| 纳林庙二号井浅埋煤层条件下采煤方法改造 |
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| 引用本文： | 张宁.纳林庙二号井浅埋煤层条件下采煤方法改造[J].煤炭科学技术,2009(10). |
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| 作者姓名： | 张宁 |
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| 作者单位： | 北京天地华泰采矿工程技术有限公司; |
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| 摘 要： | 为了对纳林庙二号井原房柱式开采方法进行技术改造,分析了该矿6-2煤层浅埋深条件下需采用的合理采煤方法,探讨了综采放顶开采及大采高综采在此条件下的适应性,确定了大采高综采在技术上的合理性,进一步采用FLAC3D数值模拟软件分析了该浅埋深条件下大采高综采的矿压规律,并提出了相应的顶板控制技术措施,同时提出了适合该工作面的国产大采高设备配套方案。结果表明:纳林庙二号井6-2煤层在浅埋深条件下采用大采高综采是可以适用的,在对顶板采取措施的情况下,可以保证工作面顶板来压的安全性。
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| 关 键 词： | 大采高综采 采煤方法改造 浅埋深 |
Reconstruction of Coal Mining Method for Shallow Mining Depth Seam in Nalinmiao No.2 Mine |
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| ZHANG Ning.Reconstruction of Coal Mining Method for Shallow Mining Depth Seam in Nalinmiao No.2 Mine[J].Coal Science and Technology,2009(10). |
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| Authors: | ZHANG Ning |
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| Affiliation: | Beijing Tiandi Huatai Mining Engineering Technology Company Ltd.;Beijing 100013;China |
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| Abstract: | In order to have the technical reconstruction on the previous room and pillar mining method in Nalinmiao Mine,the paper analyzed a practical and rational mining method in No.6-2 seam under the shallow mining depth conditions and discussed the suitability of the fully mechanized top coal caving mining and fully mechanized high cutting mining under the above conditions.The paper determined the technical rationality of the fully mechanized high cutting miming.The FLAC3D numerical simulation software was applie... |
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| Keywords: | fully mechanized longwall high cutting coal mining reconstruction of coal mining method shallow mining depth |
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