FIELD: chemistry.
SUBSTANCE: heat-transmitting sheets for a revolving regenerative heat-exchanger contain a multitude of elements (59), continuing along a sheet in fact parallel to the direction of a hot smoke gas flow, forming an area of a flow channel between adjacent heat-transmitting sheets and placing the sheets at a distance, and a multitude of wavy surfaces (71, 81), located between each pair of adjacent elements (59). The multitude of wavy surfaces contains the first (71) wavy surface, formed by a multitude of elongated crests (75), continuing along the heat-transmitting sheet parallel to each other at the first angle A1 relative to the elements (59) and the second wavy surface (81), formed by a multitude of elongated crests (85), continuing along the heat-transmitting sheet parallel to each other at the second angle A2 relative to the elements (59), with the first angle A1 being different from the second angle A2.
EFFECT: improvement of heat-transmission due to the increase of the flow turbulence.
15 cl, 9 dwg
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