This is a hands-颅off processing line that provides 鈥渧alue added鈥� profits for scrap dealers by separating mixed-metal products into their separate components. In its basic form, it will cleanly separate copper wire from electric motor stators, 鈥渕eatballs鈥� and transformers. It will also separate the copper pipe from the aluminum fins in air conditioning radiators.
The flow sheet is:
鈥� The whole, mixed-metal product is fed to a hammer mill, 鈥渆xploding鈥� it into cleanly separated components and discharged onto a sorting belt.
鈥� Then, an overhead cross-belt magnet removes the ferrous fraction, leaving the non-ferrous metal, the plastic, fluff and abraded varnish on the belt, which is fed into a zig-zag air classifier.
鈥� This zig-zag air classifier is where the rapid, upward current of air pulls out the light material, including aluminum fins, allowing a clean separation from the heavy metallic material, which drops out the bottom of the classifier.