摘要
针对综合机械化放顶开采技术回采率低的问题,以同煤某矿工作面为研究对象,基于PFC2D数值模拟软件对不同开采方向、放煤步距以及采高采煤工艺参数下的采出率及含矸率进行了对比分析。
Aiming at the problem of low recovery rate of comprehensive mechanized caving mining technology,taking a coal face as the research object,based on PFC2D numerical simulation software,the recovery rate and gangue content under different mining direction,caving step distance and mining height mining process parameters are analyzed.
作者
郭远游
Guo Yuanyou(Yungang Mine of Datong Coal Mine Group,Datong Shanxi 037017)
出处
《山西冶金》
CAS
2020年第2期143-144,共2页
Shanxi Metallurgy
关键词
综采
放顶
采高
放煤步距
采出率
fully mechanized mining
caving
mining height
drawing interval
mining rate
