Twin-Shell DC Arc Furnace

A twin-shell furnace includes two EAF vessels with a common arc and power supply system. The system increases productivity by decreasing tap-to-tap time, and reduces energy consumption by reducing heat losses.

Development Status Products
Commercial
EAF Steel

Twin-Shell DC Arc FurnaceCosts & Benefits

Parent Process: Electric Arc Furnace
Energy Savings Potential

Electricity savings are 0.068GJ/t-steel.

CO2 Emission Reduction Potential

Emissions reduction potential of the technology is 11.1KgCO2/t-steel.

Costs

Retrofit capital cost is $9.4/t-steel over that of a single-shell furnace. The payback time is estimated as 3.5 years..

Twin-Shell DC Arc Furnace Publications

Available and Emerging Technologies for Reducing Greenhouse Gas Emissions from the Iron and Steel Industry

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