编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第PAGE41页共NUMPAGES40页第PAGE\*MERGEFORMAT41页共NUMPAGES\*MERGEFORMAT40页本科生（化工原理）课程设计题目年产10万吨甲苯精馏塔的设计学生姓名张淑云黄桂林王泽尉指导老师徐琼学院树达学院专业班级化学工程与工艺完成时间2014年12月目录Ⅰ.设计任务书············································5Ⅱ.设计说明书工艺流程的确定和说明······························6精馏塔的工艺计算2.1操作条件的相关计算·······························7一、操作压力、塔顶温度、塔底温度的确定···················7二、相对挥发度的计算和最小回流比、操作回流比的确定·······102.2全塔物料衡算和热量衡算····························10一、物料衡算·············································10二、热量衡算·············································112.3理论塔板数和实际塔板数的计算······················16一、理论塔板数的计算·····································16二、全塔效率的估算·······································17三、实际塔板数···········································17精馏塔主要尺寸设计计算3.1基础物性数据计算··································17一、液相平均密度及液相体积流量的计算·····················17二、气相平均密度及气相体积流量的计算·····················18三、液相平均表面张力的计算·······························183.2塔径的计算········································193.3塔高的计算········································20一、塔板间距的估算·······································20二、溢流装置·············································20三、塔的有效高度和总高度·································20塔盘的设计和计算4.1塔板布置··········································224.2筛孔计算和排列····································22塔板流体力学性能5.1塔板流体力学性能的参数及校核·····················235.2塔板性能负荷图····································255.3筛板设计计算的主要结果····························27塔附属设备的选型及计算····························28一、换热器的选型及计算···································28二、原料预热器···········································30三、塔底再沸器···········································316.1相关管路管径的确定································336.2泵的选型与计算····································346.3储罐的选型与计算··································35参考著作和文献···········································37结束语···················································38Ⅲ.附录说符号明图纸Ⅰ.设计任务书化工原理课程设计任务书（2012级雷霆队）设计题目生产过程中欲分离