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首页> 外文会议>Materials Science Technology Conference and Exhibition >RESEARCH ON THE SUBSTITUTION RATIO OF LIMESTONE FOR ACTIVE LIME IN BOF STEELMAKING PROCESS
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RESEARCH ON THE SUBSTITUTION RATIO OF LIMESTONE FOR ACTIVE LIME IN BOF STEELMAKING PROCESS

机译：BOF炼铁工艺中活性石灰替石灰石替代率的研究

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A new steelmaking process that limestone partly replaces the active lime in BOF has been recently applied in China in order to decrease the cost and promote low-carbon and energy-saving metallurgy. However, the substitution ratio of limestone instead of active lime and its influencing factors are not clear. On the basic of the analysis of mass and energy balance in the BOF process, the substitution ratio was investigated. The results show that the substitution ratio increases with the increase of hot metal temperature and carbon content, and the reduce of the loaded weight of scrap and the tapping temperature. The effect of silicon content in hot metal on the substitution ratio of limestone is complicated. When the carbon content is higher than 3.7%, the substitution ratio decreases with silicon content increasing. When the carbon content is lower than 3.7%, the substitution ratio increases with silicon content rising.
机译：一种新的炼钢工艺，即石灰石部分取代了BOF中的活性石灰已在中国应用，以降低成本并促进低碳和节能冶金。然而，石灰石代替活性石灰的替代率及其影响因素尚不清楚。在BOF过程中质量和能量平衡分析的基础上，研究了替代率。结果表明，替代率随着热金属温度和碳含量的增加而增加，以及减少废料的废料重量和挖掘温度。在石灰石的替换比上硅含量在热金属中的影响复杂。当碳含量高于3.7％时，替代比随硅含量的增加而降低。当碳含量低于3.7％时，替换比率随硅含量上升而增加。

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