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作 者:杨富锋[1] 张建新[1] 信长瑜 董保有 陈学海[1] 王振[1]
机构地区:[1]郑煤集团公司,河南郑州450042
出 处:《中州煤炭》2011年第8期63-65,68,共4页Zhongzhou Coal
摘 要:根据郑州矿区三软不稳定煤层放顶煤开采实际情况,对三软煤层条件下悬移支架机采放顶煤生产工艺应用进行了研究,针对新工艺实践中出现的影响采面单产水平提高的主要因素进行了相关技术攻关与创新,达到了提高采面单产和工效之目的,取得了良好的经济效益和社会效益。According to top coal caving mining practical situation of three soft unstability coal seam in Zhengzhou coal mining area,the technics of top coal caving with mechanized mining and suspension supports was studied and applied in three soft coal seam. Relevant transformation and improvements were put into practice aiming at major factor which influenced unit yield in the practice of new technics. The application of above technics achieved the purpose of improving unit yield and efficiency on working face, achieved good economic and social benefits.
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