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Color Sorter

Color Sorter Machine at St.Paul Seed Cleaning (132 KB)The color sorter uses a 2048-pixel visible camera and high-resolution infra-red sensors to determine the purity of input product on the basis of color, shape or other optical properties. Defective items and foreign materials are identified and separated from the product stream. Optical separation adds great value to a variety of commodities: pulses, grains, seeds, rice, beans, or nuts.

Gravity table

Gravity table at St. Paul Seed Cleaning (102 KB)A stratification process is used. The grain creates a curtain on a sloped shaking table. Air is pushed through the curtain of grain almoSt.suspending it. Then, it pushes more light kernels to ride the surface and be removed on the bottom and of the table.

Debearder / Polisher

Carter Day Debearder at St. Paul Seed Cleaning (139 KB)Breaks the beards off barley. Polishes and clips tails on oats. 

Scalper Aspirator

Carter Day Scaplerator at St. Paul Seed Cleaning (112 KB)Removes rocks, straw and clumps with a rotary screen and wind separation. 

Indent Machine

Carter Day Indent Machine St. Paul Seed Cleaning (72 KB)Primarily separates grain by length from short to long. Works well to remove wild oats and wild buckwheat. 

Air and Screen Machine

Air and Screen machine at St. Paul Seed Cleaning  (148 KB)Separates by running product over a selected screen size, then uses air tunnels to pull out the light debris and kernels.