摘要
以店坪煤矿9#煤层9-100工作面开采为工程实例,为提高采出率,拟在该工作面回风巷应用切顶卸压无煤柱护巷技术;通过理论计算与实践分析,确定了切顶卸压技术的关键参数;实践表明,护巷达到预期效果,经济效益增收显著。
Taking the mining of 9-100 working face of 9#coal seam in Dianping Colliery as an engineering example,in order to improve the recovery rate,it is planned to apply the roof-cutting pressure relief and no pillar roadway protection technology in the return airway of this working face.The key parameters of roof-cutting pressure relief technology are determined through theoretical calculation and practical analysis,which achieves the expected results of the roadway protection and has significant economic benefits.
作者
赵华亮
Zhao Hualiang(Fangshan Dianping Colliery of Lvliangshan Coal and Electricity Co,Ltd.,Huozhou Coal and Electricity Group,Fangshan,Shanxi 033100)
出处
《江西煤炭科技》
2021年第2期15-17,20,共4页
Jiangxi Coal Science & Technology
关键词
无煤柱开采
护巷技术
切顶卸压
沿空留巷
non-pillar mining
roadway protection technology
roof cutting pressure relief
gob-side entry retaining
