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