真空系统严密性对汽轮机组运行的影响  

Effects of Vacuum System Tightness on Operation of Steam Turbine Unit

作　　者：谭泓 金春南 宋志刚 

机构地区：[1]哈尔滨第七三研究所,哈尔滨150036

出　　处：《汽轮机技术》2007年第3期214-216,219,共4页Turbine Technology

摘　　要：分析了汽轮机组的真空系统严密性直接影响到凝汽器压力、凝结水过冷度、含氧量的机理,以及对汽轮机组安全运行和经济性的影响,指出了真空系统严密性的重要性。同时还介绍了当今国内广泛采用的凝汽器热力除氧—凝结水聚集器的鼓泡除氧装置的结构、原理和相关数据。Principles for direct impacts of vacuum system tightness of steam turbine on condenser pressure, condensate supercooling and oxygen content as well as the influence on the safe operation and economic effect of steam turbine are analyzed, and the importance of tightness of vacuum system is pointed out. At the same time, the construction, working principles and related data for drum deaerator of condensate accumulator, the extensively adopted thermodynamic deaeration means for condenser in China, are presented.

关 键 词：汽轮机组 凝汽器 真空系统严密性 抽气装置 热力除氧 

分 类 号：TK264.11[动力工程及工程热物理—动力机械及工程]