在模拟地下条件下对影响电缆螺栓腐蚀的环境因素的实验调查
Saisai Wu1,2, Pengbo Cui2, Chunshan Zheng1
1Joint National-Local Engineering Research Centre for Safe and Precise Coal Mining, Anhui University of Science and Technology, Huai'an 232001, China.
Materials (Basel, Switzerland)
|August 14, 2025
概括
地质条件显著推动了地下矿山支螺栓的腐蚀相关故障. 了解这些因素对于提高矿山安全和防止过早的螺栓退化至关重要.
科学领域:
- 采矿工程 采矿工程 采矿工程
- 材料科学 材料科学 材料科学
- 地质技术工程 地质技术工程
背景情况:
- 腐蚀是地下矿山中支持螺栓过早故障的主要原因之一.
- 了解腐蚀机制对于提高地下采矿安全至关重要.
研究的目的:
- 在模拟的地下环境中调查影响电缆螺栓退化的因素.
- 确定矿山基础设施腐蚀的关键地质和环境驱动因素.
主要方法:
- 在各种模拟的地下条件下 (粘土,煤炭,矿井水,泥/水泥) 实验评估多链式电缆螺栓.
- 每周对水样进行pH值,电导率和溶解氧的分析.
- 评估矿物学和大气条件对腐蚀的影响.
主要成果:
- 富含粘土和煤炭的矩阵由于高离子流动性和氧气扩散而加速腐蚀.
- pH 和导电性显示出与腐蚀率的上下文依赖的相关性.
- 多链电缆在链间区域中经历了局部蚀的增加.
结论:
- 地质条件是地下矿山支螺栓腐蚀相关故障的主要驱动因素.
- 这些发现为开发有效的矿业腐蚀减缓策略提供了可操作的指导.
- 突出了多链电缆螺栓的设计漏洞,这些漏洞有助于腐蚀.
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