1000MW机组加热器端差能耗敏度分析  

A sensitivity analysis of energy consumption for the heater's terminal temperature difference of 1000MW steam turbine unit

作　　者：杨志平[1] 杨勇平[1] 

机构地区：[1]华北电力大学电站设备状态监测与控制教育部重点实验室,北京102206

出　　处：《华北电力大学学报（自然科学版）》2012年第6期71-75,共5页Journal of North China Electric Power University：Natural Science Edition

基　　金：国家科技支撑计划课题(2011BAA04B03);国家重点基础研究发展计划资助(2009CB219801)

摘　　要：以东汽1 000 MW汽轮机组为研究对象,采用汽轮机组定功率变工况计算方法,对汽轮机各回热加热器在THA、70%THA滑压、50%THA滑压、40%THA滑压工况进行敏度分析,可求得各种工况下回热加热器出口端差(TTD)和疏水端差(DTTD)对汽轮机热耗、发电煤耗和供电煤耗的影响,从而指导机组的节能诊断和经济运行。Based on the constant power variable condition calculation method, the energy-consumption sensitivity of the feed water heater＇ s TTD and DTTD was analyzed for 1 000 MW steam turbine at THA, 70 %THA sliding pres- sure, 50 %THA sliding pressure and 40 % THA sliding pressure conditions. The effect of the feed water heater＇ s TTD and DTTD on energy-consumption performance was derived including the unit heat rate, coal consumption rate and power coal consumption rate. The results can make great reference for the energy-saving diagnosis and operation optimi- zation of similar power units.

关 键 词：1 000 MW汽轮机 加热器端差 能耗敏度 耗差分析 

分 类 号：TK212[动力工程及工程热物理—动力机械及工程]