High-strength wear-resistant composite pipe for powder slag

The utility model provides a high-strength wear-resistant composite pipe for powder slag, which comprises an outer pipe, and a first polyurethane layer is glued on the inner wall of the outer pipe; a second polyurethane layer is arranged on the inner side of the first polyurethane layer, and a steel net rack is embedded between the first polyurethane layer and the second polyurethane layer; an inner branch pipe is glued to the inner side of the second polyurethane layer; connecting, splicing and fixing pipe structures are installed on the front side and the rear side of the interior of the inner branch pipe. Connecting flanges are embedded into the front end and the rear end of the outer pipe; an anti-collision protection sleeve structure is installed on the outer wall of the outer pipe. According to the utility model, through the arrangement of the connecting and splicing fixing pipe structure, the threaded inner pipe is matched for sealing when being connected with the inner branch pipes, so that the sealin