FIELD: heating.
SUBSTANCE: device of indirect heat exchange comprising heat exchanger tubes arranged at least in two layers, besides, each of such layers comprises at least two heat exchanger tubes, the specified heat exchanger tubes are ribbed tubes with eccentricity, at the same time the ratio of the ribs surface area to the tube surface area is equal to at least 5, besides, in the specified device heat exchanger tubes have identical eccentricity of ribs, and the heat exchange method realised with the help of such device.
EFFECT: higher efficiency of heat exchange devices heat transfer.
10 cl, 5 dwg
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