细水雾灭火系统在电缆接头处的应用

Application of Water Mist Fire Extinguishing System in Cable Joint

沿海地区电缆隧道内高温高湿和腐蚀性大,造成电缆隧道常用的超细干粉灭火系统误动作概率高而受到应用限制,亟需找到一种适用于沿海地区电缆隧道环境的电缆接头自动灭火系统。通过对以往电缆隧道运行、火灾情况的经验总结和细水雾灭火系统对电缆接头的灭火试验、特性分析及对比,得出细水雾灭火系统是一种适用于沿海地区电缆隧道的消防系统。

Because of the high temperature,humidity and corrosiveness in cable tunnels in coastal areas,the misoperation probability of ultra-fine dry powder fire extinguishing system commonly used in cable tunnels is high,which limits its application.It is urgent to find a cable joint automatic fire extinguishing system suitable for the environment of cable tunnels in coastal areas.Through summing up the experience of operation and maintenance of cable tunnels and fire situation in the past,and analyzing the fire extinguishing test and characteristics of cable joints by water mist fire extinguishing system,it is concluded that water mist fire extinguishing system is a fire extinguishing system suitable for cable tunnels in coastal areas.