• Stability control of the head faces top-coal is one of the key techniques of realizing high production and high efficiency to coal mining in fully mechanized top-coal caving face.

    大倾角松软煤层综放实现高产高效关键之一端面顶煤稳定性控制

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  • 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.

    应用综放开采初期,每当综放工作面回撤,就会发生自燃发火。

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  • In the light of analogue test in laboratory, the stability of roof of fully mechanized working face with top coal caving is studied during withdrawing support at stop line.

    通过实验室相似模拟试验,对综放收尾撤架空间顶板稳定性进行了研究。

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  • In the research field of mining coal, it is a new research direction that three-dimensional graph technology is applied to simulate the production process of fully mechanized coal caving face.

    运用三维图形技术模拟综采工作面生产过程煤炭开采研究领域一个方向

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  • The research results have been applied successfully in the no. 8105 fully mechanized face with sub-level caving of Yanjiahe Coal Mine, and satisfactory technical and economic effects are achieved.

    研究成果燕家河煤矿8105综放成功应用,并取得了满意技术经济效益。

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  • This paper introduces the base demand of back and forth conveyors in fully mechanized top coal caving work face, and introduces how to decide involved size;

    介绍了综采顶煤工艺条件下,对工作面前后部输送机基本要求有关配套尺寸确定方法;

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  • It was succeeded in practical application. It is an useful exploration for the roadway stability control of fully-mechanized top-coal caving long-wall face in soft and thick coal seam.

    成功进行了实践应用,为进一步完善松软煤层长壁综放工作面顺槽稳定性控制理论技术体系进行有益探索

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  • Lengthening the width of isolated fully mechanized top coal caving face would reduce the abutment pressures for both wide and small coal pillars, and the coal pillar width could be reduced.

    加长孤岛综放工作面长度,护巷煤柱煤柱支承压力减小可以减小护巷煤柱宽度

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  • The design of South Tsui million tons of coal mines with an annual output of 0.743 fully mechanized top coal caving mining face design.

    设计煤矿年产0.743百万综采顶煤回采工作面设计。

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  • The design of South Tsui million tons of coal mines with an annual output of 0.743 fully mechanized top coal caving mining face design.

    设计煤矿年产0.743百万综采顶煤回采工作面设计。

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