摘要
主要对伊敏二号露天矿首采区伊敏组主采煤层的主要煤质指标进行统计分析,提出煤芯样品各煤质指标数据,对煤质特征进行综合评价。
The article analyzes main coal quality index of main mining coal seam in the first mining area Yimin group of Yimin No.2 open-pit mine, presents coal quality index data of coal core sample, and comprehensively evaluates coal quality characteristics.
出处
《露天采矿技术》
CAS
2014年第12期65-68,共4页
Opencast Mining Technology
关键词
伊敏组
煤质
指标
Yimin group
coal quality
index