1) top coal caving on fully-mechanized working face
综采放顶煤工艺
1.
3 coal seam and its hydrogeological conditions, and points out that the top coal caving on fully-mechanized working face has overcame some problems such as the difficult movement of the breaker because the heavy pressure of the main tunnel, the serious wall caving on the working face, and the working face\'s passing through fault, etc.
阐述了太原西峪煤矿的生产技术现状,分析了3号煤煤层赋存情况及水文地质情况,指出综采放顶煤工艺克服了主巷压力大、破碎机行走困难、工作面煤壁片帮严重、工作面过断层等难题,提高了技术装备水平,为创建安全高效矿井奠定了技术基础。
3) fully mechanized top coal caving mining
综采放顶煤
1.
Analysis on coal mining rate of fully mechanized top coal caving mining in Kailuan Mining Area;
开滦矿区综采放顶煤工艺煤炭采出率的分析
2.
In order to study the overburden strata failure law and water conducted fracture zone development law under the condition of the fully mechanized top coal caving mining in Lu \'an Mining Area,three high level survey boreholes in the roof caving zone and the water conducted fracture zone were made in the 6206 fully mechanized top coal caving mining face in Wangzhuang Mine.
为了研究潞安矿区综采放顶煤条件下覆岩破坏规律和导水裂缝带发育规律,在王庄煤矿6206综放工作面施工了3个"两带"高度观测孔,进行了系统的观测研究,取得了冒落带、导水裂缝带发育高度,求取了预测导水裂缝带最大高度的经验公式。
5) Fully mechanized coal caving
综采放顶煤
1.
Research of coupled relation between fully mechanized coal caving mining and outburst;
综采放顶煤与瓦斯突出的耦合关系研究
6) fully mechanized caving
综采放顶煤
1.
Research on laws of observation of strata pressure in fully mechanized caving working face;
综采放顶煤工作面矿压显现规律研究
2.
The fully mechanized caving mining technology for thick seam is not only favor to have a high production, high efficiency and high benefit from the thick seam mining, but from the practices, would have an obvious results to release gas disaster accident with special measures.
厚煤层综采放顶煤开采技术不仅有利于实现厚煤层开采的高产、高效率、高效益。
补充资料:综采放顶煤
综采放顶煤:厚煤层煤炭开采技术之一。把原来分层开采的煤炭,一次采完。方法是,在煤层底部按传统方法开采,使上面的煤炭在矿压的作用下,自动落下来。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条