For starch recovery clarifying decanters are primarily used for dewatering starch, pulp, fibers and proteins as well as for fruitwater separation.
Especially in starch processing the solids inside the decanters are relatively difficult to convey in the centrifugal field, this can trigger the stick-slip effect.
The solids move inconsistently creating dynamic loads on the mechanical components. Possible effects: Strong torque shocks and oscillations, which create loads on the drive shaft. This leads to increased fatigue and wear to machine components such as the bowl, scroll, gearbox, shafts and coupling. Stick-slip increases the risk of unplanned, expensive downtimes with costly repairs. Until now customers were only able to tell their decanters are affected when it was too late and damage had been occurred.
With GEAs new Active Torque Control feature starch customers cannot only safely detect the stick-slip effect, ATC also puts an end to it. On top, the decanter does everything by itself, automatically. Our new sensor-based monitoring and control method precisely detects the onset of torsional vibrations on the coupling and, depending on their intensity, avoids them by automatically changing the differential speed. Changes in differential speed are minimal as ATC can detect if its intervention was successful in ending the stick slip effect or not.
So our customers can be sure that their decanters still discharge the solids as dry as under stick slip effects possible. Thus, Active Torque Control saves them not only trouble with expensive downtimes due to machine damages, it also saves them unnecessary drier costs due to a poorly operated decanter.
Les séparateurs à buses sont utilisés pour le lavage et la concentration de l'amidon cru ainsi que pour l'épaississement du gluten. Un amidon de haute qualité ne peut être obtenu que si les petits fragments de fibres résiduels, les lipides, les protéines et les substances dissoutes sont éliminés efficacement par lavage de la fraction amidon. Pour...
Even the best centrifuges cannot function optimally if they are not partnered with control systems of equal quality. For their range of separators and decanters, GEA offers standardized as well as tailor-made solutions for machine automation with many features to meet customer requirements.
Il n'est pas possible d’effectuer l’essai de réception en usine (ERU) de votre centrifugeuse sur le site à cause des restrictions aux voyages actuelles, d’un emploi du temps très chargé ou d’une autre raison urgente ? Vous avez l’habitude de toujours rechercher des manières de rendre vos processus métiers plus digitaux, de réduire considérablemen...
Réparations correctives pour vos séparateurs et décanteurs GEA
Diameter of solids discharge in a decanter centrifuge
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