| 摘要 |
PURPOSE: An apparatus for preventing clogging of a grain size grading machine is provided to prevent screens from being clogged by grain of quicklime, and thus securing smooth discharge of the grains into a hopper. CONSTITUTION: In the quicklime grain size grading machine having a rotating drum(10) successively installed with screens(11), and a rotating device(22) for the drum, a hitting device(17) is installed out of the rotating drum by using a connector(18) so as to be rotated along with the rotating drum. The connector and hitting device are independently rotatable.
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