▎ 摘　　要

NOVELTY - Assembly comprises a heating pipe provided with a sealed cavity. The heating pipe is provided with an air inlet and an air outlet that are connected with the sealed cavity. A pipe wall of the heating pipe is provided with a supporting layer, a graphene coating and an insulating heat insulating layer. The supporting layer, the graphene coating and the insulating heat insulating layer are orderly connected from inside to outside. Two ends of the heating pipe are provided with first electrode and second electrode which are electrically connected with the graphene coating. USE - Graphene heating assembly for steam generating device of air fryer (all claimed). ADVANTAGE - The graphene coating is uniformly coated on the outer wall of the supporting layer, and coated with insulating heat insulating layer outside the graphene coating, which can effectively prevent heat loss. By adjusting the voltage at two ends of the heating pipe, so as to adjust the heating heat, by graphene coating to realize heating, compared with the traditional heating mode of resistance wire and so on, the heat loss is small, and the heat efficiency is high.