FIELD: heating systems; heat exchange processes.
SUBSTANCE: proposed heating appliance consists of sections in form of tubular heat exchange elements, radial fins and gaskets. Sections are provided with connecting tubes with units for external joints and tubular heat exchange elements and with at least two through vertical passages. Cup-shaped gaskets are laid in between connecting tubes and tubular heat exchange elements which are symmetrical in shape.
EFFECT: intensification of heat exchange; low cost; enhanced tightness of joints.
3 cl, 3 dwg
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