FIELD: chemistry.
SUBSTANCE: falling-film evaporator contains vertical cylindrical body in which cylindrical and internal pipes are mounted. Shells are mounted in circular cavities formed by cylindrical and internal pipes; plates ensuring rotation of the secondary steam are located in the lower part of the shells on their external surface at an angle to the shell axis. Shell length L to the distance between the two adjacent shells L1 ratio is made equal to L/L1=0.2 - 2.
EFFECT: prevents mixing of drops with secondary steam condensate and provides processing at the maximal head loads.
3 cl, 4 dwg
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SU904721A1 |
Authors
Dates
2008-05-20—Published
2007-03-09—Filed