660MW机组防止汽轮机进水系统的改进  

System Improvement for Preventing Water-attack to 660 MW Steam Turbine Unit

作　　者：陈冀平[1] 李智强[2] 郑伟[2] 

机构地区：[1]河北省电力试验研究所,河北石家庄050021 [2]邯峰发电厂,河北邯郸056400

出　　处：《河北电力技术》2003年第4期12-15,共4页Hebei Electric Power

摘　　要：针对某电厂西门子660MW机组发生的机组停运后主蒸汽管道积水、甚至造成汽轮机进水的问题进行了认真地原因分析和研究,并依据ASME标准对外方的设计提出了更加安全可靠的改进方案,从而提高了机组的安全可靠性。In a power plant, water is found accumulated in main steam piping of the SIEMENS made 660 MW steam turbine after shutdown,it even leads to water running into the steam turbine.Aiming at this problem,a careful investigation and analysis is are performed. According to ASME standard, a safety and reliable improvement to the foreign design is proposed, which improves the safety and reliability of the unit.

关 键 词：汽轮机 主蒸汽管道 积水 改进 

分 类 号：TK263[动力工程及工程热物理—动力机械及工程]