耐火与石灰 ›› 2023, Vol. 48 ›› Issue (6): 38-39.

• 综述 • 上一篇    下一篇

AOD 精炼炉炉底用镁钙质捣打料的研发与应用

  

  1. (1. 辽宁青花耐火材料股份有限公司,大石桥 115100;
    2. 山西禄纬堡耐火材料有限公司,太原 030009)
  • 出版日期:2023-12-10 发布日期:2023-12-05

Development and application of magnesia-calcium ramming material for#br# AOD refining furnace bottom#br#

  1. (1. Liaoning Qinghua Refractories Co.,Ltd.,Dashiqiao 115100,China;
    2. Shanxi Luweibao Refractory Co.,Ltd.,Taiyuan 030009,China)
  • Online:2023-12-10 Published:2023-12-05

摘要: 以镁钙砂、硅微粉为原料,改性有机粉为添加剂,分别采用蓖麻油和新型有机液态结合剂制备了AOD 精炼
炉炉底用镁钙质捣打料,研究了不同结合剂对镁钙质捣打料性能的影响。试验结果表明:采用新型有机液态结合剂制
备的捣打料在280 ℃、1 000 ℃和1 500 ℃热处理后均具有更好的物理性能。生产应用结果表明:采用新型有机液态
结合剂制备的镁钙质捣打料在某钢厂90 t AOD 精炼炉上使用,其使用寿命达到85 炉。镁钙质捣打料无烟环保、强度
高,能够满足钢厂的使用要求。

关键词: AOD 精炼炉, 捣打料, 结合剂, 力学性能

Abstract: With magnesium and calcium sand and silicon powder as raw materials and organic
modified powder as additive,castor oil and new organic liquid binder were used to prepare AOD
refining furnace bottom,and study the influences of different binders on magnesia-calcium
ramming material performance. The test results show that the ramming materials prepared by new
organic liquid binder has better physical properties after heat treatment at 280 ℃,1 000 ℃ and 1 500 ℃ .
The results show that the magnesia-calcium ramming material prepared by new organic liquid agent
is used in 90 t AOD refining furnace of a steel mill,and its service life reaches 85 heats. MgOCaO
ramming material is smokeless,environment-friendly and high strength, which can meet the
use requirements of steel mills.

Key words: AOD refining furnace, Ramming material, Binder, Mechanical properties

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