采用PVC管装药的深孔预裂爆破技术在响水矿井的应用  

Deep Hole Presplitting Blasting Technology Application for PVC Pipe Charge in Xiangshui Coal Mine

作　　者：王洪波[1] 黄优[1] 陈善乐[1] 

机构地区：[1]西部矿井开采及灾害防治教育部重点实验室毕节研究室(毕节学院),贵州毕节551700

出　　处：《煤》2014年第4期13-15,18,共4页Coal

基　　金：贵州省2012年度贵州省科技厅;毕节市科技局;毕节学院科技联合基金计划项目(黔科合J字LKB[2012]03号)

摘　　要：文章针对响水矿井煤层透气性差、煤层瓦斯含量大、区段平巷掘进速度缓慢造成的采掘衔接紧张及安全生产形势严峻的情况,采用PVC管装药的深孔预裂爆破,改善了煤层的透气性,特别是爆破孔配合措施孔的利用,使煤层透气性及瓦斯抽采率大幅度提高,有效控制了区段平巷掘进瓦斯超限问题,巷道掘进速度加快,工效明显提高,保证了煤矿的安全生产。This paper is based on the poor permeability,large gas content and slow section roadway excavation speed coal seam lead to grim convergence mining production safety situation and tense in Xiangshui Coal Mine, it improved seam permeability resistance, espe- cially with the measures bore blast holes exploited coal seam permeability and gas extraction rate increased significantly, effective control of the section drifting gas gauge problem, increasing tunneling speed, efficiency improved significantly, ensuring mine safe production by using PVC pipe charge deep - drilling pre - splitting blasting.

关 键 词：高瓦斯 低透气性煤层 PVC管装药 深孔预裂爆破 

分 类 号：TD235.3[矿业工程—矿井建设]