先进控制系统在UNIPOL聚丙烯气相流化床生产中的应用

Application of Advanced Process Control in UNIPOL Polypropylene Gas Phase Fluidization Bed Production

先进控制系统(APC)广泛应用在聚烯烃产品生产中,UNIPOL聚丙烯气相流化床生产工艺运用先进控制系统进行控制,通过气体组分控制、树脂性能预测与控制、产率控制和产率最大化控制、基本工艺计算及工艺监控和报警功能,实现了产品产率控制和优化、气体组分控制以及工艺监控等,保证了聚丙烯各牌号产品指标和性能的稳定性和持续性。文章对先进控制系统的各种功能进行讲解和分析。

Advanced process control(APC)is widely used in the production of polyolefin resin.UNIPOL polypropylene gas phase fluidization bed production process is controlled by the advanced control system.Through the functions of gas component control,resin performance prediction and control,production rate control and production rate maximization control,basic process calculation,process monitoring and alarm,production rate control an optimization,gas component control and process monitoring can be realized.It ensures the stability and sustainability of each grade of polypropylene product index and performance.In this paper,it explains and analyzes various functions of advanced control system.