OIL REFINING METHOD Russian patent published in 2013 - IPC C10G7/02 B01D3/14 

FIELD: oil and gas industry.

SUBSTANCE: invention refers to oil refining method involving recuperative oil heating, its partial stripping in the first crude distillation unit with extraction from the top of the crude distillation unit of light gasoline fraction, heating of residue of the first crude distillation unit in the furnace with its supply to feed zone of the second crude distillation unit for separation of stripped oil into heavy gasoline fraction, kerosene, diesel oil and fuel oil, with extraction from the first crude distillation unit of side stream from a lower semi-blind plate of the reinforcing section and its supply to lower semi-blind plate of the reinforcing section of the second crude distillation unit, from which atmospheric gas oil is extracted through additional side stream.

EFFECT: reduction of power costs for carrying out the process and enlarging the extraction of oil products in the second crude distillation unit.

1 dwg, 4 tbl