摘要：气流粉碎分级是一种先进的制取超细、微粉技术，本文对影响气流粉碎分级的主要因素进行了分析论述，比较了不同结构、不同控制参数的影响作用，提出了匹配工艺参数和择优结构的方法。

关键词：气流粉碎；分级；工艺参数

Abstract:Stream grinding and classifying are advanced technology. This paper presentsmain factors of affecting stream grinding and classifying, compares the applications of differentstructures and factors and points out that making every factor order is very important

Keywords：gas stream impacting ;grading ;technical parameter