Hearth-type melting furnaces

OTTO JUNKER supplies a broad range of custom-designed melting furnaces for any production processes employed in the aluminium industry – from DC casting of rolling slabs, T-bars and extrusion billets, sheet or plate through to wire/rod making, conventional ingot casting lines, etc.

Dry-hearth furnace systems are a reliable solution for melting down ingots, sows and heavy scrap containing a free ferrous portion (e.g., automotive castings).

The iron content is reclaimed from the dry hearth once the aluminium scrap has molten down

• Melting rates: 1 - 30 tonnes/hour
• Capacities: 2 - 150 tonnes
• Available burner systems:
  - ambient air burners
  - recuperative burners
  - regenerative burners
  - O₂ burners

• Minimum energy consumption thanks to specific furnace design
• Proven furnace pressure control system
• Unique module doors
• Door clamping system ensuring a perfect seal
• Prefabricated door lintel refractory systems for low maintenance