Three-walled corrugated pipe production equipment

The utility model provides three-walled corrugated pipe production equipment, which comprises a first extruder, a first forming mold, a first former, a cooling traction device, an electric heating device, a second extruder and a coating mold. The first extruder is respectively connected with the first forming mold, the first former, the cooling traction device and the electric heating device according to sequence of operations so as to form first production equipment which is used for forming a smooth internal wall and a corrugated middle layer; the second extruder and the coating mold form second production equipment which is used for forming a smooth external wall; the second production equipment carries out subsequent processes of the first production equipment and forms forming equipment of a three-walled corrugated pipe together with the first production equipment; and a vacuum sizing device is further arranged for subsequent processes of the forming equipment. The three-walled corrugated pipe produced according to the production equipment and method provided by the utility model is a three-walled corrugated pipe with the advantages of a double-walled corrugated pipe and a round pipe.