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pressure relief gas
相关语句
  卸压瓦斯
     Principles and Applications of Exploitation of Coal and Pressure Relief Gas in Thick and High-Gas Seams
     高瓦斯特厚煤层煤与卸压瓦斯共采原理及实践
短句来源
     Experimental Research of Safe and High-Efficient Exploitation of Coal and Pressure Relief Gas in Long Distance
     煤与远程卸压瓦斯安全高效共采试验研究
短句来源
     Study on Technology of Bores Through Coal and Rock Seams Draining Long Distance Pressure Relief Gas in Bed Plate Tunnel
     底抽巷上向穿层钻孔抽放远程卸压瓦斯技术研究
短句来源
  卸压瓦斯共
     Principles and Applications of Exploitation of Coal and Pressure Relief Gas in Thick and High-Gas Seams
     高瓦斯特厚煤层煤与卸压瓦斯共采原理及实践
短句来源
  “pressure relief gas”译为未确定词的双语例句
     The Numerical Simulation of Preventing Outburst Measure and Pressure Relief Gas through Preceding Water Force in Fully-mechanized Coal Mining
     综采工作面水力超前卸压防突措施的数值分析
短句来源
  相似匹配句对
     pressure;
     压力;
短句来源
     On Appreciation of RMB and Relief of Its Pressure
     论人民币升值预期及缓解升值压力的思路
短句来源
     The Design of Safe Relief Pressure Device
     安全泄压装置的设计
短句来源
     Reliability Design of Gas Pressure Relief Valve
     气体减压阀可靠性设计
短句来源
     At the pressure >1*!
     当气压高于 1Pa时 ,得到厚度很小的ZnS薄膜 ;
短句来源
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This article studies the movement properties of long distance and pressure relief rock mass upon exploited coal seam, the properties of crannies distribution and the seepage of pressure relief gas in long distance by the method of combining numerical simulation with experiments in the mine. At the same time it also puts forward the extraction method of long distance and pressure relief gas according its flowage properties.At last by the experiments in Panji mine 1 of Huainan city of safe and highly...

This article studies the movement properties of long distance and pressure relief rock mass upon exploited coal seam, the properties of crannies distribution and the seepage of pressure relief gas in long distance by the method of combining numerical simulation with experiments in the mine. At the same time it also puts forward the extraction method of long distance and pressure relief gas according its flowage properties.At last by the experiments in Panji mine 1 of Huainan city of safe and highly efficient exploitation of coal and gas it proves that the long distance gas extraction method of using gridding bores through coal and rock seams in bed plate tunnel can eliminate the coal and gas outburst danger of pressure relief coal seams territorially, reduce the gas content in pressure relief coal seams efficiently and realize the safe and highly efficient exploitation of high gas content coal seams which have the coal and gas outburst danger.

运用数值模拟和现场试验相结合的研究方法,研究上覆远程卸压岩体移动和裂隙分布以及远程卸压瓦斯的渗流流动特性,提出了符合远程卸压瓦斯流动特性的远程瓦斯抽采方法。通过淮南潘一矿煤与瓦斯安全高效共采试验证明,底板巷道网格式上向穿层钻孔远程瓦斯抽采方法可以区域性地消除卸压煤层的突出危险性,有效地降低卸压煤层的瓦斯含量,实现高瓦斯、煤与瓦斯突出危险煤层的安全高效开采。

The conception of the safe and high-efficient exploitation system of coal and gas was put forward in high gas content coal seams. While exploiting coal seams, the coal seam with low gas content and without coal and gas outburst danger was exploited firstly. Then the pressure on the coal seams which is above or below the exploited coal seam was relieved making use of the exploiting effect. At the same time the permeability of the coal seams increased hundreds times, and a high-efficient extraction condition of...

The conception of the safe and high-efficient exploitation system of coal and gas was put forward in high gas content coal seams. While exploiting coal seams, the coal seam with low gas content and without coal and gas outburst danger was exploited firstly. Then the pressure on the coal seams which is above or below the exploited coal seam was relieved making use of the exploiting effect. At the same time the permeability of the coal seams increased hundreds times, and a high-efficient extraction condition of gas was formed. The high-efficient extraction of pressure relief gas either solves the problem of gas effusing from the pressure relief coal seams to the exploited coal seam to ensure the exploiting safely and high efficiently for the exploited coal seam or reduces the gas content greatly in the pressure relief coal seams to eliminate the outburst danger of coal and gas. This can offer a safeguard to tunnel fast and stope high-efficiently in the pressure relief coal seams. Consequently the safe and high-efficient exploitation of gas and coal comes into effect. The extraction methods and engineering application of pressure relief gas were introduced in short distance, intermediate distance and long distance according to its flow characteristic. At last the application prospect of this high-efficient exploitation system was discussed.

提出了高瓦斯煤层群煤与瓦斯安全高效共采的概念:在煤层群开采条件下,首先开采瓦斯含量低、无突出危险的首采煤层,利用其采动影响使处在其上部和下部的煤层卸压,煤层透气性成百倍地增加,从而形成高效的瓦斯抽采条件,同时进行的卸压瓦斯高效抽采既解决了由卸压煤层向首采煤层涌出瓦斯问题,保障首采煤层实现安全高效开采,又大幅度地降低了卸压煤层的瓦斯含量,消除了煤与瓦斯突出危险性,为在卸压煤层内实施快速掘进与高效采煤方法提供了安全保障,从而实现了瓦斯与煤炭两种资源的安全高效共采,文中介绍了针对不同卸压瓦斯流动特点的近程、中程和远程卸压瓦斯抽采方法及工程应用实践,最后对高瓦斯煤层群煤与瓦斯安全高效共采体系的应用前景进行了分析。

The high-gas and low-permeability thick seams were studied, where exist some danger of coal-gas outburst and high gas inflow. Two kinds of exploiting models of coal-gas and the principles were proposed, with which some program has been made in practice. In the course of site investigation, the discharging deformation rule of distant upper rock stratums caused by seam mining was obtained; at the same time, the rule of pressure relief gas rush was tested.

论述了高瓦斯低透气性有煤与瓦斯突出危险特厚煤层和上覆采动断裂带有高瓦斯涌出的特厚煤层两种煤与瓦斯高产高效卸压共采模式、原理及其实践所取得的丰硕成果.阐明了现场考察得出的煤层采动引起远程上覆煤层卸压变形规律与卸压瓦斯抽采规律.

 
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