FIELD: agriculture.
SUBSTANCE: in harvester removed product is separated into useful material flow and waste flow. At the first phase removed product flow is initially selected as pre-treated flow and initial waste flow. Pre-treated flow includes significant amount of useful material and residue consisting of waste. Initial waste flow contains significant amount of waste and residue consisting of useful material. Second stage provides for second selecting of pre-treated flow with regard to its intensity and separating into useful material flow and second waste flow containing significant share of waste and residue consisting of useful material. Certain value associated with useful material amount in waste flow is continuously recorded and based on this value first selectivity is adjusted regardless removed product flow intensity.
EFFECT: two-stage separation of removed product flow with changing properties at initial levels of phases capacities.
26 cl, 9 dwg
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