1) caving technology
放顶工艺
3) 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。
4) light and lower top-caving technique
轻型低位放顶煤工艺
1.
This paper introduces the features of the light and lower top-caving technique and its application in each coal bed of Xishan Mining Area, analyzes the problems existing in the application of the light and lower top-caving technique, and puts forward some solving countermeasures.
介绍了轻型低位放顶煤工艺的特性及其在西山矿区各煤层的应用,分析了轻型低位放顶煤工艺在应用中存在的问题,并提出了解决的对策。
5) "π" type steel girder
"π"型钢放顶煤回采工艺
6) under-jacking
暗顶工艺
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