摘要：通过对石英砂物料在不同实验条件下的粉碎结果分析，论述了流化床式超细气流粉碎机工艺参数对产品粒度的影响。

关键词：石英砂;流化床;超细粉碎;

Abstract：By analysing the comminution results of quartz powder under the different exprimental conditions, the effects of technological parameters of fluid- bed air impact crusher on theparticle size of products were discussed.

Key words：quartz powder; fluid - bed; ultrafine comminution