| 摘要 |
PURPOSE: Heat treatment method and device of a corrugated protective pipe are provided to curb the oxidation of a corrugated protective pipe by minimizing the exposure of the surface of the corrugated protective pipe heated by forming a barrier on the outer surface of the corrugated protective pipe. CONSTITUTION: A heat treatment method of a corrugated protective pipe is as follows. A corrugated protective pipe(10) is vertically supplied to a cooling storage bath(110) continuously. A first heating member(120) is installed on the path of the corrugated protective pipe continuously supplied to the cooling storage bath. The corrugated protective pipe is heated by the first heating member before being supplied to the cooling storage bath. A cooling member(130) is arranged close to the first heating member and comprises a plurality of cooling fluid nozzles(131). The cooling member sprays cooling fluid to the corrugated protective pipe heated. |
