黄山南铜镍矿采矿方法优化选择及应用
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摘要
黄山南铜镍矿原采用自然崩落采矿法回采,采矿损失贫化大,技术经济指标差,需进行采矿方法优化选择。根据矿山开采技术条件,初步选择了可能适合黄山南铜镍矿的采矿方法,通过技术经济比较,推荐采用大直径深孔阶段空场胶结充填采矿法进行回采。现场工业应用取得了较好的技术经济指标:采场生产能力400 t/d,采矿损失率12. 5%,矿石贫化率9. 5%,采矿直接成本29. 90元/t,充填成本20. 28元/t。研究成果对同类型矿山采矿方法选择具有一定的借鉴和指导意义。
The previously used natural caving mining method in Huangshannan Copper-Nickel Mine has high mining loss and dilution rates and poor technical and economic index,so the optimized selection of mining method is carried out. Based on the technical and economic comparison,it is recommended to use big diameter long-hole bench open stope and cemented backfill mining method. Industrial application has achieved good technical and economic index:stope production capacity 400 t/d,mining loss rate 12. 5 %,ore dilution rate 9. 5 %,direct mining cost 29. 90 yuan/t,backfill cost 20. 28 yuan/t. The research achievements have reference and guiding significance for the same type mines when mining method is selected.
The previously used natural caving mining method in Huangshannan Copper-Nickel Mine has high mining loss and dilution rates and poor technical and economic index,so the optimized selection of mining method is carried out. Based on the technical and economic comparison,it is recommended to use big diameter long-hole bench open stope and cemented backfill mining method. Industrial application has achieved good technical and economic index:stope production capacity 400 t/d,mining loss rate 12. 5 %,ore dilution rate 9. 5 %,direct mining cost 29. 90 yuan/t,backfill cost 20. 28 yuan/t. The research achievements have reference and guiding significance for the same type mines when mining method is selected.
引文
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[2]《采矿设计手册》编写委员会.采矿设计手册:矿床开采卷[M].北京:中国建筑工业出版社,1987.
[3]古德生,李夕兵.现代金属矿床开采科学技术[M].北京:冶金工业出版社,2006.
[4]彭会清.现代矿业管理经济学[M].北京:冶金工业出版社,2011.
[5]周礼,欧任泽,林卫星,等.低品位急倾斜中厚以下矿体采矿方法优选[J].黄金,2017,38(1):38-42.
[6]张群,刘艳章,柯丽华,等.程潮铁矿崩落法转充填法试验段采矿方法优选[J].矿业研究与开发,2015,35(10):1-5.
[7]林卫星,周礼,高鹏举,等.黄山南铜镍矿井下生产系统及采矿方法优化研究[R].长沙:长沙矿山研究院有限责任公司,2017.
[8]王玉杰.爆破工程[M].武汉:武汉理工大学出版社,2007.
[9]崔松,董凯成.高阶段大直径深孔嗣后充填采矿法在某铁矿的应用研究[J].有色金属工程,2015,5(增刊1):25-27.