摘要
从变压器溢油火灾的产生原因出发,开展压缩空气泡沫灭变压器全液面溢油火的缩尺实验,对压缩空气泡沫喷淋系统和泡沫枪两种灭火方式进行了研究,考察了压缩空气泡沫扑灭此类火灾的优势以及火灾变化规律。研究表明,成膜型压缩空气泡沫扑灭变压器全液面溢油火是有效的,能够在高温油面形成稳定覆盖层,防止沸溢喷溅;冷却降温是灭火的关键因素,将油温降低到燃点以下,可扑灭溢油火灾并防止发生复燃。
Based on causes of oil spill fires in transformers,a series of small-scale experiments on compressed air foam extinguishing whole-surface spill fires in transformers were studied.With compressed air foam sprinkler system and foam gun,two types of fire extinguishing methods were applied.The advantage and variation rule of extinguishing whole-surface oil spill fires in transformers with compressed air foam were evaluated.The study showed that the film-formed compressed air foam was effective in extinguishing whole-surface oil spill fires in transformers.It could form a stable coating on the high-temperature oil surface to prevent boiling and splashing.Cooling was the key factor for extinguishing fire.It could extinguish whole-surface oil spill fires in transformers and prevent re-ignition by cooling the oil temperature below the ignition point.
作者
胡成
陈涛
傅学成
赵力增
张佳庆
黄勇
HU Cheng;CHEN Tao;FU Xue-cheng;ZHAO Li-zeng;ZHANG Jia-qing;HUANG Yong(Tianjin Fire Science and Technology Research Institute of MEM,Tianjin 300381,China;State Grid Anhui Electric Power Research Institute,Anhui Hefei 230601,China;State Grid Economic and Technology Research Institute Co.,Ltd.,Beijing 102209,China)
出处
《消防科学与技术》
CAS
北大核心
2020年第7期959-962,共4页
Fire Science and Technology
基金
国家电网有限公司总部科技项目资助(52120518002L)
应急管理部消防救援局科研计划应用创新项目(2019XFCX37)。
关键词
油浸变压器
全液面
压缩空气泡沫
溢油火
oil-immersed transformer
whole-surface
compressed air foam
spill fire
