煤矿瓦斯煤尘爆炸的动力学特性研究进展  

Research progress on dynamic characteristics of coal mine gas and dust explosion

作　　者：司荣军 牛宜辉 王磊 黄子超 贾泉升 SI Rong-jun;NIU Yi-hui;WANG Lei;HUANG Zi-chao;JIA Quan-sheng(Fire and Explosion Pretention Research Brands,China Coal Technology and Engineering Group Chongqing Research Institute,Chongqing 400037,China;College of Safety Engineering,Chongqing University of Science&Technology,Chongqing 401331,China)

机构地区：[1]中煤科工集团重庆研究院有限公司火灾爆炸防治研究分院,重庆400037 [2]重庆科技学院安全工程学院,重庆401331

出　　处：《工程爆破》2023年第1期30-39,共10页Engineering Blasting

基　　金：国家自然科学基金资助项目(52174226,52105238);重庆市自然科学基金资助项目(CSTB2022NSCQ-MSX0335);重庆市教委科学技术研究基金资助项目(KJQN202101529);重庆英才计划技术创新与应用发展基金资助项目(cstc2021ycjh-bgzxm0230);矿山安全高效开采安徽省高校工程技术研究中心(安徽理工大学)开放基金资助项目(SECM2207);火灾与爆炸安全防护重庆市重点实验室(军用油库安全与设施设备评测实验室)"开放基金资助项目(LQ21KFJJ07)。

摘　　要：随着煤炭科技的不断发展,瓦斯煤尘爆炸灾害已成为制约煤炭高效智能化开采的重要因素,严重威胁煤矿的安全生产过程。为了明确瓦斯煤尘爆炸的最新研究进展,为煤矿智能化发展提供有力的安全保障,通过文献研究,从3个方面综合论述了近些年国内外对瓦斯煤尘爆炸的动力学特性研究现状及发展趋势。一是瓦斯煤尘爆炸火焰生成机理研究。二是瓦斯煤尘爆炸火焰演化规律研究。三是瓦斯煤尘爆炸传播关键表征技术。后续研究过程中,应继续深入开展瓦斯爆炸对沉积煤尘诱导机制的研究工作,分析瓦斯爆炸冲击波的扬尘机理以及压力波和火焰作用下的煤尘粒子运动并参与反应的过程,探明不同瓦斯爆炸强度条件下的扬尘区域及煤尘参与爆炸的范围,并建立高精度瓦斯煤尘爆炸反演模型,实现瓦斯煤尘爆炸灾害的有效控制。With the development of coal science and technology,gas and coal dust explosion disaster has become an important factor restricting the efficient and intelligent mining of coal,which seriously threatens the safety production process of coal mines.In order to clarify the latest research progress of gas and coal dust explosion and provide a powerful guarantee for the intelligent development of coal mines,this paper from the perspective of literature research,the research status and development trend of the dynamic characteristics of gas and coal dust explosion at home and abroud in recent years are comprehensively discussed from 3 aspects through literature research.The first aspect is study on the formation mechanism of gas coal dust explosion flame.The second aspect is study on flame evolution law of gas and coal dust explosion.The third aspect is key characterization technology of gas and coal dust explosion propagation.In the follow-up study,we should continue to carry out in-depth research on the induction mechanism of gas explosion on deposited coal dust,analyze the dust raising mechanism of gas explosion shock wave and the process of coal dust particle movement and reaction under the action of pressure wave and flame,find out the dust raising area and the range of coal dust participating in the explosion under different gas explosion intensity conditions,and establish a high-precision gas and coal dust explosion inversion model to achieve effective control of gas and coal dust explosion disasters.

关 键 词：瓦斯煤尘爆炸 爆炸机理 传播特性 爆炸超压 

分 类 号：TU45[建筑科学—岩土工程]