摘要:
A gas blowing cellulose pulp dryer is operative for drying a web of cellulose pulp using gas supplied from gas outlets of blow boxes of a first drying section. The cellulose pulp dryer has an inspection device with at least a first radiation sensor arranged to detect reflected radiation at the first drying section to detect at least one of a position of the web during operation of the dryer, and the occurrence of any residue of the web.
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.
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.
摘要:
An arrangement for drying a web of cellulose pulp having a drying box which includes blow boxes that are operative for blowing air towards the web of cellulose pulp for drying the pulp in accordance with the airborne web principle. The drying box has a first drying zone, which includes first lower blow boxes arranged to bear the web, and a second drying zone, having second lower blow boxes arranged to bear the web, with the first lower blow boxes being different from the second lower blow boxes.