Rice hulling and sorting device

Details Rice hulling and sorting device Rice hulling and sorting device

1981-03-27

1983-07-12

Coe, Philip R.

Foods and beverages: apparatus

Means to treat food

By applying fluid

99525, 99529, 99610, 99621, 209687, B02B 304, B02B 702

Patent

active

043924212

ABSTRACT:
A rice hulling and sorting machine includes a pair of hulling rolls which drop husked rice grains into a pneumatic sorting compartment which the husks are preliminary sorted from the rice grains; the rice grains thereafter being thrown upwardly into one end of the upper of two horizontally mounted rotating sorting cylinders. The interior surfaces of these cylinders have a multitude of recesses for trapping single rice grains at the bottom of their circumferential paths of movement to carry them upwardly and dropping them into conveying troughs which run the length of the interiors of the cylinders. Rice grains which are not trapped in the upper cylinder are fed back into the hulling rolls while those dropped into the upper trough are fed to the lower interior of the lower cylinder where they are again subject to being trapped in the recesses of the lower cylinder and dropped into the lower conveyor trough. Rice grains which are not trapped in the lower trough are fed back into the pneumatic sorting compartment while those dropped into the lower trough are discharged from the machine. An angularly adjustable plate extends along one side of each trough which controls the location in the circumferential path at which trapped rice grains fall into each trough.

REFERENCES:
patent: 2182638 (1939-12-01), Mjolsness
patent: 2672235 (1954-03-01), Freeman
patent: 3952645 (1976-04-01), Satake

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