In order to effectively utilize the thermal energy from the heat network condensate drainage of the power unit during heat supply and reduce cooling energy loss of the power unit,an analysis was conducted on the heat network condensate drainage system and the condensate water system of Units 3 and 4 at Shengli Power Plant.The operational method of the equipment was optimized,and the heat network condensate recovery system was upgraded to ensure that all condensate drainage from the heat network was returned to deaerator of the power unit.The research led to a reduction in heat loss caused by condensate drainage being discharged into the condenser during heat supply,achieving energy saving and consumption reducing,which resulted in significant economic benefit.
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