The Luban Mountain North Mine belongs to a coal and gas outburst mine with complex geological structures.With the increase of coal mining depth,underground gas control technology has limitations.The Luban Mountain North Mine plans to carry out surface gas extraction and explore an efficient gas control model for combined surface and underground extraction.This article explores the key construction techniques of surface and underground combined pumping,analyzes the advantages of combined pumping,and provides reference for surface pumping construction in Luban Mountain.
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