Drying

In the drying section the pulp is dried with hot air, normally from a dryness of 45-55% dry solids to the final dryness of about 90% dry solids.

Dewatering takes place by evaporation in the dryer section. In both airborne drying and flash drying the pulp is dried by convection. In convection drying heat comes from hot air surrounding the web. 

Airborne dryers are normally used for chemical pulping and flash dryers for mechanical pulping.

     

Dryer - Process and automation upgrades

Dryer Tail Threading

Tail threading from press section to dryer has been a challenge for operators and totally a matter of luck. Many attempts to get the successful one and still operators have to keep a close eye on safety.

OptiAir Recovery

Compact heat recovery improves the energy efficiency of air dryers.

Vacuum cleaning tools for filter net cleaning

Avoid dust and cigars in the dryer

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