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- This article introduced applications,observation and research's actuality and developing trend of fully mechanized top coal caving mining under water. 介绍放顶煤开采技术在水体下采煤领域中的应用情况、观测研究现状及其发展趋势。
- In early application of fully mechanized top coal mining,Spontaneous fire took place when the backout of fully mechanized top coal caving face was stopped mining. 在应用综放开采的初期,每当综放工作面停采回撤时,就会发生自燃发火。
- Taken Xinhe Colliery 3101 workface as the concrete condition, phenomenon law of underground pressure in great-inclined thick coal seam mechanized top coal caving is studied. 本文以新河煤矿3101工作面为具体条件，研究了大倾角厚煤层综放开采矿压显现规律。
- The paper is on the basis of big thickness, high ductility, bad cavibility of second coal seam in Lingwu mining district, and the fully mechanized top coal caving method is hard to broaden. 本论文选题针对灵武矿区二号煤层厚度大、高韧性、冒放性差,综采放顶煤开采工艺难以推广的技术难题展开研究。
- longwall fully mechanized top coal caving method 长壁综采放顶煤采煤法
- mechanized top coal caving mining 综放开采
- mechanized top coal caving mining face 综放工作面
- Fully mechanized top coal caving face 综放工作面
- fully mechanized top coal caving 综放开采
- fully mechanized top coal caving mining 综放开采
- fully mechanized top coal caving mining face 综放工作面
- over-long and island fully mechanized top coal caving mining face “超长”“孤岛”综放面
- fully mechanized top coal caving mining face in island seam 孤岛综放面
- superwide isolated fully mechanized top coal caving face 超长孤岛综放工作面
- Fast installation and backout of fully mechanized top coal caving face 综放工作面快速拆除与安装实践
- Support technology of anchor in stoping tunnel with fall mechanized top coal caving 综放回采巷道锚杆支护技术
- Composition of coal loss and the ways to increase recovery rate in fully mechanized top coal caving face 综放工作面煤炭损失构成及提高资源回收率途径
- Comprehensive prevention and control of dust at the working faces of the fully mechanized top coal caving 综采放顶煤工作面粉尘的综合防治
- Ground pressure in light mechanized top coal caving face in the deep area of mine 深部轻放面矿压规律研究
- NUMERICAL ANALYSIS OF SEEPAGE FIELD OF J-TYPED VENTILATION In GOB AREA UNDER MECHANIZED TOP COAL CAVING 综放开采J型通风采空区渗流场数值分析
