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The utility model effectively solves the heat insulation, sliding lubrication and the waterproof problem of the exposed pipe end of the prefabricated direct buried thermal insulation pipe for the high temperature heat transfer in the urban central heating. The direct buried thermal insulation pipe is widely used for liquid and gas transportation. Pipe network, chemical pipeline insulation engineering, petroleum, chemical, centralized heating and heating network, central air conditioning ventilation pipe, municipal engineering, etc. Directly buried insulation pipe is a direct buried insulation pipe with good insulation performance, safe and reliable, and low engineering cost. It effectively solves the problem of insulation, sliding lubrication and waterproofing of exposed pipe ends of 130°C-600°C high temperature heat transfer prefabricated direct buried insulation pipe in urban central heating. The direct buried thermal insulation pipe not only has the advanced technology and practical performance that the traditional trench and overhead laying pipeline are difficult to compare, but also has significant social and economic benefits, and is also a powerful measure for heating energy saving. The prefabricated direct buried thermal insulation pipe adopts the direct buried heating pipeline technology, which indicates that the development of China's heating pipeline technology has entered a new starting point.
2 The insulation pipe is composed of steel pipe, FRP inner sheath and glass fiber reinforced plastic outer casing, and is characterized by: high temperature insulation insulation layer, lubricating layer and elastic sealing member. The utility model effectively solves the problem of heat preservation, sliding lubrication and waterproofing of the exposed pipe end of the prefabricated direct buried thermal insulation pipe for the high temperature heat transfer of 130 ° C - 600 ° C in urban central heating. Http://news.chinawj.com.cn
Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
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