Blast Furnace: Overview

Learning Outcomes for this Section

After completing this section, you should be able to:

    * Identify where the blast furnace fits in the total steel production process
    * Describe the blast furnace layout and its auxiliary equipment
    * Explain the blast furnace process
    * Identify raw materials and their preparation
    * Describe the charging procedure & layered structure of the furnace
    * List the different zones and their physical and chemical states
    * Write down the main chemical reaction in different zones
    * Explain the thermodynamics and reaction kinetics of the iron ore reduction
    * Explain the functions of tuyere and raceway and importance of coke combustion
    * Describe the principle energy and mass balance of the process
    * Explain the role of pulverised coal injection (PCI) and injection of other fuels
    * Detail the influence of process parameters such as slag fluxes, blast injectants, blast temperature, coke rate
    * Identify the critical control parameters of the process
    * Describe the products and by-products and their quality control
    * List other alternative ironmaking processes

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Respectfully,
Henry