▎ 摘　　要

NOVELTY - The utility model claims a corrosion-resistant sewage pipeline, comprising a pipeline main body, the pipeline main body comprises a substrate layer, a functional layer and an anti-corrosion layer, and the functional layer comprises a diantimony trioxide coating, a polyurethane fibre layer and a polyvinyl alcohol fibre layer; the anti-corrosion layer comprises a zirconium-titanium alloy coating; graphene fibre layer and an aluminium alloy layer; the substrate layer comprises a PVC layer, and the inner side of the substrate layer is connected with the anti-corrosion layer by PP glue water; the outer side of the substrate layer is connected with the functional layer by PP glue water; the polyurethane fibre layer is connected to the inner side of the polyvinyl alcohol fibre layer by PP glue water; the antimonous oxide coating is coated on the inner side of the polyurethane fibre layer. The utility model is provided with a zirconium-titanium alloy coating, anti-corrosion layer of graphene fibre layer and aluminium alloy layer, the inner wall of the pipeline main body has three-layer anti-corrosion purpose, so as to effectively improve the corrosion resistance of the whole pipeline, prolongs the service life, expands the market competitiveness, and meets the interest of the enterprise itself.