在工作面和自动氧气喷雾控制技术中研究低氧的规律
Chunhua Zhang1,2, Jia Jiao1,2
1School of Safety Science and Engineering, Liaoning University of Engineering and Technology, Fuxin, Liaoning 123000, China.
ACS omega
|December 2, 2024
概括
矿山中的低氧气威胁到工人的安全. 这项研究结合了氧气喷雾和空气导向布,并进行了自动控制,以有效地提高工作面部的氧气水平,确保安全.
科学领域:
- 采矿工程 采矿工程 采矿工程
- 职业安全与健康问题 职业安全与健康问题
- 环境监测 环境监测
背景情况:
- 矿山工作面的低氧体积分数对人员安全和运营连续性构成重大风险.
- 现有的预防和控制措施,以低氧在香港石川煤矿的010901工作面的预防和控制措施被认为是不够的.
研究的目的:
- 调查导致工作面氧气不足的因素.
- 提出和评估一种新的方法,将氧气喷雾和空气导向布结合起来,用于低氧补救.
- 开发一种用于实时监测和控制氧气水平的自动化系统.
主要方法:
- 监测工作面和面中的气体度分布,以确定低氧因子.
- 使用Fluent模拟软件分析氧气体积分的分布,包括和没有建议的干预.
- 设计和实施基于可编程逻辑控制器 (PLC) 的系统,用于自动化氧气监测和喷雾.
主要成果:
- 在正常情况下,上角的氧气体积分数低于要求的18.5%安全值.
- 组合氧气喷雾和空气导管布方法,与最佳的设备放置和1.3MPa的出口压力,增加氧气度到20%.
- 自动化系统有效控制氧气水平,喷雾装置在达到目标度后关闭.
结论:
- 氧气喷雾和空气导管布的综合方法,加上自动控制,是矿山工作面低氧问题的一个有效解决方案.
- 优化氧气喷雾参数,包括放置和出口压力,对于成功的整治至关重要.
- 开发的技术为防止和治疗采矿环境中的低氧危险提供了必要的技术支持.
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