FIELD: thermal engineering. SUBSTANCE: power plant has steam turbine with heating-steam bleedoffs, main heating- system heaters whose line carrying medium being heated is connected to heating-system pipeline and that conveying heating medium, to heating-steam bleedoffs, peak water boiler, heating-network makeup pipeline connected to heating- system line upstream of main heating-system heaters, feedwater path running to steam boilers incorporating full-flow condensate pipeline, feedwater pipeline, and high-pressure deaerator, as well as steam-boiler additional feedwater pipeline connected to feedwater path. Peak water boiler is connected to heating-system pipeline downstream of main heating-system heaters through water-cooled surface heat exchanger whose heating-medium line is connected to closed-loop pipes of water boiler; makeup water pipeline of the latter is connected to additional feedwater pipeline and to closed-loop lines upstream of circulating pump of this loop. EFFECT: improved reliability and economic efficiency of power plant. 1 dwg
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