在许多情况下，用带有回流的精馏塔以改善间歇釜的分离性能。
In many cases, a rectifying column with reflux is used to improve the performance of the batch still.
获得了该塔在全回流及部分回流条件下的全塔效率，固定回流比间歇精馏下的塔顶、塔釜温度及浓度随时间的变化曲线等。
The changing curve of temperature and concentration in top and bottom with time in fixed reflux ratio and batch distillation, were also obtained.
讨论和分析了脂肪酸甲酯间歇精馏过程中回流比、操作压力、釜温对精馏效果的影响。
Effect of reflux ratio, operation pressure and bottom temperature on fractionation results were discussed.
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