1、 毕业设计任务书 课题名称 流体输送与传热工段换热器的计 课题性质 设 计 系 名 机 械 工 程 系 专 业 过程装备及其自动化 I 摘要摘要 换热器是将热流体的部分热量传递给冷流体， 实现化工生产过程中热量交换 和传递不可缺少的设备。 本文以固定管板式管式换热器为研究对象，对换热器的发展、背景、分类和 用途进行了阐述。本文主要以水和导热油为介质，第二章以此对换热器进行了计 算，换热器的外部设计包括它的筒体的设计、封头的设计、管箱和换热器支座的 设计。换热器的内部设计包括换热管的尺寸、固定管板的厚度的计算，同时还进 行了水压试验。 除了上述以外，换热器的研究内容还应包括它的管法兰、开孔、接管
2、处的零 部件，还有它的附件等等。 关键词关键词： 换热器 压力容器 固定管板式 II ABSTRACT Heat exchanger is part of the thermal fluid heat transfer to a cooling fluid, to achieve chemical processes essential heat exchange and transmission equipment. In this paper, fixed tube plate and tube heat exchanger as the research object, the deve
3、lopment of the heat exchanger, background, classification and use are described.In this paper, water and thermal oil as the medium, the second chapter as the calculation of the heat exchanger, heat exchanger tube external design, including its design, head of design, tank and heat exchanger tube bea
4、ringdesign.The internal design of heat exchanger tubes, including the size, fixed tube sheet thickness calculation, and also conducted a pressure test. In addition to the above, the heat exchanger of the research should also include it in the pipe flange, opening, took over at the parts, as well as its accessories and more. KEYWORDS: heat exchanger ；pressure vessel；fixed heat exchange 1 第一章 化工概论 化工设备是化工生产过程的具体实现者， 化工设备是否正常直接关系到生产 的安全和稳定1。其用途主要用于给工作介质提供热量、有的用与热量交换、有 的用于传质和分离、完成化学和物理反应、储存
