Polyurethane thermal insulation pipe adopting PERT pipe as working pipe

• Main Authors: LI ZHONGJIE, SUN FENGYAN, LI ZHONGJUN
• Format: Patent
• Language: Chinese; English
• Published: 05.08.2022
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model discloses a polyurethane thermal insulation pipe adopting a PERT pipe as a working pipe, and relates to the technical field of pipeline equipment, the polyurethane thermal insulation pipe comprises an outer protective pipe, a positioning support, a polyurethane thermal insulation layer and the working pipe, the working pipe is in the shape of a circular pipe and adopts the PERT pipe, the polyurethane thermal insulation layer and the outer protective pipe are sequentially installed on the outer wall of the working pipe from inside to outside, and the outer protective pipe is provided with an outer protective pipe. The polyurethane heat preservation layer is fixedly connected with the working pipe through a positioning support, and the two ends of the positioning support are tightly attached to the outer wall of the working pipe and the inner wall of the outer protection pipe respectively. The structure of the working pipe and the structure of the outer protective pipe are optimized respective