FIELD: heat engineering.
SUBSTANCE: invention relates to heat engineering and can be used in heat exchangers for liquid product processing. Coil heat exchanger, comprising closed vessel (20), having inlet (21 ) for receiving heat transfer media and outlet (22) for discharging heat transfer media, tubular conduit (30), extending helically within said vessel (20) from lower part (23) to upper part (24) of said vessel (20) for transporting liquid products to be heated by said heat transfer media, and inner housing (40), enclosed by loops (32) of said tubular conduit (30) and sealed against the heat transfer media, wherein said inner housing (40) comprises open passageway (42) to the environment outside said coil heat exchanger (10).
EFFECT: liquid product processing.
15 cl, 1 dwg
