Goudsmit Magnetics has recently upgraded the high-gradient magnetic head pulley separator. This combi-separator will separate small pieces of both steel and stainless steel from shredded plastic, producing a clean plastic fraction.
This provides protection for plastic injection moulding machines. The magnetic/combi-separator can also be used to separate copper fractions from cable shredders, resulting in a higher yield per kilo, and for processing mixed metals, in which non-ferrous metals and pieces of weakly magnetic stainless steel are separated from each other. This simplifies subsequent separation steps, so the machine quickly pays for itself.
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How it works
In the first step, the magnetic separator separates the easy, large pieces of ferrous metals from the product flow using an overbelt magnet; this results in a clean ferrous fraction. In the second step, the high-gradient magnetic head pulley separates the very small and weakly magnetic pieces of ferrous metal and stainless steel that the overbelt magnet cannot capture.
The efficient, compact separator can be operated from a single control unit. The overbelt magnet is height adjustable, making it possible to dial in the desired quality of the ferrous fraction. Then the high-gradient magnetic head pulley separates the remaining material that the overbelt magnet does not capture.
Return on investment (ROI)
In addition to upgrading copper fractions, which increases the value per kilo, the high-gradient separator protects plastic injection moulding machines. In plastic recycling, stainless steel balls and springs are separated to create secondary plastics. If metals remain in the plastic, you lose more material at the metal detectors, the filters of injection moulding machines become clogged more quickly and there is a high risk of wear damage to the augers of the injection moulding machines.
For mixed metals, the magnet separates the non-ferrous metals from the weakly magnetic stainless steel. This simplifies subsequent separation steps, so the machine quickly pays for itself.
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