| 采煤工作面回风巷沉积煤尘分布规律的研究 |
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| 引用本文： | 王自亮,李鸿彬,李智,赵恩彪.采煤工作面回风巷沉积煤尘分布规律的研究[J].矿业安全与环保,2009,36(Z1). |
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| 作者姓名： | 王自亮 李鸿彬 李智 赵恩彪 |
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| 作者单位： | 1. 煤炭科学研究总院重庆研究院,重庆,400037
2. 淮北矿业集团公司,安徽,淮北,235000 |
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| 摘 要： | 沉积煤尘是产生煤尘爆炸的隐患,因此研究沉积煤尘的分布规律,对科学管理沉积煤尘,预防粉尘爆炸具有重要意义。通过对阳煤集团新景煤矿7206综采工作面回风巷沉积煤尘历时1月的测定,分析了煤尘沉积的特点和粒度分布规律,得出煤尘主要沉积在从工作面上风口到100 m处,沉积煤尘的粒径范围在1~100μm,中位径为20~30μm等重要结论。
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| 关 键 词： | 沉积煤尘 分布规律 煤尘爆炸 |
Research on Distribution Regularity of Deposited Dust in Return-air Way of Coal Face |
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| WANG Zi-liang,LI Hong-bin,LI Zhi,et al.Research on Distribution Regularity of Deposited Dust in Return-air Way of Coal Face[J].Mining Safety & Environmental Protection,2009,36(Z1). |
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| Authors: | WANG Zi-liang LI Hong-bin LI Zhi |
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| Affiliation: | WANG Zi-liang,LI Hong-bin,LI Zhi,et al |
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| Abstract: | The deposited dust is the hidden danger leading to the occurrence of coal dust explosion,so studying the distribution regularity of the deposited dust has important significance to the scientific management of the deposited dust and the prevention of dust explosion.Through one-month measurement of the deposited dust in the return-air way of No.7206 fully mechanized face in Xinjing Mine of Yangquan Coal Group,analysis was conducted on the deposition characteristics and particle-size distribution rule of coal... |
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