| 矸石易泥化高灰原煤重介质分选工艺研究 |
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| 引用本文： | 孙华峰.矸石易泥化高灰原煤重介质分选工艺研究[J].中国煤炭,2012,38(6):80-84. |
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| 作者姓名： | 孙华峰 |
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| 作者单位： | 煤炭科学研究总院唐山研究院,河北省唐山市,063012 |
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| 摘 要： | 介绍了矸石易泥化高灰原煤重介质分选的技术基础,制作了新型旋流器的试验模型,试验研究取得了理想的分选效果,探索了矸石易泥化高灰原煤重介质分选工艺的工业应用可行性。利用FLUENT软件对新型旋流器的速度场进行数值模拟,通过流场的数值模拟观察了重介质旋流器的理论分选过程,为旋流器参数优化、结构改进提供了经济高效的途径,揭示了矸石易泥化高灰原煤分选旋流器能够实现高效分选的机理,从而为旋流器的工业应用奠定了基础。
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| 关 键 词： | 矸石易泥化高灰原煤 重介质分选工艺 重介质旋流器 数值模拟 |
Research on heavy media separation process for high-ash raw coal with gangue easily-mudding |
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| Sun Huafeng.Research on heavy media separation process for high-ash raw coal with gangue easily-mudding[J].China Coal,2012,38(6):80-84. |
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| Authors: | Sun Huafeng |
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| Affiliation: | Sun Huafeng(Tangshan Research Institute,China Coal Research Institute,Tangshan,Hebei 063012,China) |
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| Abstract: | This paper introduces the technical basis of heavy media separation process for high-ash raw coal with gangue easily-mudding.A test model of the new heavy media cyclone is made and an ideal separating effect is obtained.The practical feasibility of the process is explored.The FLUENT software is used to do a numerical simulation on the speed field of the new cyclone and its separation process is observed.It provides economical and high-effective way for parameter optimization and structural improvement of cyclone.It also reveals the efficient sorting mechanism of the separating cyclone for high-ash raw coal with gangue easily-mudding and establishes a foundation for the industrial applications of the cyclone. |
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| Keywords: | high-ash raw coal with gangue easily-mudding heavy media separation process heavy media cyclone numerical simulation |
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