Types of dryer’s heat transfer 1-1 / Convective heat transfer / sludge dryer, feed dryer, pet food dryer

About convective heat transfer
For example, air moves upward when it becomes lighter by being wormed.As the result, surrounding cool air flow into the place where air being wormed and air convection occurred.This is the same for water and convective heat transfer takes place while wormed water move upward and cool water which was originally there pushed down.One of convective heat transfer typed dryers is box shape dryer.