How Grains Are Separated According To Its Shape?

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Pranjal Deka
Feb 11, 2019   •  64 views

Separation of grains after its production is an important process. Separation of grains are done on the following basis-

  • Size

  • Length

  • Roundness

  • Density and specific gravity

  • Shape and surface texture

  • Aerodynamic property

  • Magnetic property

  • Colour

There are various separators developed nowadays. Let us discuss one of the basic separator i.e. Velvet roll separator

Velvet roll separator

The velvet roll separator or roll mill separate grains on the basis of differences in shape and surface texture. It is a finishing machine and should be used only after cleaning and separation of grain from the chaff and trash. It is effective in separating grain with a rough seed coat or sharp angles from smooth surface grain.

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