High-temperature inactivation device

The utility model belongs to the technical field of sterilization equipment, and particularly relates to a high-temperature inactivation device which comprises an inactivation box, a cover body arranged at the upper end of a fire extinguishing box, a placement box fixedly arranged on the lower end face of the cover body, an air injection heating assembly arranged on one side of the inactivation box and a pressure relief assembly arranged on one side of the top of the fire extinguishing box. A plurality of evenly-distributed vent holes are formed in the bottom and the peripheral side walls of the containing box in a penetrating mode, a rotatable box door is arranged on the front end face of the containing box, one side of the box door is connected with the containing box through a hinge, and the end, away from the hinge, of the box door is connected with the containing box through a plug pin. The defects in the prior art are overcome, high-temperature steam is used for carrying out high-temperature inactivatio