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["凝结水管線の振動", "この投稿は 2218-5--1155515:3 に liaifeng が最後に編集されました 本回开工後、1.1MPa蒸気凝结水を

2017-04-16View Original

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本帖最后由 liaifeng 于 2018-9-2 15:30 编辑 此次开工后把1.0MPa蒸汽凝结水并入0.3MPa蒸汽凝结水管网,造成凝结水用凝结水泵输送中管道振动,请教如何调整
Reply #22017-04-16
可能是凝结水中带蒸汽所致。
Reply #32017-04-16
要是液击,肯定是相变造成的,就好分析了
Reply #42017-04-17
两个凝结水管道的压力不同,凝结水的温度不同,水温高的一侧流到水温低的一侧,可能会产生汽化,造成汽液振动,形成水击。
Reply #52017-04-17
有气相进入管道中,1.0蒸汽凝结水进入罐中,顶部气相再利用,底部凝结水泵输送并入管网没问题,如果泵出口震动,泵出口加金属软管就解决了。
Reply #62017-06-15
1.0MPa蒸汽凝结水量大的话,设置一个闪蒸罐;量小的话,可以参照9#的做法
Reply #72017-06-16
可以设置一个低压分离器,把1.0MPa的冷凝液送进去进行分离和降压然后再和0.3MPa的合并送走
Reply #82017-06-30
为什么要将0.3mpa 蒸汽外送,我们都将0.3mpa 蒸汽由外网引进来作为塔底重沸器的热源了,这样可以节约蒸汽!

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