赣中钨矿井下采空区废石充填工艺与实践
DOI: doi:10.3969/j.issn.1009-0479.2015.01.007
Keywords: 废石充填,空区稳定性,矿山灾害,充填系统
Abstract:
为预防井下采空区引发的矿山灾害,设计并建立了赣中钨矿井下废石充填系统。充填系统包括侧卸式矿车输送、机车运输、电耙倒运及充填井巷工程。2年来,共有8个采空区的32.2万m3采空区得到有效充填,工程应用结果表明,废石充填率为60%~70%,能有效预防岩移、岩爆及地表沉陷等灾害;此外,充填系统每年可节约废石提升与运输费用600万元/a,并减少了地表废石堆场体积。
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