集中供热工程河道内安装预制保温管道接头施工工艺

Thermal insulation construction process for installing prefabricated heat preservation pipeline in central heating project

分别介绍了热收缩带式聚乙烯套袖接头保温、电热熔焊式接头保温和电热熔焊+热收缩带双密封式接头保温三种集中供热管道工程保温工艺及其基本性能,重点探讨了保温管在河道内或地下水位高的环境下,接头保温的施工方法,以及在施工中应注意的问题。

Respectively introduces the heat shrinkable belt type polyethylene insulation sleeve joint, electric welding joint type thermal insulationand electric welding ＋ heat shrinkable belt double sealed insulation joint three kinds of centralized heat supply pipeline engineering thermal insulationtechnology and its basic properties, discussed the thermal insulation pipe or high underground water level in the channel environment, jointconstruction method of the heat preservation, as well as the problems that should be paid attention to in the construction.