5、消费量的不断增加。本设计主要对氯乙烯的物性、用途及国内外生产消费现状进行分析,对其现有各种生产工艺做简要介绍,根据设计任务要求确定了本生产工艺流程,对氯乙烯的生产、分离及提纯阶段精馏塔进行详细计算,并根据物性及操作条件等综合因素对塔设备结构进行计算、设计、选型,对辅助设备进行相应的设计计算。做出我认为年产20万吨氯乙烯理想的设计方案。关键字:增加;氯乙烯;聚氯乙烯;精馏塔;计算IIProcessdesignofvinylchloridewithannaloutputof200ktAbstract:Vinyl chloride is an important
6、organic chemical raw materials in chemical industry, its market supply and demand quantity will become more and more large and the position of Vinyl chloride will be rise in chemical production. Due to the production of vinyl chloride is developing very fast in the world, the pro
7、duction and consumption demand are growing rapidly; With the continuous development of PVC industry in China, our country's vinyl chloride consumption also increased. This design mainly analyze the vinyl chloride’s physical properties, use and production, and consumption status at