1碳酸钙下注式粉体储料仓设计概述..................................................................................................................................................21.1定义....................................................................................................................................21.2料仓的分类........................................................................................................................21.2.1按储存粉体物料的粒度分类................................................................21.2.2按料仓的几何尺寸分类........................................................................31.3物料在料仓中的基本流动形式........................................................................................41.3.1漏斗流....................................................................................................41.3.2整体流....................................................................................................51.4发展现状和趋势................................................................................................................61.5料仓常见故障....................................................................................................................61.5.1粉体偏析................................................................................................71.5.2粉体静态拱............................................................................................71.6防止或减少粉体偏析、结拱的方法.................................................................................81.6.1防止偏析的措施....................................................................................81.6.2常用的破拱措施....................................................................................9二、结构设计...................................................................................................................................92.1简介：料仓的组成............................................................................................................92.1.1筒仓........................................................................................................92.1.3闸门......................................................................................................112.2粉体压力计算计算原理..................................................................................................112.2.1内摩擦角..............................................................................................112.2.2壁摩擦角..............................................................................................132.2.3Janssen公式.........................................................................................132.3结构尺寸设计..................................................................................................................162.3.1高度直径的计算..................................................................................172.4应力校核..........................................................................................................................172.4.1轴向应力计算......................................................................................172.4.2料仓顶部载荷在仓筒中产生的轴向应力..........................................172.4.3由最大弯矩在仓筒中产生的轴向应力...
