水基灭火装置爆炸抛洒成雾运动特性研究  

Investigation on the Motion Characteristics of Explosive Dispersion for Water-based Fire Extinguishing Device

作　　者：李成孝 汪泉[1,3] 朱福元 李志敏[1] 郭子如 程扬帆 李雪交[1,3] LI Cheng-xiao;WANG Quan;ZHU Fu-yuan;LI Zhi-min;GUO Zi-ru;CHENG Yang-fan;LI Xue-jiao(School of Chemical Engineering, Anhui University of Science and Technology, Huainan, 232001;Huainan Shuntai Chemical Industry Co.Ltd., Huainan,232072;Anhui Engineering Laboratory of Explosive Materials and Technology, Huainan,232001)

机构地区：[1]安徽理工大学化学工程学院,安徽淮南232001 [2]淮南舜泰化工有限责任公司,安徽淮南232072 [3]安徽省爆破器材与技术工程实验室,安徽淮南232001

出　　处：《火工品》2019年第2期19-23,共5页Initiators & Pyrotechnics

基　　金：国家自然科学基金(11502001,11872002);安徽省新型爆炸材料及应用创客实验室(2016ckjh073)

摘　　要：为了研究爆炸驱动水成雾灭火作用过程,研制一种简易水基爆炸灭火装置。针对 4 种不同几何尺寸的灭火装置,采用 HX-3 型高速摄像机记录水雾与柴油火作用全过程。通过研究水基灭火装置爆炸抛洒灭火过程,认为爆炸驱动水抛洒运动分为 3 个阶段:喷射阶段、过渡阶段和弥漫阶段;理论分析和估算了抛洒过程中水雾的速度、半径以及作用时间;分析了灭火装置几何尺寸因素对抛洒运动特性参数及灭火效果的影响。研究表明,灭火装置的长径比、比药量以及水的质量会对水雾爆炸抛洒过程造成影响。To study the fire extinguishing effect of water mist driven by explosive, a simple water-based explosive extinguishing device was developed. Aimed at four fire extinguishing device with different length and diameter, the HX-3 high-speed camera was used to record the whole process of the reaction between water mist and diesel fire. Through studying the fire extinguishing process of water-based fire extinguishing device, it is considered that the motion of water spilling driven by explosive can be divided into three stages, which are injection stage, transitional stage and diffusion stage. Meanwhile, the velocity, radius and function time of water mist in the process of spraying were analyzed and estimated, as well as the influence of geometric dimensions of fire extinguishing device on spraying motion characteristic parameters and fire extinguishing effect was analyzed. It is found that the ratio of length to diameter, specific charge mass and volume of water of fire extinguishing device will affect the spraying process of water mist explosion.

关 键 词：爆炸水雾 高速摄像机 灭火装置 灭火过程 

分 类 号：TQ569[化学工程—炸药化工]