... ,made up of tipping bucket feeder Rotary Sand Drying Machine/ Equipment is used for drying the fresh sand, also raw gypsumFeature:1. ... has compact structure, stable, efficient, low energy consumption and good drying effect.3. Burning furnace has two styles: one using ... drum, burning furnace; the unit gathers with vibrating sieve and dust remove Air ventilation system. The Investment is less, effective ...