INDUSTRIAL EXPERIMENTAL STUDY ON DEPHOSPHORIZATION PRETREATMENT IN COMBINED-BLOWING CONVERTER PROCESS

机译：吹炼转炉过程中脱磷预处理的工业实验研究

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Through industrial experimental study on dephosphorization in 300t combined-blowing converter of Shougang Jingtang Iron & Steel United Co. Ltd., the effects of semi-steel temperature, dephosphorization slag oxidation as well as basicity on dephosphorization rate and phosphorus distribution ratio were studied in this paper. The results showed that the finished phosphorus content of semi-steel finish could be controlled less than 0.030% under the condition of semi-steel temperature and slag alkalinity controlled within 1290°C to 1310°C and 1.9 to 2.5, which could make the average phosphorus content of 0.026% in semi-steel, and the proportion of [P] ≤ 0.030% reached 81.01%. The average phosphorus and dephosphorization rate were improved obviously.

机译：通过首钢京唐钢铁联合有限公司300t复吹转炉脱磷的工业试验研究，研究了半钢温度，脱磷炉渣氧化以及碱度对脱磷率和磷分布比的影响。纸。结果表明，在半钢温度和炉渣碱度控制在1290℃〜1310℃和1.9〜2.5的条件下，可将半钢精加工的成品磷含量控制在0.030％以下。半钢中磷含量为0.026％，[P]≤0.030％的比例达到81.01％。平均磷和脱磷率明显提高。

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《TMS annual meeting exhibition;International symposium on high-temperature metallurgical processing》|2014年|271-278|共8页
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Zhanhui Yan; Xiangdong Xing; Jianliang Zhang; Changliang Zhao; Pei Pei; Jiating Rao;
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Combined-blowing converter; Oxidizability; Dephosphorization rate; Phosphorus partition; Pretreatment;

机译：组合吹气转换器氧化性脱磷率磷分配预处理;

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INDUSTRIAL EXPERIMENTAL STUDY ON DEPHOSPHORIZATION PRETREATMENT IN COMBINED-BLOWING CONVERTER PROCESS

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