Goudsmit Magnetic Systems Introduces New High Gradient Separator

Goudsmit Magnetic Systems BV recently developed a high gradient separator with a strong magnetic conveyor roller, specifically for the food industry. The new separator was developed at the request of a producer of chocolate garnish for cakes and biscuits, who needed a way to filter the pieces that could possibly contain metal as small as 30 µm out of the product flow, without loss of product.

“With this system we achieve exceptionally high separation efficiency, not just for iron particles, but also for weakly magnetic stainless steel particles, such as AISI 304 and AISI 316. The high gradient separator is more effective than a free-fall magnetic separator, because with the latter you have to slow down the metal particle before you can capture it. In addition to chocolate, the magnetic separator is also suitable for other dry, granular products, such as herbs and spices,” says Arthur Jonkman, sales engineer, Goudsmit Magnetic Systems BV.

A vibrating chute feeds the chocolate flakes and pellets onto the conveyor belt and distributes the products in a single layer over the belt. The conveyor belt turns around the magnetic roller that captures and carries away the metal-containing product. The clean product falls directly into the packaging machine.

“Hygiene is of the utmost importance, especially in the food industry. This is something we considered carefully while designing the HG separator. A quick release system makes removal and replacement of the conveyor belt quick and easy. The special open construction and covers that easily swing out of the way make the system easy to clean,” added Jonkman.

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