FIELD: process engineering.
SUBSTANCE: invention relates to separation of isotopes by fractional distillation. This plant comprises multichannel rectifier 1 composed of cascades of vertical modules 11 with parallel pipes 2 that make working channels with nozzle 12, top buffer 3 and bottom buffer 4, condenser 7, evaporator 8 and proportioner 5 with dispensing pipes 6 connected with working channels. Steam flow distributors 13 are arranged upstream of modules 11 and provided with parallel straight-flow pipes 14. Top section of modules 11 support troughs 16 with recesses to make working channel working part. Cup-shape catchers 15 of working fluid drop-like fraction are arranged on the side of working channel outlets communicated with inlets of said pipes 14. Outlets of pipes 14 are fitted in inlets of pipes 2 to make the clearance between outer surface of pipes 14 and inner surface of working channels. Outlets of dispensing pipes 6 are arranged from the side of recesses in troughs 16 to make the clearance between outer surface of dispensing pipes 6 and inner surface of working channels.
EFFECT: higher efficiency.
18 cl, 6 dwg
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Authors
Dates
2015-03-10—Published
2013-11-21—Filed