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2020-06-30View Original

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关于液化气装车流速的控制,GB51142规范要求液化气在管道中流速不大于3m/s,但这个规范是否适用于装车鹤管?另外,这个规范也不适用于炼厂罐区。想请教一下大家,液化气装车流速控制在多少较为合适?
Reply #22020-06-30
按照规范,液化气鹤管流速还要更大一点,但是不建议选过大流速,不安全,如果是管道控制在2-3m/s就可以了
Reply #32020-06-30
由于鹤管的液相管线的大小就是DN50,实际上按50立方每小时的装车量,流速已经超过7米每秒了。
Reply #42020-06-30
是这么回事,实际上,装卸车设计规范中也说明,当液体没过管口时鹤管出口流速<7m/s,实际生产中有一些为了提高生产效率就是违规操作的。高流速就要求良好的接地,不然容易出事。
Reply #52020-07-01
您说的装卸车设计规范是指哪个呢?适用于槽车液化气装卸吗?
Reply #62020-07-01
石油化工液体物料铁路装卸车设施设计规范 GB/T51246-2017
Reply #72020-07-01
但这个规范适用于汽车装车吗?同时7m/s的流速我认为主要是针对于液体物料,对液化烃是否适用?
Reply #82020-07-02
汽车装卸没有专有的规范,对液化烃也适用,你还可以参看《城镇燃气设计规范》与《液体石油产品静电安全规程》,城镇燃气中有专门对液化气的叙述,数值不是特别一致,但差别也不太大

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