... 1.High quality charcoal powder mixer 2.used for blending coal powder or charcoal powder 3.1.5m diameter 4. 7 ... powder mixer machine for coal powder 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 and ...