蛇管式换热器毕业设计

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1、毕业设计说明书目录摘要····································································ⅢABSTRACT·····························································Ⅳ1绪论1.1本设计的研究背景和意义················································11.1.1本设计的研究背景···················································11.1.2本设计的研究

2、意义···················································11.2换热器在生产中的作用和地位············································11.3换热器的分类··························································21.4换热器的发展及国内外研究现状··········································51.5换热器的发展动向VII毕业设计说明书····························

3、·····················61.6三维造型技术的应用··················································61.7本设计的研究内容及方法·················································81.7.1本设计的研究内容·····················································81.7.2本设计的研究方法·····················································92蛇管式换热器整体

4、结构设计2.1管径及介质进入蛇管内外的选择···········································92.2冷热流体物性数据的确定·················································92.3传热面积的计算·························································92.4蛇管长度及组数的确定···················································102.5管间距h和内、外圈间距t的确定···········

5、································11VII毕业设计说明书2.6筒体直径及材料、蛇管圈数及高度的确定····································112.7封头尺寸及材料的确定···················································122.8吊耳尺寸的确定·························································132.9支座尺寸的确定············································

6、·············132.10筒体法兰尺寸的确定····················································143换热器零部件的强度校核3.1筒体壁厚计算及校核·····················································153.1.1筒体壁厚计算························································153.1.2筒体壁厚校核···················································

7、·····153.2封头壁厚计算及校核····················································163.2.1封头壁厚计算·························VII毕业设计说明书·······························163.2.2封头壁厚校核························································163.3支座的选择及校核················