余吾煤业负压抽采瓦斯规律及动态调控研究  

Study on the Negative Pressure Gas Drainage Law and Dynamic Regulation of Yuwu Coal Industry

作　　者：叶建坤 牛涛涛 刘全福 YE Jiankun;NIU Taotao;LIU Quanfu(Yuwu Coal Industry Co.,Ltd.,Lu'an Chemical Industry Group,Changzhi 046000,China;Shengtai Mining Industry Co.,Ltd.,Shanxi Coal Transportation and Sales Group Co.,Ltd.,Jincheng 048000,China;Shandong Yinan Coal Mine Co.,Ltd.,Jining 272000,China)

机构地区：[1]潞安化工集团余吾煤业公司,山西长治046000 [2]山西煤炭运销集团盛泰煤业有限公司,山西晋城048000 [3]山东义能煤矿有限公司,山东济宁272000

出　　处：《煤》2025年第2期69-72,共4页Coal

摘　　要：本研究利用COMSOL软件,基于N3102工作面的基本参数,深入探讨了负压对瓦斯抽采效果的影响。通过模拟不同抽采负压条件,分析了钻孔内瓦斯流量、抽采浓度及空气渗透量的变化规律。结果显示:提高抽采负压显著增强了瓦斯抽采效率,减少了瓦斯泄漏风险。试验钻孔负压动态调控后平均瓦斯体积分数提升了13.79%,平均抽采流量提升了39.27%.本研究为瓦斯抽采参数的优化提供了借鉴,对煤矿安全生产及环境保护具有重要价值。This study utilized COMSOL software to explore the impact of negative pressure on gas drainage efficiency based on the basic parameters of the N3102 working face.By simulating different negative pressure conditions,the study analyzed the changes in gas flow,drainage concentration,and air permeation in the boreholes.The results showed that increasing the negative pressure significantly enhanced the gas drainage efficiency and reduced the risk of gas leakage.After dynamic adjustment of the negative pressure in the experimental boreholes,the average gas concentration increased by 13.79%,and the average drainage flow increased by 39.27%.This study provides a reference for the optimization of gas drainage parameters,and it holds significant value for coal mine safety production and environmental protection.

关 键 词：COMSOL 瓦斯抽采 抽采负压 动态调控 

分 类 号：TD712.6[矿业工程—矿井通风与安全]