发热电缆保温方案在地铁给排水、消防系统中的应用

Application on Heating Cable in Temperature Insulation of Metro Drainage, Fire Protection Systems

地铁给排水、消防系统管线的防冻是北方地区地铁冬运重点关注的问题。介绍了主动式电保温方案,并在特性、节能、安装与故障处理和自控性能等方面对自限温发热电缆和恒功率发热电缆进行了分析、比较和研究,得出自限温发热电缆保温方案具有可靠性高、节能效果好、维修便利等优势,在地铁给排水、消防系统的保温方案中具有良好应用前景。

The paper introduces the active thermal solutions and features, energy efficiency, installation and troubleshooting and automation performance and other aspects, makes analysis, comparison and study on the self-limit temperature and constant power heating cable after the use of active thermal insulation, and points out the advantages of self-limit temperature heating cable insulation solutions with high reliability, energy saving, and accessible maintenance.