Patent ID: 6089313
Filing Date: 2000-07-18
Classification: F28D,F28F

Abstract:
An installation for heat exchange between at least three fluids A, B and C, said installation comprising:(a) a sealed vessel (1) of elongate shape;(b) at least two separate plate bundles (10; 40) arranged inside said sealed vessel (1) and each formed of a stack of metal heat-exchange plates (11; 41) having corrugations (12; 42) and delimiting between them two circuits for circulation of two independent fluids;(c) inlet means (13, 14) for introducing a first fluid A into a corresponding circuit of a first of said plate bundles (1);(d) means (15, 16, 43) for connecting said first plate bundle (10) with one circuit of a second of said plate bundles (40) to allow said first fluid A to circulate between said first and second plate bundles (10; 40);(e) outlet means (44, 45) for letting said first fluid A out of the corresponding circuit of said second plate bundle (40);(f) inlet means (17, 18) and outlet means (19, 20) for introducing a second fluid B into and letting said second fluid B out of the corresponding circuit of said first plate bundle (10);(g) inlet means (46) and outlet means (47, 48) for introducing a third fluid C into and letting said third fluid C out of the corresponding circuit of said second plate bundle (40); and(h) means for holding each plate bundle (10; 40) in said sealed vessel (1).