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镁铬砖特点及转炉应用介绍

时间:2019-02-18 17:18 来源:耐火砖厂家点击:次

  镁铬砖是由烧结镁砂(MGO含量89%-92%)和耐火级铬砖为主要原料,经混炼、高压成型、干燥、在1550-1600度中烧制而成的。由于杂质含量多,耐火晶粒间为硅酸盐结合,所以烧成的普通镁铬砖又称为硅酸盐结合镁铬砖,简称镁铬砖。制造镁铬砖的主要原料是烧结镁砂和铬铁矿。镁砂原料的纯度要尽可能高,铬铁矿化学成分的要求为:Cr2O3:30~45%,CaO:≤1.0~1.5%。
 

  镁铬砖
 

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