| 摘要 |
This apparatus comprises a chamber 2 of general parallelepipedal shape, in whose upper part are arranged, in the vicinity of two of its opposite sides, on the one hand, an opening 7 for feeding in the products to be sorted and, on the other hand, an opening 8 linked to a suction device, the wall 4 of the chamber, located on the side opposite the suction device, comprising openings 9 for air intake, the inside of the chamber being equipped with several series of horizontal elements 10 parallel to the wall comprising openings for air intake, each series of elements comprising a plurality of elements vertically shifted and uniformly distributed over the height of the chamber, the bottom of the chamber comprising a plurality of openings oriented in the direction of the length of the central elements. <IMAGE>
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