OIL AIR DISTILLATION PLANT Russian patent published in 2003 - IPC

FIELD: oil refining particularly, in production of such distillate fractions as gasoline, kerosene, mazut. SUBSTANCE: oil air distillation plant has successively connected the first and second shell-and-tube heat exchangers, the first rectification column, furnace, the second rectification column, the third, fourth, fifth shell-and tube heat exchangers, the first, second, third units of thermosiphon heat exchangers and the fifth thermosiphon heat exchanger installed at outlet of vapors of the second rectification column and whose outlet is connected with the second gas separator. Each thermosiphon heat exchanger is made in form of a package of thermosiphon tubes with zones of evaporation and condensation and secured in body separating partition. EFFECT: higher efficiency of process of oil separation into fractions, reduced power consumption. 1 dwg