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U形管换热器设计说明书毕业论文.doc
38页1、U形管换热器设计摘 要本次毕业设计的题目是U形管换热器设计,它的实用意义很大,因为U形管换热器在工业生产中应用很多。它属于管壳式换热器,它的优点不少,其他换热器不能替代。随着我国工业快速的发展,相关技术也有了突飞猛进的发展,总结出了很多设计经验,它涵盖了与之有关的所有标准与规定。所以说对于U形管换热器的设计,并不是那么复杂,当进行结构设计和部件选型的时候可以查相关的国家标准来选定,若标准未能达到设计的要求,可以根据具体情况进行选定,但要注意进行精确的计算与准确的试验。有关的它的强度的计算,液压试验也有系统的标准和规定,其试验结果不能超过规定值。有关它的制造与安装工艺也比较成熟,这些都有利于它的设计。关键词:U-Tube Heat Exchanger Design Author : Wu Lei Tutor : Li Hui AbstractThe topic of this graduation design is u-tube heat exchanger design, its practical significance is very big, because the u-tu
2、be exchanger used in industrial production. It belongs to the tube and shell heat exchanger, and its advantages, cannot replace other heat exchanger. The u-tube heat exchanger structure is relatively not so complicated, design is relatively easy. In addition, with Chinas rapid industrial development, related technologies also have the development by leaps and bounds, summarizes a lot of design experience it covers all the relevant standards and regulations. So for the design of u-tube heat excha
3、nger, is not so complicated, when for structural design and selection of parts can be selected to check the relevant national standards, if standard failed to meet the design requirements, can be selected according to the specific situation, but must pay attention to the precise calculation and accurate test. About the calculation of its strength, hydraulic test also has a system of standards and regulations and the rest result cannot exceed the specified value. About its manufacturing and insta
4、llation technology is more mature, these are conducive to its design.Key words: U-tube heat exchanger, The structure design, Strength calculation, The hydraulic pressure test 目 录1 绪论11.1 管壳式换热器的概述11.2 本次毕业设计的目的21.3 设计要求21.4 设计步骤2 1.4.1 准备阶段2 1.4.2 机械结构设计32 工艺计算42.1 传热工艺计算4 2.1.1 换热器设计的原始数据4 2.1.2 确定设计方案4 2.1.3 确定物性数据5 2.1.4 有效平均传热温差5 2.1.5 由换热面积估算热流量6 2.1.6 冷却水用量6 2.1.7 被冷却热空气用量6 2.1.8 结构工艺初设计6 2.1.9 传热系数核算7 2.1.10 压降校核112.2 换热器的结构设计14 2.2.1 换热管的设计14 2.2.2 壳体的设计15 2.2.3 管箱和封头15 2.2.4 接管和接管法兰17 2
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