Indonesian Mill Starts up World's Longest Steel Yankee
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Andritz, Graz, Austria, reports that it has successfully started up the steel yankee and headbox supplied to a customer in Indonesia for a new MG paper machine. With a shell length of 7.4 m, this steel yankee is currently the longest of the world, Andritz notes.
In addition to the PrimeDry Steel Yankee and the headbox, Andritz also delivered core components for the approach system and the dilution water control equipment.
The headbox (PrimeFlow SW) has been newly developed for the use on fourdrinier wires and hybrid formers. With this technology, the step diffuser and the lamella nozzle generate micro-turbulence to obtain optimum formation and evenness of the sheet. Andritz adds that the mechanical design, manufacturing precision, and dilution water system (PrimeProFiler F) guarantee excellent cross-direction profile.
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