The Trend of Aluminum Alloy Melting and Casting Development
Release time: 2024-11-27
The fusion furnace adopts a new type of furnace and refractory materials for masonry
1. The development trend of energy conservation and environmental protection
The fusion furnace adopts a new type of furnace and refractory materials for masonry, which increases insulation effect, improves thermal efficiency, fully utilizes waste heat, and reduces comprehensive energy consumption. For example, the smelting furnace adopts a regenerative automatic control combustion system, magnetic stirring, and a split type furnace door, which directly uses electrolytic aluminum liquid as raw material; Desulfurization and dust removal, reducing smoke and dust emissions. Energy conservation and environmental protection are inevitable trends in the development of casting.
2. The development trend of pure melt
The internal quality of the ingot depends on the purity of the melt, that is, the gas and slag content of the melt should be as low as possible, the impurity content should be as low as possible, and the grain refinement effect should be good. The insulation furnace adopts a tilting type to reduce the drop and aluminum liquid impact, reduce secondary pollution and turbulence. The furnace bottom is equipped with breathable bricks or a rotating rotor degassing system for melt purification, and an effective and stable online purification system is used.
3. The development trend of casting crystallizer
The use of a low-level crystallizer and automatic control casting, especially the use of automatic lubrication or graphite plate (ring) air sliding crystallizer casting, can improve the surface quality of ingots, especially high magnesium aluminum alloys. Improve the surface flatness of the ingot and reduce the thickness of the shell layer, reduce the amount of sawing and milling of the ingot, and improve the casting yield. The application of pulse water technology for automatic control casting of hollow ingots can solve the problem of "core holding" and reduce the tendency of cracks at the bottom of hard alloy ingots.
4. The development trend of reducing production costs
By optimizing production processes, improving production efficiency, and reducing metal burning, we can enhance production efficiency. By using methods such as rapid melting and isothermal melting to reduce metal burnout, some aluminum alloys can be directly made from electrolytic aluminum liquid as raw material. Aluminum processing enterprises can directly purchase ingots and cast rolled coils for hot and cold rolling processing, which can reduce production costs.
5. The development trend of improving casting technology
Large scale ultra-high strength alloy casting, electromagnetic casting, intelligent casting, etc. are applied in composite casting, which not only saves energy but also improves production efficiency and yield.
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