660MW超超临界锅炉烟气余热利用装置经济性分析  

Economic Analysis of Utilization Device of Flue Gas Waste Heat in 660 MW Ultra-supercritical Boilers

作　　者：李敬良 LI Jingliang(Gujiao Xishan Power Generation Co.,Ltd.,Taiyuan,Shanxi 030206,China)

机构地区：[1]古交西山发电有限公司,山西太原030206

出　　处：《山西电力》2022年第1期61-63,共3页Shanxi Electric Power

摘　　要：基于热力学基本原理,运用等效焓降法对古交西山发电有限公司660 MW超超临界锅炉在100%和50%汽轮机热耗保证工况下烟气余热加热凝结水的经济性进行了定量分析,得出烟气余热利用的各项节能指标和综合收益,其中100%汽轮机热耗保证工况下节约标煤量可达1.85 g/(kW·h),综合收益达237.5万元,节能增效效果显著。Based on the basic principles of thermodynamics,the equivalent enthalpy drop method is used to carry out a quantitative analysis on the economy of condensate-heating by flue gas waste heat under 100%Turbine Heat-acceptance(THA)and 50%THA of 660 MW ultra-supercritical boilers in Gujiao Xishan Power Generation Co.,Ltd.,and various energy-saving indexes and comprehensive benefits of utilization of flue gas waste heat are obtained.The standard amount of coal-saving can reach 1.85 g/(kW·h)under 100%THA and the comprehensive incomes can reach 2.375 million yuan.The effect of energy-saving and efficiencyincreasing is significant.

关 键 词：烟气余热利用 等效焓降 热经济性分析 节能 超超临界锅炉 

分 类 号：TM621[电气工程—电力系统及自动化]