44精馏塔课设任务说明书

课程设计说明书武汉工程大学化工原理课程设计1机电工程学院课程设计说明书课题名称：苯-甲苯溶液连续板式精馏塔设计专业班级：学生学号：学生姓名：学生成绩：指导教师：课题工作时间：武汉工程大学机电工程学院教学管理科化工原理课程设计1机电工程学院课程设计任务书专业班级学生姓名发题时间：年月日一、课题名称苯-甲苯溶液连续板式精馏塔设计二、课题条件（文献资料、仪器设备、指导力量）（一）设计任务(1)处理能力：7万T/h。(2)原料苯-甲苯溶液组成：39.0fX(苯的质量分数):(3)产品要求：塔顶苯的组成(质量分数):95.0Xd塔底苯组成(质量分数):024.0Xw。（二）操作条件：（1）生产方式：连续操作，中间加料，泡点回流（2）生间时间：每年以300天计算，每天24小时（3）进料状况：泡点进料（4）回流比：自选，（5）塔釜加热方式：间接蒸汽加热（6）塔顶冷凝用冷却水，冷却水进口温度：25℃试设计一板式精馏塔，完成该生产任务。三、设计任务化工原理课程设计21确定设计方案，绘制工艺流程图。2塔的工艺计算。（1）精馏塔的物料衡算；（2）最佳回流比的确定（3）塔板数的确定.3塔工艺尺寸的计算（1）板间距；（5）塔径；（6）塔盘结构设计；4塔板的流体力学核算；5绘出负荷性能图6辅助设备的计算与选型确定塔顶冷凝器、塔底再沸器的计算，加料泵，回流泵型号。7附件尺寸确定塔顶空间、塔底空间、人孔、裙座、封头、进出管口等。8设计计算结果汇总表9设计结果评价10、绘制精馏塔装配图11、编制设计说明书四、设计所需技术参数物性数据：热容、粘度、密度、表面张力和饱和蒸气压等。五、设计说明书内容1封面2任务书3《课程设计》综合成绩评定表4中英文摘要。5目录及页码6概述7按设计任务顺序说明化工原理课程设计38结语简述设计体会，收获，提出建议等。9参考文献10附精馏塔装配图及流程图六、进度计划（列出完成项目设计内容、绘图等具体起始日期）1设计动员，下达设计任务书2010.6.212搜集资料，阅读教材，拟订设计进度2010.6.21—6.223设计计算（包括电算）2010.6.23—6.294绘图2010.6.30—7.15整理设计资料，撰写设计说明书2010.7.2—7.36设计小结及答辩2010.7.3—7.4指导教师（签名）：2010年6月21日学科部（教研室）主任（签名）：2010年6月21日说明：1．学生进行课程设计前，指导教师应事先填好此任务书，并正式打印、签名，经学科部（教研室）主任审核签字后，正式发给学生。设计装订时应将此任务书订在设计说明书首页。2．如果设计技术参数量大，可在任务书后另设附表列出。3.所有签名均要求手签,以示负责。化工原理课程设计4机电工程学院《课程设计》综合成绩评定表学生姓名学生班级设计题目苯-甲苯溶液连续板式精馏塔设计指导教师评语指导教师签字：年月日答辩记录答辩组成员签字：记录人：年月日成绩综合评定栏设计情况答辩情况项目权重分值项目权重分值1、计算和绘图能力351、回答问题能力202、综合运用专业知识能力102、表述能力（逻辑性、条理性）103、运用计算机能力和外语能力104、查阅资料、运用工具书的能力55、独立完成设计能力56、书写情况（文字能力、整洁度）5综合成绩指导教师签名：学科部主任签名：年月日年月日化工原理课程设计5摘要：设计一座苯-甲苯连续精馏塔，根据物性特征，产品产量和工程、经济合理性来确定塔型和操作条件；通过对原料，产品的要求和物性参数的确定以及对塔体主尺寸的计算，工艺设计和附属设备选型的设计，完成对苯-甲苯精馏工艺流程和主体设备的设计。关键词：塔型，塔体，设备，流程Abstract:Ineedtodesignanbenzol-toluenecontinuousdistillation.Accordingtothecharacteristicsofproperties,productproductionandengineering,economicrationalitytodeterminethetypeofthetowerandoperationalconditions.Thinkingabouttherequirementsofrawmaterialsandproductandthedeterminationofphysicalparameters,Icancalculateofthesizeofthecolumn,designtheprocessandselecttheancillaryequipment,thencompletethebenzol-toluenedistillationprocessandthedesignofthemainequipment.Keywords:type,size,ancillaryequipment,process化工原理课程设计6目录1.设计任务及要求··························································81.1设计背景··························································81.2设计条件··························································91.3设计要求··························································91.4设计说明书的主要内容········································91.5塔型选择························································102.操作条件的确定······················································112.1操作压力························································112.2进料状态························································112.3加热方式························································112.4热能利用························································113.物料的工艺计算························································123.1相对挥发度······················································133.2回流比R的确定···············································143.3物料平衡························································163.4理论塔板层数的确定···················错误!未定义书签。4.基本物性数据计算···················································184.1精馏段····························································184.2提馏段···························································204.3全塔的流量·····················································225.塔径的计算····························································236.塔板结构尺寸的确定··························错误!未定义书签。6.1确定塔板的流型·························错误!未定义书签。6.2塔板尺寸··································错误!未定义书签。6.3弓形降液管·······························错误!未定义书签。6.3.1堰上液流高度···················错误!未定义书签。6.3.2堰高······························错误!未定义书签。66.3.3溢流管底与塔盘间距离h0···错误!未定义书签。6.4浮阀数目及排列·······················错误!未定义书签。76.4.1浮阀数目·······················错误!未定义书签。76.4.2排列································错误!未定义书签。6.4.3校核······························错误!未定义书签。87.流体力学验算···································错误!未定义书签。7.1板压降的校核····························错误!未定义书签。7.2漏液验算································错误!未定义书签。97.3液泛验算························································307.4雾沫夹带验算··················································308.负荷性能图······························································318.1漏液线···························································318.2雾沫夹带上限线···············································318.3液泛线···························································318.4液体负荷上限线···············································32化工原理课程设计78.5液相负荷下限线···············································328.6操作性能负荷图·························错误!未定义书签。9.塔体结构·······································错误!未定义书签。29.1塔高的计算·······························错误!未定义书签。9.2筒体······································错误!未定义书签。49.3封头······································错误!未定义书签。49.4裙座······································错误!未定义书签。410.各接管尺寸的确定···················································3510.1进料管··································错误!未定义书签。510.2釜残液出料管························错误!未定义书签。510.3回流液管··········