封孔泵封孔技术在乐平矿务局的应用

Application of Hole Sealing Technology of Hole Sealing Pump in Leping Mining Bureau

煤层瓦斯抽采是解决矿井瓦斯灾害的最根本、最有效的方法,不断改进抽放孔封孔技术又是提高瓦斯抽采浓度的关键环节。乐平矿务局抓封孔技术的改进促瓦斯抽采浓度的提高,取得了良好的效果,基本解决了采掘工作面回风瓦斯超限的难题。

Gas extraction in coal seam is the most fundamental and most effective way to solve gas hazards in mines. The authors have introduced continuous improving of hole sealing technology of hole of sucking and exhaling, which is the key link to improve gas extraction density, and achieved good results and solved the difficulty of air return gas overrun in working face.