DEVICE FOR IMPROVEMENT OF SELECTION AND PURITY OF FRACTIONATION OF DISTILLATE PRODUCTS Russian patent published in 1997 - IPC

FIELD: chemical, oil refining and other industries; applicable in implementation of the process of fractionation of oil-containing feedstock. SUBSTANCE: feedstock subject for fractionation is prepared for fractionation directly in transfer pipeline. The offered device has branch pipe with disperser installed inside branch pipe and having successively located nozzle and vibration source. Vibration source is made in form of diametrically intercrossing plates symmetrically located in plan over the entire cross-section of branch pipe and having cantilevered sections in direction of nozzle. Cantilevered sections are provided with pointed edges and located in a spaced relation to one another. Secured to noncantilevered sections of plates are profiled guide plates provided with cantilevered sections partially overlapping the branch pipe cross-section. Cantilevered sections may be installed with overhang, either exceeding the nozzle outer radius, or equalling nozzle inner radius with partial overlapping of cross-section of branch pipe. Overhang of cantilevered sections of profiled guide plates may measure, at least, 1.2 values of nozzle outer diameter and their length equals, at least, 0.25 of the total length of profiled plates. EFFECT: higher efficiency. 5 cl, 2 dwg