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Experimental Study on the Dearsenization of Hot Metal with CaC2-CaF2 Slag
Author(s): FU Bing, XUE Zheng-liang, WU Guang-liang, WU Li-jia, WU Ying-jiang, KE Chao
Pages: 146-
149
Year: 2010
Issue:
z1
Journal: The Chinese Journal of Process Engineering
Keyword: 铁水; 脱砷; CaC2-CaF2渣系; 动力学;
Abstract: 采用CaC2-CaF2渣系对涟钢含砷较低铁水进行了一系列碳管炉和感应炉脱砷实验研究.研究表明,较高的铁水温度和良好的熔池搅拌有利于获得更好的脱砷效果,而铁水中的硫会对CaC2脱砷产生较大的不利影响.在本实验条件下,CaC2脱砷为固液反应,其限制性环节为砷通过铁水一侧的边界层向CaC2颗粒表面的扩散.同时感应炉实验结果表明,铁水中砷含量随反应时间的增加呈现一直降低的趋势,且采用60%CAC2+40%...
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