distilling tower

An Automatic Control Method of the Methanol Distilling Tower

甲醇精馏塔自动控制方案的探讨

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Then, the liquid is desorbed at atmospheric pressure, the liquid at the exit of the distilling tower contains only 0.014% of ammonia and 0.006% of CO 2, and the desorbed gas is returned to the absorbers in series for circulating absorption and separation.

分离游离氨后的溶液在常压下进行解吸，蒸馏塔出口液体含NH3和CO2量仅为0.014%和0.006%，解吸气回串联吸收器进行循环吸收分离。

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Objects controlled for pressure control of distilling tower are complicated which have more related factors and strong interference, modeling it is difficult, so normal control algorithm can not perform with high quality.

蒸发塔压力控制的对象复杂、影响因素多、干扰大，控制系统的建模较为困难，用常规控制算法难以高质量地完成控制任务。

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But distilling tower temperature control is a typic big time-lag system, and the control of it is always a difficult problem in coak producing industry.

但由于氨塔温度控制属于典型的大时滞系统，对这种系统的自动控制一直是焦化生产控制中的一个难题。

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The Genetic Fuzzy Algorithm Used in Pressure Control of Distilling Tower

蒸发塔压力控制的遗传模糊算法

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This paper states rebuilding the old water for injection stations with membrane technology and some experience, and completes the concentration of pyrogen < 0 5EU/ ml in desalt water before being taken into a distilling tower.

本文阐述了膜技术改造老《注射用水》水站的方法，实现了去离子水进入蒸馏塔之前热源质＜0.5EU／ml的设计思想，总结了几点体会。

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