The coarse particle from the classifier will be fed back to the mill inlet through an air slide and an impact weighing feeder. and the fine particle carried by air to the classifier bag filter.

• 从分类器出来的粗分子将被一个空气活塞和压缩的重量计量进料器送回到压缩机的入口.；而细分子被空气运到分类囊式集[滤]尘器