Stora Enso Orders Two Metso IQ Moisturizer Systems for BM 4 at Imatra Mills
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Stora Enso, Finland, has ordered two Metso (Finland) IQ Moisturizer systems for BM 4 at its Imatra Mills in Finland. Stora Enso previously had installed IQ Moisturizers at its Tainionkoski and Inkeroinen boards mills in Finland. Metso's moisturizer design reportedly will eliminate a current water spotting and streaking problem at the Imatra Mills, resulting in improved board quality and avoiding broke.
The mill plans to improve top side surface quality and precisely control sheet curl for the liquid packaging board, which is the main grade produced on the 355,000 metric tpy machine. BM 4 has a wire width of 6.95 meters and a maximum design speed of 600 m/min.
Metso's IQ CD profiling moisturizer achieves precise control of CD moisture with four rows of micro droplet nozzles, which are controlled steplessly using linear water control valves equipped with electromechanical actuators and position feedback.
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