... coal, iron powder, coke, aluminum powder, scrap iron, iron oxide skin, toner, toner, slag, gypsum, tailings, sludge, kaolin, activated carbon ... materials, good economic and social benefits.Parameters of coal powder briquette machine : Model No. Roller diameter ... kg/hZQ350ARD430430mm15KW1000-1500 kg/hZQ400AFeatures of coal powder briquette machine : Wide usage for different refractory powder and metal ...