Protection device is carried to concentrated sulfuric acid

The utility model relates to a protection device is carried to concentrated sulfuric acid, including pipeline and fix pipeline at subaerial fixed establishment, have the heat preservation at pipeline outside parcel, and the heat preservation takes spiral winding to fix on pipeline by heat preservation, the outband that wherein keeps warm scribbles corrosion -resistant paint layer on the surface, evenly be provided with the intraformational bump of embedding heat preservation on the pipeline lateral wall, fixed establishment about by two sets of arc block groups become, constitute a ring between two sets of arc pieces, and articulated between the homonymy top of two sets of arc pieces, wherein the opposite side top average level of two sets of arc pieces outwards is provided with the backup pad, evenly be provided with hemispherical arch on the inner arc wall of arc piece. The utility model discloses can guarantee that sulphuric acid is difficult for at the conveyer pipe intercrystalline, and can also protects