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2018-12-22View Original

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备泵带水为什么会抽空
Reply #22018-12-22
问题描述不确切,什么装置汽油泵,工艺流程、介质参数,何种状况下抽空?
Reply #32018-12-22
升温后,因水的沸点远低于汽油的,所以水气化,蜗壳叶轮中心积聚的气体排不出去,就发生气缚现象,泵抽空不上量
Reply #42018-12-22
为什么液化气带水容易造成泵抽空 https://bbs.hcbbs.com/thread-898918-1-1.html (出处: 海川化工论坛网) 参考下这个
Reply #52018-12-23
催化裂化,粗汽油泵,温度在40度左右
Reply #62018-12-24
本帖最后由 泡沫_ZPTK 于 2018-12-24 20:58 编辑 只有备泵抽空吗?如果只是备泵抽空那是泵的事,或是备泵进口管路的事,如进口过滤器堵了
Reply #72018-12-26
催化粗汽油泵严禁带水,一旦粗汽油泵带水则回流带水,1、造成分馏塔顶温度压力大幅度波动,严重时冲塔、粗汽油干点不合格;2、粗汽泵带水造成酸性水带入吸收塔,造成吸收塔操作波动,严重影响后道工序。粗汽油泵带水原因:塔顶回流罐油水界位过高或大幅度波动,回流罐界位计显示有误;塔顶注水量过大、塔顶冷凝器内漏等。 所以,遇到这种情况,急须解决的是把带水的原因找出来,马上解决,不准带水!

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