
An electric arc furnace (EAF) isa furnace that heats material by means of an electric arc.
Industrial arc furnaces range in size from small units of approximately one-tonne capacity (used in foundries for producing cast iron products) up to about 400-tonne units used for secondarysteelmaking. Industrial electric arc furnace temperatures can reach up to 1,800 °C.
An electric arc furnace used for steelmaking consists of a refractory-lined vessel, usually water-cooled in larger sizes, covered with a retractable roof, and through which one or more graphite electrodes enter the furnace. The furnace is primarily split into three sections:
• the shell, which consists of the sidewalls and lower steel “bowl”;
• the hearth, which consists of the refractory that lines the lower bowl;
the roof, which may be refractory-lined or water-cooled, and can be shaped as a section of a sphere, or as a frustum (conical section). The roof also supports the refractory delta in its centre, through which one or more graphite electrodes enter.
EAF EBT / TAPHOLE AREA
EAF WALL & BANK AREA
EAF PANEL AREA
EAF HERATH AREA
EAF ROOF / DELTA AREA
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- khemkarefractories@hotmail.com
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