高黏聚合物扩散脱挥与动态设备研究进展  

Progress in diffusion-controlled devolatilization and dynamic apparatus for high-viscosity polymers

作　　者：王超[1] WANG Chao(Sinopec(Beijing)Research Institute of Chemical Industry Co.,Ltd.,Beijing 10013,China)

机构地区：[1]中石化(北京)化工研究院有限公司,北京100013

出　　处：《石油化工》2023年第9期1320-1330,共11页Petrochemical Technology

摘　　要：综述了高黏聚合物扩散脱挥的传质理论及模型,介绍了近年来的高黏聚合物动态脱挥设备,并提出了高黏聚合物脱挥理论研究及设备工程化的发展方向;基于实验数据和影响脱挥结果的各类因素,建立普适化的聚合物脱挥模型;在提升设备的流体力学性能、增大气液两相的接触面积、加快表面更新速率的同时,需考虑工艺流程、设备结构和操作条件对过程能耗、产品性能的影响。The theories and models of mass transfer involved in diffusion devolatilization of high-viscosity polymer are reviewed;the dynamic devolatilization apparatus in recent years are introduced;the development directions of theoretical research and equipment engineering of high-viscosity polymer devolatilization are presented.Based on the experimental data and various factors affecting devolatilization results,the universal devolatilization models of polymer will be established;the influence of process flow,apparatus structure and operating conditions on process energy consumption and product performance should be considered while improving the hydrodynamic performance of apparatus,increasing the contact area of gas-liquid phase,and accelerating the surface renewal rate.

关 键 词：高黏聚合物 扩散脱挥 挥发分 传质模型 动态脱挥设备 

分 类 号：TQ311[化学工程—高聚物工业]