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Xiaomin Ni, W.K. Chow
Applied Thermal Engineering, Volume 31, Issues 17–18, December 2011
Abstract
Water mist and degradable bromofluoropropene are both clean fire suppressing agents, but they have their own limitations in application. Water mist is environment-friendly, but has difficulties in extinguishing small fires, which are fuelled by liquids, in places with good ventilation. 2-bromo-3,3,3-trifluoropropene (BTP) is efficient in extinguishing liquid fuel fires, but generates toxic hydrogen fluoride. Combining water mist with BTP would overcome their respective drawbacks in fire suppression. Performance of the mixture of portable BTP and water in suppressing gasoline pool fires, which is evaluated by experiments, had been reported. The results demonstrated that combining water mist with BTP would extinguish fires through physical and chemical mechanisms, taking the advantages of high efficiency and low concentration of acid gas. Furthermore, residues, such as addictives of metallic salts or surfactants to water mist, would not be formed.
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