METHOD OF CLEANSING OF THE BLACK OIL TANKS FROM THE BLACK OIL SEDIMENTS AND THE DEVICE FOR ITS REALIZATION Russian patent published in 2006 - IPC B08B9/08 B01F3/00 

FIELD: oil-producing industry; methods and devices of cleansing of the black oil tanks from the black oil sediments.

SUBSTANCE: the invention is pertaining to the field of oil-producing industry, in particular, to the production processes of treatment of the oil-containing slimes. The technical result of the invention is the improved efficiency of the black oil tanks cleansing from the black oil sediments. The method provides for heating of the black oil up to the temperature of 60°C in the tank for accumulation of the black oil sediments. Then by means of the pump using the heated back oil dilute the black oil sediments in the black oil tank up to the volume of the black oil sediments of 30-40 m³, remove the formed mixture of the black oil sediments and the fresh black oil into the tank for accumulation of the black oil sediments. The produced mixture is subjected to triple treatment by a cyclical method for 2 hours in the ultrasonic cavitational device keeping the temperature of the black oil and the black oil sediments mixture up to 60°C till production of the homogeneous mixture, when 50 % of the produced black oil ship to the customers, and the rest black oil with parameters of T-60°C, Py-20 kgf/cm² is used for cleansing the next batch of the black oil sediments. The device for the method realization is supplied with the flexible hose with the nozzles for the black oil sediments cleansing away by means of the pump of the black oil sediments under the pressure of 20 kgf/cm². The activating agent is made in the form of the ultrasonic cavitational device.

EFFECT: the invention ensures improved efficiency of the black oil tanks cleansing from the black oil sediments.

2 cl, 1 dwg