Cold-air gas burners are commonly used in casting furnaces. However, if the energy consumption is to be reduced as much as possible, regenerative burners with honeycomb ceramic elements have proven effective. With regenerative heating, a specific energy consumption of less than 500 kWh/t is achieved. Controlled flue gas flaps or flue gas fans adjust the furnace atmosphere to create a slightly positive pressure.
Optional extras include side wells or electromagnetic liquid metal pumps for fitting to the furnace wall. Also available are electromagnetic stirrers that ensure uniform temperature distribution and help dissolve the alloying elements. Furthermore, there are special systems for inserting gas lances into the melt.
Furnace capacity: 10 – 120 tons
Melting rate: 1 – 15 tons/hour