聚丙烯装置汽蒸罐洗涤塔底产生细粉的原因及控制
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摘要
液相环管法聚丙烯装置在生产中产生过多细粉是一个普遍的现象,给生产带来了影响设备运行等一些不利情况。结合装置实际情况和操作经验,从预聚合、催化剂种类、汽蒸喷射器C503堵塞、原料含杂质等方面分析了产生细粉的原因,并提出了一些控制细粉过多的措施。
The production of excessive fine powder is a common phenomenon in polypropylene plants with liquid phase loop tube process. The fine powder affects the operation of the equipment and has other adverse effect. Based on the practical situation and operating experience,the causes of fine powder formation were analyzed from the aspects of prepolymerization,catalyst type, clogging of steam ejector C503,impurities of raw materials,etc. And some measures to control the excessive powder were put forward.
The production of excessive fine powder is a common phenomenon in polypropylene plants with liquid phase loop tube process. The fine powder affects the operation of the equipment and has other adverse effect. Based on the practical situation and operating experience,the causes of fine powder formation were analyzed from the aspects of prepolymerization,catalyst type, clogging of steam ejector C503,impurities of raw materials,etc. And some measures to control the excessive powder were put forward.
引文
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[2]曼熊位,高青松,王林,等.有效预防聚丙烯细粉产生的方法与措施[J].化工技术与开发,2013, 42(6):63-64.
[3]洪定一.聚丙烯-原理、工艺与技术[M].北京:中国石化出版社,2011:465-466.
[4]张捷.环管聚丙烯装置生产中细粉产生的原因及对策[J].河南化工,2012,29(1):51-53.
[5]桂华.降低聚丙烯细粉含量的探讨[J].化学工程与准备,2008,5:21-23.
[6]刘自良.聚丙烯细粉产生的原因影响及措施[J].石油化工应用,2009, 28(1):106-108.
[7]付义,邢辉,马良,等.100kt/a环管工艺聚丙烯装置聚合物细粉产生的原因及解决措施[J].化工进展,2011,30:568-570.
[8]苏培林,罗正鸿.环管工艺生产聚丙烯过程细粉产生的原因分析[J].现代化工,2006,26(2):364-367.