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准确获取煤层瓦斯压力参数,对于指导煤矿安全生产具有特别重要的现实意义。本文阐述了基于胶囊-压力粘液封孔方式下的主动式测压技术原理,通过在毕节市宝黔煤矿的现场实践应用,取得了良好的效果。较被动式测压,压力稳定时间缩短了50.0%;测得的煤层瓦斯压力提高了18.2%,更接近原始瓦斯压力。
Accurately obtaining the parameters of coal seam gas pressure has important practical significance for guiding coal mine safety production. In this paper, the principle of active manometry based on the capsule-pressure mucus sealing method is expounded. The practical application in Baoqian Coal Mine in Bijie City has achieved good results. Compared with passive pressure measurement, the pressure stabilization time is shortened by 50.0%. The measured gas pressure of coal seam is increased by 18.2%, which is closer to the original gas pressure.