... service time, easy maintenance.4, Heating efficiency, outer drum temperature is lower than 60°C, but the single drum surface ... only max 60 °C for easy discharging.5, Lower temperature of the outlet, it is good for using the dust- ... typeScrew movingDrum Filling rate10-20%Steels gradeheat-resisting,stainless steelDryer Temperature≤700C°Evaporation intensity20-80Kg water/m3.hHeating typeDirect flow, ...