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首页> 外文期刊>ISIJ international >Activity of CaO in CaO-SiO_2-Al_2O_3-MgO Slags
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Activity of CaO in CaO-SiO_2-Al_2O_3-MgO Slags

机译：CaO在CaO-SiO_2-Al_2O_3-MgO渣中的活性

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摘要

The activity of CaO in CaO-SiO_2-Al_2O_3-MgO slags for blast furnace smelting was determined by a modified slag-metal equilibrium technique with Sn as the solvent metal and a known a_((CaO)) slag as the reference slag. Iso-activity contours of CaO in the CaO-SiO_2-Al_2O_3-MgO pseudo-ternary system at w(Al_2O_3)=15% and w(MgO)/w/(Al_2O_3)=0.35 were achieved from the measured values. Effects of R (basicity, R=w(CaO)/w(SiO_2)), w(MgO)/w(Al_2O_3) and w(Al_2O_3) on a_((CaO)) were discussed. R was significant on a_((CaO)) and a_((CaO)) increased obviously with the increase of R at 1 873 K. a_(CaO) increased with the increase of w/(MgO)/w(Al_2O_3) when R is 1.05 and w(Al_2O_3) is 15%. However, the effect of w(MgO)/w(Al_2O_3) on a_((CaO)) was not obvious for the slags with R= 1.20. With the increase of w(Al_2O_3), a_((CaO)) decreased at fixed R= 1.05 and w(MgO)/w(Al_2O_3) = 0.35. When R is 1.20, a_((CaO)) increased with the increase of w(Al_2O_3).
机译：采用改进的炉渣-金属平衡技术，以锡为溶剂金属，以已知的α_（（CaO））炉渣为参比炉渣，测定了高炉冶炼用CaO-SiO_2-Al_2O_3-MgO炉渣中CaO的活性。由测量值得到CaO-SiO_2-Al_2O_3-MgO假三元系中CaO的等活度等值线，w（Al_2O_3）= 15％，w（MgO）/ w /（Al_2O_3）= 0.35。讨论了R（碱度，R = w（CaO）/ w（SiO_2）），w（MgO）/ w（Al_2O_3）和w（Al_2O_3）对a _（（CaO））的影响。 R在a _（（CaO））上是显着的，而a _（（CaO））在1873 K处随R的增加而明显增加。当R时，a_（CaO）随着w /（MgO）/ w（Al_2O_3）的增加而增加。为1.05，而w（Al_2O_3）为15％。然而，对于R = 1.20的炉渣，w（MgO）/ w（Al_2O_3）对a _（（CaO））的影响并不明显。随着w（Al_2O_3）的增加，a _（（CaO））在固定R = 1.05和w（MgO）/ w（Al_2O_3）= 0.35的情况下降低。当R为1.20时，a _（（CaO））随w（Al_2O_3）的增加而增加。

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  • 来源
    《ISIJ international》 |2018年第5期|792-798|共7页
  • 作者

    Qiulin WEN; Fengman SHEN; Haiyan ZHENG; Jiyang YU; Xin JIANG; Qiangjian GAO1;

  • 作者单位

    School of Metallurgy, Northeastern University, Shenyang, Liaoning, 110819 China;

    School of Metallurgy, Northeastern University, Shenyang, Liaoning, 110819 China;

    School of Metallurgy, Northeastern University, Shenyang, Liaoning, 110819 China;

    Manufacturing Department, HBIS Group Tangsteel Company, Tangshan, Hebei, 063000 China;

    School of Metallurgy, Northeastern University, Shenyang, Liaoning, 110819 China;

    School of Metallurgy, Northeastern University, Shenyang, Liaoning, 110819 China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    activity of CaO; CaO-SiO_2-Al_2O_3-MgO system; blast furnace; reference slag; w(MgO)/ w(Al_2O_3);

    机译：CaO的活性;CaO-SiO_2-Al_2O_3-MgO体系;高炉;参考渣w（MgO）/ w（Al_2O_3）;

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