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2019-03-16View Original

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我们这里是原油储运区,有两台600m3/h的双螺杆泵,我们在生产作业时,发现这两台泵经过长时间运转,齿轮箱处发出异响,声音较大。检查各处压力、温度均无异常。同时,生产期间,作业输出量明显不足。出现以上情况,造成异响个人认为是泵轴的原因,输出量可能是油品理化性质粘度大,泵抽空的原因。烦请大家帮忙讨论。
Reply #22019-03-16
泵抽空的声音来自泵体,齿轮箱处发出异响应该是齿轮或者轴承的问题,声音明显不同,动设备如果出现声音变化,就要及时处理。
Reply #32019-03-20
容积式泵汽蚀也会产生撞击样的异响。油品温度高,油品中含水等轻组分,在泵吸入时汽化,在排出时由于压力高又液化,压力有瞬间变低,所以会有液击样的撞击声。推荐考虑检查油品组分。
Reply #42019-03-20
压力无异常,却明显量不足?似乎有点矛盾,齿轮异响应该不会影响到量,还是从逐步排查,先看看在是否堵塞角度考虑一下。
Reply #52019-03-22
作业输出量不足,说明有气阻,齿轮噪音是由于螺杆泵流量不稳有脉动,造成齿轮异响,应及时排气排查工艺,长期运行,齿轮磨损螺杆撞击

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