FIELD: heat power engineering.
SUBSTANCE: invention is designed for recovery of heat of blowdown water. Proposed thermal power station contains steam turbine connected by live steam pipeline with steam boiler to which blowdown and feed water pipe lines are connected, high-pressure regenerative heaters placed in feed water pipelines connected by heating medium to turbine steam extractions, and water-to-water heat exchanger connected to blowdown waster pipeline. Water-to-water heat exchanger is made two-stage. First stage of heat exchanger is connected to boiler blowdown water pipeline. Cooled blowdown water is connected to second stage of heat exchanger by heating medium after first stage of heat exchanger. First and second stages of heat exchanger are connected by heating medium to condensate lines of two regenerative high-pressure heaters in direction of feed water flow.
EFFECT: increased economy.
1 dwg
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