本文是围绕水蒸气蒸馏连续法生产松香和松节油过程中实现对蒸馏塔的控制问题而展开的。
This thesis is developed on an existing problem for the control of distill column in the process of rosin and turpentine production by continuous vapor distillation.
本文采用电学测量法对刮膜式分子蒸馏过程中蒸发壁面上液膜的连续性和液膜厚度进行了实验测量。
Secondly, the electric measurement was adopted in this paper to study the liquid's film continuity and thickness on the evaporating wall of WFMD.
在蒸汽蒸馏连续法生产松香和松节油的过程中，澄清阶段的松节油含油量大小的在线检测一直是一个难点，也是整个生产过程实现自动控制的关键。
In the process of producing terebinth and colophony, it's difficult to measure the amount of terebinth in the turpentine on line, but it's the key to realize automatic control for the whole process.
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