... Drum dryer can dry various matrials with high capacity and low cost which can matched with various burners. Appliction ... in mine ,building material ,chemical ,metallurgy ,cast industries and so on.It can dry material such as sand , ... ,fly ash ,coal ,iron powder,quartz sand ,ore and so on . Feature of 3 Drum dryer :1.High ... 60% fuel.4.The fuel can be coal ,oil and gas.5.With the heat resisting ,hear wearing ...