Fire extinguishing mechanism and application research of nitrogen injection displacement

被引：0
|
作者：
Zhang, Guoshu [1 ]
Yuan, Shujie [2 ]
Deng, Ming [3 ]
机构：
[1] Anhui Univ Sci & Technol, Minist Educ, Key Lab Coal Mine Safety & Efficient Exploitat, Huainan, Anhui, Peoples R China
[2] Anhui Univ Sci & Technol, Key Lab Integrated Coal Exploitat & Gas Extract, Huainan, Anhui, Peoples R China
[3] Anhui Univ Sci & Technol, Huainan, Anhui, Peoples R China
来源：
MINE SAFETY AND EFFICIENT EXPLOITATION FACING CHALLENGES OF THE 21ST CENTURY | 2010年
关键词：
Mine fire; nitrogen injection displacement; fire extinguishing;
D O I：
暂无
中图分类号：
TD [矿业工程];
学科分类号：
0819 ;
摘要：
Spontaneous combustion in sealed goaf has characteristics such as large scope, uncertain fire source and difficult extinguishment. Based on the analysis of disadvantages of traditional method of nitrogen injection for fire-prevention, a new fire-extinguishing technology, nitrogen injection displacement, was presented. The mechanism of nitrogen injection displacement, factors influencing effectiveness of fire extinguishing, system design and key technology were studied. The technology was successfully applied in longwall 1115(3) of Zhangji Coal Mine, Huainan.
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页码：1 / 5
页数：5
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