DEVICE FOR FRACTIONATING LIQUID MIXTURES Russian patent published in 1995 - IPC

FIELD: vacuum distillation of liquids. SUBSTANCE: device has an evaporator, and a system for supplying initial fluid, and a system for steam and bottoms removal. The evaporator has a hollow case with a torus placed inside. The torus surface is provided with hydraulic obstacles. The torus has double shell. The shells are interconnected with a partition in one place. Each cavity located on both sides of the partition are connected to the work agent, coolant supply. All the systems for supplying and removing the fluid are communicated with the cavity of evaporator case on both its ends. EFFECT: high efficiency. 1 dwg