留矿法采后间柱回采方法优化研究
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摘要
为解决留矿法采后形成的采空区处理和间柱回收问题,保障后续生产的安全和间柱资源的回收,本文结合盘龙铅锌矿采空区和矿柱的赋存条件,确定了现有空区的处理方式必须采用充填法处理,仅在独立的小采空区采用封闭空区的处理方法。同时对比分析了三种不同的间柱回采方法,通过优缺点比较最终选择上向水平分层充填采矿法作为间柱回采的主要方法。
In order to solve the problem of the treatment of the mined out area and the recycling problem of the pillar,to ensure the safety of the follow-up production and the recycle condition of the pillar,this paper based on the occurrence conditions of the PanLong lead-zinc mine goafs and pillar,filling method for treatment of mined out area was been selected,the treatment method of closed space is used only in the small goafs.At the same time,the analysis of three kinds of different pillar extraction methods shows the final selection of the horizontal slicing and filling mining method is the ultimate choice.
In order to solve the problem of the treatment of the mined out area and the recycling problem of the pillar,to ensure the safety of the follow-up production and the recycle condition of the pillar,this paper based on the occurrence conditions of the PanLong lead-zinc mine goafs and pillar,filling method for treatment of mined out area was been selected,the treatment method of closed space is used only in the small goafs.At the same time,the analysis of three kinds of different pillar extraction methods shows the final selection of the horizontal slicing and filling mining method is the ultimate choice.
引文
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[2]曹明秋,肖迪民,段正龙,等.采用普通房柱法回采顶底间柱残留矿体[J].矿业研究与开发,2006,26(S2):24-25,94.
[3]李春晓,杨臣堂.矿柱回采与空区处理实践[J].资源导刊·地球科技版,2014(6):52-53.
[4]杨臣堂,燕书友,陈安文,等.上宫金矿采空区处理方法综述[J].资源导刊·地球科技版,2013(3):42-44.
[5]邱俊刚,邓尧增,张忠辉,等.焦家金矿寺庄矿区老空区综合治理方案研究[J].黄金科学技术,2009,17(4):62-64.
[6]采矿设计手册-矿床开采卷(下)[M].北京:中国建筑工业出版社,1987:1267-1268.
[7]赵兴柱,侯立伟,赵刚,等.应用进路式采矿工艺回收间柱方案研究[J].有色矿冶,2010,26(2):13-15.
[8]张连恒,曾志义.采场间顶柱回收联合爆破技术实践[J].中国矿山工程,2011,40(4):1-5.