FIELD: power engineering.
SUBSTANCE: invention relates to power engineering, in particular to closed cycle power plants. Heat recovery unit consists of steam generator 1, turbine with generator 2, condenser with condensate collector 3, condensate-nutrient pump 4, feed valve 5, throttle device 7, pipelines 9 and regulators: temperature 6, level 8 and pressure 7. Pulse from temperature controller 6 acts on position of valve 5, maintaining temperature behind steam generator in interval ts+(Δt), where t s is saturation temperature. If Δt>(Δt), the valve opens, if Δt<(Δt), the valve is closed and the working medium flow is reduced.
EFFECT: invention ensures compliance between the flow of supplied heat and heat consumption of the power heat recovery unit, and also ensures reliability of the plant.
1 cl, 1 dwg
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