| 摘要 |
<p>Apparatus (1) for treatment of a continuous paper web (18) in a paper machine by means of infra-red radiation, comprising, in parallel relation to the paper web, infra-red heaters (17), which are separated from the paper web by protection panes (12), a cooling air system being provided to cool infra-red heaters and protection panes. The protection panes (12) are arranged by way of a series of separate panes overlapping each other and forming ventilation gaps (27), which are directed substantially in parallel relation to the web in the same direction or in two opposite directions (Figs. 1 and 2).</p> |
