Roller-hearth furnace for annealing and tempering of special steel plates

1. Front-side view

• furnace inside width 3,500 mm
• effective width 3,150 mm
• total length 69,930 mm
• heated length 66,045 mm
• plate dimensions                 
  • thickness 2.8 to 12.5 mm
  • width 1,500 to 3,150 mm
  • length 6,000 to 15,200 mm
• furnace atmosphere - nitrogen
• working temperatures                    
• 750 až 940 °C for annealing
• 560 až 700 °C for tempering
• heating with electric radiant tubes KANTHAL, 288 pcs
• total output  11,664 kW

(This equipment is mentioned in the Kanthal brochure as the largest order of all time)

2. Furnace entry

3.-5. Furnace erection