FIELD: power engineering.
SUBSTANCE: heat exchange complex of a steam turbine plant comprises a system of main condenser cooling, which comprises the following components serially connected with a cooling pipeline: an ice box, a circulating pump, the main condenser and a drain box, and also a condensate system comprising the main condenser, a condensate pump, a low-pressure feedwater heater and a deaerator, serially connected with a condensate pipeline, besides, the main condenser cooling system is arranged as closed and is equipped with an off-board heat exchanger installed in the ice box. Also the main condenser cooling system comprises a closed circuit of secondary coolant, which is equipped with a low-pressure feedwater heater of the condensate system.
EFFECT: invention makes it possible to increase energy efficiency of a vessel.
4 cl, 1 dwg
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