| 保德煤矿81305综放工作面煤的自燃特性及防治技术研究 |
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| 引用本文： | 狄 雷. 保德煤矿81305综放工作面煤的自燃特性及防治技术研究[J]. 中州煤炭, 2019, 0(7): 68-71. DOI: 10.19389/j.cnki.1003-0506.2019.07.015 |
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| 作者姓名： | 狄 雷 |
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| 作者单位： | （神华神东煤炭集团 保德煤矿，山西 忻州 036600） |
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| 摘 要： | 为了解和掌握保德煤矿8号煤层自然发火规律，以81305综放工作面为研究对象，进行煤样升温氧化实验，得出8号煤层自燃指标性气体为CO、C2H4。通过现场实测采空区气体变化规律结合数值模拟，得出81305工作面采空区自燃氧化带的范围为:进风侧200~350 m；工作面中部220~400 m；回风侧100~220 m。计算出预防采空区自燃的工作面最安全的推进速度为61.71 m/月。并提出了保德煤矿8号煤层不同开采时期采空区自然发火防治措施。
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| 关 键 词： | 指标性气体 采空区“三带” 工作面推进度 防灭火措施 |
Study on spontaneous combustion characteristics and prevention technology of 81305 working face in Baode Coal Mine |
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| Di Lei. Study on spontaneous combustion characteristics and prevention technology of 81305 working face in Baode Coal Mine[J]. Zhongzhou Coal, 2019, 0(7): 68-71. DOI: 10.19389/j.cnki.1003-0506.2019.07.015 |
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| Authors: | Di Lei |
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| Affiliation: | （Baode Coal Mine of Shenhua Shendong Coal Group，Xinzhou 036600，China） |
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| Abstract: | In order to understand and grasp the spontaneous combustion law of No.8 coal seam in Baode Coal Mine，taking 81305 fully mechanized top coal caving face as the research object，the temperature-rising oxidation experiment of coal samples was carried out，and it was concluded that CO and C2H4 were the index gases of spontaneous combustion in No.8 coal seam.Through on-site measurement and numerical simulation，the range of spontaneous combustion oxidation zone in goaf of 81305 working face were obtained as follows:intake side 200~350 m;central part 220~400 m;return side 100~220 m.The most safe advancing speed of the working face to prevent spontaneous combustion in goaf was calculated to be 61.71 m/month.The prevention and control measures of spontaneous combustion in goaf of No.8 coal seam in Baode Coal Mine in different mining periods were put forward. |
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| Keywords: | indicator gas three zones in gob advancing speed fire-prevention measures |
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