May 13 - 16, 2008
Gaylord Palms
Orlando, Florida USA

Billet Process and Equipment

065 BP
Thursday, May 15 - 8:00am

Electromagnetic Stirring for Aluminum Furnaces – Industrial Results, Including a Specific Report from EMS Installation at SAPA Heat Transfer, Sweden

A. Johansson -- SAPA Heat Transfer, Sweden;
Olof Sjodén -- ABB AB, Sweden;
B. Carlsson – ABB Inc., Canada;
R. Stål -- Royal Institute of Technology, Sweden

Non-contact Electromagnetic Stirring (EMS) is described, presenting results from 100 customer installations in aluminum melting/holding furnaces. SAPA Heat Transfer reports on optimizing aluminum melting operations. EMS implementation is reviewed; long-term furnace operations data and recent EMS developments/applications in aluminum are presented. Combined EMS and oxy-fuel burner use shows energy consumption and productivity benefits; EMS applied on two-chamber or side-well furnaces.