大采高采煤工作面无煤柱开采技术  

Anthracitic column mining Technology in working face with large mining height

作　　者：周长超 刘森[1] 张志红[1] 

机构地区：[1]淄博矿业集团有限责任公司许厂煤矿,山东济宁272173

出　　处：《山东煤炭科技》2014年第6期38-40,共3页Shandong Coal Science and Technology

摘　　要：在3下煤3302工作面与3302上工作面回采过程中,为取消两工作面的保护煤柱,利用巷旁充填条带无煤柱开采技术,即采用地面商品混凝土搅拌站制作膏体(特殊混凝土),通过钻孔管道输送到井下工作面巷道内,砌筑膏体充填带替代保护煤柱,提高煤炭资源回收率。During mining 3302 working face and the adjacent,to cancel the protective coal pillar between two working faces. To use the roadside packing strip to get working face Anthracitic column mining,which uses the ground commercial concrete mixing station to making paste（ special concrete）,through drilling pipe into the underground working face,substitute the protective coal pillar for paste filling strip,improve the recovery rate of coal resources.

关 键 词：混凝土 保护煤柱 充填带 回收率 

分 类 号：TD823.48[矿业工程—煤矿开采]