价值工程
價值工程
개치공정
VALUE ENGINEERING
2014年
19期
48-48,49
,共2页
钻孔瓦斯抽采%巷道卸压带宽度%封孔深度
鑽孔瓦斯抽採%巷道卸壓帶寬度%封孔深度
찬공와사추채%항도사압대관도%봉공심도
drilling gas pumping%the width of pressure relief seam%the depth of sealing hole
通过对24121运输巷未施工钻孔巷道煤层瓦斯含量的测定和钻孔漏气深度的测定,得出巷道卸压带宽度规律,为合理选择煤层瓦斯抽采钻孔的封孔深度提供了依据,优化了抽采钻孔布置,实现了对煤层瓦斯抽采钻孔的封孔方法的科学管理。
通過對24121運輸巷未施工鑽孔巷道煤層瓦斯含量的測定和鑽孔漏氣深度的測定,得齣巷道卸壓帶寬度規律,為閤理選擇煤層瓦斯抽採鑽孔的封孔深度提供瞭依據,優化瞭抽採鑽孔佈置,實現瞭對煤層瓦斯抽採鑽孔的封孔方法的科學管理。
통과대24121운수항미시공찬공항도매층와사함량적측정화찬공루기심도적측정,득출항도사압대관도규률,위합리선택매층와사추채찬공적봉공심도제공료의거,우화료추채찬공포치,실현료대매층와사추채찬공적봉공방법적과학관리。
Through the measurement for 24121 coal seam gas content of conveyance road and drilling leakage depth, this paper gets the regulations of the width of pressure relief seam, which provides basis for reasonable selection of coal seam gas drainage depth of sealing hole, optimizes drainage borehole layout, and realizes the scientific management of hole sealing method for coal seam gas drainage borehole.