CELLULOSE PULP DRYER HAVING BLOW BOXES, AND A METHOD OF DRYING A WEB OF CELLULOSE PULP

摘要

A cellulose pulp drying box for drying a web of cellulose pulp having blow boxes that are operative for blowing gas towards the web of cellulose pulp for drying the pulp. At least 10% of the total number of blow boxes of the drying box are provided, in their respective face, with openings having a characteristic measure of 1.8 to 3. mm and constituting at least 20% of the total degree of perforation of the face of the respective blow box.