一、确保关键设备安 全运行
要求催化剂须按一定比例注入水环式真空泵，而且停注时间不能超过15rain。否则将会使熔体粘度降低，产品质量降等。为保障水环式真空泵的平稳运行，须采取一些保障措施
二、定期更换润滑油及磨损件
水环式真空泵的内部主要运动件有蜗杆、蜗轮、滑块、定新活塞等。这些部件的磨损将直接导致水环式真空泵流量降低或根本不上量，目前解决的办法就是定期更换润滑油、磨损件及定期清洗液压腔
三、严格操作规程
水环式真空泵的启动和停车都应严格按照使用要求进行操作。在启动时，零输出开泵，待水环式真空泵出口有一定压力时方可对稳压盘充氮气。避免因充氮气造成隔膜变形较大，防止隔膜破裂；提高泵输出时，要缓慢进行；停泵时，也应缓慢降低水环式真空泵的输出
四、加强水环式真空泵的维护
运行期间，要对水环式真空泵定期巡检，特别是检查润滑油油位、机泵声音、出口压力、氮气缓冲罐压力等。定期对水环式真空泵泵体隔膜、氮气缓冲罐隔膜进行更换，以有 效地防止两台水环式真空泵同时损坏造成催化剂停注事故的发生
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