新集二矿111300工作面采空区自燃“三带”研究  

Study on Spontaneous Combustion “Three-zone” in Gob of 111300 Mining Face in Xinji No.2 Coal Mine

作　　者：陈龙[1,2] 仲晓星 李虎 赵净波[1,2] CHEN Long;ZHONG Xiaoxing;LI Hu;ZHAO Jingbo(Key Laboratory of Gas and Fire Control for Coal Mines of the Ministry of Education, Xuzhou 221116, China;School of ScoCety Engineering, China University of Mining and Technology, Xuzhou 221116, China;Xinji No.2 Coal Mine, SDIC Xinji Energy Co., Ltd., Huainan 232172, China)

机构地区：[1]煤矿瓦斯与火灾防治教育部重点实验室,江苏徐州221116 [2]中国矿业大学安全工程学院,江苏徐州221116 [3]国投新集能源股份有限公司新集二矿,安徽淮南232172

出　　处：《煤矿安全》2017年第12期164-167,共4页Safety in Coal Mines

基　　金：教育部新世纪优秀人才支持计划资助项目(NCET-13-1021)

摘　　要：通过对新集二矿111300综采工作面煤样氧化实验的测试确定了煤层自燃预警指标,采用在采空区现场埋管观测的方法,获得了随着工作面的推进不同推进距离下采空区气体成分的变化。依据采空区自燃"三带"划分标准,根据O2、CO的浓度变化,结合煤样氧化气体产物的变化规律,确定了111300综放工作面的"三带"范围,并计算出极限推进速度,为工作面防灭火工作的开展提供了基础参数。The coal spontaneous combustion early-warning index is determined by the experiment of coal sample oxidation in111300 fully-mechanized mining face in Xinji No.2 Mine.With the advancing of mining face,the changes of gas composition are recorded by the buried pipe in the gob.According to the division standard of ＂three-zone＂ of spontaneous combustion area and the concentration variation of O2 and CO and combined with the changing laws of oxidation gas products of coal samples,the ＂three-zone＂ of 111300 fully-mechanized top-coal caving face are determined,the limit mining speed is also calculated,which provides the basic parameters for the fire preventing and extinguishing work.

关 键 词：标志气体 采空区 三带 气体分析 极限推进速度 自燃 

分 类 号：TD752.2[矿业工程—矿井通风与安全]