Electric Arc Furnace

Make cast steel and alloys on sunlight. The furnace smelts ores and melts scrap at 1,800 to 3,000 degrees Celsius.

2,917Tonnes of cast steel a year
SunlightRuns on the array, unattended
Electric Arc Furnace Cell, front elevation

Alloys and Cast Steel

  • Cast steel
    2,917 tonnes a year from shred, produced for $406.82 per tonne against a conventional price of $420 to $480
  • Ferroalloys
    Ferrochrome, ferrosilicon and manganese alloy on the same 2 Cells, the Crushing and Milling Plant and this furnace; only the charge changes
  • Silicon, silicon carbide, graphite
    Metallurgical silicon to synthetic graphite from quartz and coke

Specification

Rated input600 kilowatts nominal, 850 peak
MaterialsOff the shelf components
Temperature1,800 to 3,000 degrees Celsius
Energy capture80% of array output
Intensity0.50 to 12.0 megawatt-hours per tonne
AcceptsChromite, manganese ore, quartz, petroleum coke, steel scrap, iron

Front elevation

Electric Arc Furnace Cell, front elevation, 12.2 metres long and 2.9 metres high