精馏段 meaning in English
enriching section
rectifying section
Examples
- A typical continuous fractionating column equipped with the necessary auxiliaries and containing rectifying and stripping sections is shown in fig . 21 . 7
图21 . 7所示的是一个典型的连续操作精馏塔。它配备有必要的辅助设施，包括精馏段与提馏段两部分。 - Without the reflux , no rectification would occur in the rectifying section , and the concentration of the overhead product would be no greater than that of the vapor rising from the feed plate
假如没有回流，精馏段就无精馏作用，塔顶产品的浓度就不可能高于来自加料板的上升蒸汽的浓度。 - The results indicate that the position of sensitive plates is located at the section of middle or upper in tower but not near by feeding plate , and the smaller reflux ratio , the closer overhead of distillation tower . accurate calculation for flash is solved using matlab , and the result is correct and reasonable . complicated multi - components distillation and crude distillation are simulated using chemcad , and results are reasonable about profiles of flow for vapor and liquid as well as temperature in the tower
数值分析的结果表明精馏塔灵敏板位置并不在进料板附近,而是位于精馏段的中上部,且回流比愈小,愈靠近塔顶;利用matlab实现了蒸馏过程的严格计算,与参考值比较,结果正确、合理;借助于chemcad进行常减压塔的稳态模拟计算,得出了流量和温度在塔内的分布,经过理论分析,结果合理,可为实际生产提供参考。