EVAPORATOR-CONDENSER AND CORRESPONDING AIR DISTILLATION INSTALLATION

摘要

The invention concerns a bath-type evaporator-condenser (4), comprising at least a heat-exchanger plate (13), having several flat passages (18) for counter-current circulation of two fluids along a common direction, and a sealed chamber (14) for confining a fluid containing the or each heat-exchanger plate, the confinement chamber comprising a central section (50) generally cylindrical along a longitudinal axis (Y-Y). The longitudinal axis of the central section of said or each confinement chamber is orthogonal to the counter-current circulation direction of the fluids in the flat passages of the corresponding heat exchanging plate. The invention is applicable to double-column air distillation installations.