建筑火灾中回燃对灭火救援的影响及对策  

The impact of the backflash in building fire to the fire fighting and countermeasures

作　　者：马宝磊[1] 康青春[1] 施祖军 

机构地区：[1]中国人民武装警察部队学院,河北廊坊065000 [2]海口市消防支队,海南海口570000

出　　处：《消防科学与技术》2010年第1期67-69,共3页Fire Science and Technology

摘　　要：在简要介绍回燃现象理论的基础上,分析了回燃现象的危害性及回燃对灭火救援的影响,提出了扑救建筑火灾过程中如何避免回燃的发生以及回燃后如何减少人员伤亡。回燃前对室内喷水降温,打开排烟口排放可燃烟气,运用高压细水雾预防回燃发生。回燃后重新部署力量,堵截火势,防止轰燃发生。冷却承重构件,防止建筑物倒塌。The danger of the backflash and the impact to fire fighting were analyzed based on the brief introduction of the theory of the backflash, the measures to avoid the occurrence of backflash in fire fighting and to reduce personnel casualties were put forward. Depressing the indoor temperature with water, exhausting the flammable smoke, and using of water mist should be done before backflash. Blocking fire to prevent the happen of flashover should be done after the backflash and the load--bearing member should be cool down to avoid the collapse of building.

关 键 词：建筑火灾 回燃 轰燃 灭火救援 灭火战术 

分 类 号：X913.4[环境科学与工程—安全科学] TU998.1[建筑科学—市政工程]