1000MW二次再热超超临界机组轴系振动异常分析及治理  

Diagnosis Treatment of Vibration Problem for 1000MW Double-reheat Ultra-supercritical Pressure Units

作　　者：陈宏伟 石磊 马晨阳 何新荣 CHEN Hong-wei;SHI Lei;MA Chen-yang(CHN Energy Taizhou Power Generation Co.,Ltd.;Guodian Science and Technology Research Institute)

机构地区：[1]国家能源集团泰州发电有限公司,江苏泰州225327 [2]国电科学技术研究院

出　　处：《电站系统工程》2021年第3期35-38,共4页Power System Engineering

摘　　要：介绍了上海电气集团生产的1000 MW二次再热超超临界机组的轴系结构特点,总结分析了该型机组出现的热态启动过程中轴系不稳定振动和9号轴承不稳定振动的故障特征和故障原因,并给出了具体的处理措施。振动故障分析方法、处理措施及实例分析对同类型机组的振动故障诊断处理、设计优化具有参考意义。The layout features of the unit shafting were introduced for 1000 MW double-reheat ultra-super critical pressure units.Vibration feature and causes of 1000 MW double-reheat ultra-super critical pressure units have been discussed,including unstable vibration of shafting after hot start and No.9 bearing unstable vibration.The vibration fault identification method,control measures and cases analysis can provide a reference for vibration diagnoses and treatments for the same type units.

关 键 词：1000 MW 二次再热超超临界机组 单支撑 动静摩擦 轴承静承载试验 

分 类 号：TK268.1[动力工程及工程热物理—动力机械及工程]