| “三软”煤层掘进工作面注水混合水溶液的选择与应用 |
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| 引用本文： | 张金山,马猛,范忠明,李晨,刘小超. “三软”煤层掘进工作面注水混合水溶液的选择与应用[J]. 煤矿安全, 2013, 0(2): 83-86 |
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| 作者姓名： | 张金山 马猛 范忠明 李晨 刘小超 |
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| 作者单位： | 内蒙古科技大学矿业工程学院;神华集团乌海能源公司平沟煤矿 |
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| 摘 要： | 为了减少煤壁片帮、防止掘进面顶板的冒落、降低煤体的产尘能力及煤尘飞扬程度,平沟煤矿采用对掘进工作面超前深孔注入含有表面活性剂、黏结剂为主要成分的混合水溶液的技术。结果表明;对掘进工作面超前注入混合水溶液能有效地防治煤壁片帮和掘进面顶板的冒落、降低工作面的粉尘浓度。
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| 关 键 词： | 煤层注水 煤壁片帮 顶板冒落 混合水溶液 |
Selection and Application of the Mixed Aqueous Solution in Three-soft Coal Seam Heading Faces Injection |
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| ZHANG Jin-shan,MA Meng,FAN Zhong-ming,LI Chen,LIU Xiao-chao. Selection and Application of the Mixed Aqueous Solution in Three-soft Coal Seam Heading Faces Injection[J]. Safety in Coal Mines, 2013, 0(2): 83-86 |
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| Authors: | ZHANG Jin-shan MA Meng FAN Zhong-ming LI Chen LIU Xiao-chao |
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| Affiliation: | 1(1.School of Mining Engineering,Inner Mongolia University of Science and Technology,Baotou 014010,China; 2.Pinggou Coal Mine,Wuhai Energy Company of Shenhua Group,Wuhai 016013,China) |
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| Abstract: | In order to reduce coal wall spalling,prevent roof caving of heading face,decrease dust producing capacity of coal body and dust degree,Pinggou coal mine applies the technology of grouting mixture which takes super face active agent and caking agent as its main ingredient in advanced deep hole of heading face.The result shows that it can effectively prevent coal wall spalling,roof caving and reduce the dust concentration of working face. |
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| Keywords: | coal seam water injection coal wall spalling roof caving the mixed aqueous solution |
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