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2017-06-21View Original

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Reply #22017-06-26
好的,那请翻译以下这些句子:
Reply #32017-06-26
1
Reply #42017-06-26
离心式透平压缩机启动时负压导致轴承温度震动升高
Reply #52017-06-27
各位老师,请教一个问题,我司有一台4级压缩的离心式透平压缩机,在启动的时候现场未联系好中控直接启动,中控有一分半钟未开进气阀(是气路进气阀非入口导叶),导致入口负压到 0.8MPa,进气阀门开起后4级震动升高了4s,轴温上涨 1℃,且温度和震动随负荷变化而变化的幅度较以前大很多,轴承是倾斜瓦式。现在只有减负荷运行,现在减负荷运行后轴承温度和震动都比较稳定,未出现明显的上涨或下降的趋势。各位老师能帮忙简单分析下可能的原因吗?会是哪个部位引起的?下一步该如何处理或检查?谢谢指导。
Reply #62017-06-27
建议你应该停车检查轴承
Reply #72017-06-27
压缩机喘振了。最好说明原先振动是多少,原先的油温是多少,负荷涨到多少时,振动和油温涨了多少,这样才可以判断是否减负荷运行还是继续运行。推断轴承温度有没有变化?
Reply #82017-06-27
请轴窜量变化,推力瓦温度变化,润滑油消耗量变化。建议检查轴承查看推力瓦磨损。如果压缩机润滑油消耗过大则是密封也干坏了。看你描述密封应该没事。
Reply #92017-06-27
离心式压缩机不开进口阀不会引起轴承的振动建议你还是还是检查轴承。
Reply #102017-06-28
油温是由温控阀自动控制的,在53度左右。4级震动由原来的 会涨到 15。轴承温度由原来的 会涨至 8。
Reply #112017-06-28
你好,密封这块还没注意,密封是几级密封排气接到一个管路上放空,以前没太注意气量大小。请教一下,如果密封损坏的话会有什么现象?

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