合肥滨湖城市天地综合管廊消防系统设计

On Fire Fighting System Design of Common Trench about Binhu Urban World in Hefei

安徽省合肥市滨湖城市天地管线采用综合管廊形式,主要管线有电力电缆、通信光缆、上水管道等市政管线设施。对气体灭火系统、泡沫灭火系统和水喷雾灭火系统等3类灭火系统进行了比选,根据工程特点采用水喷雾灭火系统。介绍了水喷雾灭火系统的组成和工作原理,着重交待了喷头数量、间距、系统流量、管径及消防水泵扬程等计算步骤,给出了工程水雾灭火系统的标准断面布置。

Binhu Urban World project in Hefei,Anhui Province is introduced on its common trench design.The main municipal pipelines include power cable,communication optical cable and upper water pipe,etc.After a comparison and selection of three fire fighting systems,gas,foam and water spray extinguishing systems,water spray fire fighting system is chosen for this project.Then,the relevant component and working principle are presented focusing on calculation steps of the sprayer number,spacing,system flow,pipe diameter and pump head,etc.And the standard cross section layout is provided on this water spray fire fighting system.