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foamy slag
met. 泡沫渣 (【技】①对电弧炉炼钢而言,电弧炉内形成的泡沫渣会包围住电极电弧,减少电弧向炉衬辐射热量,保护炉衬;同时有利于炉渣吸热,改善电弧向钢水的传热,有利于钢水升温,提高用电效率,减少炉衬损蚀和电极的消耗。②对转炉炼钢而言,在吹氧冶炼过程中,.由于氧气流股与转炉熔池的相互作用,熔池脱碳反应产生的 CO 气泡,大量弥散分布在炉渣中,使炉渣体积极大的膨胀,形成了气-熔渣-金属液混为一体的三相乳化液,即泡沫渣。转炉内形成的泡沫渣极大增加了气-熔渣-金属液的界面,加快了炉内化学反应的速度,缩短了冶炼时间,提高了转炉生产效率。: ① In recent years more EAF operations have begun to use a foamy slag practice. 近年来,更多的电弧炉开始采用泡沫渣操作。② Foamy slag was initially associated with DRI melting operations where FeO and carbon from the DRI would react in the bath to produce CO which would foam the slag. 最初泡沫渣是在熔炼直接还原铁 (DRI) 时出现的, DRI 中的FeO 和碳在熔池中反应生成的 CO 使炉渣泡沫化。)
foamy slag: 7 phrases in 1 subject
Metallurgy7