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·················································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···········································112.6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·························································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·····················································15I毕业设计说明书3.1.1筒体壁厚计算························································153.1.2筒体壁厚校核·········································...
