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<p>The chemical composition of a&#xa0;highly basic sinter was calculated using a&#xa0;feedstock with a&#xa0;high proportion of iron-bearing waste materials. Calculations confirm that the use of high-basicity sinter (1.2–4.0&#xa0;units per ton) can drastically cut limestone consumption. Specifically, charging 350 kg per ton of hot metal into a&#xa0;furnace operating on low-basicity pellets (0.32–0.36 units) provides the required flux balance. This consequently reduces the specific coke rate and increases blast furnace productivity.</p>

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Blast furnace smelting technology using sinter of varying basicity in the charge

  • 期刊论文

  • 发表日期：

    2026年2月1日

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  • A. V. Kuzin,
  • Ya. Yu. Aslamova,
  • S. S. Bezmilicin

摘要

The chemical composition of a highly basic sinter was calculated using a feedstock with a high proportion of iron-bearing waste materials. Calculations confirm that the use of high-basicity sinter (1.2–4.0 units per ton) can drastically cut limestone consumption. Specifically, charging 350 kg per ton of hot metal into a furnace operating on low-basicity pellets (0.32–0.36 units) provides the required flux balance. This consequently reduces the specific coke rate and increases blast furnace productivity.