高压细水雾系统在综合管廊电缆火灾消防中的应用

Applications of the High Pressure Water Mist System of Cable Fire Control in Utility Tunnel Construction

针对管廊中电力电缆的火灾特点,明确综合管廊内灭火系统的选择原则,介绍了水喷雾灭火系统、气体灭火系统、超细干粉灭火系统和高压细水雾灭火系统在管廊电力电缆保护中的优缺点。结合南京某管廊工程,阐述了高压细水雾系统在该工程的应用。

According to cable fire characteristics of utility tunnel,the principle of choice of fire extinguishing sys tem is made.Both advantages and disadvantages of fire extinguishing system of water spray,gas,ultra-fine dry powder and high pressure water mist in the protection of utility tunnel cables are introduced.Combined with a project in Nanjing city,the application of high pressure water mist system are stated.