▎ 摘 要
NOVELTY - The utility model claims a three-layer pipeline with high graphene intensity, comprising a first layer pipeline, a second layer pipeline and a third layer pipeline, the first layer pipeline is sleeved on the second layer pipeline, the second layer pipeline is sleeved on the third layer pipeline, the first layer pipeline; the cross sections of the second layer pipeline and the third layer pipeline are annular and concentrically set; the first layer pipeline and the second layer pipeline are connected by glue; the first layer pipeline; the second layer pipeline and the third layer pipeline are provided with multiple cavities; the cavity is filled with steel material; the first layer pipeline is fixed with a triangular reinforcing rod; it has high pipeline strength.