Gravimetric separators
The gravimetric separator is an equipment designed to remove light impurities from the peanut kernel.
As impurities, we can include the kernels (peanut box with a single kernel inside), loose shells, small sticks, damaged kernels with lower specific weight than the healthy one, etc..
To carry out this separation, the peanut kernels with impurities are fed on the plane of a saw-tooth folded sieve plate, which is subjected to a vibratory movement and to an ascending air current that passes through it.
In this way, a fluid bed is formed where the light goods (impurities) are located in the upper part of the bed and, taking advantage of the inclination of the plane in question, are dragged towards the lower part.
The heavy bodies, not being lifted by the air, are transported to the upper part by means of the appropriate folding of the screen plate and the vibratory movement. In this way, it is possible to separate the light from the heavy, thus achieving the objective of this equipment.