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1)  downcomer [英]['daun,kʌmə]  [美]['daʊn,kʌmɚ]
降液管
1.
Study on two phase flow with high gas holdup in downcomer;
板式塔降液管中高气含率两相流研究
2)  multiple downcomer
多降液管
1.
A study on flow characteristic and mass transfer efficiency in multiple downcomer trays extractor;
降液管筛板萃取塔内流动特性和塔效率的研究
3)  downcomer liquid
降液管液层
1.
The results showed that the rise-up vapor entered continuously the downcomer in form of gas column when the vapor flow in the column increased gradually,until the downcomer liquid was broken through and the downcomer was not operated normally.
结果表明,当塔内的气体流量逐渐增大,漏入的气体以气柱的形式连续进入降液管时,降液管液层被击穿,降液管无法正常操作。
4)  downcomer bottom
降液管底端
5)  suspending downcomer
悬挂降液管
1.
Structure characteristic and application of tray with suspending downcomer;
矩形悬挂降液管塔盘的结构特点与工业应用
2.
Structure and operating performance of new fixed valve tray with suspending downcomer (DJ - 5 tray) was introduced.
新型固定阀悬挂降液管塔板是一种新型大通量高效DJ塔板。
6)  downcomer mixing
降液管混合
补充资料:降液管
分子式:
CAS号:

性质: 是板式塔中供液体在板间通过的通道,有弓形或圆形(图暂缺)。还具有分离气泡,减少板间的气相返混的作用,因此需要保持液体在降液管内有一定的停留时间,一般要求容积不少于3~5ml的液体流量容积,液量特别大时,可略低于此值。管内的清液层高(由于压差平衡造成),不超过整个降液管高度的40%~60%,以免造成液泛。

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