FIELD: thermal engineering; designing new and updating existing steam- turbine installations. SUBSTANCE: cycle scheme of steam-turbine unit is set up of boiler coupled through steam line with turbine incorporating regenerative heaters and condenser and second boiler coupled through steam line with second turbine including regenerative system and delivery water boiler. Delivery-water line running to second-turbine boiler is connected through pipeline to first-turbine condenser and delivery-water outlet line running from second-turbine boiler is coupled through pipeline condensate supply line to first- turbine regenerative heaters. EFFECT: enlarged functional capabilities; provision for round-the-year continuous operation of existing equipment with high economic efficiency. 1 cl, 1 dwg
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