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以CO2-O2混合喷吹炼钢烟尘为研究对象,利用Fe、Mn蒸汽压的不同,在铁水中添加Fe-Mn合金,以Mn作为示踪元素,通过研究熔池、烟尘中Mn含量和熔池与烟尘中Mn/Fe比,共同探索炼钢烟尘的形成机理。实验结果表明:CO2-O2混合喷吹使得炼钢烟尘中Mn的蒸发量增加且以废钢为原料的炼钢烟尘生成满足蒸发理论,以生铁为原料的炼钢烟尘生成是蒸发理论与气泡理论共同作用的结果。
Taking CO2-O2 mixed blowing soot as the research object, using Fe and Mn vapor pressure, Fe-Mn alloy was added into the molten iron to Mn as tracer element. Pool and soot Mn / Fe ratio, to explore the formation mechanism of smelting dust. The experimental results show that the CO2-O2 mixed blowing increases the evaporation of Mn in steelmaking soot and the generation of steelmaking dust with scrap as raw material meets the evaporation theory. The generation of steelmaking soot with pig iron as raw material is the result of evaporation theory and bubble theory The result of the action.