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。
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。
Secondly, according to the occurrence condition of far distance coal seams in this area, numerical model was set up to simulate rock stratum displacement law, pressure relief’s characteristics and deformation rule of protected coal seam, which provided a theoretical foundation to realise the harmonic mining of gas extraction and coal.
最后,根据采动过程中远程被保护煤层卸压增透特性研究结果,对平顶山矿区远程保护层开采卸压瓦斯强化抽采方案,以及瓦斯抽采和煤层开采的协调关系进行了初步分析。
The new measuring method for distance of the gas drainage hole and seam permeability
瓦斯抽采孔孔距及煤层透气性的测定方法
Base on the engineering practices of the technology to the gas drainage in Ningxia Mining Area,in comprehensive investigation of the gas drainage results of the directional drilling along seam and the relative relationship between each gas drainage parameter,in comparison with the conventional gas control technology with the borehole drilling in the strata of the .
概述了沿煤层定向钻进技术的发展现状及其定向钻进系统特点,基于该技术在宁夏矿区瓦斯抽采中的工程实践,综合分析了沿煤层定向钻孔的瓦斯抽采效果与各抽采参数间的相互关系,通过与该矿传统穿层钻孔瓦斯治理技术相比较,得出了沿煤层定向钻进技术在瓦斯治理工程中的7大优点,为该技术在国内相应地质条件下的推广应用提供了可靠的依据。
The research provides a new way for gas drainage in low permeability coal seams.
研究成果消除了钻孔喷孔的不利影响,提高了孔群范围煤体的透气性,为突出煤层瓦斯抽采增透增流提供了一条新途径。
It is important to select methane extraction methods and model of bore holes laying out in the work of methane extraction.
煤矿瓦斯抽采方法及钻孔布置形式是矿井瓦斯抽采中的一项重要工作,其抽采方法与钻孔布置的合理性与否,施工质量的优劣直接关系到瓦斯抽采效果的好坏。
This paper originally reports the situation test results of its application in the surveillance of methane extraction.
本文首次报告了光纤瓦斯检测装置在煤矿瓦斯抽采监测方面的现场监测结果。
Study on the Disposed Methane Drainage Technology of Fully Mechanized Caving Face
高瓦斯综放工作面卸压瓦斯抽采技术研究
Application of An Advanced Fiber Methane Monitor in Gas Pumping and Mining Power
新型光纤瓦斯监测仪在瓦斯抽采发电上的应用
The Applied Research of Gas Drainage Technology in the Goaf of Full-Mechanized Mining Working Face
综采工作面采空区瓦斯抽采技术的应用研究
Economic evaluation model for coal mine methane drainage and utilization project;
煤矿瓦斯抽采利用项目经济评价模型
Extraction Mechanism of Relieved Gas from Low Permeability Seam
低渗透性煤层卸压瓦斯抽采机理研究
Current Situation of Gas Suction and Improvement Countermeaures in Collieries of Hunan Province
湖南省煤矿瓦斯抽采现状与整治对策
Thick Seam Gas Drainage Technology and Practices in Jincheng Mining Area
晋城矿区厚煤层瓦斯抽采技术与实践
Defining Efficient Influence Radium of Drilling Hole Gas Extracting by Using Gas Flow Theory
采用瓦斯流场理论确定钻孔瓦斯抽采有效影响半径
Study on the Technique of Gas Drainage Along the Striking in Steep Seam Gob;
急倾斜煤层采空区瓦斯抽采技术的研究
Analysis of Surface Shaft Drilling Goaf Gas Extraction at Tunliu Mine
屯留煤矿地面钻井采空区瓦斯抽采分析研究
Research on Parameters of Gas Drilling Bore in Steep Coal Seam Gob
急倾斜煤层采空区瓦斯抽采钻孔参数研究
L-surface Gas Drainage Drilling and Extraction Equipment Optimization of Pipeline System
地面“L”型钻井瓦斯抽采设备与抽采管路系统优化探讨
Study of Gas Exhausting and Mining Techniques on Outburst Coal Seam with Low Permeability for Strengthening Antireflection
低透气性突出煤层强化增透瓦斯抽采技术研究
Development of Coal Mine Ground Methane Pumping Plant Montioning and Control System
煤矿地面瓦斯抽采站安全监控系统的开发
Analysis on Mining Released Gas Sources for Surface Borehole Drilling and Gas Drainage
地面钻井抽采采动卸压瓦斯来源分析
Study on Technology of Gas Draining While Mining in Working-face;
回采工作面边采边抽瓦斯抽放技术研究
The Second Prospecting Team of Shandong Coal Geology Bureau
采前瓦斯预抽系统固井工程施工工艺
Gas Drainage Technology of Goaf with Boreholes from Surface Ground of Tangshan Mine
唐山矿地面钻孔抽放采空区瓦斯技术