Rotary Flux Injector with Adjustable Degassing Speed and Graphite Rotor Shaft

Product Specification

Introduction to the Aluminium Recycling Production Line

Aluminium recycling stands as a cornerstone of the modern circular economy, offering an energy-efficient and environmentally sustainable pathway to produce high-quality metal. Our advanced Aluminium Recycling Production Line embodies this principle, delivering a fully integrated, automated, and optimized system designed to transform diverse aluminium scrap into specification-grade molten aluminium or casting alloys with maximum yield, minimal loss, and superior operational efficiency.

This turnkey solution is engineered to handle the complete process chain, ensuring consistency, safety, and profitability from the initial feedstock to the final product.

Core Process Flow & Key Components:

1. Scrap Receiving & Pre-Processing:

   • Incoming Inspection & Weighing: Scrap is sorted (e.g., UBCs, cuttings, turnings, coated scrap) and logged.

   • Size Reduction: Shears, shredders, or crushers process scrap into optimal furnace charge size.

   • De-coating/Thermal Cleaning: A rotary or multi-chamber furnace removes paints, lacquers, oils, and other contaminants through controlled pyrolysis, recovering energy and preparing clean charge.

2. Charging & Melting:

   • Automated Charging System: Conveyors (belt, vibrating) or charging buckets deliver pre-treated scrap to the furnace.

   • High-Efficiency Melting Furnace: Typically a dual-chamber or rotary melting furnace is used to maximize thermal efficiency, minimize oxidation (metal loss), and ensure uniform melt. Advanced burner systems and heat recovery are standard.

3. Refining & Alloying:

   • Molten Metal Treatment: In the holding/casting furnace, the melt undergoes critical refining:

     • Degassing: Rotary impellers inject inert gases (Ar/N₂) to remove dissolved hydrogen, preventing porosity.

     • Dross Processing: Salt-free or low-salt refining agents are used to separate oxides and non-metallic inclusions. A Dross Cooling & Processing System safely extracts and recovers entrained metal from the skimmed dross.

     • Alloying & Homogenization: Precise addition of alloying elements (Si, Mg, Cu, etc.) and thorough mixing to achieve exact chemical specifications.

4. Casting & Solidification:

   • Filtering: The molten aluminium passes through ceramic foam or deep-bed filters to remove fine inclusions.

   • Casting: The clean, refined metal is cast into the desired form using:

     • Direct Chill (DC) Casting for rolling slabs or extrusion billets.

     • Continuous Casting for wire rod or strip.

     • Ingot Casting Machines for producing sows, T-ingots, or other foundry alloys.

5. Automation & Control:

   • Centralized PLC/SCADA System: Provides full-line monitoring and control, ensuring process repeatability, data logging, and predictive maintenance.

   • Emission Control: Integrated baghouse filters and fume capture systems ensure compliance with stringent environmental regulations.

Key Advantages of Our Production Line:

• High Metal Yield (>92-95%): Advanced technology minimizes oxidation and maximizes recovery from dross.

• Energy Efficiency: Optimized furnace design and heat recovery slash energy consumption per ton.

• Product Quality: Consistent production of high-integrity, low-impurity metal meeting international standards (e.g., ASTM, DIN).

• Operational Safety & Cleanliness: Automated handling reduces manual labor in hot zones, and enclosed systems control dust and fumes.

• Economic Return: Reduced operational costs, high throughput, and premium product output deliver a rapid return on investment.

Conclusion:
Our Aluminium Recycling Production Line is more than just machinery; it is a complete, technologically advanced ecosystem for sustainable metal production. It empowers recyclers to meet the growing demand for green aluminium while ensuring operational excellence, environmental responsibility, and strong economic performance.