Heat exchange – Flow passages for two confined fluids – Interdigitated plural first and plural second fluid passages
Patent
1994-03-14
1995-11-21
Leo, Leonard R.
Heat exchange
Flow passages for two confined fluids
Interdigitated plural first and plural second fluid passages
165170, F28F 312
Patent
active
054678170
ABSTRACT:
A heat-transfer element forms a packing element for material exchange or material conversion processes. The packing element has a plurality of parallel layers which extend in a main direction (15) of material flow and are formed by bodies (1) with hollow spaces (17) for a heat-transfer medium. Each of the heat-transfer bodies (1) has a pair of shells (1a, 1b) made from a foil-like material. The side surfaces of the shells are wave-shaped such that wave crests (141) are inclined with respect to the main direction (15) and that open flow channels crossing each other are provided between adjacent layers in mutual contact. The relief-like profiling of the shells (1a, 1b) provides a distribution and a collection channel system (121, 121') for the heat-transfer medium in addition to the heat-transfer channels (17). On the inner side of the shell pair a plurality of connection points may be made along the flow channels to form a connection which can withstand the excess pressure of the heat-transfer medium. The material of the shells ( 1a, 1b) is preferably a metal alloy and the profiling is made by pressing.
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Leo Leonard R.
Sulzer Chemtech AG
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