1) drainage borehole
抽采钻孔
1.
In order to improve the sealing effect of CMM drainage boreholes, the paper proposes to select new type of sealing materials according to the geological conditions of the coal seams and to carry out combined sealing of boreholes in order to improve the sealing property.
为提高矿井煤层气抽采钻孔封孔效果,提出了应针对煤层地质条件,优先选择新型封孔材料及联合封孔,提高钻孔密封性,且使用钻孔漏气部位检测装置确定合理的封孔深度。
2) downward drilling to extract
下向抽采钻孔
1.
The research shows that through constructing downward drilling to extract in floor suction roadway by properly using various exiting resource and technique the gas controlling problem of no high level suction roadway caused by unpunctual drivage of mining face is settled,indicates that temporal benefit and economic benefit are obtained,gas comprehensive controlling.
为解决因采掘接替而引起的工作面瓦斯综合治理中的断缺,大胆采用钻孔法替代巷道法瓦斯治理技术,妥善利用现有资源和技术条件,在底抽巷中施工下向抽采钻孔,解决了因工作面高抽巷掘进不能按期到位而带来的无高抽巷段瓦斯治理难题,并在时间和经济上取得了良好效益,完善了采煤工作面瓦斯综合治理措施,确保了工作面按期、安全、高效回采。
3) Heavy-caliber gas pipeline drill hole
大口径瓦斯抽采钻孔
4) drainage
抽采
1.
, the CMM drainage technologies with the displacement and depressurization of mining coal rock, involving coal seam roof, depressurization and enhanced permeability of protective coal seam, and mining influence zone of surface drilling drainage, and the intensified CMM drainage technologi.
应用数值模拟、相似材料试验、工业性试验等方法,研究了开采煤层顶板煤层气抽采技术、开采保护层卸压增透抽采煤层气技术、地面钻井抽采采动影响区域煤层气技术等采动煤岩移动卸压抽采煤层气技术,以及原始煤层强化抽采煤层气技术的关键参数,全面考察了现场应用效果。
2.
Currently, in order to control gas and enhance CMM recovery, various methods are adopted in Jixi Coal Mining Area such as upper roadway CMM drainage of low-permeability coal seams, upper near-horizontal hole drilling, coal seam plus-angle hole drilling, and roof large-diameter horizontal hole drilling, with satisfactory drainage results.
目前矿区为治理瓦斯,加大煤层气抽采,采用低透气性煤层的高位巷道抽采、高位钻场近水平钻孔、煤层钻场仰角钻孔抽采、顶板大直径水平钻孔等抽采方法,取得了良好的抽采效果。
3.
The paper describes the occurrence of CBM in Huaibei Mining Area, the drainage method, and current status of utilization.
本文介绍了淮北矿区煤层气赋存情况、抽采方式和利用现状,针对淮北矿区的煤层地质条件,指出目前煤矿瓦斯抽采和利用的难点,提出在煤矿开采所造成的地层扰动下进行瓦斯抽采,进而叙述了“一井三用”的煤气共采的新途径。
5) extraction
抽采
1.
Authors of the paper have introduced the basic principle of in-seam gas release and movement, set forth the distribution of stress and fractures in longwall face, analyzed factors affecting gas extraction efficiency and drawn a comparison of gas extraction between two different mining methods in UK coal mines.
本文介绍了煤层中瓦斯释放和运移的基本原理,阐述了长壁采煤工作面的应力和裂隙分布,分析了影响瓦斯抽采效率的因素,并对英国矿井两种不同开采方式下的瓦斯抽采进行了比较。
6) gas extraction
瓦斯抽采
1.
Test results of surface gas extraction technology from boreholes in the goaf in Zhangbei Coal Mine, Huainan Mining Group are introduced in the paper.
文章对采空区瓦斯抽采技术的研究和推广应用具有一定的指导意义。
2.
Based on gas storage characteristic of coal seams,a gas extraction method used in coal mines is discussed.
分析了“先抽后采”概念的内涵及对煤矿瓦斯治理的作用,在研究煤矿煤层瓦斯赋存特点的基础上,综合分析了煤矿瓦斯抽采方法,结合煤矿瓦斯治理的实例和煤矿重特大瓦斯事故案例,对我国煤矿瓦斯治理提出了以下建议,即在有条件的情况下尽可能优先采用区域性瓦斯治理方法,强突出危险煤层和超大井型高瓦斯矿井必须采用区域性瓦斯治理方法。
参考词条
补充资料：抽抽趔趔
1.犹言别别扭扭。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。