| 摘要 |
PROBLEM TO BE SOLVED: To improve sorting accuracy of blended rice. SOLUTION: A rotary sorting tube at an inner peripheral surface of which a large number of draw blades are provided, is horizontally installed at a blend rice sorting section of a rice hulling selector, a grain screen sorter is obliquely provided above a hulled rice receiving flume and a blended rice supply flume disposed in the rotary sorting tube. Blended rice drawn up by the draw blades is supplied to the selector plural times and is separated to unhulled rice and hulled rice. Thereby recovery percentage of the hulled rice by the rotary sorting tube 15 is improved, hulled T ratio of grains returned to a rice hulling section 1 can be reduced and damage to the hulled rice due to double hulling can be reduced.
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