CONDENSER-EVAPORATOR Russian patent published in 1997 - IPC

FIELD: heat-power engineering; heat exchanger apparatus operating under conditions of boiling and condensing of working media; low-temperature air separation plants. SUBSTANCE: condenser - evaporator is located in housing of rectifying tower; it includes finned plate heat exchanger element 1 which consists of heat exchanger section with alternating boiling and condensing passages 2 and 3. Supply of condensing medium is effected through distributing manifold 6. Condensing medium supply and discharge unit is made in form of manifold 4 with branch pipe 5 connecting the high- and low-pressure towers. Fixed gas discharge unit is made in form of manifold 7 fitted with branch pipe 8. EFFECT: enhanced efficiency. 3 cl, 3 dwg