5.1. Technology and equipment for charge thermal treatment


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.