▎ 摘　　要

NOVELTY - The utility model claims a heat preservation type plastic pipeline, comprising a plastic pipe body, the inner wall of the plastic pipe body fixedly connected with heat preservation inner pipe, the inner wall of the heat preservation inner pipe fixedly connected with with a corrosion resistant plastic pipe, the inner part of the plastic pipe body fixedly connected with with a reinforcing layer; the inner fixedly connected with of the reinforcing layer is equidistantly arranged with reinforcing ribs, the inner fixedly connected with of the reinforcing layer is equidistantly arranged with graphene strip, the inner ring of the reinforcing layer fixedly connected with a first anti-cracking layer, the inner ring of the first anti-cracking layer fixedly connected with a second anti-cracking layer. The utility model has reasonable design structure, it can be made of aluminium oxide through the wearable layer; it can strengthen the wear resistance of the plastic pipe body, the service life of the plastic pipe body is prolonged, the insulating layer is made of silicon carbide fibre, it can improve the insulating effect of the plastic pipe body, sealing the other pipeline by the cooperation of the sealing ball and the sealing ring, improving the tightness of the connecting part of the plastic pipe body.