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Research of slag corrosion resistance of chrome free refractories for RH vessel lining
Author(s): 
Pages: 357-360
Year: Issue:  5
Journal: REFRACTORIES

Keyword:  RH炉无铬耐火材料镁锆砖抗渣性;
Abstract: 对镁锆质、镁尖晶石质、镁尖晶石钛质和镁尖晶石锆质4种典型的无铬耐火材料的抗渣侵蚀性能进行了研究,并与RH真空炉下部槽用镁铬砖进行了对比.结果表明:炉渣对耐火材料的侵蚀主要是通过炉渣中铁氧化物、CaO、SiO2和MnO向材料内部扩散而产生的侵蚀反应造成的.镁锆质材料中的ZrO2吸收炉渣中的CaO生成高耐火性能的CaO·ZrO2,使镁锆材料较其他3种MgO基无铬耐火材料具有更优良的抗炉渣侵蚀性.
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