For aluminum casting and recycled aluminum production, gas consumption is an important operating parameter for an aluminum melting furnace. The PDF describes a 20-ton tilting aluminum melting furnace using regenerative natural gas combustion. The furnace is designed for melting aluminum and aluminum alloy scrap, followed by skimming, refining, temperature adjustment, and preparation of molten aluminum for casting.
Regenerative Combustion and ≤65 Nm³/t-Al
The furnace uses a pair of regenerative burners that alternate between combustion and exhaust. Heat from the flue gas is recovered through the regenerator and used to preheat combustion air. The proposal specifies flue gas around 200°C, combustion air preheating around 1000°C, and a stated heat recovery efficiency above 85%.
Its performance guarantee specifies unit gas consumption of ≤65 Nm³/t-Al and a melting rate of at least 4 t/h. Importantly, these figures are linked to defined acceptance conditions: 100% aluminum ingots are used as the raw material, and the melting test ends when molten aluminum reaches 720°C.
For B2B buyers searching for a regenerative tilting aluminum melting furnace, this testing context matters. Gas consumption should be compared together with raw material, target temperature, charging frequency, and melting time rather than treated as an isolated number.
Hydraulic Tilting and Molten Aluminum Control
The furnace also uses hydraulic tilting, laser-based molten aluminum level measurement, and encoder-based angle detection. The electronic closed-loop system specifies molten aluminum level control accuracy of ±2 mm.
For aluminum casting lines, these technical parameters provide a clearer basis for evaluating furnace performance, fuel consumption, and process integration than broad claims about energy savings alone.
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