Quenching cooling device for thick-wall steel pipe

• Main Authors: XUE JIEPING, SHE XIAOBIN
• Format: Patent
• Language: Chinese; English
• Published: 28.11.2023
• Subjects: CHEMISTRY; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS; METALLURGY; METALLURGY OF IRON; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS

The utility model relates to a quenching cooling device for a thick-wall steel pipe, which comprises a water tank with an opening at the top, a positioning block fixed in the water tank, two carrier rollers arranged on the positioning block, a steel pipe to be quenched and cooled placed at the top between the two carrier rollers, a water inlet pipe inserted into the water tank, a water injection nozzle arranged at one end of the water inlet pipe, and a water outlet pipe arranged at the other end of the water inlet pipe. The water injection nozzle extends into the steel pipe, the other end of the water injection nozzle is communicated with the water storage pond through a water pump, water in the water storage pond is sprayed to the inner wall of the steel pipe through the water pump, a through hole is further formed in the water tank, a water outlet pipe is connected to the through hole, the other end of the water outlet pipe is communicated with the cooling pond, and a cooling water outlet pipe and a cooling