The peeling machine is fixed on the pipeline through a double chain and connected with the sprocket, and the peeling machine is moved along the chain path by the sprocket; the wire brush is rotated by the motor to contact with the anticorrosion layer of the steel pipe Polishing will scratch the coating. The equipment has the characteristics of light weight, convenient disassembly and assembly, smooth transmission, low energy consumption, long service life, on-site operation and simple and convenient method. Use Φ325-Φ1420 and other diameter.