Energy-saving and environment-friendly coating heating device

The invention discloses an energy-saving and environment-friendly coating heating device in the field of coatings. The device comprises a heating barrel, a base is arranged at the bottom of the heating barrel, a sealing cover is arranged at the top of the heating barrel, a coating barrel is arranged in the heating barrel, a support shaft is fixed at the center of the bottom of the coating barrel, the bottom end of the support shaft extends to the base, and a motor is mounted in the base. The output end of the motor is connected with the bottom end of the support shaft, heating pipes are installed on the portions, located on the two sides of the coating barrel, of an inner cavity of the heating barrel, joints of the heating pipes are installed on the outer wall of the heating barrel, a feeding port and a discharging port are formed in the top and the bottom of the outer wall of the coating barrel respectively, and a barrel door is further hinged to the outer wall of the heating barrel. A control panel, a power