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›› 2011, Vol. 11 ›› Issue (1): 50-55.

• 反应与分离 • 上一篇    下一篇

高磷铁水预脱磷合理工艺的实验研究

周进东 毕学工 吴杰 黄治成 文志军 熊玮 李勇波 金焱   

  1. 武汉科技大学钢铁冶金及资源利用省部共建教育部重点实验室 武汉科技学院材料与冶金学院 武钢研究院 武汉科技学院材料与冶金学院 武钢研究院 武汉科技学院材料与冶金学院 武钢研究院 武汉科技学院材料与冶金学院
  • 收稿日期:2011-03-07 修回日期:1900-01-01 出版日期:2011-02-20 发布日期:2011-02-20
  • 通讯作者: 周进东

Experimental Study on Rational Technology of Dephosphorization Pretreatment for High Phosphorus Content Hot Iron

ZHOU Dong-jin BI Xue-gong WU Jie HUANG Zhi-cheng WEN Zhi-jun XIONG Wei LI Yong-bo JIN Yan   

  1. Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education, Wuhan University of Science and Technology College of Materials and Metallurgy, Wuhan University of Science and Technology Research and Development Institute of WISCO College of Materials and Metallurgy, Wuhan University of Science and Technology Research and Development Institute of WISCO College of Materials and Metallurgy, Wuhan University of Science and Technology Research and Development Institute of WISCO College of Materials and Metallurgy, Wuhan University of Science and Technology
  • Received:2011-03-07 Revised:1900-01-01 Online:2011-02-20 Published:2011-02-20
  • Contact: ZHOU Dong-jin

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被引次数

21

摘要： 在实验室条件下研究了供氧方式、粉剂用量对高磷铁水(w[P]≈0.6%)脱磷过程的温降和脱磷率的影响. 结果表明，用固体氧脱磷时，渣量多，温降大，磷的氧化速度快，2 min已基本结束反应，脱磷率可达89.45%；用气体氧代替部分固体氧脱磷时，渣量少，温降小，但处理时间较长，且影响最终脱磷效果，当气体氧为75%(w)时，脱磷率仅为51.13%. 合理的高磷铁水预脱磷工艺为严格控制固体脱磷剂的用量，用适量的气体氧(25%左右)代替固体氧，控制较短的处理时间.

关键词: 高磷铁水, 预脱磷, 温降

Abstract: The effects of oxygen supply method and flux consumption on temperature drop during the dephosphorization process and efficiency of high phosphorus hot iron with about 0.6%(w) phosphorus were studied in laboratory. The results revealed that by using pure solid form oxygen the slag volume was big, temperature drop great, and phosphorus oxidation rate was fast, the reaction was basically completed for 2 min with dephosphorization rate up to 89.45% while by partially replacing solid form oxygen with gaseous oxygen, slag volume was smaller, temperature drop less, but the treatment time was longer and the final dephosphorization efficiency was negatively affected. Dephosphorization rate was only 51.13% when gaseous oxygen content reached 75%. The rational dephosphorization pretreatment technology for high phosphorus hot iron should be close control of solid dephosphorization agent consumption, replacement of solid form oxygen with proper amount of gaseous oxygen at about 25% and control of shorter pretreatment time.

Key words: high phosphorus content hot iron, dephosphorization, temperature drop

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