Tunnel Fire Suppression Tests with Water Mist Fire Extinguishing System Containing an Additive

2019 9th International Conference on Fire Science and Fire Protection Engineering (ICFSFPE) Pub Date : 2019-10-01 DOI:10.1109/ICFSFPE48751.2019.9055853

Mingqiang Yan, Zejiang Zhang, Wei Liu, Yaqiang Jiang, Pingli Li, Meng Yang

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引用次数: 1

Abstract

Due to the advantages of no pollution, rapid fire suppression, less water consumption, lower cost, and little damage to the object, water mist fire extinguishing system has been widely used in road tunnels. In order to improve the fire extinguishing performance of water mist fire extinguishing system, a water based extinguishing agent was used as additive and injected into the water mist fire extinguishing system at the proportion of 3%. The tunnel fire suppression tests were carried out, and the fire extinguishing performance of water mist fire extinguishing system under different longitudinal ventilation velocity and with and without additive were compared and analyzed. The results show that high pressure water mist system has good cooling and heat radiation blocking effect, and has good fire control and extinguishing effect for tunnel oil fire;the suitable additive can effectively improve the fire control and extinguishing effect of water mist extinguishing system used in road tunnel.

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含添加剂的水雾灭火系统的隧道灭火试验

细水雾灭火系统由于具有无污染、灭火迅速、耗水量少、成本较低、对物体损伤小等优点，在道路隧道中得到了广泛的应用。为了提高细水雾灭火系统的灭火性能，采用水基灭火剂作为添加剂，按3%的比例注入细水雾灭火系统。进行了隧道灭火试验，对比分析了水雾灭火系统在不同纵向通风速度下、添加和不添加添加剂时的灭火性能。结果表明:高压细水雾系统具有良好的冷却和热辐射阻隔效果，对隧道油类火灾具有良好的灭火和灭火效果;合适的添加剂可有效提高道路隧道用细水雾灭火系统的灭火和灭火效果。

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来源期刊

2019 9th International Conference on Fire Science and Fire Protection Engineering (ICFSFPE)

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