摘要
采用小尺度灭火实验,在标准受限空间下研究磷酸二氢铵添加剂不同添加量对细水雾扑灭汽油池火的有效性,分析磷酸二氢铵的加入细水雾灭火机理的不同。受限空间尺寸3 m×3 m×3 m,油盘直径33 cm,工作压力2 MPa。结果表明:加入磷酸二氢铵后,火焰温度明显降低,且大大缩短了细水雾的灭火时间;随着磷酸二氢铵浓度的不断增大,细水雾的灭火时间先减小后增大,存在一个最短的灭火时间。
The suppression effectiveness on gasoline poor fire of water mist containing different amount of ammonium dihydrogen phosphate by a small-scale fire experiment in a normal confined space was explored and the extinguishing mechanism of the water mist containing ammonium dihydrogen phosphate was analyzed.The size of confined space is 3 m×3 m×3 m,the diameter of pool is 33 cm and the pressure is 2 MPa.The results indicated that the fire temperature and the fire-extinguishing time were greatly decreased after adding ammonium dihydrogen phosphate to water mist.The fire-extinguishing time decreased with the increasing of ammonium dihydrogen phosphate concentration at first,and then increased.And there was a shortest fire-extinguishing time with right ammonium dihydrogen phosphate concentration.
出处
《消防科学与技术》
CAS
北大核心
2011年第9期822-824,共3页
Fire Science and Technology
基金
国家自然科学基金青年基金项目(51008259)
国家大学生创新性试验计划项目(091061350)
关键词
细水雾
磷酸二氢铵
灭火有效性
water mist
ammonium dihydrogen phosphate
suppression effectiveness
