... dryer of widely use 1.Used for sand,sawdust,coal,palm fibre,slag,mineral powder,etc. 2.ISO9001 and 3C Industrial Rotary dryer ... of widely use Rotary dryer is widely used for sand, sawdust, coal, ... structure, high efficiency, low energy consumption. Working principle :Rotary dryer mainly consists of rotary body, raw material feeding plate, lifting ...