| abstract |
(57) [Summary] [PROBLEMS] To use a metal sorting method and a metal sorting method capable of easily sorting three or more kinds of metals without depending on size, shape, surface condition (dust, rust), etc. Provided metal sorting equipment. SOLUTION: X-rays are sequentially applied to a plurality of types of metal pieces 1 each comprising a single metal type, the spectrum of fluorescent X-rays emitted from the metal pieces is analyzed, and the metal type is selected from the spectrum. The metal sorting device using this method includes a conveyor device 12, a position detecting device 14, a metal identifying device 16 And a sorting / unloading device 18. Sorting and unloading device 1 8 is provided with a plurality of unloading devices 19, and the control device 20 sorts out the metal pieces 1 and unloads them. |