| 摘要 |
PROBLEM TO BE SOLVED: To enhance selection accuracy of a grain sorter, in a grain preparation facility for arranging the grain sorter in a post-process of a hulling sorter.SOLUTION: The grain preparation facility is provided by arranging the grain sorter (B) in the post-process of the hulling sorter (A), and the hulling sorter (A) is provided with a circulation/discharge switching valve (36) for switching finishing unpolished rice selected by a mixed rice selection part (3) to the machine inner circulation side or the machine outer discharge side, and the grain sorter (B) is provided with a selecting unpolished rice quantity detection sensor (SE7) for detecting more or less of a selecting unpolished rice quantity, and a controller (40) is provided for switching the circulation/discharge switching valve (36) to the machine inner circulation side from the machine outer discharge side, when the selecting unpolished rice quantity detection sensor (SE7) detects reduction to a preset quantity or less in the selecting unpolished rice of the grain sorter (B), when operating the hulling sorter (A) and the grain sorter (B). |
