年产十万吨聚对苯二甲酸乙二醇酯工艺设计日期：2012年6月10日摘要本设计是年产十万吨聚对苯二甲酸二乙醇脂（PET）合成的工艺设计。本文对PET的研究，生产进行了详细的概述，阐述了其在化学工业中的作用与地位。并介绍了PET的制备方法和确定了PET的生产工艺。在确定PET生产工艺的基础上进行了物料衡算，热量衡算，主要设备选型，工艺管路设计。并利用Aspen软件对主要的流程进行模拟。利用AutoCAD软件绘制主要设备图，工艺流程图以及车间布置图。文中还对三废处理及废料回收、节能措施与安全防范、技术经济初步分析核算进行了简单的阐述。关键词：聚对苯二甲酸二乙醇脂，PET,Aspen,AutoCADSummaryThisdesignisanannualoutputofonehundredthousandtonsofpolyethyleneterephthalate(PET)processdesign.Inthispaper,thePETstudy,adetailedoverviewoftheproduction,expoundsitsroleandpositionchemicalinindustry.AndintroducesthepreparationmethodofthePETandsetthePETproductiontechnology.IndeterminingthePETproductiontechnologyisconductedonthebasisofthematerialbalancecalculations,heatbalancecalculations,themainequipmentselection,processpipingdesign.AndsimulatingthemainprograssbythesoftwareAspen.UseAutoCADsoftwaredrawthemainequipmentfigure,processflowdiagramandworkshoplayoutfigure.Thepaperalsoforwastetreatmentandrecycling,energysavingmeasuresandsafety,preliminaryanalysisontechnicalandeconomicaccountingsimplyexplained.Keywords:polyethyleneterephthalate,PET,Aspen,AutoCAD目录前言·····························61概述·····························71.1基本概念··························71.2聚酯产品规格························31.3国内外聚酯生产现状·····················31.4全球聚酯发展与展望·····················41.5聚酯的应用·························52.PET简介···························62.1结构与性能·························62.1.1原料性能指标·····························62.1.2PET结构及性能····························92.2合成PET的副反应······················103.PET生产工艺及工艺路线的选择················123.1合成原理及路线······················123.1.1合成原理······························123.1.2合成路线······························123.2PET生产工艺流程······················153.2.1连续缩聚······························163.2.2间歇缩聚······························163.3合成路线的选择及流程简述·················163.4世界主要生产技术·····················173.5PET生产工艺条件······················183.5.1催化剂······························183.5.2稳定剂······························183.5.3缩聚反应的温度与时间························183.5.4缩聚反应的压力···························193.5.5搅拌的影响·····························193.5.6其他添加剂·····························203.5.7总结································203.6影响聚酯切片质量的因...
