F - Mech Eng,Light,Heat,Weapons – 26 – B
Patent
F - Mech Eng,Light,Heat,Weapons
26
B
F26B 13/02 (2006.01) F26B 15/18 (2006.01)
Patent
CA 2129263
A drying apparatus for drying a fibre web (5) between two air-tight bands (1, 2) moving in the same direction One band (1) is heated by hot steam and the other band (2) is cooled by water, and the fibre web (5) is passed through a drying zone formed by the bands (1, 2) with at least one felt or wire (3, 4) so that the fibre web (5) 16 in contact with the surface of the heated band, and the felt or wire (3, 4) is between the fibre web (5) and the cooled band (2). In the invention the drying zone and the water chamber (14) cooling the lower band (2) are in com- munication with each other for controlling the pressure difference between them by a simple connection, such as a pipe (25) opening at a suitable height.
Swabey Ogilvy Renault
Valmet Corporation
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