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ADDITION OF ELECTRIC ARC FURNACE DUST IN HOT METAL

机译:铁水中电炉渣的添加

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The aim of this work was evaluation of the recovery of Zn and Fe of the EAFD added to the hot metal in the form of briquette at temperature of 1500°C. The EAFD was agglomerated by cold briquetting and introduced in the hot metal. This study utilized a bench-scale equipment to melt, during this process to kept a flow rate of inert gas above the bath. Were collected periodically metal samples and the samples were analyzed for determination of the content of total silicon and carbon by chemical analysis. Zinc oxide, zinc ferrite and other oxides were reduced and were volatized and collected by a cleaning system of dust (baghouse) located on top of the oven. More than 98% of iron were recovered from EAFD during the test. It was possible to produce a dust containing about 68% zinc by means of adding of EAFD.
机译:这项工作的目的是评估在1500°C的温度下以团块形式添加到铁水中的EAFD的Zn和Fe的回收率。 EAFD通过冷压块而结块,并引入铁水中。这项研究利用台式规模的设备进行熔化,在此过程中,将惰性气体的流量保持在镀液上方。定期收集金属样品,并通过化学分析对样品进行分析,以确定总硅和碳的含量。氧化锌,铁酸锌和其他氧化物被还原,并通过位于烤箱顶部的灰尘清洁系统(袋滤室)挥发并收集。在测试过程中,从EAFD中回收了超过98%的铁。通过添加EAFD可以产生含锌量约68%的粉尘。

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