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原理

物料由料斗經螺旋輸送器進入粉碎室，被高速旋轉的刀片剪切粉碎，粉體越過導向圈進入分級室，因分級輪是旋轉的，流入葉道內的粉體同時受到空氣動力和離心力的作用。粉體中大于臨界直徑(分級粒徑)的顆粒因質量大，被甩回粉碎室繼續粉碎，小于臨界直徑的顆粒通過負壓風運的方法經出料管進入旋風分離器、袋式除塵器，排出物料達到產品的要求。

Principle

The materials enter the crushing chamber from the hopper through the spiral conveyor, and then are crushed by the high-speed rotating blade. The powder enters the classifying chamber across the guide ring. As the classifying wheel is rotating, the powder in the blade channel will be impacted by the air force and centrifugal force. Particles among the powder with their size larger than the critical diameter (classifying particle size) will be returned to the crushing chamber for further crushing, while particles smaller than the critical diameter will be transferred to the cyclone separator and bag dust remover through the discharging pipe in the mode of negative-pressure air discharging. The discharged materials