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首页> 外文期刊>Natural Hazards >Controlling coal fires using the three-phase foam and water mist techniques in the Anjialing Open Pit Mine, China
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Controlling coal fires using the three-phase foam and water mist techniques in the Anjialing Open Pit Mine, China

机译：中国安家岭露天矿使用三相泡沫和水雾技术控制煤火

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摘要

Coal fires are a serious environment, health, and safety hazard throughout the world. They damage the environment, threaten the health of people living nearby, burn away non-renewable coal, and result in significant economic losses. In this paper, the characteristics of the ignition and propagation of coal fires are illustrated first. Semi-enclosed environments (loose zones and abandoned roadways) favor the ignition of coal fires. The "upper fire'' is pointed out to be prevalent and difficult to be controlled. Furthermore, the advantages and disadvantages of several commonly used techniques for controlling coal fires are analyzed. The three-phase foam and water mist techniques are believed to be effective in controlling coal fires, especially the "upper fires'' in loose zones and abandoned roadways, respectively. Then, the three-phase foam coal fire extinguishing system is improved, and the water mist coal fire extinguishing system is developed. Finally, these two techniques are applied to control coal fires in the Anjialing Open Pit Mine. The results show that the three-phase foam and water mist techniques control coal fires efficiently and ensure the safe production of the mine as well as the security of personnel and equipments. Most importantly, this study provides a valuable method for the control of other coal fires.
机译：燃煤火灾在全世界范围内都是严重的环境，健康和安全隐患。它们破坏环境，威胁附近居民的健康，烧掉不可再生的煤炭，并造成重大的经济损失。本文首先阐述了煤火着火和蔓延的特征。半封闭的环境（松散的区域和废弃的道路）有利于点燃煤火。指出“上火”现象普遍存在且难以控制，并且分析了几种常用的控制煤火的技术的优缺点，认为三相泡沫和水雾技术是有效的。在控制煤火方面，尤其是在疏散区和废弃道路上的“上火”。然后，改进了三相泡沫煤灭火系统，并开发了水雾煤灭火系统。最后，将这两种技术应用于控制安家岭露天煤矿的燃煤火灾。结果表明，三相泡沫和水雾技术有效控制了煤火，确保了煤矿的安全生产以及人员和设备的安全。最重要的是，这项研究为控制其他煤火提供了一种有价值的方法。

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