... 2. fast delivery 3. low energy consumption The drum dryer, sawdust drum dryer:1. principle of workDrum-dryer is tilted slightly ... , less malfunction, long service life, which have been widely used of the drying industry. 3.the sphere of applicationFirst, from ... .Second, from the material scope of application, it is widely used in mnerals, building material, chemical products, fertilizer, organic poder, ...