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对采用氧气顶吹将高碳锰铁从 C6.5—7.0%脱碳至低于1.5%的中碳锰铁生产的传统方法作了一些改变。这些改变包括:利用设置在转炉底部径向上的风嘴,在最低的氧气流速率下利用硅锰合金快速地获得最佳的脱碳温度及具有较好锰收得率程金属和炉渣容易分离的合适的炉渣。
Some changes have been made to the traditional method of producing medium-carbon ferromanganese using decarbonization of high-carbon ferromanganese from C6.5-7.0% to less than 1.5% by oxygen top blowing. These changes include: using a tuyere located radially on the bottom of the converter to rapidly obtain the optimum decarburization temperature with a manganese-manganese alloy at the lowest oxygen flow rates and with a good manganese recovery rate. Metal and slag are easily separated Suitable slag.