摘要：论述了微粉射流分级机工业样机的结构与工作原理和利用正交试验寻求该分级机最优控制参数的试验过程与理论分析方法。

关键词：超细粉;射流分级机;正交试验;

Abstract:The structure and operation principle of fluidic classifier prototype of superfine pow der are described．The cross-experimental process of King the optimal controlling parameters for classifier and theoretical analysis method are also discussed． 

Key words:classifier；superfine pow der； cross experiment