Hazardous waste pre-treatment device

The utility model discloses a hazardous waste pre-disposal device, which relates to the technical field of hazardous waste disposal, and specifically comprises a device box, a disposal cavity is arranged in the device box, a grating plate is arranged in the disposal cavity, at least four material barrels are arranged at the top of the grating plate, a support column is fixed on the outer side wall of the device box, and the support column is fixed on the outer side wall of the device box. A top plate is arranged on the tops of the supporting columns, a placing plate is arranged on the top of the top plate, a motor is installed on the top of the placing plate, and a first rotating shaft and a second rotating shaft which penetrate through the placing plate are rotationally connected to the placing plate through bearings. Water temperature is adjusted according to material characteristics and analysis test data, interlocking of the temperature and the steam adjusting valve is achieved, the valve with high temper