Rice bran processing apparatus

Foods and beverages: apparatus – Non-cooking heat treatment of food

Patent

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Details

99348, 99349, 366 81, 366318, 366319, 366601, A23K 114, A23K 300, A23L 120

Patent

active

047412640

ABSTRACT:
A rice bran extruder apparatus maintains a continuous flow of bran with appropriate heating to stabilize the bran to prevent information of free fat acid and rancid oil. A supply hopper includes a rotating paddle to stir the bulk bran for continuous gravity feed of the bran into a feed conveyor mounted immediately beneath the hopper. The feed conveyor is aligned with the bran extruder to supply bran to the inlet opening. The extruder includes a flighted rotor and terminates in a conical discharge nozzle. Extrusion of the bran results in heating of the bran to stabilize the lipase, destroy bacteria and produce a stable bran providing oil and an edible end product. The flighted rotor has closely spaced flighting and at least 12 agitator elements secured between the flights for at least the last four flights to establish a continuous movement of the powdery rice bran through the extruder and positively prevents blow back of the bran. The extruder is directly connected to a universal voltage and frequency motor which operates at 885 RPM and produces 75 horsepower with widely differing A.C. voltages and/or frequencies. A slipping clutch is provided in the direct drive connection to prevent damage if the extruder is overloaded.

REFERENCES:
patent: 2767963 (1956-10-01), Ringen et al.
patent: 3685429 (1972-08-01), McBride
patent: 3685430 (1972-08-01), McBride
patent: 3687423 (1972-08-01), Koch et al.
patent: 3695891 (1972-10-01), Fox
patent: 3765319 (1973-10-01), Fox
patent: 3924839 (1975-12-01), Millauer
patent: 4092015 (1978-05-01), Koch
patent: 4107788 (1978-08-01), Anders
patent: 4462693 (1984-07-01), Buschbom et al.
patent: 4465475 (1984-08-01), Mardorf

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