FIELD: heating.
SUBSTANCE: in a spiral heat exchanger comprising a spiral body formed at least by two spiral sheets wound for formation of this body, creating at least the first spiral-shaped flow for the first medium, and the second spiral-shaped flow for the second medium. At the same time the spiral body is enclosed into a substantially cylindrical jacket ensured with connection elements, communicating with the first and second flows; at least two spiral sheets also form the middle of the spiral body, and each sheet comprises the first section of the sheet, and flows comprise the second section of the sheet, besides, the first section of the sheet is made from a thicker material compared to the second section.
EFFECT: simplified manufacturing of a heat exchanger.
10 cl, 6 dwg
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