|本期目录/Table of Contents|

 ZHANG Tianwei,LIU Xiangchen,WANG Guofeng,et al.Study on sustained action effect of dry water in thermal environment[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2021,17(11):172-178.[doi:10.11731/j.issn.1673-193x.2021.11.026]





Study on sustained action effect of dry water in thermal environment
(1.中国人民警察大学 救援指挥学院,河北 廊坊 065000;
2.威海金泓集团有限公司,山东 威海 264200;
3.哈尔滨工业大学 材料科学与工程学院,黑龙江 哈尔滨 150001;
4.中国人民警察大学 消防与应急救援国家工程实验室,河北 廊坊 065000)
ZHANG Tianwei LIU Xiangchen WANG Guofeng ZHANG Cunwei LIU Hao LIANG Qiang
(1.College of Rescue and Command,China People’s Police University,Langfang Hebei 065000,China;
2.Weihai Jinhong Group Co.,Ltd.,Weihai Shandong 264200,China;
3.College of Materials Science and Engineering,Harbin Institute of Technology,Harbin Heilongjiang 150001,China;
4.National Engineering Laboratory for Fire and Emergency Rescue,China People’s Police University,Langfang Hebei 065000,China)
thermal radiation dry water fire propagation apparatus (FPA) sustained action heat and smoke hazards
In order to study the influence of dry water on the heat and smoke hazards generated by the combustion of polymers in the building fires,the fire propagation apparatus (FPA) was used to simulate the sustained thermal environment after fire extinguishing,and the sustained action effect of excessively applied dry water on the combustible polymer during the fire extinguishing process was studied.The results showed that the dry water could significantly improve the re-ignition resistance performance of combustibles and weaken the heat and smoke hazards during the combustion process.Compared with the pure fuel,the ignition time of combustibles under the action of dry water was significantly delayed,and the heat release rate and the generation rate of carbon monoxide reduced significantly.Especially in the early stage of combustible combustion,the dry water also had a significant effect on suppressing the rate of smoke generation.The research results can provide a new technical solution for the search and rescue of firefighters and the escape of trapped persons after the disaster.


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收稿日期: 2021-06-03
* 基金项目: 国家自然科学基金项目(51804314);河北省自然科学基金项目(E2019507007);河北省重点研发计划项目(20375503D);中国人民警察大学科研重点攻关项目(2019zdgg006)
作者简介: 张天巍,博士,讲师,主要研究方向为灭火材料研发及应用。
更新日期/Last Update: 2021-12-08