合肥工业大学(宣城校区)化工原理课程设计说明书-分离甲醇水混合物的板式精馏塔设计.docx

课程设计设计题目分离甲醇、水混合物的板式精馏塔设计学生姓名学号专业班级指导教师姚运金2015年7月3日合肥工业大学课程设计任务书设计题目分离甲醇、水混合物的板式精馏塔设计成绩课程设计主要内容设计任务：设计一座分离甲醇、水混合物的连续常压精馏塔生产能力：100000吨甲醇/年；液料含甲醇40wt%，馏出液含甲醇不少于98 wt %，残夜含甲醇不大于0.05wt%。操作条件：（1）泡点进料，回流比需优化。（2）塔釜加热蒸汽压力：间接0.2MPa（表压），直接0.1MPa（绝压）。（3）塔顶全凝器冷却水进口温度20℃。（4）常压操作。年工作日300~320天，每天工作24小时。（5）设备形式：筛板塔。（6）安装地点：安庆任务来源：中国石油化工股份有限公司安庆分公司设计主要内容：工艺流程的确定，工艺流程采用计算机仿真设计，塔和塔板的工艺尺寸计算，塔板的流体力学验算及负荷性能图，辅助设备的计算与选型，主体设备的机械设计。设计报告：1、设计说明书一份。2、主体设备总装图一张（1#图纸），带控制点工艺流程图（3#图纸）一张。指导教师评语建议：从学生的工作态度、工作量、设计（论文）的创造性、学术性、实用性及书面表达能力等方面给出评价。签名： 2015年 月 日目录摘要···································································1绪论···································································2一、板式精馏塔设计流程说明·········································3（一）设计方案的确定···············································31、装置流程的确定············································32、操作压力的选择············································33、进料状况的选择············································44、加热方式的选择············································45、回流比的选择··············································4塔板的类型与选择············································5泡罩塔···················································5筛板塔···················································53、浮阀塔···················································5二、板式精馏塔的设计计算···········································6（一）精馏塔全塔物料衡算···········································6（二）回流比和塔板数的确定·········································7（三）灵敏度分析·················································10用详细计算模块（RadFrac）进行计算·························13三、塔和塔板主要工艺尺寸计算·····································20（一）塔径························································20（二）溢流装置····················································26（三）塔板布置····················································29（四）筛孔数目与开孔率············································30（五）塔的有效高度················································31（六）塔的实际高度的算·············································31四、筛板的流体力学计算···········