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1)  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。
2)  hanging downcomer
悬挂式降液管
1.
Study on vapor-liquid flow states of hanging downcomer bottom-orifices;
悬挂式降液管液流孔气液流动状态研究
2.
The vapor-rise-up of the hanging downcomer with 8 or 12 bottom-orifices was investigated in a transparent plexiglass column(diameter 500 mm) with air-water system,and the model of vapor-rise-up was built up supposing that the pressure drop generated by rise-up vapor through the downcomer equaled to the tray pressure drop.
采用空气-水物系,在直径为500 mm的有机玻璃塔中对底部分别开有8个和12个液流孔的悬挂式降液管的漏气进行了研究,并在假设漏入降液管的气体产生的压降与板压降相等的基础上建立了击穿漏气模型。
3)  suspension lowering
悬挂降低
4)  electro-hydraulic hitch
电液悬挂
5)  Hydraulic hitch
液压悬挂
1.
The Study of Characteristics for Hydraulic Hitch & Loading System in Tractor;
拖拉机液压悬挂和加载系统性能研究
6)  hydraulic suspension
液压悬挂
1.
Improvement design of swinging arm in combinable muti-axle trailer hydraulic suspension system;
拼接式多轴挂车液压悬挂摆臂的改进设计
补充资料:降液管清液层高度
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CAS号:

性质:又称降液管清液层高度。板式塔降液管内的液柱液面到下层塔板的垂直距离。如图中的Hd(图暂缺)。为保持板式塔正常操作,避免发生液泛,降液管液柱高度不能超过一定限度。一般应满足Hd≤(0.4~0.6)(HT+hw),式中HT为塔板间距,hw为堰高,系数一般取0.5,易起泡物系取0.4,不易起泡物系取0.6。

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