CAJ | 학술논문

为有效降低E1S725-1＃矸石置换巷道掘进工作面粉尘污染问题，依据该工作面的实际情况，设计了注水钻孔布置方案、钻孔参数以及钻孔封孔方法等整套注水工艺，认真组织实施后，该种煤层注水方法使工作面煤体中水分含量提高了1％以上，粉尘降尘效率达到49％以上，有效地降低了工作面粉尘浓度。
위유효강저E1S725-1＃안석치환항도굴진공작면분진오염문제，의거해공작면적실제정황，설계료주수찬공포치방안、찬공삼수이급찬공봉공방법등정투주수공예，인진조직실시후，해충매층주수방법사공작면매체중수분함량제고료1％이상，분진강진효솔체도49％이상，유효지강저료공작면분진농도。
To effectively reduce the dust pollution at excavation face of E 1S725 -1# gangue replacement road-way ,the authors design and implement the full set of water injection technique including the layout and parame-ter of drilling holes and the hole drilling and sealing methods ,w hich has increased the w ater content in coal body by 1% and reduced the dust density with dust suppression efficiency of 49% .