▎ 摘　　要

NOVELTY - The utility model claims a circulating heating device for kneading pot, comprising a machine shell and a steam generating water tank, the shell is provided with a steam generating water tank, and the steam generating water tank is provided with a heating pipe, and the heating pipe is plated with graphene heating film; the top surface of the steam generating water tank is connected with a steam connecting pipe. The utility model adopts the heating tube and graphene electric heating film, steam generating water tank is equipped with several heating tubes, heating tube quartz glass tube is plated with a layer of graphene heating film on the inner wall through special process, quartz glass tube two ends of each printing a ring of high temperature resistant silver paste as the electrode, then one end of high temperature melting and sealing; one end is connected with the lead and sealed; the heating pipe is placed in the water; the inner wall of the pipe is electrified and heated; the steam generating water tank in water is heated to boil and generate steam; fully using graphene heating film has strong conductivity; the heating and heat conducting performance characteristic; the planar electric heating film is heated; the temperature rise is fast; the efficiency is high; the energy saving is good.