ENERGY EFFICIENT WATER-COOLED ELEMENTS FOR FOUNDRY CLASS ELECTRIC ARC STEELMAKING FURNACES

Low energy efficiency of foundry class electric arc steelmaking furnaces (EAF) mainly is caused by heat loss massive lining during forced downtime. A low-power transformer doesn’t allow, in the conditions classical technology, practice traditional water-cooled elements order to replace partially lining, what determines increased refractory consumption. The aim and savings. On basis numerical modeling exchange radiation EAF working space, taking into account capacity, bath shape factor, duration technological period heat, a multiple regression equation for power with cooling water was obtained. Three-row wall panels spatial structure are elaborated, which provide decrease 14 %, comparison two-row ones. Estimates optimal relative cooled surface providing savings up 25-30%, substantiated.