| 简介 |
A waste recycling system for recycling items comprising metal and non-metal components has means (15) in the form of a hammer mill (15) for fragmenting the item into a mixture of metal and non-metal fragments, separator means (70, 60 95, 100, 115, ) for separating the fragments into a metal fraction and a non-metal fraction, and means for collecting the individual fractions. The metal or metal-containing fragments (21b) are separated and then divided into ferrous and non-ferrous metal fragments using a rare earth magnet (30). The invention also comprehends a method of recycling an item involving fragmentation of the item into particles, separation of the particles into metal and non-metal-containing components, and separating the metal components into ferrous and non-ferrous metals. An eddy current separator (50) may also be used for separating non-ferrous metals; a metal detector (110) identifies the components for separation. Size-separation of the non-metal fraction is achieved by means of a vortex (90) and fractionation of the non-metal fraction on the basis of colour is achieved by a colour separator (115). The items being recycled may be window frames. |
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