator is delivered into condensing steam turbine and air condenser connected with regenerator by condensate line. Multistage turboexpander is installed after regenerator in direction of flow of steam-gas medium. Multistage turboexpander is provided with drop mixture separators between its stages and at outlet connected by condensate line through deaerator with waste heat recovery boiler. EFFECT: prevention of water losses caused by entraining of water by exhaust gases using deep recovery of heat with simultaneously improving performance characteristics. 3 cl, 1 dwg
