XXXX 大学
毕 业 设 计 说 明 书
设计 Q 扣 1：1459919609 Q 扣 2：1969043202 学 专 题 院： 业： 目：
浮头式换热器的设计
指导教师：
职称: 职称:
20**...................................................................................................................................................... 21 前言..................................................................................................................................................................... 1 1 热力计算......................................................................................................................................................... 1 1.2 定性温度和物性参数计算.......................................................................................................................2 1.3 初选结构...................................................................................................................................................2 1.4 管程换热计算及流量计算.......................................................................................................................3 1.5 壳程换热计算...........................................................................................................................................4 1.6 传热系数...................................................................................................................................................5 1.7 管程压降...................................................................................................................................................6 1.8 壳程压降...................................................................................................................................................7 1.9 压强校核...................................................................................................................................................8 2 结构设计......................................................................................................................................................... 9 2.1 换热流程设计...........................................................................................................................................9 2.2 管子和传热面积.......................................................................................................................................9 2.3 管子排列方式...........................................................................................................................................9 2.4 壳体.........................................................................................................................................................10 2.5 管箱......................................................................................................................................................... 11 2.5.1.封头.................................................................................................................................................. 11 2.5.2.箱壳.................................................................................................................................................. 11 2.6 固定管板................................................................................................................................................. 11 2.7 分程隔板.................................................................................................................................................12 2.7.1 管程分程隔板..................................................................................................................................12 2.7.2 壳程分程隔板..................................................................................................................................12 2.8 折流板.....................................................................................................................................................12 2.9 拉杆.........................................................................................................................................................13 2.10 进出口管...............................................................................................................................................13 2.10.1.管程进出管....................................................................................................................................13 2.10.2.壳程进出口管................................................................................................................................14 2.11 浮头箱................................................................................................................................................... 14 2.12 浮头.......................................................................................................................................................14 2.13 补强圈...................................................................................................................................................15 2.14 法兰.......................................................................................................................................................15 2.14.1 法兰密封面的型式........................................................................................................................15 2.14.2 壳体法兰........................................................................................................................................16 2.14.3 接管法兰........................................................................................................................................16