A method and hot air - dryer for drying coated surfaces

摘要

a process for drying coated surfaces in a hot air dryer is that each part of the hot air in the dryer as sekundu00e4rluftstrom continuously in this circulates and that this sekundu00e4rluftstrom a on the trocknungstemperatur tmax erhitz ter primu00e4rluftstrom added.this will reduce the agricultural heiu00dfluftmenge dryer and thereby reduces the heating time is reduced and the material requirements.a hot air dryer, $a, for the implementation of the procedure, in the trocknerinnenraum (6) arranged seitensymmetrisch heiu00dfluftkammern (7, 8) each the heiu00dfluftkammer in an inner chamber (7) and an outer chamber (8) dividing partition (22) which at its lower end a e einsaugu00f6ffnung (9) for sekundu00e4rluft contains.at the lower end of the inner chamber (7), the properties with increased flow velocity in the inlet opening (9) sekundu00e4rluft mixed.