李卫军,吴文健,蔡文方,应光耀
LI Weijun,WU Wenjian,CAI Wenfang,YING Guangyao

• 1:国网浙江省电力公司电力科学研究院

摘要(Abstract)：

某发电厂2号机组采用轴向排气式汽轮机,在基建调试阶段出现了轴振及1号瓦振大等异常振动。通过试验及分析,主要原因是汽轮机排汽端轴瓦支撑刚度低、转子动不平衡,提出了加固轴瓦支撑和轴系动平衡相结合的处理方法,彻底解决了该振动问题。
Axial exhaust steam turbine is applied in No.2 generating units in a power plant. Abnormal vibration of shafting and No.1 bearing happened during capital construction and commissioning. It is analyzed through test that the reasons are lower stiffness of bearing at steam exhaust end and rotor unbalance. The paper suggests reinforcing bearing support and dynamic shafting balance to thoroughly eliminate the vibration.

关键词(KeyWords)： 轴向排气;汽轮机;瓦振;支撑刚度;动平衡
axial steam exhaust;steam turbine;bearing vibration;support stiffness;dynamic balance

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 李卫军,吴文健,蔡文方,应光耀
LI Weijun,WU Wenjian,CAI Wenfang,YING Guangyao

DOI: 10.19585/j.zjdl.2015.11.003

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