In the intricate world of aluminum processing, the efficient handling of aluminum dross is paramount for optimizing metal recovery. Our customers employ a dross press systematic approach that involves various stages and specialized equipment to recover as much aluminum as possible from the dross.
◆ Skimming Dross from Reverberatory Furnace
In the initial stage, operators skim dross from the reverberatory furnace, separating it from the molten aluminum.
◆ Quick Skim and Squeeze in Dross Press
A quick skim is followed by squeezing the dross in a specialized dross press. This step is crucial for expelling excess aluminum from the dross.
◆ Getting Aluminum Drain Sow under the Dross Pan Mold
To further refine the extraction process, aluminum drain sow is collected beneath the dross pan mold.
◆ Getting the Aluminum Skull
The aluminum skull, a residue rich in aluminum content, is obtained through meticulous processing.
◆ Put the Drain Sow Back into the Reverberatory Furnace to Melt
The drain sow is then reintroduced into the reverberatory furnace to ensure complete melting.
◆ Put the Aluminum Skull and Second Aluminum Dross into TRF
Subsequently, the aluminum skull and additional aluminum dross are placed into the Tilting Rotary Furnace (TRF).
◆ Pouring Drain Sow from TRF
The molten aluminum is poured, continuing the separation process and facilitating metal recovery.
Following the above operations, if the original dross contains 50-60% aluminum, our process can recover an impressive 45-55%, leaving only 5% aluminum in the remaining dross, resulting in an overall recovery of 90%.
Further Refinement Steps
1. Some customers opt to press the TRF dross again, aiming to retain an additional 2-4% aluminum.
2. Subsequently, the dross undergoes milling and screening processes to recover the last 5-10% of aluminum.
3. For dross containing only 5%, customers may choose to cool it rapidly in a cooling pan, minimizing environmental impact, and then proceed with landfilling.
4. Alternatively, some customers prefer cooling the dross for potential use in cement plants, contributing to sustainable practices.
Aluminum Recovery
Aluminum recovery involves halting the oxidation process, preventing aluminum from being lost during processing. Notably, aluminum oxidation ceases under 320℃, and beyond this temperature, a 1% aluminum loss occurs per minute.
Aluminum Recovery Process
This comprehensive process includes squeezing drain sow, extracting aluminum skull, reducing temperatures below 320℃, and employing TRF for further recovery.
By adopting these meticulous steps and understanding the nuances of aluminum recovery, our customers successfully manage aluminum dross through our aluminum dross press, ensuring optimal metal retrieval and minimizing waste.
Contact us
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Email：Tech@huan-tai.org
Address：No.68, 2nd Keji Road Xian, China 710075