Immersion-based melting system and method for aluminum metals and alloys

By designing an immersion melting furnace and utilizing an immersion heater and pump circulation system, the problems of large footprint and frequent maintenance of induction furnaces are solved, achieving efficient melting and purification of metal alloys.

CN121909367APending Publication Date: 2026-04-21TESLA INC
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Patent Information

Application Number
CN202480059909.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2023-09-22
Filing Date
2024-09-20
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

Existing induction furnaces require complex water-cooled copper coils and high-voltage cables to melt metals and metal alloys, which occupy a large area and require frequent maintenance, making it difficult to melt metals efficiently.

Method used

The system employs an immersion melting furnace, utilizing multiple immersion heaters to heat and maintain molten metal, and circulating the liquid metal via pumps. Combined with a purification chamber to remove scum, the system achieves a compact design and ease of maintenance for the melting chamber.

Benefits of technology

It achieves efficient metal melting with a small footprint and low maintenance requirements, capable of melting up to three to ten tons of aluminum alloy per hour, and is easy to clean, improving metal quality and equipment lifespan.

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Abstract

A melting furnace may include a feeding unit configured to supply solid metal; and a heating chamber for heating and maintaining the molten metal. The heating chamber may include a plurality of immersion heaters, wherein each immersion heater is immersed in the molten metal and heats the molten metal. The melting furnace may also include a pump configured to circulate molten metal from the heating chamber to the melting chamber; and a melting chamber configured to receive the solid metal from the feeding unit and the molten metal from the heating chamber, where the solid metal is submerged in the molten metal in the melting chamber and melted to produce a liquid metal. The liquid metal may be circulated from the melting chamber to the heating chamber.
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