... roller mixer; 2.It is used for blending coal powder or charcoal powder; 3.1.3m diameter 4.High efficiency Introduction of ... roller mixer: Wheel roller mixer is mainly for crushing coal powder, charcoal powder, slime, middlings, coking coal, coke breeze, dusting ash, pond ... slob, fire coat, steel slag, iron fine power, aluminum ash powder etc. And process to be required shape, such as ...