从相图分析和岩相观察出发,对转炉(低磷)终渣的性质进行分析。在此基础上,用工业生产中氧气转炉出钢渣的数据,计算高温状态下的相平衡,并将计算结果加以数学处理,得到了FeO_n含量与经析出晶体(C_2S,C_3S,CaO)后的转炉(低磷)炉渣内所残存的液相量之间关系。论证了控制渣中FeO_n对转炉渣性质的重要性。对炉渣粘度、“化渣”概念、转炉造渣原则以及炉渣性质的研究等问题进行了讨论。
The effect of FeO_n on the properties of converter end slag (low P content)has been studied with phase diagram analysis and petrograph observation. Referring data taken from end slag of oxygen blown converter to the CaO-SiO_2-FeO_n system, the phase equilibrium under elevated temperatures is calculated and regressed.Thus, the relationship between FeO_n contained and percentage of balanced liquid phase in converter slag (low P content), of which C_2S, C_3S and CaO already crystallized out, may be obtained. It is demonstrated that adjustment of FeO_n content is significant of relation to the properties of the converter end slag.Furthermore, certain problems such as the slag viscosity, "slag melting" and slag making with respect to slag properties have also been discussed.
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