Rotary drying device for drying traditional Chinese medicine ointment

The rotary drying device comprises a box body, the box body is of a stainless steel metal plate inner and outer nested structure, a heat preservation and insulation layer is arranged in the hollow portion of the box body, one side of the box body is connected with negative pressure exhaust equipment, and heat exchange coil pipes are arranged on the inner walls of the box body. The utility model relates to the technical field of traditional Chinese medicine ointment liquid processing, a driving mechanism is used for driving a rotating shaft to rotate, the rotating shaft rotates to drive a swing frame to rotate along the rotating shaft, the rotating shaft rotates to drive the swing frame to rotate along the rotating shaft, and the rotating shaft rotates to drive the swing frame to rotate along the rotating shaft to drive the swing frame to rotate along the rotating shaft. The bottom of the swing frame is always kept in a horizontal state under the action of gravity, the traditional Chinese medicine ointment is