▎ 摘　　要

NOVELTY - The utility model claims a new one based on novel gas pipe is a kind of graphite alkene, comprising inner pipe, anti-damp-proof layer, heat separate fireproof layer and outer pipe, the inner pipe is hollow structure used for conveying gas, inner tube outside is anti-damp-proof layer, moisture-proof protecting layer outside is separate heat fireproof layer, separate fireproof external heat by outer pipe covered outside the outside pipe coating with graphene, gas pipe stratiform structure reasonable, can effective protect the tube body internal inflammable and explosive gas to prevent leakage, the graphene layer with safety and good heat stability and chemistry stability, strong corrosion resistance, coating may used for different metal material surface layer, use range is wide.