Its raw material is anthracite and charcoal dust, using carbonizationactivation and the proper bond these advanced craftwork to get the black pellets. It can be used in barbecue, heating and so on. It is without smoke and smell, has high heat productivity, its diameter can be 3-30mm.Model Capacity(t/h) Rotational speed(r/min) Powder (kw) Size(mm) II 400-600 46-60 7.5-11 30-40 III 600-800 38-50 18.5-22 30-60 IV 800-1300 40-50 55-75 20-80