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Sintering of Bahariya Iron Ore Using Anthracite at the Egyptian Iron & Steel Company
Metallurgist ( IF 0.8 ) Pub Date : 2021-05-11 , DOI: 10.1007/s11015-021-01128-7
Abdelrhman Ibrahim Hassan , Mohamed Gamal Khalifa , Mohamed Aziz Meraikib , Belal Saleh Ahmed

The partial and complete replacement of coke breeze with anthracite for sintering Bahariya iron ore at the Egyptian Iron & Steel Company (EISCO) was carried out. The best results were obtained for 25% of coke breeze replaced with anthracite. The specific productivity increased from 0.914 to 1.247 t/m2 /h, the sinter strength increased from 88 to 90%, the porosity increased from 16.25 to 16.89%, and the reducibility increased from 62.94 to 65.42%. The sinter softening interval did not change, remaining 90°C. Replacing 50, 75, and 100% of coke breeze with anthracite reduced the specific productivity, increased the FeO content of the sinter, increased the sinter strength from 88 to 94%, decreased the reducibility from 62.94 to 49.07%, and increased the softening interval from 90 to 113°С.



中文翻译:

埃及钢铁公司使用无烟煤烧结Bahariya铁矿石

在埃及钢铁公司(EISCO)进行了用无烟煤部分和完全替代焦炭微风烧结Bahariya铁矿石的工作。用无烟煤代替25%的焦微风可获得最佳结果。比生产率从0.914增加到1.247 t / m 2 / h,烧结强度从88增加到90%,孔隙率从16.25增加到16.89%,可还原性从62.94增加到65.42%。烧结软化间隔不改变,保持在90℃。用无烟煤代替50、75和100%的焦风会降低比生产率,增加烧结矿的FeO含量,将烧结矿强度从88%提高到94%,将还原度从62.94降低到49.07%并延长软化间隔从90到113°С。

更新日期:2021-05-11
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