化工原理设计,苯和甲苯的分离(DOC51页)VIP免费

化工原理课程设计题目分离苯-甲苯精馏塔设计学院专业班级学生姓名指导教师成绩2016年6月27日摘要精馏塔是分离液体混合物最常用的一种单元操作，主要是利用回流使液体混合物得到高纯度分离的蒸馏方法，是工业上应用最广的液体混合物分离操作，广泛用于石油、化工、轻工、食品、冶金等部门。本设计的题目是苯-甲苯二元物系筛板式精馏塔的设计。在确定的工艺条件下，确定设计方案和设计内容，其主要包括精馏塔工艺设计计算、塔辅助设备设计计算、精馏工艺过程流程图、精馏塔设备结构图以及设计说明书。关键词：筛板塔；苯-甲苯；工艺计算；结构图AbstractFractionatorisseparatingtheliquidmixtureofthemostcommonlyusedasaunitoperation,mainlyusingrefluxliquidmixturewasdistilledtoobtainhigh-purityseparation,istheindustry'smostwidelyusedliquidmixtureisseparated,widelyusedinpetroleum,chemical,lightwork,food,metallurgyandothersectors.Thisdesignisentitledbenzene-TolueneBinarySystemsievetraytypedistillationcolumndesign.Undercertainconditions,todeterminethedesignandcontentdesign,whichincludesrectifyingtowerdesignandcalculationprocess,towerauxiliaryequipmentdesigncalculations,distillationprocessflowdiagram,distillationapparatusconfigurationdiagramanddesignspecifications.Keywords：Sievetray;benzene-toluene;processcalculation;configurationdiagram目录摘要.......................................................................................................................................ⅡAbstract....................................................................................................................................Ⅲ第1章绪论.............................................................................................................................11.1概述..............................................................11.2设计依据..........................................................31.3厂址选择..........................................................3第2章设计方案的选择和论证...............................................................................................32.1设计流程..........................................................32.1.1选择原则......................................................42.1.2设计流程图....................................................42.2设计要求..........................................................52.2.1满足工艺与操作的要求..........................................52.2.2满足经济上的需求...............................................52.2.3保证安全生产...................................................52.3设计思路..........................................................52.3.1文献检索......................................................62.3.2小组讨论......................................................72.4相关符号说明......................................................7第3章塔的工艺计算...............................................................................................................93.1基础物性数据......................................................93.1.1苯和甲苯的物理性质............................................93.1.2苯和甲苯饱和蒸汽压Po..........................................93.1.3苯和甲苯的液相密度ρL.........................................93.1.4液体表面张力σ...............................................103.1.5液体粘度μ...................................................103.2塔的工艺计算.....................................................103.2.1操...