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Explanation of melting point of refining metallurgical slag in Gongyi
The melting point of slag is controlled in the range of 1300 to 1500 DEG C. The interval between the CaO - SiO2 - Al2O3 base slag in the range of 1350 DEG C is identified from the diagram.
It can be seen from the isothermal curve distribution of melting point in the phase diagram: the effect of Al2O3 on the melting point of CaO - SiO2 - Al2O3 - based slag is very obvious, so Al2O3 is mainly to adjust the melting point of slag. It can be seen from the graph that the melting point of Al2O3 content in the range of 1400 DEG C is controlled in the range of 10 to 30%, which is more reasonable, and the good body condition must be determined according to the actual content of CaO and SiO2