蛇管式换热器毕业设计.doc

目录摘要····································································Ⅲ ABSTRACT ·····························································Ⅳ 1绪论 本设计的研究背景和意义················································1 本设计的研究背景···················································1 本设计的研究意义···················································1 换热器在生产中的作用和地位············································1 换热器的分类··························································2 换热器的发展及国内外研究现状··········································5 换热器的发展动向·················································6 三维造型技术的应用··················································6 本设计的研究内容及方法·················································8 本设计的研究内容·····················································8 本设计的研究方法·····················································9 2 蛇管式换热器整体结构设计 管径及介质进入蛇管内外的选择···········································9 冷热流体物性数据的确定·················································9 ·························································9 蛇管长度及组数的确定···················································10 管间距 h和内、外圈间距 t的确定··········································· 筒体直径及材料、蛇管圈数及高度的确定···································· 封头尺寸及材料的确定···················································12 吊耳尺寸的确定·························································13 支座尺寸的确定·························································13 参???································································27 摘要换热器是广泛应用于石油化工、动力、冶金、轻工、制冷等行业的一种通用设备, 因其在化工行业的重要性,换热设备的研究受到世界各国政府及研究机构的高度重视。其性能的好坏不但直接影响到各部门生产的顺利进行和对产品质量的控制,并且可能造成其自身的高能耗、低效率及可靠性差等诸多问题。本设计完成了蛇管式换热器的选型、总体结构设计等内容, 运用三维绘图软件 Solidedge 对换热器的各个零部件建立三维参数化模型,并对换热器的部分零部件进行了校核。????蛇管式换热器;结构设计;三维造型;强度校核 S tructure D esign and Solid M odeling of Coil H eat E xchanger ABSTRACT As a general equipment, the heat exchanger is widely applyed in petrochemical , power , metallurgy , light industr