Vortex Cleaning Device for Rice Harvester: Design and Bench Test
Weijian Liu,
Shan Zeng,
Xuegeng Chen
Abstract:To solve the problem of increased grain impurity rate and grain loss rate caused by clogging of sieve holes during the cleaning process of ratooning rice, a spiral step cleaning device was designed, which disturbed the flow field at the sieve holes through vortex in the slot and disrupted the force balance of the blockages at the sieve holes. The device mainly includes a cleaning separation core and a cleaning separation core shell. Firstly, the main parameters of the cleaning separation core were determined, … Show more
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