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鐵礦粉和煤粉復合等溫還原

傅念新,  張圣弼

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文章導航 > 工程科學學報  > 1995 >  17(5): 464-468
傅念新, 張圣弼. 鐵礦粉和煤粉復合等溫還原[J]. 工程科學學報, 1995, 17(5): 464-468. doi: 10.13374/j.issn1001-053x.1995.05.013
引用本文: 傅念新, 張圣弼. 鐵礦粉和煤粉復合等溫還原[J]. 工程科學學報, 1995, 17(5): 464-468. doi: 10.13374/j.issn1001-053x.1995.05.013
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Fu Nianxin, Zhang Shengbi. Isothermal Reduction for Composites of Iron Ore Fines and Coal Fines[J]. Chinese Journal of Engineering, 1995, 17(5): 464-468. doi: 10.13374/j.issn1001-053x.1995.05.013
Citation: Fu Nianxin, Zhang Shengbi. Isothermal Reduction for Composites of Iron Ore Fines and Coal Fines[J]. Chinese Journal of Engineering, 1995, 17(5): 464-468. doi: 10.13374/j.issn1001-053x.1995.05.013
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鐵礦粉和煤粉復合等溫還原

doi: 10.13374/j.issn1001-053x.1995.05.013

  • 北京科技大學理化系, 北京 100083

基金項目: 

國家教委博士點基金資助項目

詳細信息
    作者簡介:

    傅念新,男,34歲,博士

  • 中圖分類號: TF559

Isothermal Reduction for Composites of Iron Ore Fines and Coal Fines

  • Department of Physical Chemistry, USTB, Beijing 100083, PRC

    摘要
  • 摘要: 通過鐵礦粉和煤粉復合圓柱試樣在1100~1250℃等溫還原,研究了還原溫度、還原時間和W煤粉/W礦粉比對還原度的影響,確定了適宜配煤量。用積分法計算了不同還原階段的表現活化能。通過化學分析和電鏡觀察,檢查了試樣沿直徑方向的還原均勻程度。

     

    Abstract: A composite cylindrical column of iron ore fines and coal fines was reduced isothermally at 1 100~1 250℃.The effects of temperature,time and Wcoal/Wore ratio on degree of reduction were studied and suitable additions of coal fines were determined.Activation energy values of the redution at different levels of fracational reaction were calculated with the help of an integration method.The reduction homogeneity of the composite cylindrical column in the radial directions were examined by chemical analysis and SEM observation.

     

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出版歷程
  • 收稿日期:  1995-01-11
  • 網絡出版日期:  2021-09-06

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