| 摘要 |
Appts. for concentrating an aqueous solutions of higher boiling point organic antifreeze medium includes a casing having a 1st.(12) & 2nd. (14) upright legs connected by a 3rd. inclined leg(19). The 1st. leg is open at the upper end to provide an ambient air inlet(11) and includes a spray discharge nozzle(32), heating coils(36), an extended evaporation surface(40)&a sump(18). The 2nd. leg constitutes a multistage reflex chamber having plural reflux cooling coils(42a, 42b, 42c) & reclaiming screens(44) of glass fiber cloth. The 3td. leg connects the 1st. & 2nd. legs and is inclined downwardly from the 2nd. casing to the 1st. casing to permit migration of liquid to the sump.
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