Abstract: Based on process mechanism analysis, this paper presents an application of advanced process control strategy to resolve the practical issues of ethylene glycol distillation system. The inferential control, decouple control, and expert control technologies are applied and integrated with distributed control system seamlessly. And operation conditions are optimized based on exact industrial process models for ethylene glycol distillation system. As a result of these work, control stability is improved obviously, energy consumption decreases effectively, and operation period is prolonged.

摘要： 在对过程机理深入分析的基础上，通过推断控制、解耦控制、专家控制等先进控制策略的开发和实施,解决了乙二醇脱水和精制系统存在的具体问题，并根据所建立的准确工业过程模型进行了操作条件优化。表明了先进控制和优化技术的实施显著提高了乙二醇脱水和精制系统操作的稳定性，有效降低系统能耗并延长了运转周期。