• 通过分析距离保护开采水力掏槽边抽边技术防治煤与瓦斯突出原理及实践应用,从而有利于煤与瓦斯突出矿井选择合理有效的防突技术。

    The paper researchs the principle of protective seam mining, hydraulic slotting method and executing-digging technology to avoid risk of coal-gas outburst, and its practices in coal mine.

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  • 根据渗流理论,本文对沿钻孔周围的瓦斯渗流问题进行模拟实验研究

    According to seepage theory, the gas seepage from drainage hole along coal seam is studied by means of electrical simulation experiment.

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  • 石油溶液是以沥青质为中心,胶质为溶剂瓦斯油分分散介质的胶体分散体系。

    The petroleum solution is a colloidal dispersion in which the asphaltene comprises the micellar nucleus, the resin forms the solvation layer and the remaining gas oil ACTS as the dispersing medium.

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  • 论文主要是针对远程保护开采条件下,巷上向穿钻孔抽放远程瓦斯技术进行了深入研究。

    This paper mainly researches on the technique of draining long distance pressure relief gas in bed plate tunnel under the circumstance of mining protective coal seam.

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  • 突出压后用钻孔瓦斯涌出速度进行工作面预测效果检验时经常超过突出临界值,造成开采保护后煤突出危险性更大现象。

    The main factors affecting the initial speed are studied and the causes of initial speed from borehole gas emission often exceeding limit theoretically explained.

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  • 保护开采保护瓦斯治理一项非常重要工作

    When the protective coal seam is mined, the gas management on the protected coal seam is a very important job.

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  • 前言:介绍保护底板巷向保护工作面施工下向穿钻孔采保护工作面采空区瓦斯的具体做法,对取得的效果进行了分析总结

    This paper introduced the technical of using drilling downward hole from working surfale in protective coat bottom tu pull out goaf gas, and the effects were analysed and summarized.

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  • 针对瓦斯炮采工作面上隅角瓦斯治理,利用本上采空区压释放,进行尝试实验效果明显

    Aimed at top corner gas management at the low gas blasting face, by upper goaf drainage with decompression in self coal seam, the experience is tried, the effect is obvious.

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  • 突出钻孔施工由于受到施工技术的限制达不到预定深度影响瓦斯抽放效果。

    The drilling operation of long holes along outburst coal seam usually can't reach their preset depth since it is handicapped by drilling techniques, which will thus influence gas drainage effect.

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  • 采用顶板水平钻孔邻近采空区瓦斯一项技术,全面介绍技术研究最新进展

    Applying long horizontal roof rock hole to drain the gas from adjacent seam and goaf is a new technique. In this paper, introduces the latest progress of this technique is introduced fully.

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  • 模拟结果保护开采保护卸压瓦斯抽采设计提供合理建议

    Simulation results may bring forward reasonable Suggestions for the design of protective layer mining and relief-pressure gas drainage.

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  • 消突效果检验后进行煤巷掘进,掘进期间通过突出危险性指标瓦斯涌出参数分析,验证穿钻孔区域预瓦斯消突技术的有效性

    The outburst risk index and gas gush feature are analysed during roadway progress. The result proves that the effectiveness of zonal gas pre-drainage by cross-measure boreholes.

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  • 消突效果检验后进行煤巷掘进,掘进期间通过突出危险性指标瓦斯涌出参数分析,验证穿钻孔区域预瓦斯消突技术的有效性

    The outburst risk index and gas gush feature are analysed during roadway progress. The result proves that the effectiveness of zonal gas pre-drainage by cross-measure boreholes.

    youdao

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