硼铁矿冶炼Fe-Si-B合金的工艺研究

金属学报

1996, Vol. 32

Issue (4): 393-396

论文

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硼铁矿冶炼Fe-Si-B合金的工艺研究

刘素兰;张显鹏;崔传孟

东北大学

METALLURGICAL STUDY ON Fe-Si-B ALLOY FROM LIAONING LUDWIGITE

LIU Sulan; ZHANG Xianpeng; CUI Chuanmeng(Northeastern University; Shenyang 110006)(Manuscript received 1995-06-16; in revised form 1995-11-28)

引用本文:

刘素兰;张显鹏;崔传孟. 硼铁矿冶炼Fe-Si-B合金的工艺研究[J]. 金属学报, 1996, 32(4): 393-396.
, , . METALLURGICAL STUDY ON Fe-Si-B ALLOY FROM LIAONING LUDWIGITE[J]. Acta Metall Sin, 1996, 32(4): 393-396.

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摘要: 建立了以辽东硼铁矿为原料，用碳热还原成碳－铝热还原冶炼Ｆｅ－Ｓｉ－Ｂ合金的工艺，测定了还原时间和温度对合金中Ｂ，Ｓｉ，Ｃ含量的影响以及Ｃ含量与Ｂ和Ｂｉ含量的关系：用熔渣－金属平衡方法对合金进行脱Ａｌ，研究了碱度以及Ｂ２Ｏ３和ＳｉＯ２含量对合金中Ａｌ含量的影响．结果表明，该工艺可使合金中Ｃ含量降至０．１５％，Ａｌ含量小于０．０５％．

关键词 ：硼铁矿, 碳热还原, 铝热还原, Ｆｅ－Ｓｉ－Ｂ合金

Abstract：Fe-Si-B alloy has been produced from the Liaoning ludwigite by carbothermic or carbon-aluminothermic method. The effects of reducing time and temperature on B, Si and C contents in melt were investigated, and the relationship between C content and B and Si contents in melt was also discussed. The residual AI in melt was excluded by means of slag-metal equilibrium method, and the variations of Al content in melt with basicity and B and Si oxides were determined. The experimental results showed that it is feasible to produce Fe-Si-B alloy from Liaoning ludwigite and C and Al in alloy can be controlled down 0. 15% and 0.05% respectively.Correspondent: LIU Sulan, associate professor, P.O. Box 119, (Northeastern University, Shenyang 110006)

Key words： ludwigite carbothermic aluminothermic Fe-Si-B alloy

收稿日期: 1996-04-18

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