下料孔在矿井领域的应用

On application of unloading hole in coal mine fields

介绍了下料孔的应用范围、管材形式及结构形式,分析了下料孔在应用过程中应注意的施工技术要点,并探讨了下料孔所具有的缩短建井周期、节约施工成本、安全效益高等优势,对矿井建设的发展有重要意义。

The paper introduces the applied scopes,forms of pipe materials,and structural forms of the unloading hole,analyzes some attentive construction technical points of the unloading hole in its application process,and explores the advantages of the unloading hole in saving well building period and construction cost and high safety and efficiency,so it is meaningful for the development of coal mine construction.