减压气体的空间分布特征以及精确,高效的排水在采矿中
Erhui Zhang1,2, Hongqing Zhu3, Longkun Sui2
1School of Safety Engineering, North China Institute of Science and Technology, Yanjiao, 065201, Hebei, China.
概括
这项研究分析了煤矿中的气体分布,以优化减压气体的提取. 结果指导有效的气体排水系统,确保采矿安全和效率.
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
- 环境科学 环境科学
背景情况:
- 煤矿中的减压气体存在安全风险.
- 高效的天然气开采对于采矿业务至关重要.
- 了解空间气体模式有助于系统设计.
研究的目的:
- 为了研究减压气体的空间模式.
- 为了指导矿山面的精确和高效的天然气提取.
- 分析一个特定的煤矿面部的气体分布及其影响.
主要方法:
- 气体度的现场测量.
- 3D网格方法和反向距离插值.
- 模拟气体迁移和分析多孔性/透性的情况.
主要成果:
- 气体度在空间上有所变化,在支后面和侧更高.
- 孔隙性和透性呈现出横向的形图案,垂直下降.
- 气体体积分离子在表面附近有的梯度,在洞深处稳定.
结论:
- 观察到的气体模式为设计有效的气体排水系统提供了信息.
- 实施的系统确保了气体度保持在安全标准范围内.
- 结果为机械化煤矿采矿中的气体控制提供了实际指导.
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