煤层瓦斯赋存规律及突出危险性分析  

Coal Seam Gas Occurrence Law and Outburst Risk Analysis

作　　者：刘建龙 Liu Jian-long(Shuangliu Coal Mine,Shanxi Fenxi Mining（Group）Co.,Ltd.,Shanxi Liulin 03330)

机构地区：[1]山西汾西矿业(集团)有限责任公司双柳煤矿,山西柳林033300

出　　处：《山东煤炭科技》2018年第10期79-81,共3页Shandong Coal Science and Technology

摘　　要：本文对双柳煤矿煤层瓦斯赋存规律进行了研究,分析了4(3+4)号煤层的突出危险性指标。标高+430 m以深区域煤层瓦斯压力最大值为2.4 MPa;煤的破坏类型为Ⅱ类,构造带破坏类型为Ⅲ-Ⅳ类,部分区域存在软分层;坚固性系数最小值为0.36;瓦斯放散初速度最大值为12.9 mmHg。因此,该煤矿4(3+4)号煤层具有煤与瓦斯突出危险性,需要做好相应的防突措施。In this paper, the occurrence law of gas in coal seam of Shuangliu Coal Mine is studied, and the outburst risk index of No. 4 （3 ＋ 4） coal seam is analyzed. The maximum value of gas pressure in deep seam is 2.4 MPa with the elevation of ＋ 430 m, the failure type of coal is class II, the failure type of structural belt is class III-IV, and there are soft layers in some areas, the minimum value of frmness coeffcient is 0.36, and the maximum initial velocity of gas emission is 12.9 mmHg. Therefore, the No. 4 （3 ＋ 4） coal seam in this coal mine has the danger of coal and gas outburst, so it is necessary to do a good job of corresponding outburst prevention measures.

关 键 词：双柳煤矿 瓦斯赋存 赋存规律 突出 危险性分析 

分 类 号：TD712.2[矿业工程—矿井通风与安全]