年产3万吨悬浮聚合法生产聚氯乙烯工艺.doc

高分子合成工艺学设计说明书年产 3 万吨悬浮聚合法生产聚氯乙烯工艺流程设计院、部: 材料与化学工程学院学生姓名: *** 指导教师: 蒋** 职称讲师专业: 高分子材料与工程班级: 高本 1002 班完成时间: 2013 年6月 13日 I 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; 防粘釜技术 II ABSTRACT This article tells the story of China's PVC industry production technology of the development process and current situation, including raw material route, process equipment, polymerization methods and so on. The design and production of PVC by suspension method, the paper introduces the production of PVC by suspension method resin polymerization mechanism, need to be aware of the problems in the process of technology, including the quality influencing factors, technical condition and various additives in the synthesis process selection, description of how the polymerization process in detail. And from material balance, heat balance, and equipment selection three aspects to carry on the accurate calculation and process calculation, on the site selection, adopted the lightning protection and other important measures for fire and explosion prevention, the treatment to three wastes recycling and so on has carried on the narration. Key words :p olyvinyl chloride ;t he production technology ; the suspension method ; anti-sticking reactor technology III 目录摘要………………………………………………………………………………… I ABSTRACT …………………………………………………………………………… II 1总论……………………………………………………………………………… 1 国内 pvc发展状况及发展趋势…………………………………………… 1 单体合成工艺路线………………………………………………………… 3 乙炔路线…………………………………………………………… 3 乙烯路线…………………………………………………………… 3 ………………………………………………………… 4 . 1悬浮聚合生产工艺………………………………………………… 4 、后处理设备的选择………………………………………… 4 配方的选择………………………………………………………… 4 后处理设备侧择…………………………………………………… 5 防粘釜技术………………………………………………………………… 6 原料及产品性能…………………………………………………………… 7 聚合机理…………………………………………………………………