... .Stable performance & Best service New Design Three Drum Sand Rotary Dryer hot sale in EuropeOur new ... the body, heating efficiency up to 80%(single drum dryer heating efficiency is only 35%), lower comsumption, ... , easy maintenance.4, Heating efficiency, outer drum temperature is lower than 60°C, but the ... stove, oil gas, LPG, etc.B.ApplicationThree drum rotary dryer is mainly for the materials with ...