一种新的插入绘制技术,用于控制在低层洞穴挖掘过程中矿石损失和稀释
Xiaojing Meng1, Tao Long1, Xinyu Shi1
1School of Resource and Environment and Safety Engineering, University of South China, Hengyang, 421001, Hunan, China.
Scientific reports
|July 2, 2025
概括
新的插入绘制方法 (IDM) 显著减少矿石损失和稀释在低层洞穴 (SLC) 采矿. 这种技术通过控制矿石与矿石的相互作用以及开采过程中废岩道的移动来提高矿石回收率.
科学领域:
- 采矿工程 采矿工程 采矿工程
- 地质技术工程 地质技术工程
- 矿物加工 矿物加工
背景情况:
- 地下洞穴挖掘 (SLC) 是一种具有高生产率,具有成本效益的地下采矿方法.
- 现有的SLC研究重点是绘制车身形状和停止参数,忽视了废岩流和矿石接触控制.
- 高矿石损失和稀释仍然是SLC运营中的重大挑战.
研究的目的:
- 分析SLC中矿石损失和稀释的原因.
- 为了研究废岩道的形成机制.
- 提出和验证一种新的方法,即插入绘图方法 (IDM),用于减少矿石损失和稀释.
主要方法:
- 废岩道形成和矿石接触动态的分析.
- 开发插入绘图方法 (IDM) 以积极控制在吸水点附近的矿石与岩石相互作用.
- 对IDM与传统的切线等级绘制方法 (COGDM) 的比较实验验证.
主要成果:
- IDM有效地控制了矿石与岩石的接触,提高了矿石流速和回收.
- 通过管理废岩漏斗,IDM延迟了废岩稀释的进入,减少了稀释.
- 与COGDM相比,IDM在巨大的矿体中获得了10.96%的矿石回收率,在的矿体中获得了15.68-30.88%的矿石回收率.
结论:
- 插入绘制方法 (IDM) 是一种可行的技术,用于减轻矿石损失和稀释在低层洞穴挖掘.
- 在不同的矿体类型中,IDM可显著提高矿石回收率.
- IDM显示了SLC矿山广泛采用的潜力,以提高运营效率和资源利用率.
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