粗颗粒在负压差漏斗-立管系统悬料区特性Hung-up Regime of Hopper-Standpipe with Negative Pressure Drop for Coarse Particles
胡庆元,景山,王金福,金涌
摘要(Abstract)：
负压差漏斗－立管系统是化工设备中常见的系统。在本文中主要研究了Geldart－D类物料在此系统中悬料区的特征。实验结果表明：立管底部孔口大小对于悬料区的下限有影响，而对上限无影响；相反，漏斗中的物料高度、漏斗的锥度、立管长度和立管直径对悬料区的操作有很大影响。本文根据实验结果给出了悬料区上、下限的条件。
关键词(KeyWords)： 漏斗－立管系统;悬料区;粗颗粒
基金项目(Foundation):
作者(Author): 胡庆元,景山,王金福,金涌
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