Primetals Technologies Austria Gmbh

Christoph Proell

Alois Seilinger

Erich Opitz

Lukas Pichler

Konrad Krimpelstaetter

Gernot Dirisamer

Martin Bergmann

Roland Kellermayr

Markus Fischer

A roll stand () for rolling flat rolling stock () includes an upper working roller () and a lower working roller () that form a roll gap () between each other. The flat rolling stock () runs through the roll gap () in a transport direction (x) during rolling of the flat rolling stock (). An upper cooling device (), cools the upper working roller () and is arranged on the outlet side of the roll stand (). The upper cooling device () has an upper spray boom (), which extends parallel to the upper working roller () and has a plurality of upper spray nozzles (), which spray a liquid coolant () onto the upper working roller (). The upper cooling device () also has a lower spray boom (), which extends parallel to the upper working roller () and has a plurality of lower spray nozzles (), which spray the liquid coolant () onto the upper working roller (). The lower spray boom () is arranged between the flat rolling stock () and the upper spray boom (). At least some of the upper spray nozzles () are flat jet nozzles, and at least some of the lower spray nozzles () are full jet nozzles.

Roll stand having a hybrid cooling device

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Feldkirchen, Austria

Christoph Proell