FIELD: process engineering.
SUBSTANCE: invention relates to classification of solids with the help of fluids and may be used in concentration of minerals, etc. Proposed method comprises loading fluid with raw stock onto inclined trough top with irregularities arranged on its edges, creating directed flow of pulp by restricting pump flow height at bottom of said inclined trough using overhead cover arranged above said irregularities and directing main pulp flow upward via discharge tube, separating raw stock particles into fractions using reciprocation of working surface with sharp accelerations, discharging obtained fractions at working surface bottom and selecting optimum conditions of classification. Overhead cover arranged above aforesaid irregularities is provided with magnetic fraction accumulator. Outlet is arranged sideways of irregularities provided with magnetically conductive tube to displace magnetic fraction in appropriate accumulator. Magnets are secured above said overhead cover to force mixing of powder material and displacing it toward aforesaid outlet and, therefrom, into aforesaid accumulator.
EFFECT: higher quality of classification.
1 dwg, 2 ex
