Electrodynamic Sorting of Industrial Scrap Metal

Electrodynamic Sorting of Industrial Scrap Metal

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Electrodynamic sorting (EDX) is a new technology developed to sort industrial scrap metals.Under the present embodiment, an electromagnet is placed directly underneath a conveyor belt and then excited by an alternating electrical Urological Accessories current to produce a time-varying magnetic field.As scrap particles pass through the field overhead, electrical eddy currents are induced throughout their volumes and then repelled away.If the frequency of excitation is very high (e.g.

, 12 kHz), then the lightweight aluminum particles Playstation Extension Lead tend to jump far more dramatically than heavier materials like copper, brass, and zinc.To demonstrate the principle, a small-scale prototype was assembled and tested.Using an 8-inch (20 cm) lane width, the system could process industrial scrap Zorba at a throughput of over 550 lbs/hour (225 kg/h) with an aluminum grade of 97.6 % and a recovery of 93 %.