煤参数对薄煤剪刀鼓的煤装载过程的影响
Weipeng Xu1,2, Xiaodi Zhang3,4, Kuidong Gao1
1College of Mechanical and Electronic Engineering, Shandong University of Science and Technology, Qingdao, 266590, Shandong Province, People's Republic of China.
Scientific reports
|March 25, 2024
概括
优化煤参数,如倾斜角度和偏移距离,显著提高了薄煤剪刀桶的加载率,提高了采矿效率.
科学领域:
- 采矿工程 采矿工程 采矿工程
- 机械工程 机械工程
背景情况:
- 薄型煤层切割机桶的低载荷率阻碍了有效的资源开采.
- 通过煤进行辅助鼓装载提供了一个潜在的解决方案,但其机制尚未完全理解.
研究的目的:
- 为了研究煤参数 (抵消距离,倾斜角度,包装角度) 对鼓装载率的影响.
- 探索这些因素的相互作用,并确定优化煤炭装载的关键参数.
主要方法:
- 离散元件方法 (DEM) 模拟.
- 物理建模实验. 物理建模实验.
- 对因子分析的响应表面方法.
主要成果:
- 更小的煤偏移距离与增加的鼓装载率有积极的相关性.
- 增加倾斜角度会降低弹射负荷,但最初会增加,然后降低推力负荷.
- 煤炭装载率受到煤炭包装角度变化的最小影响.
结论:
- 偏移距离和倾斜角分别是优化弹射和推进加载模式的关键参数.
- 这些发现为改善薄采矿中的剪刀鼓性能和煤设计提供了指导.
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