| 摘要 |
<p>1. Filling substance for heat and material exchange in counterflow, in particular for water cooling by air in cooling towers, consisting of a plurality of corrugated or folded sheets which form parallel flow ducts of any cross section and which are laid on one another and connected to one another, characterized in that the sheets (1) in the transverse direction comprise flat alternately corrugated or folded sections (2) and (3) which are of equal width and layered such that the corrugated or folded sections (2) of a sheet (1) lie on the flat sections (3) of adjacent sheets (1).</p> |
