FIELD: cryogenic engineering; heat engineering. SUBSTANCE: method of manufacture of matrix heat exchanger consists in placing the packing in coaxial passages and passing a chemical solution through these passages. Permeable polymer foam is used as packing; after passing the solution through packing, packing with metal precipitated on it is connected with walls of passages by heating it to sintering temperature of metal. Packing is made in form of discrete tings placed in passages at spaced relation to one another. EFFECT: enhanced efficiency. 2 cl, 3 dwg
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