• 分析确定综采放顶煤开采工艺易发火地区发火原因

    The easy ignition area in compound mining caving coal process and reason are analyzed and determined.

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  • 综采顶煤技术成为煤层开采高产高效采煤技术。

    Fully mechanized caving mining has became mining technology of high output and efficiency in thick coal seam mining.

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  • 突出危险性的厚煤层采用综采顶煤开采法对消突有积极作用

    Finally, the paper considers that the fully mechanized coal caving mining is helpful to control outburst hazard.

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  • 鹤岗矿业集团公司应用综采放顶煤采煤取得良好经济效益

    We have got good economic benefit by adopting the apply of multiple ceiling coal mining in the Mine Block of Hegang.

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  • 设计煤矿年产0.743百万综采顶煤回采工作面设计。

    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.

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  • 进行水体综采顶煤开采时,可利用给出的计算公式进行导裂缝最大高度计算

    During the fully mechanized top coal caving mining under the water bodies, the given calculation formula could be applied to calculate the Max height of the water conducted fractured zone.

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  • 80年代以来我国煤层综采放顶煤技术得到长足发展已取得显著技术经济效益

    Since 1980's, the full-mechanized caving technology for thick seam in China was rapidly developed with a significant technical and economic benefit.

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  • 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;

    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;

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  • 同时研究分类系统软件综采放顶煤工作面顶煤诊断支架选型机构设计中的应用

    And study the classification system application in diagnosing the caving and drawing characteristics of top-coal, choosing support and designing drawing mechanism.

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  • 综采顶煤工作面自燃发火原因进行了分析,阐述了采取综合性预防措施,及取得了良好效果

    The reason of the spontaneous combustion at fully mechanized workface with top caving are analyzed. The comprehensive preventing measures are elaborated. The good effect is obtained.

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  • 综采放顶煤工作面顺槽掘进过程中,由于顺槽煤层顶板松动破碎并且顺槽采用矩形断面,顶板跨距较大,不利于巷道支护

    During the drivage of main-gate in long-wall face with fully mechanized caving mining, the gate is hard to support due to its loose and broken roof, large cross-section and long span.

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  • 同时顶煤综采工作面的瓦斯治理也是世界各国煤矿瓦斯灾害防治技术薄弱环节

    Simultaneously, the gas control in roof caving and fully mechanized mining is the unsubstantial aspect of prevention measures for gas disasters in all over the world.

    youdao

  • 同时顶煤综采工作面的瓦斯治理也是世界各国煤矿瓦斯灾害防治技术薄弱环节

    Simultaneously, the gas control in roof caving and fully mechanized mining is the unsubstantial aspect of prevention measures for gas disasters in all over the world.

    youdao

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