| 摘要 |
This invention relates to a method of drying a pulp web, an apparatus being utilized having a great number of jet boxes, which are arranged in piles parallel with each other, and which are provided with openings through which heated air, introduced into the jet boxes, can stream out. According to the invention the method is characterized by the combination of the following steps: the pulp web (1) is conducted in essentially vertical direction between piles of adjacent jet boxes (7; 21) and round upper (4; 20) and lower (5; 11) turning rolls for bringing the pulp web upwards and downwards through the apparatus, heated air streaming out of holes (26) in the jet boxes (21) towards the progressing pulp web; essentially all that portion of the pulp web which momentarily is between the upper (4; 20) and the lower (5; 11) turning roll, is irradiated on both sides with the heated air. The invention also relates to an apparatus for carrying out the method.
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