Heat exchanger
A technology of heat exchanger and heat exchange, applied in heat exchange equipment, heat transfer modification, lighting and heating equipment, etc., can solve the problem of large area of heat exchanger, achieve high heat conduction, improve efficiency, and increase contact surface Effect
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[0029] The heat exchanger of the present invention includes at least one wall separating the material or material flow. In this regard, the heat exchanger of the present invention preferably relates to a heat exchanger that transfers heat indirectly, the heat transfer being characterized in that the material flow is spatially separated by a thermally conductive wall. This type of heat exchanger is also called a heat recovery device (Rekuperator). The structure of the regenerator can also be considered.
[0030] According to the invention, it is provided that the surface of the partition wall at least partially has an arithmetic mean roughness value Ra of 2 to 20 μm, preferably 10 μm, and / or a roughness height Rz of 10 to 50 μm, preferably 30 μm.
[0031] The commonly used abbreviated symbol Ra represents the arithmetic average roughness value and implements the standard DIN EN ISO4287:1998. The average roughness value is the arithmetic average of multiple values of the roughnes...
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