Patent ID: 6536513
Filing Date: 2003-03-25
Classification: B01J,C01B,F28D,F28F,Y02P

Abstract:
A heat exchanger, which comprises a first regular array of first heat exchange tubes extending through the exchanger and through a plurality of laterally extending heat exchanger chambers and a second regular array of second heat exchange tubes axially extending through the exchanger, two rows of said first heat exchange tubes being spaced by a row of said second heat exchange tubes, said plurality of heat exchanger chambers comprising a first chamber and a second and third chamber axially laterally adjacent thereto and on either side thereof, each chamber being separated from each adjacent chamber by a partition, in which are a plurality of discrete openings, and each chamber having a plurality of transverse interconnecting zones, each of which is defined by at least three of said first heat exchange tubes, a first partition and a second partition opposing said first partition, wherein the first chamber has amongst its zones at least two entry zones, each entry zone having an opening to entry from the second chamber, and at least two exit zones, each exit zone having an opening to exit to the third chamber, no zone having both an opening to entry and an opening to exit, and at least one entry zone is adjacent to at least one exit zone or is spaced from the exit zone by 1 third zone having neither an opening to entry nor an opening to exit.