FIELD: process engineering.
SUBSTANCE: invention relates to mineral dressing, particularly, to dressing equipment. Proposed apparatus comprises cylindrical housing, pulp feed branch pipe, pulp light fraction discharge branch pipe and pulp heavy fraction discharge funnel. It is furnished with discharge funnel arranged to produce clearance between its smaller base and light fraction discharge branch pipe base and protective cone secured in discharge funnel with its larger base located with gap relative to discharge funnel smaller base. Discharge funnel larger base is jointed with discharge cone larger base while its smaller base is jointed with aforesaid housing.
EFFECT: higher efficiency of dressing tin ore stale tails.
4 cl, 1 dwg, 1 tbl
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