文物建筑内移动式高压细水雾灭火装置设计参数研究  

Research on the design parameters of mobile high-pressure water mist fire extinguishing device in cultural relic buildings

作　　者：张子龙 刘芳 李宏文[2] 钱禹丰 Zhang Zilong;Liu Fang;Li Hongwen;Qian Yufeng(School of Environment and Energy Engineering,Beijing University of Civil Engineering and Architecture,Beijing 100044,China;Institute of Building Fire Prevention,China Academy of Building Research,Beijing 100013,China)

机构地区：[1]北京建筑大学环境与能源工程学院,北京100044 [2]中国建筑科学研究院建筑防火研究所,北京100013

出　　处：《消防科学与技术》2024年第7期990-996,共7页Fire Science and Technology

基　　金：北京市科委绿通项目(Z171100004417031)。

摘　　要：为了研究移动式高压细水雾灭火装置在文物建筑内的设计参数,搭建了6A木垛火试验台,研究在不同喷射距离和模式下,该装置应对大规模火灾时适合的喷射流量与距离,并采用FDS,以北京某古建筑为模型进行模拟,从喷射强度、喷射距离、喷射时机、雾化粒径等方面验证并补充移动式高压细水雾灭火装置的设计参数。结果显示,喷射强度可设定为4.4~6.6 L/(min.m^(2));喷射距离可设定为5 m,尽可能采用近距离喷射策略;灭火时机应尽早,至少在起火后300 s内;雾化粒径的选择需根据具体情况权衡考虑。In order to investigate the design parameters of a mobile high-pressure water mist fire extinguishing device in cultural heritage buildings,a 6A wood pile fire test platform was set up to study the suitable jet flow rate and distance for this device to handle large-scale fires under different jet distances and modes.The Fire Dynamics Simulator(FDS)was used to simulate a historical building in Beijing as a model,validating and supplementing the design parameters of the mobile high-pressure water mist fire extinguishing device from aspects such as jet intensity,jet distance,jet timing,and atomization particle size.The results show that the jet intensity can be set at 4.4~6.6 L/(min.m^(2));the jet distance can be set to 5 m.A close jet strategy is used whenever possible;the fire extinguishing timing should be as early as possible,at least within 300 s after the fire starts;the choice of atomized particle size needs to be weighed on a case-by-case basis.

关 键 词：移动式高压细水雾灭火装置 文物建筑 设计参数 火灾试验 FDS 

分 类 号：X193.4[环境科学与工程—环境科学] X932