煤矿开采
煤礦開採
매광개채
COAL MINING TECHNOLOGY
2013年
6期
74-77
,共4页
厚煤层%高瓦斯%充填专用巷%充填开采%钻孔
厚煤層%高瓦斯%充填專用巷%充填開採%鑽孔
후매층%고와사%충전전용항%충전개채%찬공
thick coal-seam%high methane content%specified roadway for stowing%stowing mining%borehole
为提高充填开采效率和实现高瓦斯矿井的安全高效生产，提出在工作面上方稳定岩层内沿工作面走向方向布置一条充填专用巷进行采空区充填和瓦斯抽采的方案。介绍了充填专用巷的布置形式，并对利用专用巷实现高产高效的工艺进行了探讨。研究了专用巷内钻孔的布置位置及钻孔半径，推导了单一平面上钻孔总长度的计算公式。结合实例，分析了利用专用巷实现厚煤层高瓦斯矿井高产高效的钻孔布置参数及产能情况。研究表明，应用专用巷技术可以实现高瓦斯矿井采空区充填、瓦斯抽采、工作面开采的平行作业，能够实现厚煤层高瓦斯矿井的安全生产和高产高效。
為提高充填開採效率和實現高瓦斯礦井的安全高效生產，提齣在工作麵上方穩定巖層內沿工作麵走嚮方嚮佈置一條充填專用巷進行採空區充填和瓦斯抽採的方案。介紹瞭充填專用巷的佈置形式，併對利用專用巷實現高產高效的工藝進行瞭探討。研究瞭專用巷內鑽孔的佈置位置及鑽孔半徑，推導瞭單一平麵上鑽孔總長度的計算公式。結閤實例，分析瞭利用專用巷實現厚煤層高瓦斯礦井高產高效的鑽孔佈置參數及產能情況。研究錶明，應用專用巷技術可以實現高瓦斯礦井採空區充填、瓦斯抽採、工作麵開採的平行作業，能夠實現厚煤層高瓦斯礦井的安全生產和高產高效。
위제고충전개채효솔화실현고와사광정적안전고효생산，제출재공작면상방은정암층내연공작면주향방향포치일조충전전용항진행채공구충전화와사추채적방안。개소료충전전용항적포치형식，병대이용전용항실현고산고효적공예진행료탐토。연구료전용항내찬공적포치위치급찬공반경，추도료단일평면상찬공총장도적계산공식。결합실례，분석료이용전용항실현후매층고와사광정고산고효적찬공포치삼수급산능정황。연구표명，응용전용항기술가이실현고와사광정채공구충전、와사추채、공작면개채적평행작업，능구실현후매층고와사광정적안전생산화고산고효。
In order to improve stowing mining efficiency and realize safe and high-efficiency mining in mines with high methane con-tent, the project of specified stowing roadway for stowing gob and draining methane along trend in rock above mining face was put for -ward.Layout manner of the stowing roadway was introduced and technique realizing high production and efficiency with the specified roadway was discussed.Boreholes location and diameter in the specified roadway was researched , and calculation formula of whole length of boreholes on single plane was deduced.Combining actual example , boreholes layout parameters and production with specified roadway was analyzed.Results showed that applying specified roadway could realize parallel work of gob stowing , methane drainage and coal mining in mines with mine with high methane content.
