摘要
通过分析确定小煤柱沿空掘巷掘进期间支护方案和回采期间支护方案,此方案能够提高煤炭回采率,减少支护材料费用的投入,增加材料的重复利用率,减少单体液压支柱的损坏,产生了很好的经济效益和社会效益。
Through the analysis and determination of the supporting scheme and the supporting scheme during the excavation of the small coal pillar excavation along the goaf,this scheme can increase the coal recovery rate,reduce the cost of the supporting material,increase the reuse rate of the material,reduce the damage of the single hydraulic prop,and produce a good economic and social benefit.
作者
梁家豪
LIANG Jia-hao(Chensilou Coal Mine,Yongmei Group,Yongcheng 476600,China)
出处
《煤炭技术》
CAS
2019年第10期21-23,共3页
Coal Technology
关键词
小煤柱
沿空掘巷
支护
效益
small coal pillar
roadway driving along the air
support
benefit
