Purpose
Charge thermal treatment before metal melting in electric furnaces for the purpose of exhaust gas emission neutralization, decrease of power inputs and increase of furnace productivity.
Technology description
Charge thermal treatment technology is composed of drying for moisture and oil extraction, charge heating till 500-600 °С, afterburning of oil vapor and other drying gases for it neutralization, afterburning heat utilization for charge heating.
Energy-saving data
Technology manufacturing application allows to cut down watt-hour energy usage at 120-150 KW of 1 ton metal production, to increase the furnace productivity at 15-20% and efficiency of primary energy usage till 50%.
Economical data
Pay-back period of technology application – 0,5-1,0 years.