模拟戊类仓库实体灭火试验研究  

Fire Extinguishing Test in a Simulated Class E Warehouse

作　　者：杨丙杰 李毅 刘欣 于东兴 王健强 殷颖智 YANG Bing-jie;LI Yi;LIU Xin;YU Dong-xing;WANG Jian-qiang;YIN Ying-zhi(Tianjin Fire Science and Technology Research Institute of MEM,Tianjin 300381,China;Anfan Engineering ConsultingCo.Ltd.,Shanghai 200040,China)

机构地区：[1]应急管理部天津消防研究所,天津300381 [2]安泛工程咨询<上海>有限公司,上海200040

出　　处：《中国给水排水》2022年第9期106-110,共5页China Water & Wastewater

基　　金：国家重点研发计划项目(2018YFC0807605);应急管理部天津消防研究所基本科研业务费项目(2019SJ11)。

摘　　要：为研究自动喷水灭火系统对戊类仓库火灾的控火和灭火性能,合理确定自动喷水灭火系统的设置要求,在前期构建火灾试验模型的基础上,分别在不同净空高度和储存方式下开展了3组自动喷水灭火系统全尺寸灭火试验,并采用火灾动力学原理分析了第1只喷头启动时的火灾热释放速率。结果表明,在顶板高度不超过9 m的情况下,采用9 L/(min·m^(2))的喷水强度能控制高度不超过3.5 m的堆垛火灾,采用32 L/(min·m^(2))的喷水强度无法控制高度不超过7.5 m的货架火灾,第1只喷头启动时对应的火灾热释放速率分别约为2.4和6.4 MW;在顶板高度不超过6 m的情况下,采用25 L/(min·m^(2))的喷水强度能有效控制高度不超过4.5 m的货架火灾,第1只喷头启动时的火灾热释放速率约为3.5 MW。This paper investigated the fire control and fire extinguishing performance of an automatic sprinkler system in a class E warehouse,and reasonably determined the setting requirements of the automatic sprinkler system.Based on the preliminary established fire test model,three groups of automatic sprinkler system full-size fire extinguishing tests were carried out under different clearance heights and storage modes respectively,and the heat release rate(HRR)was analyzed by fire dynamics principle when the first sprinkler was started.When the roof height was less than 9 m,9 L/(min·m^(2))water spraying intensity was capable of controlling the stacking fire with a height less than 3.5 m.However,the water spraying intensity of 32 L/(min·m^(2))could not control the rack fire with a height less than 7.5 m.When the first sprinkler was started,the HRRs were 2.4 MW and 6.4 MW,respectively.When the roof height was less than 6 m,25 L/(min·m^(2))spraying intensity could effectively control the rack fire with a height less than 4.5 m,and the HRR was 3.5 MW when the first sprinkler was started.

关 键 词：戊类仓库 火灾试验模型 自动喷水灭火系统 火灾蔓延 火灾热释放速率 

分 类 号：TU992[建筑科学—市政工程]