直埋供热管道的预热方式

Concerning on preheating method of directly-buried heat supply pipes

介绍了直埋供热管道的几种预热方式的原理、技术特点及预热的条件、步骤及预热中的一些注意事项,对各预热方式进行了比较,得出了各种预热方式的优点和弊端,指出实际工程中应综合考虑各方面因素以选取合适的方式。

This paper describes the principles, technical characteristics, preheating conditions, procedures, and matters needing attention of several preheating methods of directly-buried heat supply pipes, compares and concludes advantages and disadvantages of each preheating method, and points out that comprehensively considering various factors is the way to select suitable method in actual engineering.