... Drum dryer can dry various matrials with high capacity and low cost which can matched with various burners. ... 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. ... 60, it can keep producing and packing without stop .8.Without the big and small gears,it work with ...