Apparatus and method for spiral separation of materials

Details Apparatus and method for spiral separation of materials Apparatus and method for spiral separation of materials

1978-03-10

1980-06-17

Rolla, Joseph J.

Classifying, separating, and assorting solids

Sorting special items, and certain methods and apparatus for...

Separating means

209697, B07C 900

Patent

active

042079870

ABSTRACT:
An apparatus and method are disclosed for spiral separation of materials. The apparatus includes spiral separator flights mounted on a vertical tube within an enclosure with the material, such as seeds, to be separated being introduced into the apparatus through the vertical tube upon which the spirals are mounted. One of the separated material fractions is discharged from the apparatus through the vertical tube while the other fraction is discharged from a second discharge outlet. A spiral driving mechanism and a baffle are provided for separator adjustability and a plurality of spirals may be enclosed within a common housing. The method includes separating materials by introducing the materials onto spirals at a separating area, controlling the speed of rotation of the spirals to control separation, and collection the separated fractions.

REFERENCES:
patent: 815856 (1906-03-01), Nichter
patent: 1542155 (1925-06-01), Lyman
patent: 2724498 (1955-11-01), Beresford
patent: 3421618 (1969-01-01), Burney et al.

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