Vibration analysis of axial flow fan for large capacity unit

HE Xiaofeng

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Vibration analysis of axial flow fan for large capacity unit

更新时间：2025-09-28

- Vibration analysis of axial flow fan for large capacity unit
- Thermal Power Generation Issue 12, (2016)
- 作者机构：
  
  江苏方天电力技术有限公司,江苏,南京,211102
- 作者简介：
- 基金信息：
- DOI：
  CLC： TH432
- Published Online：27 December 2016，
  
  Published：2016
- 稿件说明：
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HE Xiaofeng. Vibration analysis of axial flow fan for large capacity unit[J]. Thermal power generation, 2016, (12).
DOI：

HE Xiaofeng. Vibration analysis of axial flow fan for large capacity unit[J]. Thermal power generation, 2016, (12). DOI：

摘要

本文总结了轴流风机结构特点及处理各种轴流风机异常振动故障的案例

汇总分析了轴流风机特有振动产生的原因:从动叶调节结构方面分析，主要有单级叶轮叶片开度不同步、两级叶轮叶片开度不同步以及调节部件本身偏心引起的各种风机振动；从气流脉动方面分析，主要有通流转动部件故障导致气流紊流、脉动引起的各种风机振动；从支撑刚度弱及局部共振方面分析，主要有风机本身设计支撑动刚度弱、连接松动导致支撑动刚度弱以及局部共振所引起的风机振动。同时，本文还从风机结构上对可能的故障部位进行了归纳

并给出了相应的检修处理建议。

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