引风机轴向振动异常原因分析及对策  

Cause Analysis and Countermeasure of Axial Vibration Abnormity for Induced Draft Fan

作　　者：李俊超 LI Junchao(Guangzhou Development New Energy Incorporated,Guangzhou 510623,China)

机构地区：[1]广州发展新能源股份有限公司,广东广州510623

出　　处：《湖南电力》2021年第1期87-89,94,共4页Hunan Electric Power

摘　　要：对一起生物质电厂引风机轴向振动故障进行分析。根据风机运行调整试验情况、振动状态与特征分析、振动频谱分析及动力特性测试,找出了风机振动异常的根本原因,采取有效的处理措施,保证风机安全运行,且针对性地制定停机检修方案,彻底解决风机轴向振动故障。This paper analyzes an axial vibration induced maLfunction on a draught fan of a biomass power plant.The root causes of the abnormal vibrations on the fan are identified in accordance with the fan operation adjustment test results,the vibration state and characteristics analysis,vibration spectrum analysis and dynamic property tests.Based on the deduced causes,effective countermeasures are implemented to ensure the safe operation of the fan.Furthermore,a targeted shut-down maintenance scheme is formulated to solve the fan axial vibration malfunction completely.

关 键 词：引风机 轴承座 轴向振动 振动分析仪 振动频谱 动力特性测试 动刚度 

分 类 号：TK223.26[动力工程及工程热物理—动力机械及工程]