Asphalt heating device

The utility model relates to the technical field of asphalt processing, in particular to an asphalt heating device which comprises a tank body, and the tank body comprises a replaceable inner container, a temperature sensing layer, a heating layer, a heat insulation layer and a shell which are sequentially arranged from inside to outside. The upper part, the middle part and the lower part of the inner side of the temperature sensing layer are respectively provided with a temperature sensor; the replaceable inner container is provided with a rotating system, and the rotating system drives the replaceable inner container to rotate; the asphalt heating device further comprises a control device and a display device. The control device is connected with the temperature sensing layer, the heating layer and the rotating system. A wireless transmission device is arranged in the control device and transmits temperature and rotating speed data to a remote mobile terminal, and the control device is operated through the