本文主要介绍双温差控制系统在气体分馏装置丙烯精馏塔控制上的应用。
This paper mainly introduces the application of the double Differential temperature control system in the Propylene Distillation tower of the Gas Distillation unit.
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.
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.
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