According to the theory of filtration flow and ventilation network,numerical simulation on three zones distribution in goaf was made under the condition of without gas discharge laneway,one gas discharge laneway and two gas discharge laneways,as well as when the position of discharge laneway varies.
为了解瓦斯排放巷对采空区"三带"的影响,运用滤流及通风网络理论,模拟研究了无瓦斯排放巷和存在1条、2条瓦斯巷以及瓦斯巷位置发生变化时采空区"三带"分布。
A detailed discussion on gas distribution law and split flow feature in the gas gateway was made when a gas gateway of a fully mechanized caving face used to solve to the gas content highly over the limitation.
针对瓦斯涌出强度大的问题 ,通过在山西潞安矿务局漳村煤矿综放工作面布置测点、测线进行大量的现场观测研究 ,并加以详细的计算分析 ,对综放工作面设置瓦斯巷来解决瓦斯严重超限问题时 ,其瓦斯分布规律及瓦斯巷的分流特征进行了较深入的探讨。
Application of gas tail roadway in high-grade general mining face;
瓦斯尾巷在高档普采工作面的应用
Taking blind alley gas as the main research object, this paper expounds the distribution laws of blind alley gas, and probes into the methods for the gas emission and some matters needing attention.
以盲巷瓦斯为主要研究对象,阐述了盲巷瓦斯的分布规律,探讨了排放瓦斯的方法和注意事项。
Study on Optimization of the Support of Rock Pressure in the Thick Seam Coal Face and Gas Tail Roadway in Shaqu Mine;
沙曲矿大采高采场矿压和瓦斯尾巷的支护优化研究
Application of Gas Tail Gateway to Top Coal Caving Mining in Low Permeability Thick Seam
瓦斯尾巷在低透气性厚煤层放顶煤开采中的应用
Research on the Method of Draining the Gas on Roof Gallery of Full-Mechanized Caving Mining Face
综放工作面尾巷排放瓦斯方式的探讨
Numerical Simulation on Double Tailing Gateways Applied to Gas Control of Fully-mechanized Caving Mining Face with Extra Long Mining Length
双尾巷治理超长综放工作面瓦斯数值模拟研究
Research on gas numerical simulation of over long fully mechanized top coal caving mining face with double tail gateways for gas control
双尾巷治理大采长综放面瓦斯数值模拟研究
Application of Gas Drainage Pump to Tunnel Gas Emission
瓦斯抽放泵在巷道排放瓦斯中的应用
Study on Width of Gas Drainage Zone in Coal Roadway Based on Gas Emission
基于瓦斯涌出量的煤巷瓦斯排放带宽度研究
Gas overflowed in wood road413 of this mine is through the link- roadway caused by goaf gas discrarging.
该矿413机巷后路瓦斯超限是采空区瓦斯通过联络巷泄漏所致。
Research on Gas Emission Law in Coal Road Heading Face of Driving;
煤巷掘进工作面瓦斯涌出规律的研究
On Technology with Gas Prevention and Control of Gob-side Roadway Excavation in Medium-thickness Seam;
中厚煤层沿空掘巷瓦斯防治技术初探
Numerical Simulation of Gas Distribution in a Declensional Ventilated Airway
倾斜巷道风流中瓦斯分布的数值模拟
On the Details of Gas Management on the Inclined-high-exploration Wall Retreating and Cross Pitch Mining in Double Roadway Excavation
双巷并掘贯眼横贯瓦斯管理细节探讨
Practice on Gas Suction at Roadway with 1018 Crossheading Floor in Jianxin Colliery
建新矿1018顺槽底板巷瓦斯抽放实践
Design of Gas Monitoring System in Mine Laneway Based on Wireless Sensor Networks
基于WSN的井下巷道瓦斯监测系统设计
Gateway Layout Technology of High Gassy Thick Seam in Tunliu Mine
屯留煤矿高瓦斯厚煤层巷道布置技术
Numerical simulation of backward flow of methane roof layer in an airway
巷道风流中瓦斯逆流现象的数值模拟
Interval between sensors in long roadway of underground mine
煤矿井下长巷道瓦斯传感器间距设计
Use of Artificial Two-lane Arrangement to Address Gas Gauge Problem
采用人工双巷布置解决瓦斯超限问题
