文章介绍了干气密封及其系统各部件的工作原理、结构、作用及其在乙烯冷泵中的应用情况。
This paper introduced dry seal and the working principle, structure and functions of its various parts, as well as its ap-plying situation in ethylene cold pumps.
预洗塔和吸收塔内泵的汽蚀阻止低温甲醇洗装置冷甲醇设计流量的输送。
Cavitation in the prewash and absorber pump prevented the Rectisol unit from delivering the designed flows of cold methanol.
振荡气体与板叠表面热交换进行声功泵热，系统通过板叠的冷、热端换热器与外界交换热量。
The heat is transferred between the oscillating gas and the surface of the stack and is pumped from the cold to the hot end.
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