EVAPORATOR Russian patent published in 1996 - IPC

FIELD: thickening liquid products in food, chemical and other industries. SUBSTANCE: evaporator has vertical cylindrical vessel equipped with systems of liquid inlet and outlet, outlet of secondary vapors, heater. The vessel is provided with tori. Hollow tubular heater made of coaxial tubes of different diameter and length is installed in the core of the tori. Ring cavity formed between the tori covering outer tube of the above heater is open to the system of working liquid supply. EFFECT: high efficiency. 1 dwg