| 摘要 |
The present invention discloses an agent for steel-making formed by aluminum-making slag, which is used by adding to molten steel, wherein said agent comprises: metal aluminum, aluminum oxide, silicon dioxide, magnesium oxide, and calcium oxide. Said agent for steel-making is a deoxidizing agent, modifying agent, and slag regulating agent for steel-making. Said deoxidizing agent or modifying agent for steel-making may comprise by mass percentage 25-70% Al, 3-30% Al2O3, 10-30% CaO, 5-15% MgO, 3˜10% SiO2, and a small amount of impurities. Said slag regulating agent for steel-making may comprise by mass percentage 5-20% Al, 25-70% Al2O3, 10-50% CaO, 5-15% MgO, 3˜10% SiO2, and a small amount of impurities. The agent for steel-making of the present invention facilitates removing sulfur and other impurities from molten steel. In addition, the greatest advantage of this product lies in that it is capable of decreasing total cost of steel-making and improving efficiency of steel-making.
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