| 取煤器结构与选型的探讨 |
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| 引用本文： | 徐恩峰.取煤器结构与选型的探讨[J].煤炭技术,2008,27(5):160-161. |
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| 作者姓名： | 徐恩峰 |
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| 作者单位： | 黑龙江省煤田地质勘察院,哈尔滨,150001 |
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| 摘 要： | 对于煤田地质钻探,改进取煤工具结构与造型是提高煤芯采取质量的途径。加快煤系地层钻进效率,缩短钻孔施工周期,才是工程质量的核心。
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| 关 键 词： | 双管双动 双管单动 取煤器 卡簧结构 |
| 文章编号： | 1008-8725(2008)05-0160-02 |
| 修稿时间： | 2008年3月4日 |
Study on Structures and Types of Machines of Abstracting Coal From Structure and Selection |
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| XU An-feng.Study on Structures and Types of Machines of Abstracting Coal From Structure and Selection[J].Coal Technology,2008,27(5):160-161. |
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| Authors: | XU An-feng |
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| Abstract: | The coalfield geological drilling,improving from coal structure and modeling tools is to improve the quality of coal core Birzhan way.Speed up the strata drilling efficiency,and shortened the borehole construction cycle,the quality of the project is core. |
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| Keywords: | transmitting by double pipes transmitting by single pipe from coal kahuang structure |
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