▎ 摘　　要

NOVELTY - The utility model claims a pipeline for graphene insulating layer structure, relating to the technical field of pipeline heat preservation device. heat preservation structure comprises main body, heat preservation structure body comprises an inner insulating layer are orderly arranged from inside to outside, graphene electro-thermal film, an outer heat insulating layer, graphite alkene self-heating film and an outer protective layer, an inner insulating layer, graphene electro-thermal film, an outer heat insulating layer, graphene is capable of synthesizing rolling cylinder structure self-heating film and an outer protective layer, and two free edges of each cylinder mutually overlapping; one end of the outer surface of the outer protective layer is further provided with a covering layer. transmitting the utility model is provided with inner and outer insulating layer, can effectively control the pipeline internal and external heat by electric heating film heating the graphene, to compensate for the dissipation of the heat of the inner insulating layer by graphene is provided with self-heating film, which can balance the heat dissipation caused by the external low temperature environment.