提高汽提系统运行稳定性的优化改造  

Optimizing reformation of improving operation stability of stripping system

作　　者：高自建 赵彦军 刘洪宇 GAO Zijian;ZHAO Yanjun;LIU Hongyu(Qingdao Haiwan Chemistry Co.,Ltd.,Qingdao 266409 , China)

机构地区：[1]青岛海湾化学有限公司

出　　处：《聚氯乙烯》2019年第8期5-6,24,共3页Polyvinyl Chloride

摘　　要：介绍了PVC生产汽提工艺流程,从汽提塔塔顶进料分布、塔壁清洗、消泡剂加入、塔顶压力和温度控制等方面介绍了提高汽提塔运行稳定性的改造内容。The stripping process of PVC production was introduced. The improvement of stripping tower operation stability was introduced from the aspects of top feed, distribution, wall cleaning, defoamer addition, top pressure and temperature control.

关 键 词：PVC 汽提 穿流筛板塔 温度 压力 消泡剂 残留VCM 

分 类 号：TQ325.3[化学工程—合成树脂塑料工业]