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Phosphorus‑iron ring‑pressing desulfurization technology continues to evolve, with high‑efficiency, energy‑saving equipment gradually replacing conventional processes.
Release Date:
2026-01-28
Phosphide‑iron ring pressing and demolding technology, a critical process in the anode assembly stage of aluminum electrolysis, has undergone continuous refinement in recent years, enabling a highly efficient and energy‑saving transformation.
Phosphorus‑iron ring pressing and demolding technology, a critical process in the anode assembly stage of aluminum electrolysis, has undergone continuous refinement in recent years, achieving a highly efficient and energy‑saving transformation. Conventional equipment relies on manual or rudimentary mechanical separation, leading to low efficiency and numerous safety concerns. With technological advances, new hydraulically driven press‑demolding machines have gradually become the industry standard. Equipped with PLC control systems, these machines precisely coordinate the movements of the pressing cylinders and clamping mechanisms, enabling continuous operation at a rate of over 40 sets per hour—more than a 50% improvement in efficiency compared with traditional methods.
Equipment upgrades focus on energy conservation, consumption reduction, and intelligent modernization. For example, adaptive fixture designs can automatically adjust their angle to compensate for deformation of steel claws, thereby minimizing unnecessary energy losses. Additionally, a mid‑wave infrared directional radiation technology incorporating rare‑earth composite films—by precisely matching material absorption characteristics—boosts thermal efficiency by more than 30%. Some enterprises have optimized hydraulic system pressures to 16–25 MPa through technological upgrades, and, combined with variable‑frequency speed control, achieve annual energy savings exceeding 400,000 kWh per unit.
Environmental protection and resource recycling have emerged as new frontiers in technological advancement. The latest equipment features a multi-stage dust-collection system, achieving a dust capture rate of over 98%. After separation, the phosphorus‑iron rings are processed through a drum‑type cleaning machine to remove rust and slag, enabling 100% re‑melting and returning to the furnace, with impurity‑separation efficiency improved by 40% compared to conventional methods. One company has developed a phosphorus‑iron ring separation unit by retrofitting idle hydraulic machinery, which can consume 20 tons of scrap steel inventory each month, thereby achieving dual optimization—resource circulation and cost control.
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