300MW机组汽封改造后的振动控制  

Control of vibration of 300 MW unit with reformed steam seal

作　　者：邱玮坤 

机构地区：[1]江苏淮阴发电有限公司,江苏淮安223001

出　　处：《华电技术》2015年第5期32-34,共3页HUADIAN TECHNOLOGY

摘　　要：江苏淮阴发电有限公司#4汽轮机汽封改造后,为保证汽封改造效果,分析了汽封间隙对振动的影响,提出了机组升速及运行中的振动控制措施,可供同类型机组参考。The steam seal of the steam turbine of unit No. 4 in Jiangsu Huaiyin Power Generation Company Limited was reformed. In order to ensure the steam seal reformation effect,the influence of the steam seal clearance on the system vibration was analyzed. The vibration control measures during unit acceleration and operation were proposed,which can be used as reference for similar units.

关 键 词：发电厂 汽轮机 汽封改造 间隙 振动 

分 类 号：TK263.2[动力工程及工程热物理—动力机械及工程]