Disinfecting dryer

The invention discloses a disinfecting dryer. The scheme is as follows: the disinfecting dryer comprises a box body, wherein the upper part of the side wall of the box body is provided with a feed port and a vacuum extraction device, the lower part of the side wall of the box body is provided with a discharging port, the middle part of the upper surface of the inner wall of the box body is provided with a chassis, a vertically-arranged spiral column is hinged to the chassis, helical blades are arranged on the spiral column, and are wrapped by buffer protective layers, the chassis is internally provided with a motor, the spiral column is connected with the motor and is driven by the motor, an ultraviolet lamp is arranged at the upper part in the box body, and a heating layer is arranged at the lower surface of the inner wall of the box body. The invention aims at providing the disinfecting dryer to solve the problem that a vertically-arranged stirrer in the prior art cannot turn plastic particles at the bottom of the dryer upwards, so that the ultraviolet lamp cannot effectively disinfect the plastic particles at the bottom of the dryer.