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··························

2、·························11.1.2本设计的研究意义···················································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··················

3、························51.5换热器的发展动向VII毕业设计说明书·················································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···················

4、··································81.7.2本设计的研究方法·····················································92蛇管式换热器整体结构设计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·····

5、····················································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···········································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

6、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·························································132.10筒体法兰尺寸的确定··········································

7、··········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························································153.2封头壁厚计算及校核··············

8、······································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················