年产5万吨聚氯乙烯车间工艺设计VIP免费

毕业设计题目:年产万吨聚氯乙烯生产车间工艺设计院系:材料科学与工程学院专业:高分子材料与工程班级:学生姓名:指导教师:论文提交日期：2011年6月21日论文答辩日期：2011年6月28日内容摘要本文讲述了我国聚氯乙烯工业生产技术的发展进程和目前状况，包括原料路线、工艺设备、聚合方法等。本设计采用悬浮法生产聚氯乙烯，介绍了采用悬浮法生产PVC树脂工聚合机理，工艺过程中需要注意的问题，包括质量影响因素，工艺条件及合成工艺中的各种助剂选择，对聚合工艺过程进行详细的叙述。并且从物料衡算、热量衡算和设备计算和选型三个方面进行准确的工艺计算，对厂址进行了选择，采取了防火防爆防雷等重要措施，对三废的处理回收等进行了叙述，画出了整个工艺的流程图。关键词：聚氯乙烯；生产技术；悬浮法；乙炔法；乙烯法；防粘釜技术；目录第一章总论···········································································61.1国内外pvc发展状况及发展趋势········································61.2单体合成工艺路线··························································71.2.1乙炔路线································································71.2.2乙烯路线································································81.3聚合工艺实践方法··························································91.3.1本体法聚合生产工艺·················································91.3.2乳液聚合生产工艺····················································91.3.3悬浮聚合生产工艺··················································101.4最佳的配方、后处理设备的选择·······································111.4.1配方的选择···························································111.4.2后处理设备侧选择··················································111.5防粘釜技术··································································131.6原料及产品性能····························································131.7聚合机理·····································································151.7.1自由基聚合机理·····················································151.7.2链反应动力学机理··················································161.7.3成粒机理与颗粒形态···············································161.8影响聚合及产品质量的因素·············································171.9工艺流程叙述·······························································181.10.1加料...