热缠绕直埋保温管的技术经济分析

Technological Economic Analysis of TwistingThermal Insulated Direct-Buried pipe

介绍了热缠绕保温管的生产工艺流程，并与国内传统生产直埋保温管的方法进行了对比；文中还对热缠绕直埋保温管与地沟敷设保温管做了技术经济分析。

This paper describes the technological process in producing twisting thermal insulated pipe and compares it with the traditional method in China.In the paper,a technological economic analysis is made as well to compare the twisting thermal insulated direct-buried pipes with underground tunnel laying ones.