| 摘要 |
PROBLEM TO BE SOLVED: To easily and surely separate and remove foreign matter in a group of grains, particularly vermin to prevent it from being mixed in the group of grains again. SOLUTION: This sorting device of foreign matter has a feeding port 22 and a discharge port 23 for a group of grains installed up and down. The device is provided with a sorting chamber 2 equipped with an inflow port 25 and an outflow port 26 for air on both sides between which a fall route for the group of grains connecting the feeding port 22 and the discharge port 23 is installed; group of grains-diffusing means 72, 73, 74 for diffusing the group of grains fed into the sorting chamber 2 from a group of grains-feeding port 22; a blower 3 for blowing the air in the sorting chamber 2 from the air inflow port 25; a cyclone 4 for separating the foreign matter from the air flowing out from the air outflow port 26 of the sorting chamber 2: a dust collector for collecting the foreign matter separated by the cyclone 4; and an air blowing path 5 for feeding the air in the cyclone from which the foreign matter has been separated and removed into the blower 3.
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