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首页> 外文期刊>ISIJ international >Improving the Softening and Melting Properties of Ferrous Burden with High Al2O3 Content for Blast Furnace by Ore Blending
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Improving the Softening and Melting Properties of Ferrous Burden with High Al2O3 Content for Blast Furnace by Ore Blending

机译：通过矿石混合改善用高Al 2 O 3 含量的含铁负荷的软化和熔化性能

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摘要

In order to solve the problem of poor gas permeability of blast furnace caused by high Al_(2)O_(3) content in the burden, the softening and melting properties of sinter, pellets and lump ores are studied in this paper. The results show the differences between acid and basic iron ore materials. Based on this, this article study the influence of different kinds of pellets and lump ores blending with sinter on the softening and melting properties of comprehensive burdens. The results show that the self-fluxing pellet and porous lump ore with high aluminium content caused the Al_(2)O_(3) content of comprehensive burden to raise 0.26% compared to acid pellet and dense lump ore with low aluminium content. However, the highest pressure drop of comprehensive burden is reduced from 2.50 kPa to 1.70 kPa, the S-value is decreased from 198 kPa?°C to 114 kPa?°C. Therefore, this method of ore blending will improve the softening and melting properties of integrated burden.
机译：为了解决由负荷负担的高Al_（2）O_（3）含量引起的高炉渗透性差的问题，本文研究了烧结，粒料和肿块矿石的软化和熔化性能。结果表明酸和碱性铁矿石材料之间的差异。基于这一点，本文研究了不同种类的颗粒和肿块的影响与烧结综合负担的软化和熔化性能。结果表明，具有高铝含量的自助芯片和多孔肿块矿石导致AL_（2）O_（3）含量的综合负担含量为0.26％，与酸颗粒和致密块矿石含有低铝含量。然而，综合负担的最高压降从2.50 KPA降至1.70 KPA，S值从198 KPA℃降至114 KPA？°C。因此，这种矿石混合方法将改善综合负担的软化和熔化性能。

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