本科毕业论文设计题目：5万吨/年粗甲醇精制车间工艺设计TheDesignof50000TonsPerYearofCrudeMethanolRefiningWorkshop系别：班级：姓名：指导教师：2015年6月1日目录第一章概述.........................................................................-1-1.1甲醇的理化性质..............................................................-1-1.1.1物理性质..............................................................-1-1.1.2化学性质..............................................................-1-1.2甲醇产品主要用途............................................................-1-1.3甲醇行业发展现状............................................................-2-1.3.1国内现状..............................................................-2-1.3.2国外现状..............................................................-2-第二章甲醇精馏车间设计.............................................................-3-2.1甲醇精馏工艺过程概述........................................................-3-2.2常见工艺[6]比较..............................................................-3-2.2.1单塔精馏..............................................................-3-2.2.2双塔精馏..............................................................-3-2.2.3三塔精馏..............................................................-4-2.3设备选型....................................................................-5-2.3.1精馏塔................................................................-5-2.3.2其他..................................................................-6-2.4设计工艺说明................................................................-6-第三章工艺计算.....................................................................-8-3.1物料衡算....................................................................-8-3.1.1设计要求..............................................................-8-3.1.2计算过程..............................................................-8-3.2能量衡算...................................................................-11-3.2.1预精馏塔热量衡算.....................................................-11-3.2.2加压塔热量衡算.......................................................-13-3.2.3常压塔热量衡算.......................................................-14-3.2.4精馏系统能量结果汇总.................................................-15-第四章常压精馏塔设计..............................................................-17-4.1基础数据...................................................................-17-4.2塔板数的计算...............................................................-18-4.2.1处理能力.............................................................-18-4.2.2最小理论板数Nm.......................................................-18-4.2.3最小回流比Rmin.......................................................-19-4.2.4进料位置ND...........................................................-20-4.2.5实际理论板数NT.......................................................-20-4.2.6全塔效率的估算ET.....................................................-21-4.3精馏段与提馏段的体积流量...................................................-21-4.3.1精馏段...............................................................-21-4.3.2提馏段...............................................................-23-4.4塔径计算.............................................
