FIELD: thickened pulp or slimes separation for water, oil and scale and also for purification of mechanical impurities polluted oils. SUBSTANCE: aggregate for metallurgical industry oil-bearing sewage separation has in series connected centrifuge, canal of centrifuged effluent separating tank, evaporating apparatus for distillation of residual water, second centrifuge and oil collector and also in series connected intermediate tank, heating apparatus with mixer and vacuum apparatus for oil refining. In the case centrifuges through settling canals are connected with intermediate tank. Aggregate additionally has in series connected pump, high pressure heating apparatus with mixer and vacuum chamber with sprayer and device for inert medium introduction. In the case pump is connected with vacuum apparatus for oil refinery. Due to additional vacuum treatment of scale with small oil share in inert medium spray full purification of scale from oil is achieved. EFFECT: full purification of scale from oil. 1 dwg
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Authors
Dates
1997-05-20—Published
1995-05-15—Filed