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Published by Redaktionen - 12 Apr, 2021 Dryness is a term associated with paper web profiles, but did you know it also applies to steam? This article describes a new method that is currently being tested in the Swedish paper industry but can of course be applied in all industries that use steam. Paper machines are basically a large dewatering process where stock, a pulp fiber suspension with around 99% water is transformed into paper with a dry content of over 90 percent. The dewatering takes place in three consecutive steps Forming, Press and Dryer section.   Harnessing steam and condensate The dryer section with its various groups of steam cylinders is by far the largest energy consumer. As its name suggests it dries the paper by a series of internally steam-heated cylinders that evaporates moisture in the paper web. It is more than half the length of the machine and represents almost half the capital investment. But the auxiliary steam infrastructure is not necessarily new

Ulf johanssonஅல்ஃப் ஜோஹன்சன்