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近些年来,随着沿空留巷技术在浅部煤层的不断运用和革新,实现了矿井采面的快速接替,而我们新庄矿作为沿空留巷的试点单位,不断的尝试进行着各种地质条件的回采工作,本文针对新庄矿进行三2煤与三3煤之间进行连续开采的方式,针对上部煤层垮落带与下部煤层顶板距离小,克服顶板破碎、矿压显现剧烈、中后期巷道维护困难等问题,成功实现了工作面的沿空留巷,取得良好的支护效果和原煤效益。
In recent years, with the continuous use and innovation of the gob-side entry retaining technology in shallow coal seams, the quick succession of mining face has been realized. As our pilot unit for gob-side entry retaining, we constantly try various kinds of In this paper, according to the way of continuous mining between San2 coal and San3 coal in Xinzhuang Mine, aiming at the small distance between the caving zone of the upper coal seam and the roof of the lower coal seam, to overcome the roof crushing, Roadway maintenance difficulties and other issues, the successful realization of the face of gob-side entry, and achieved good support effect and the benefits of coal.