在丙烯精馏塔的控制中，由于被控对象的非线性特性，采用线性模型的模型预测控制器难以保持良好的控制性能。
It is difficult to keep favorable controlling performance of model predictive control (MPC) by linear model due to controlled plant nonlinearity in propylene rectifier.
将奇异摄动方法应用于一个二元精馏塔的模型降阶，得到了一个用于控制器设计的集结简化模型。
A singular perturbation method was applied to a model reduced order of a binary distillation column, and an aggregated model for designing a controller is deduced.
化学工程中精馏塔的理论塔板数n是塔器设计的一个重要数据。
The theoretical plate number "n" of distillation towers is an important data for distil - lation tower design.
介绍两种适用于分批精馏及多用途填料塔的液体分布器——槽式和双排管式高弹性液体分布器。
Two kinds of liquid distributors, with high turndown ratio, for batch distillation and multi-purpose packed columns are described in this paper.
介绍双氧水生产中精馏塔内液体分布器在生产操作中存在的问题，并提出了改进措施。
The troubles with liquid distributor in distillation tower in oxozone production are analyzed. Improving measures are put forward.
立式筒体及其内部的塔内件、冷凝器和再沸器共同构成精馏塔。
The vertical shell houses the column internals and together with the condenser and reboiler, constitute a distillation column.
对精馏塔各种塔料气体分布器的结构进行了分析对比，开发与改进了双切向环流式气体分布器。
Based on the analysis and comparison of configurations of feeding gas distributors in rectification towers, the bitangent direction circulating type gas distributor was developed and improved.
简述了气分装置丙烯精馏技术的发展趋势，对丙烯精馏塔增设中间重沸器进行了理论分析。
This paper introduced briefly developing trend of propylene rectification technology in gas separating unit and analyzed theoretically the middle reboiler used in propylene rectification column.
将非线性系统模型匹配问题（MMP）应用于精馏塔产品质量控制器的设计，得到精馏塔的MMP非线性控制器。
MMP nonlinear controller for a distillation column is deduced by utilizing the model matching problem of nonlinear system for the controller design of a distillation column.
本文简述液体分布器的结构和特点，设置百叶窗式液体收集再分布装置的的必要性，介绍了在苯胺精馏塔上的应。
The structure and characteristics of the liquid distributors as well as the necessity of installing the butter liquid re-distributor were described in this article.
介绍了氯乙烯精馏的工艺流程，详细论证了基于扰动观测器设计的氯乙烯精馏装置控制方案。
The control project of vinyl chloride rectification units based on designs of distrubance observer was demonstrated in detail.
精馏塔再沸器是炼油、化工、轻工等行业中非常重要的换热设备，这种再沸器的优化和传热强化对热能的优化利用具有重要意义。
Reboiler of fractionating column is an important type of heat exchangers in the refinery industry, chemical industry, light industry and so on.
老装置改造主要包括反应器、精馏塔、换热器、压缩机等多个方面。
The aspect of transform contains; reactor, rectifying tower, heat exchanger and compressor etc.
反应产物蒸汽依次通过反应器上部精馏区内的甲酸甲酯分离区、冷凝器、尾凝器，从气相冷凝分离得甲酸甲酯的粗产品混合液。
Reaction product vapor through methyl formate separating area, condenser and tail condenser, methyl formate crude product mixed liquor is got from gas phase condensation separating.
一种三氯乙烯减压精馏装置，由加热系统、精馏塔、冷却器和接受容器组成。
The utility model relates to a pressure reducing rectifying apparatus for trichloroethylene, composed of a heating system, a rectifying tower, a cooler and a receiving container, etc.
通过静态混合器对萃取过程的强化及减压精馏回收萃取剂实验，验证了三脂肪胺-煤油-正癸醇体系萃取低浓醋酸的工业可行性。
The possibility of applying this solvent in industry was tested through the experiments of mass transfer enforced by static mixing equipment a…
通过模拟计算，研究了回流比、预热冷却器面积、塔釜冷却量、蒸发器加热量以及泵循环流量对热敏精馏过程的影响。
By simulation, the effects of reflux ratio, the area of the preheat-cool exchanger, cool duty of still pot, heat duty of evaporator and the liquid flow recycled by pump on heat sens...
通过刮膜蒸发器脱重和高精密精馏的方法对羰基化制备乙酸工艺副产物-重组分残液回收进行了实验。
Recovery of the residue liquid from the process for carbonylation of methanol to acetic acid was studied experimentally.
包括低压精馏塔、加压精 馏塔、塔釜再沸器、塔顶冷凝器和辅助冷凝器；
The system comprises a low pressure rectifying tower, a pressurizing rectifying tower, a tower kettle reboiler, an overhead condenser and an auxiliary condenser;
包括低压精馏塔、加压精 馏塔、塔釜再沸器、塔顶冷凝器和辅助冷凝器；
The system comprises a low pressure rectifying tower, a pressurizing rectifying tower, a tower kettle reboiler, an overhead condenser and an auxiliary condenser;
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