Optimization practice of backfill mining method in thin ore vein mining
充填采矿法在薄矿脉开采中的优化实践

摘要

薄矿脉开采面临矿体厚度小、稳定性差及回采损失高等挑战。充填采矿法在保证矿山安全与资源高效利用方面具有突出优势，但传统方法在薄矿脉条件下常出现充填不均、成本偏高及回采效率不足的问题。通过对充填材料选择、采充工艺参数控制以及空间布置方式的优化，可有效提升矿体暴露稳定性，降低稀释率与损失率，并增强作业连续性。实践结果表明，合理设计的充填系统不仅改善矿山安全环境，还能实现经济效益与资源利用率的同步提升。

Abstract

Thin ore vein mining faces challenges such as small ore body thickness, poor stability, and high recovery losses. Backfill mining method demonstrates significant advantages in ensuring mine safety and efficient resource utilization. However, traditional methods often suffer from uneven backfilling, high costs, and insufficient recovery efficiency under thin ore vein conditions. By optimizing backfill material selection, process parameter control, and spatial layout, the stability of ore body exposure can be effectively enhanced, dilution rates and loss rates reduced, and operational continuity improved. Practical results show that rationally designed backfill systems not only improve mine safety but also achieve simultaneous enhancement of economic benefits and resource utilization efficiency.