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A Novel Mitigation Approach for Lightning Threat in Underground Mines with Gas Drainage

机译：一种新型缓解灭绝煤气排水矿井的缓解方法

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Effective mitigation of direct and indirect lightning discharges is an important aspect of the reliable operation of any mining operation. Whilst a systematic protection plan can be implemented relatively easily for above-ground operations, the circumstances are rather more complex for underground mines. In addition, underground coal mines present even greater challenges due to the risk of methane ignition. This paper outlines the main variables and transfer mechanisms of relevance to underground mines and then provides some examples of calculations carried out to quantify the dangers that lightning may pose in underground coal mines. The main factors that elevate the risk of lightning in underground coal mining operations are identified, options for mitigation are outlined and one practical mitigation strategy that may be implemented for gas drainage operations is described and verified.
机译：有效地减缓直接和间接雷电排出是任何采矿操作可靠运行的重要方面。虽然可以相对容易地实现系统保护计划，但地面运营相对容易地实现，但情况对于地下矿山而言。此外，由于甲烷点火的风险，地下煤矿甚至存在更大的挑战。本文概述了与地下矿井相关的主要变量和转移机制，然后提供了一些计算的例子，以量化闪电在地下煤矿中可能姿势的危险。鉴定了提升雷电风险的主要因素，概述了减缓的选择，并描述了可以实施用于燃气排水操作的实际缓解策略。

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