某平行急倾斜锡矿体采矿方法选择及应用
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摘要
结合某锡矿急倾斜薄矿体的赋存形态和矿岩稳固性,对崩落采矿法、空场采矿法、充填采矿法进行初选,对初选出的浅孔留矿法和分段矿房法从采场生产能力、采准工程布置、回采工艺和矿石综合回收率进行技术经济比较,确定选择浅孔留矿法开采,并对所选的采矿方法进行了底部结构优化,降低了矿石损失率和贫化率。优化后的平底结构浅孔留矿法对类似生产条件矿山具有一定借鉴意义。
Combing with the occurrence mode of the parallel steeply inclined orebody and stability of rock and orebody of a tine mine,the primary selection of caving mining method,open stoping mining method and filling mining method is done. Then,technical and economical comparison of the shallow hole retention method and sectional chamber method by initial selection is done from the aspects of production capacity of the stope,the layout of the quasi engineering and the engineering quantity,the recovery process and the comprehensive recovery rate of the ore. The shallow hole retention method is regarded as the best one,and its bottom structure is optimized,so as to lower the ore loss rate and dilution rate.The shallow hole retention method with flat-bottom structure can provide reference for the similar mines.
Combing with the occurrence mode of the parallel steeply inclined orebody and stability of rock and orebody of a tine mine,the primary selection of caving mining method,open stoping mining method and filling mining method is done. Then,technical and economical comparison of the shallow hole retention method and sectional chamber method by initial selection is done from the aspects of production capacity of the stope,the layout of the quasi engineering and the engineering quantity,the recovery process and the comprehensive recovery rate of the ore. The shallow hole retention method is regarded as the best one,and its bottom structure is optimized,so as to lower the ore loss rate and dilution rate.The shallow hole retention method with flat-bottom structure can provide reference for the similar mines.
引文
[1]崔荣国,刘树臣,王淑玲,等.我国重要优势矿产资源国际竞争力研究[J].中国矿业,2009(10):8-11.
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[5]欧志成.多层急倾斜薄至中厚矿体采矿方法优化研究[J].矿业研究与开发,2017,37(7):4-8.
[6]董洪桥.薄矿体采矿方法改进[J].化工矿物与加工,2005(11):36-37.
[7]刘白璞.淘锡坑钨矿急倾斜矿体采矿方法及采场结构参数优化研究[D].赣州:江西理工大学,2017.
[2]陈绚柱.我国必须坚持对锡矿资源的保护性开发[J].世界有色金属学报,2007,26(8):1465-1468.
[3]解世俊.金属矿床地下开采[M].北京:冶金工业出版社,1986.
[4]陈文志.分段矿房法在马坑铁矿的应用[C]∥中国矿业科技文汇—2013.北京:冶金工业出版社,2013:159-160.
[5]欧志成.多层急倾斜薄至中厚矿体采矿方法优化研究[J].矿业研究与开发,2017,37(7):4-8.
[6]董洪桥.薄矿体采矿方法改进[J].化工矿物与加工,2005(11):36-37.
[7]刘白璞.淘锡坑钨矿急倾斜矿体采矿方法及采场结构参数优化研究[D].赣州:江西理工大学,2017.