三偏心蝶阀的蝶板偏心角及回转中心位置的优化设计Optimal Design of Butterfly Plate Eccentric Angle and Rotation Center Position for Tri-eccenter Butterfly Valve
李咸有
Li Xianyou;
摘要(Abstract)：
介绍了三偏心蝶阀的密封结构特点和工作原理 ;以减小密封宽度bm 为目的 ,分析了蝶板偏心角α的计算与选择方法 ;为了减小摩擦力矩并且使蝶板关闭时弹性变形均匀 ,介绍了蝶板回转中心最佳位置的设计计算方法 ,对确定其回转中心的相关条件和几何参数作了分析
Sealing features and principle of tri-eccenter butterfly valve are introduced. The calculation and selection method of butterfly eccentric angle α are analyzed. Design and calculation method of optimal position of butterfly plate rotation center are introduced and relevant condition and geometrical data to determine the rotation center are analyzed.
关键词(KeyWords)：
蝶阀;偏心角;密封;回转中心
butterfly valve,eccentric angle,sealing
基金项目(Foundation):
作者(Authors):
李咸有
Li Xianyou;