The drum type hot air dryer is a kind of drying equipment commonly used in the drying process of the food industry. It is mainly used to dry various fine particles or powder materials. The materials are put into the drum for continuous rotary mixing, and at the same time, high temperature hot air is sent into the drum to dry the materials. This series of dryers are made of 304 stainless steel, semi closed drying and continuous operation; Its main advantages are dynamic drying, high thermal efficiency and uniform heating of materials; No material leakage and easy cleaning when drying powder materials; There are two kinds of specifications available: electric type and gas type.