OIL PURIFICATION PLANT Russian patent published in 2017 - IPC B01D17/32 B01D17/12 B01D11/00 C10G21/00 C10G31/08 

FIELD: oil and gas industry.

SUBSTANCE: invention relates to the plant for oil purification including a flow tubular settling separator, branch pipes for supply of oil and washing liquid, a mixer for oil and washing liquid which is characterized by that oil and washing liquid supply branch pipes are connected to the mixer installed in front of the settler, in the mixer the jets of oil and washing liquid are directed towards each other with equal cross-section at the point of collision of jets, the and branch pipe for supplying the mixture of oil and washing liquid from the mixer to the settler is in the form of a horizontal slit diffuser with a width equal to inner diameter of the horizontal tube of the tubular settling separator. The invention is intended for purification of oil contaminated with floating liquid medium, for example, water and can be used for the preparation of oil at fields and oil refineries and in any industry where such a need arises.

EFFECT: application of the plant makes it possible to increase oil purification efficiency by increasing the degree of oil mixing with washing liquid and creating conditions for more efficient gravitational separation of oil from washing liquid.

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