1.Wheel roller mixer; 2.It is used for blending coal powder or charcoal powder; 3.1.3m diameter 4.High efficiency ... roller mixer: Wheel roller mixer is mainly for crushing coal powder, charcoal powder, slime, middlings, coking coal, coke breeze, dusting ash ... bigger pressure and quick forming speed, and widely used in thermal power plant, refractories factory, fertilizer factory, and metallurgy and ...