|本期目录/Table of Contents|

[1]陈涛,胡成,包志明,等.公路隧道压缩空气泡沫系统灭油池火实验研究[J].中国安全生产科学技术,2017,13(7):30-36.[doi:10.11731/j.issn.1673-193x.2017.07.005]
　CHEN Tao,HU Cheng,BAO Zhiming,et al.Experimental study on extinguishing of pool fire with compressed air foam system in road tunnel[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2017,13(7):30-36.[doi:10.11731/j.issn.1673-193x.2017.07.005]
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公路隧道压缩空气泡沫系统灭油池火实验研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
13
期数:
2017年7期
页码:
30-36
栏目:
学术论著
出版日期:
2017-07-31

文章信息/Info

Title:
Experimental study on extinguishing of pool fire with compressed air foam system in road tunnel
文章编号:
1673-193X(2017)-07-0030-07
作者:
陈涛; 胡成; 包志明; 陈旸; 张宪忠; 傅学成; 王荣基; 靖立帅; 夏建军
（公安部天津消防研究所，天津 300381）
Author(s):
CHEN Tao;  HU Cheng;  BAO Zhiming;  CHEN Yang;  ZHANG Xianzhong;  FU Xuecheng;  WANG Rongji;  JING Lishuai;  XIA Jianju
(Tianjin Fire Research Institute of MPS, Tianjin 300381, China)
关键词:
公路隧道; 压缩空气泡沫; 喷淋灭火系统; 油池火
Keywords:
road tunnel;  compressed air foam ; sprinkler fire extinguishing system;  pool fire
分类号:
X932
DOI:
10.11731/j.issn.1673-193x.2017.07.005
文献标志码:
A
摘要:
为研究压缩空气泡沫与4.65 m2汽油池火作用过程中隧道内温度、热辐射强度、高温烟气等的变化规律，采用30 m×6 m×6 m公路隧道实验模型，考察公路隧道压缩空气泡沫系统对油池火的灭火性能。结果表明：在供给强度为5.1 L/(min·m2)、气液比14∶1条件下，公路隧道压缩空气泡沫系统对于汽油池火具有优异的控灭火能力，控火时间为21 s，灭火时间为27 s，且泡沫性能稳定，抗复燃能力强；压缩空气泡沫对于隧道内高温烟气层扰动很小，不会导致高温烟气下降到隧道下部，故不影响人员逃生疏散；在压缩空气泡沫作用下，隧道顶部及侧壁100 ℃以上高温持续时间均不超过150 s，并且可在30 s内将油池火周围的热辐射强度降至安全范围。
Abstract:
To study the variation laws of temperature, thermal radiation intensity and hot smoke in the tunnel during the action process of compressed air foam on the 4.65 m2 gasoline pool fire, a 30 m × 6 m × 6 m experimental model of road tunnel was applied to investigate the fire extinguishing performance of compressed air foam system in road tunnel on pool fire. The results showed that the compressed air foam system in road tunnel had excellent fire control and extinguishing ability on the gasoline pool fire under the conditions that the supply intensity was 5.1 L/(min·m2) and the air-liquid ratio was 14:1. The fire control time was 21 s and the fire extinguishing time was 27 s, and the foam properties were stable, with a strong capability of anti-reburning. The compressed air foam had little disturbance to the hot smoke layer in the tunnel, and would not cause the hot smoke descending to the lower part of the tunnel, so it would not influence the evacuation of people. Under the effect of compressed air foam, the duration time of high temperature above 100℃ would not exceed 150 s both at the top and side walls of the tunnel, and the thermal radiation intensity around the pool fire could be reduced to the safe range within 30 s.

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备注/Memo

备注/Memo:
十二五国家科技支撑计划项目（2014BAK17B01）
更新日期/Last Update: 2017-08-21