The management methods of separating source gas are narrated in view of gas origin quantity, each source gas gush and change rule of gas gush.
重点叙述了针对瓦斯来源个数、各源瓦斯涌出量的大小及其涌出变化规律进行治理的分源瓦斯治理方法。
To grasp the coal seam gas control content and gas gush rules can efficiently stop gas, avoid gas accident and accumulate gas preventive measures.
掌握各煤层瓦斯含量及瓦斯涌出规律,为有效地采取可靠措施进行瓦斯治理积累了经验,对保证生产杜绝瓦斯事故起到了积极的作用。
However in the productive practice of mining, the gas gush quantity in dig working face is different with the gas fountain, it often shows abnormity.
而在许多矿井的生产实践中,掘进工作面瓦斯涌出量却显示出与直接源涌出量不一致的特性,常常出现瓦斯涌出异常现象。
Aimed at the gas gush change law of every construction craft in the blasting driving face, the appropriate measure is adopted for gas comprehensive management.
针对炮掘工作面各施工工艺瓦斯涌出的变化规律,采取了相应的应对措施进行综合治理,取得了良好的效果,为掘进面的安全掘进提供了有力支撑。
The outburst risk index and gas gush feature are analysed during roadway progress. The result proves that the effectiveness of zonal gas pre-drainage by cross-measure boreholes.
消突效果检验后进行煤巷掘进,掘进期间通过对突出危险性指标和瓦斯涌出参数的分析,验证穿层钻孔区域预抽瓦斯消突技术的有效性;
The main factors influencing gas gush in full mechanized longwalles top caving in Yangquan coal ming area are analyzed in greater detail, and the appropriate measures of gas control are proposed.
对阳泉矿区影响综放工作面瓦斯涌出的主要因素作了详细分析,并据此提出了相应的瓦斯治理手段。
The eruption seems to have started with the volcano spitting out lumps of rock up to 2 metres across, before releasing an enormous pyroclastic flow - a fast-moving gush of hot gas and rock.
火山似乎在释放出巨大的火山碎屑流(一种热的气体和岩石快速移动的喷流)之前,从开始吐出2米宽度的岩石块而开始爆发。
The theory of gas geology is applied to study the problem of gas unusual gush at first, and set-ting up systematic research thinking and method of gas geology in the low gas mines.
首次运用瓦斯地质理论研究低瓦斯矿井瓦斯异常涌出问题,形成了系统的低瓦斯矿井瓦斯地质规律的研究思路和方法。
The theory of gas geology is applied to study the problem of gas unusual gush at first, and set-ting up systematic research thinking and method of gas geology in the low gas mines.
首次运用瓦斯地质理论研究低瓦斯矿井瓦斯异常涌出问题,形成了系统的低瓦斯矿井瓦斯地质规律的研究思路和方法。
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