Mechanisms of cast iron and slag formation
Blast furnace – Quality of Raw Materials and Hot Metal Quality
Quizzed article REF: M7403 V1
Mechanisms of cast iron and slag formation
Blast furnace – Quality of Raw Materials and Hot Metal Quality

Author : Jean-Marc STEILER

Publication date: January 10, 2021, Review date: September 29, 2021 | Lire en français

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6. Mechanisms of cast iron and slag formation

Liquids are formed in the "reactor" located beneath the blast furnace's melting zone, in particular the crucible, by the transfer of gas, solid and liquid matter. . The gangue of the various "pure" materials making up the blast furnace charge is characterized by liquidus temperatures that are generally much higher than those of the final liquid slag, which explains the need to use fluxes (figure 20...

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