尼龙66缩聚过程模拟及优化  

Simulation and Optimization of Nylon 66 Polycondensation Process

作　　者：李刚[1] 陈珊珊 王秀甜 Li Gang;Chen Shanshan;Wang Xiutian(He'nan University of Urban Construction,He'nan,467036;Shenma Industrial Co.,Ltd.,Cord Fabric Company,He'nan,467000)

机构地区：[1]河南城建学院,河南467036 [2]神马实业股份有限公司帘子布公司,河南467000

出　　处：《当代化工研究》2020年第19期40-41,共2页Modern Chemical Research

摘　　要：我们利用Aspen Plus流程模拟软件,在参考了大量汽液平衡热力学模型与缩聚反应动力学模型文献的基础上,对尼龙66聚合过程进行了流程搭建和模拟优化。采用成熟的"五大器"生产工艺,初始在进料为1500kg/h,质量分数为49.95wt%的盐溶液,模拟结果显示后缩聚器出口聚合物分子量只有3050。我们结合实际情况在第二段管式反应器入口加入进料量400kg/h,质量分数为50wt%的盐溶液再次进行模拟,模拟结果显示后缩聚器出口聚合物分子量为17268,后缩聚器出口的分子量有了显著提高。我们又对原有工艺进行优化,最终将后缩聚器出口的分子量提升至21426。We use Aspen Plus process simulation software to build and optimize the process of nylon 66 polymerization based on a large number of references of vapor-liquid equilibrium thermodynamic models and polycondensation kinetic models.The simulation results show that the molecular weight of the polymer at the outlet of the post polycondensator is only 3050 when the feed is 1500kg/h and the mass fraction is 49.95wt%.The simulation results show that the molecular weight of the polymer at the outlet of the post polycondensator is 17268,and the molecular weight of the polymer at the outlet of the post polycondensator is significantly improved.We also optimized the original process and finally increased the molecular weight at the outlet of the post polycondensator to 21426.

关 键 词：Aspen Plus 尼龙66 缩聚 模拟优化 

分 类 号：TQ323.6[化学工程—合成树脂塑料工业] TB332[一般工业技术—材料科学与工程]