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Study on Kinetic Model for Dephosphorization of High-Phosphorus Hot Metal Pretreatment

机译：高磷铁水预处理脱磷动力学模型的研究

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摘要

Focused on the hot metal pretreatment process in the torpedo-car and based on the powder injection metallurgy principle, a kinetic model for dephosphorization of high-phosphorus hot metal pretreatment was developed. The validity of this model was verified by comparison between the experimental results in laboratory and the calculated results. The influences of dephosphorization capacity of molten slag and technological conditions on the dephosphorization efficiency were calculated by applying the model. The results show that lower temperatures are favorable to dephosphorization, CaO content in slag should be controlled at about 50%, suitable initial phosphorus content in the hot metal with higher phosphorus contents is about 0.35% by comprehensively considering various factors, slag systems of higher iron oxide content and higher basicity have higher capacity of dephosphorization.
机译：针对鱼雷车中的铁水预处理过程，并基于粉末冶金原理，建立了高磷铁水预处理脱磷动力学模型。通过比较实验室的实验结果和计算结果，验证了该模型的有效性。应用该模型计算了熔渣脱磷能力和工艺条件对脱磷效率的影响。结果表明，较低的温度有利于脱磷，综合考虑多种因素，高铁渣体系应控制渣中CaO含量在50％左右，高磷铁水中适宜的初始磷含量在0.35％左右。氧化物含量和较高的碱度具有较高的脱磷能力。

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  • 来源
  • 会议地点 Shenyang(CN)
  • 作者

    YANG Fu; BI Xue-gong;

  • 作者单位

    Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education. Wuhan University of Science and Technology, Wuhan 430081, Hubei, China;

    Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education. Wuhan University of Science and Technology, Wuhan 430081, Hubei, China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 炼钢;
  • 关键词

    hot metal pretreatment; dephosphorization; kinetic model;

    机译：铁水预处理；脱磷动力学模型;

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