摘要 |
<p>A heat exchanger construction (1) comprising a plurality of tubular elements (2), therebetween at least a continuous or discontinuous zig-zag shape or fretted blade element (3) is arranged, said blade element (3) being made rigid with said tubular elements (2) so as to provide heat transmission between a secondary fluid, circulating through the tubular elements (2), and a primary fluid, which is cross-directed through the assembly of the tubular elements (2) and blade element or elements (3).</p> |