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Pulverizing reason of LF slag and its effect on wear of MgO-C bricks for slag line of LF furnace
Author(s): 
Pages: 54-55,58
Year: Issue:  1
Journal: REFRACTORIES

Keyword:  LF渣粉化MgO-C砖渣线LF炉损毁;
Abstract: 采用xRD和化学分析等方法对LF渣的粉化原因及其对渣线用MgO-C砖的损毁进行了研究.结果表明:LF渣粉化的原因与其碱度(CaO与SiO2的质量比)及C2S的数量无关,而在于α′-C2S是否转变为γ-C2S(伴随12%的体积膨胀);LF渣粉化后,在镁碳砖工作面上不仅不能形成具有保护作用的挂渣层,而且导致工作面松散、掉块,因此造成砖的损毁加剧.
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