THEORETICAL STUDY OF SORTING SMALL SEEDS ON A TRIBOELECTRIC DEVICE
Abstract
The article presents information about the design, operating principle of a triboelectric device for sorting small seeds, and the results of theoretical studies on their sorting, using bell pepper as an example. The results of theoretical studies showed that bell pepper seeds, depending on the ratio of the acting forces and, accordingly, their mass, detach from the surface of the rotating charged working element of the triboelectric device at various rotation angles. The latter allows, by correctly establishing the coordinate of the separating plane's location axis, to qualitatively separate the sorted seeds based on their mass into various fractions, i.e., sowing and technical fractions. In this case, if bell pepper seeds with a mass of less than 4.5 mg are considered low-quality and unsuitable for sowing, it is sufficient to create an induced electric field strength of 4 105 V/m on the surface of the rotating working body of the triboelectric device for their sorting.
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