| 综放开采放煤循环方式的合理确定及顶煤放出率分析 |
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| 引用本文： | 孟宪锐,丁自伟.综放开采放煤循环方式的合理确定及顶煤放出率分析[J].煤炭工程,2011,0(5):1-3. |
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| 作者姓名： | 孟宪锐 丁自伟 |
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| 作者单位： | 中国矿业大学(北京)资源与安全工程学院,北京,100083 |
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| 摘 要： | 根据安家岭二号井工矿B905试验工作面的具体条件，通过对目前常用三种放煤方式de放煤时间和回采率进行了实测比较，决定采用双轮顺序放煤。同时，根据后部输送机运输能力，计算出工作面同时放煤口数，确定了平均分三组单口放煤的放煤循环方式，并对工作面顶煤放出率进行了实测分析。结果表明，该放煤循环方式取得了良好的生产效率，工作面回采率达到84.22%，比试验前单轮顺序放煤提高了7.22%，工作面最高月产达到118万吨。
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| 关 键 词： | 放煤方式 分段双轮顺序放煤 生产效率 顶煤放出率 |
| 收稿时间： | 2011-05-12; |
Rational Determination of Caving Circulation Mode and Analysis on Top Coal Caving Rate for Fully Mechanized Top Coal Caving Mining |
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| MENG Xian-rui,DING Zi-wei.Rational Determination of Caving Circulation Mode and Analysis on Top Coal Caving Rate for Fully Mechanized Top Coal Caving Mining[J].Coal Engineering,2011,0(5):1-3. |
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| Authors: | MENG Xian-rui DING Zi-wei |
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| Affiliation: | MENG Xian-rui,DING Zi-wei(School of Resource and Safety Engineering,China University of Mining and Technology(Beijing),Beijing 100083,China) |
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| Abstract: | According to the certain conditions of No.B905 trial coal mining face in pingshuo Anjialing No.2 mine,with the site measurement comparison between the coal caving time and mining recovery rate of the present common three top coal caving methods,a double round sequence top coal caving was applied.Meanwhile according to the conveying capacity of the rear face conveyor,the simultaneous top coal caving window numbers in the coal mining face were calculated and a top coal caving circulation method with three gro... |
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| Keywords: | top coal caving mode sectional double round sequential mining production efficiency top coal caving rate |
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