FIELD: chemistry.
SUBSTANCE: invention can be used for distillation or evaporation column. Column bottom liquid, heated in reboiler 5, is fed through supply hole 1a, located in side wall of column body 1. Body 1 of column contains upper plate 12a higher than supply hole 1a, and impingement plate 12b, which is located vertically to upper plate 12a. Upper plate 12a is located in such way that upper surface of upper plate 12a is inclined down from its basic end to tip.
EFFECT: invention allows inhibit formation of polymerised product and ensure stable continuous operation of column equipment during long time period.
5 cl, 4 ex, 6 dwg
