FIELD: heating system.
SUBSTANCE: heat exchanger contains at least one welded heat exchange module, made of gas elements, using thin-sheeted plates, in particular with the ribbing, and of installed between them the liquid elements, executed in the form of metal framework. The heat exchanger is made either welded or from separate modules.
EFFECT: invention improves the heat exchanger efficiency due to increase of the heat exchange intensity between elements, using the fluids direct contact with the plates external surfaces of adjacent gas elements, as well as using the labyrinth parts in the gas elements and internal partitions in the cavities of the fluid elements, the invention allows to raise the heat exchanger operation reliability through the proposed strengthened heat exchange modules elements structures.
15 cl, 5 dwg
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