Fuente: WIPO "industrial hemp" The utility model discloses a heating device for extraction and purification of industrial hemp, which comprises a heating cylinder, the top of the heating cylinder is provided with a vent hole, the heating cylinder is internally provided with an annular groove, the inner wall of the annular groove is fixedly provided with a heating plate, the inner wall of the annular groove is provided with a circular groove, and the circular groove is provided with a through hole. A servo motor is fixedly mounted at the bottom of the heating cylinder, a rotating shaft is fixedly connected to the end of an output shaft of the servo motor, stirring paddles are fixedly connected to the surface of the rotating shaft, a threaded rod is arranged at the end of the rotating shaft, and a round disc is fixedly connected to the surface of the threaded rod; a T-shaped stirring rod is fixedly mounted at the top of the circular disc, and a limiting clamping groove is formed in the top of the heating cylinder; the heating device is beneficial to heating the industrial hemp, ensures uniform heating of the industrial hemp, improves the heating efficiency of the industrial hemp, is beneficial to adjusting the height of the industrial hemp in the heating cylinder, and is convenient for taking the industrial hemp out of the heating cylinder.