| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve a problem wherein an air nozzle is provided only on the grain conveyance starting end side in the prior art, thereby requiring to powerfully blow a large amount of air, and positive eliminating action cannot be expected with a small amount of air. <P>SOLUTION: A lateral feed type conveying spiral (12) is mounted in a grain conveying chute (11), and a plurality of air nozzles (15N1), (15N2), (15N3) are provided at a plurality of parts from the conveyance upper side to the lower side of a conveying path to blast air from the plurality of parts. <P>COPYRIGHT: (C)2012,JPO&INPIT |
