▎ 摘　　要

NOVELTY - The utility model claims a device for heating crude oil pipeline by graphene film, wherein the technical solution is as follows: the outer side of the raw oil pipeline is adhered and connected with an insulating mica sheet by a structural adhesive; the inner side of the insulating mica sheet is provided with a graphene heating film; two ends of the graphene heating film are connected with a red copper strip electrode through a conductive silver paste; the outer side of the insulating mica sheet is provided with a high-efficiency insulating rock cotton layer; the outer surface of the raw oil pipeline is provided with a heat conducting carbon fibre layer; the outer surface of the heat conducting carbon fibre layer is provided with a heat conducting graphite film; the inner wall of the raw oil pipeline is provided with a guide spiral groove; The utility model uses graphene heating film as heating body, insulating mica sheet for insulating and red copper strip electrode as the electrode; when heating the crude oil pipeline, the graphene heating film can be heated more uniformly, and can be segmented heating, so as to reduce the phenomenon that the crude oil pipeline appears wax on the crude oil pipeline wall.