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首页> 外文期刊>Scandinavian Journal of Metallurgy >Effects of ferrosilicon particle size on reduction rate of chromium oxide in slag
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Effects of ferrosilicon particle size on reduction rate of chromium oxide in slag

机译:硅铁粒度对炉渣中氧化铬还原率的影响

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摘要

For a successful stainless steelmaking process, it is necessary to reduce Cr oxide in slag, using ferrosilicon alloy, as quickly as possible. The effects of particle size on the melting rate of ferrosilicon alloy were investigated by monitoring melting behavior of ferrosilicon alloys both on stainless steel melt and on the slag using a video camera. The reduction experiment using an induction furnace of 50-kg capacity was also carried out. The experimental results indicated that the smaller the particle size, the shorter the melting time, and it is shorter on steel melt than on slag. It was found that the reduction rate is controlled by the melting rate at the initial stage of reaction, but after the initial stage, the transfer of chromium oxide controls the overall rate.
机译:为了成功地进行不锈钢制造,必须使用硅铁合金尽快还原炉渣中的Cr氧化物。通过使用摄像机监视硅铁合金在不锈钢熔体和炉渣上的熔化行为,研究了粒径对硅铁合金熔点的影响。还使用容量为50 kg的感应炉进行了还原实验。实验结果表明,粒径越小,熔化时间越短,钢水比矿渣短。发现还原速率在反应的初始阶段由熔融速率控制,但是在初始阶段之后,氧化铬的转移控制了总速率。

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