300MW汽轮机组轴瓦振动问题的探讨及处理  

Discussion and Treatment on Vibration of Rotor-Bearing of 300MW Steam Turbine Unit

作　　者：李江海[1] 陈乔伟 王俊启[1] 

机构地区：[1]三门峡华阳发电有限责任公司,河南三门峡472143

出　　处：《华中电力》2002年第1期45-47,共3页Central China Electric Power

摘　　要：介绍三门峡电厂2×300MW汽轮机4号瓦振动问题,分析认为:低压转子在额定转速下存在二阶不平衡,4号瓦轴承座刚度不足,运行中动静部分的碰磨是激起4号瓦振动超标的主要因素,经采取相应措施处理后4号瓦振动情况良好。In this paper the problem of No.4rotor-bearing vibration of2×300MW steam turbine in Sanmenxia Thermal Power Plant was introdnced.Analysis indicates that the LP rotor retained second-step unbalance at rated speed,the rigidity of No.4bearing block hasn't enough and the knock-attrition existed between the stator and the ro-tor during operation.After correspondent disposition the problem of No.4rotor-bearing's vibration was solved.

关 键 词：300MW汽轮机组 轴瓦振动 轴承箱 处理 

分 类 号：TM311[电气工程—电机]