大容量汽轮机中压转子冷却方式分析  

Analysis on Cooling Method of Medium-pressure Rotor for High-capacity Steam Turbines

作　　者：靖长财 任宏伟[2] 钟阁顺 

机构地区：[1]神华国华(北京)电力研究院有限公司,北京100069 [2]神华国华绥中发电有限责任公司,葫芦岛125222 [3]神华河北国华沧东发电有限责任公司,沧州061113

出　　处：《发电设备》2011年第2期98-101,108,共5页Power Equipment

摘　　要：介绍了10台不同制造厂家的汽轮机中压转子冷却控制方式,分析了不同的冷却控制方式对汽轮机运行安全性和经济性产生不同的影响。通过分析发现,在保证汽轮机安全的前提下,在检修和运行中控制冷却蒸汽流量和温度,可以提升汽轮机运行安全和经济性。An introduction and analysis is being presented to control methods for cooling of medium-pressure rotors of 10 steam turbines respectively produced by different manufacturers.Different cooling methods play different roles in influencing the safety and economy of turbine operation.Analysis results show that the turbine safety and economy may be improved by controlling the steam flow rate and temperature during maintenance and operation period,under the premise that turbine safety is guaranteed.

关 键 词：汽轮机 中压转子 冷却蒸汽 经济性 

分 类 号：TK267[动力工程及工程热物理—动力机械及工程]