球阀设计大致过程

本科课程设计 题 目： 过程流体机械课程设计 学 院： 机械与自动控制学院 专业班级： 过程装备与控制工程 姓 名： 学 号： 二O 一六年七月 目 录 摘 要 · ·························································I 第一章 工作原理和设计方法········································· 1 1.1 工作原理··················································· 1 1.2 设计方法··················································· 1 1.2.1 球阀结构·················································· 1 1.2.2 球阀材料·················································· 2 1.2.3 阀体················································ 3 1.2.4 球体················································ 4 1.2.5 阀杆················································ 4 第二章 球阀尺寸计算················································6 2.1 阀体······················································· 6 2.2 阀杆······················································· 6 2.2.1 阀杆尺寸··········································· 6 2.3 球体尺寸计算··············································· 6 2.4 密封比压··················································· 6 2.5 球阀转矩································...