Heat preservation device for cold supply pipe network

• Main Authors: DU RULIN, LIU JIAN, YANG JINGDONG, LIU YIN, NI BAOLONG, HUANG YANHUA, LI TAO
• Format: Patent
• Language: Chinese; English
• Published: 18.04.2023
• 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

A heat preservation device of a cooling pipe network comprises a polyethylene inner pipe and a glass fiber reinforced plastic outer pipe, a rubber layer is wrapped outside the polyethylene inner pipe, a polyurethane layer is arranged outside the rubber layer, a rock wool layer is arranged on the inner side of the glass fiber reinforced plastic outer pipe, the polyethylene inner pipe is arranged in an inner cavity of the rock wool layer in a sleeved mode, and a plurality of supporting edges are arranged between the inner wall of the rock wool layer and the polyurethane layer. The cold supply pipe is provided with the inner pipe and the outer pipe, the isolation space is arranged between the inner pipe and the outer pipe, the outer wall of the inner pipe and the inner wall of the outer pipe are respectively provided with a heat preservation structure, and the heat preservation structure is combined with air isolation to improve the heat preservation effect of the cold supply pipe. 一种供冷管网保温装置，包括聚乙烯内管和玻璃钢外管，聚乙烯内管