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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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某超临界600mw机组汽轮机振动异常原因分析及处理
, PP. 116-118
Keywords: 超临界,600mw机组,汽轮机,振动,盘车,螺栓,鼓风挡板
Abstract:
针对某超临界600mw机组汽轮机冲转过程中由于振动大发生跳闸故障，通过分析该机组跳闸时的bode图和振动参数,推断机组存在大部件脱落,并伴随有较大的碰磨。经检查确认振动为汽轮机盘车齿轮联轴器螺栓鼓风挡板脱落,使盘车罩壳脱落在转轴上所致。拆除该鼓风挡板后,汽轮机冲转和机组运行均稳定正常。因此,建议制造厂在设计同类型机组时应考虑加固或者取消该螺栓鼓风挡板。
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