▎ 摘　　要

NOVELTY - The utility model claims a lining stainless steel pipe, comprising inner wall of the joint main body, the joint main body is provided with a protective layer, the protective layer comprises an anti-corrosion layer and heat-resistant layer, the anti-corrosion layer is located on top of the heat-resistant layer, the anti-corrosion layer comprises graphene epoxy zinc-rich paint layer, zinc silicate coating layer and a polytetrafluoroethylene coating layer, the heat-resistant layer comprises organic silicon resin, phenolic resin layer and hydrogenated acrylonitrile-butadiene resin layer. The utility model is provided with the joint main body, a protective layer, an anti-corrosion layer, refractory layer, graphene epoxy zinc-rich paint layer, zinc silicate coating layer, a polytetrafluoroethylene coating layer, the resin layer, phenolic resin and hydrogenated acrylonitrile-butadiene resin layer using, solving the problem that the existing stainless steel pipe joint in use, due to conveying the medium in the presence of different and the problem of the stainless steel joint service life, reduces the maintenance cost, and improves the practicability of the stainless steel pipe.