| 高瓦斯矿井6.2m大采高开采关键技术 |
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| 引用本文： | 武华太.高瓦斯矿井6.2m大采高开采关键技术[J].煤炭科学技术,2011,39(8):1-4,67. |
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| 作者姓名： | 武华太 |
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| 作者单位： | 晋城无烟煤矿业集团有限责任公司,山西晋城,048006 |
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| 基金项目： | 国家科技重大专项“晋城矿区采煤采气一体化煤层气开发示范工程”资助项目(2008ZX050603); “十一五”国家科技支撑计划资助项目(2008BAB36B07) |
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| 摘 要： | 研制了大采高液压支架,使工作面采煤机一次截割高度突破了6 m,建立了井上井下立体抽采模式,采用＂三进两回＂高瓦斯工作面通风方式、大断面煤巷快速掘进与支护工艺,形成了一套6.2 m厚煤层一次采全高技术和工艺,在高瓦斯厚煤层条件下实现了安全高效开采,工作面最高日产量达到了3.5万t,工作面年产超过了700万t,巷道掘进月进尺达到了1 800 m,为我国厚煤层高效开采提供了借鉴经验。
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| 关 键 词： | 高瓦斯 厚煤层 大采高 瓦斯抽采 一次采全高 |
Mining Key Technology with 6.2 m High Cutting Height in High Gassy Mine |
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| WU Hua-tai.Mining Key Technology with 6.2 m High Cutting Height in High Gassy Mine[J].Coal Science and Technology,2011,39(8):1-4,67. |
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| Authors: | WU Hua-tai |
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| Affiliation: | WU Hua-tai(Jincheng Anthracite Coal Mining Group Corporation Ltd.,Jincheng 048006,China) |
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| Abstract: | With the research and development of the high cutting hydraulic powered support,a pass cutting height of a coal mining face over 6 m could the made by a coal shearer.A cubic gas drainage mode with the surface and underground boreholes,a ventilation mode of a high gassy coal mining face with three fresh air ways and two air returning ways and a large section seam gateway rapid driving and support technique was developed.Thus a completed set of 6.2 m thick seam one pass full cutting technology and technique w... |
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| Keywords: | high gas thick seam large cutting height gas drainage one pass full seam cutting |
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