高碳鐵液中的Al-C-O平衡

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高碳鐵液中的Al-C-O平衡

李寧, 郭漢杰, 張鑫

文章導航 > 工程科學學報 > 2011 > 33(S1): 73-76

李寧, 郭漢杰, 張鑫. 高碳鐵液中的Al-C-O平衡[J]. 工程科學學報, 2011, 33(S1): 73-76. doi: 10.13374/j.issn1001-053x.2011.s1.019

引用本文:

李寧, 郭漢杰, 張鑫. 高碳鐵液中的Al-C-O平衡[J]. 工程科學學報, 2011, 33(S1): 73-76. doi: 10.13374/j.issn1001-053x.2011.s1.019

LI Ning, GUO Han-jie, ZHANG Xin. Equilibrium of Al-C-O in high-carbon molten iron[J]. Chinese Journal of Engineering, 2011, 33(S1): 73-76. doi: 10.13374/j.issn1001-053x.2011.s1.019

Citation:

LI Ning, GUO Han-jie, ZHANG Xin. Equilibrium of Al-C-O in high-carbon molten iron[J]. Chinese Journal of Engineering, 2011, 33(S1): 73-76. doi: 10.13374/j.issn1001-053x.2011.s1.019

李寧, 郭漢杰, 張鑫. 高碳鐵液中的Al-C-O平衡[J]. 工程科學學報, 2011, 33(S1): 73-76. doi: 10.13374/j.issn1001-053x.2011.s1.019

引用本文:

李寧, 郭漢杰, 張鑫. 高碳鐵液中的Al-C-O平衡[J]. 工程科學學報, 2011, 33(S1): 73-76. doi: 10.13374/j.issn1001-053x.2011.s1.019

LI Ning, GUO Han-jie, ZHANG Xin. Equilibrium of Al-C-O in high-carbon molten iron[J]. Chinese Journal of Engineering, 2011, 33(S1): 73-76. doi: 10.13374/j.issn1001-053x.2011.s1.019

Citation:

LI Ning, GUO Han-jie, ZHANG Xin. Equilibrium of Al-C-O in high-carbon molten iron[J]. Chinese Journal of Engineering, 2011, 33(S1): 73-76. doi: 10.13374/j.issn1001-053x.2011.s1.019

高碳鐵液中的Al-C-O平衡

doi: 10.13374/j.issn1001-053x.2011.s1.019

北京科技大學鋼鐵冶金新技術國家重點實驗室, 北京 100083

基金項目:

高等學校博士學科點專項科研基金資助項目(20110006110001)

通訊作者:
李寧,E-mail:lining924@126.com

中圖分類號: TF512
計量
- 文章訪問數: 266
- HTML全文瀏覽量: 90
- PDF下載量: 8
- 被引次數: 0
出版歷程
- 收稿日期: 2011-07-10
- 網絡出版日期: 2021-07-30

Equilibrium of Al-C-O in high-carbon molten iron

State Key Laboratory of Advanced Metallury, University of Science and Technology Beijing, Beijing 100083, China

摘要: 為了促進鐵水脫硫,在鐵水預處理過程中加Al脫氧,由于鐵水中C含量很高,Al、C同時存在于鐵水中.研究了鐵水中生成Al₄C₃的判定條件,分析了Al₄C₃的生成對Al脫氧的影響.利用熱力學方法,計算了a_Al⁴·a_C3的值,從而對Al-C-O三相平衡進行了分析,通過得出的a_Al⁴·a_C3值繪制了Al-C平衡曲線,并進行了相關討論,以確定Al₄C₃的生成范圍.
- 鐵水 /
- 鋁 /
- 碳化物 /
- 脫氧 /
- 活度系數 /
- 熱力學
Abstract: In order to promote hot metal desulphurization,Al is used to deoxidize during molten iron pretreatment. Because of the high carbon content of hot metal,Al and C exist in hot metal simultaneously. Determinant conditions of Al₄C₃ precipitation were investigated and the effect of Al₄C₃ on aluminum deoxidation was analyzed. The value of a_Al⁴·a_C3 product was calculated by using a thermodynamic method and then the equilibrium of Al-C-O was studied. According to the calculated value of a_Al⁴·a_C3 product,the Al-C equilibrium curve was plotted and the equilibrium was analyzed to determine the composition range in which Al₄C₃ can precipitate from hot metal.
- molten iron /
- aluminum /
- carbides /
- deoxidation /
- activity coefficients /
- thermodynamics

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文章訪問數: 266
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PDF下載量: 8
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