... efficiency rotary dryer 3)Low energy consumption 4)ISO Certificate Multi-purpose Rotary Dryer Dryer also named as Drying Machine and ... be dryed.Rotary Dryer Usage: Rotary dryer is used to dry slag, clay, limestone, It is mainly used for cement, ... , building materials industries.Rotary Dryer advantages are as follows: high dry capacity, smooth rotation, low energy consumption, easy operation, high ...