Hydraulic device which is used to descale warm rolling products

Details Hydraulic device which is used to descale warm rolling products Hydraulic device which is used to descale warm rolling products

B - Operations, Transporting

21

B

B21B 45/08 (2006.01)

Patent

CA 2556992

An apparatus for descaling hot rolled stock, being moved with respect to the apparatus, by spraying it with high pressure water, comprising at least one row of nozzle heads sweeping across the width of the rolled stock with a plurality of nozzle heads, each nozzle head being motor-driven in rotation about an axis of rotation substantially perpendicular to the surface of the rolled stock and comprising at least two nozzles which are disposed eccentrically with respect to the axis of rotation is characterized by the nozzles of each nozzle head being arranged as closely as structurally possible to the circumference of the nozzle head, whereby a spray pattern is created on the surface of the rolled stock in a way to at least touch the spray pattern of the adjacent nozzle head in the row of nozzle heads.

Dispositif pour le décalaminage de matériau laminé (17) chaud et déplacé par rapport à ce dispositif par projection d'un jet d'eau sous haute pression. Ledit dispositif possède au moins une rangée de têtes à gicleurs couvrant la largeur du matériau laminé et comportant plusieurs têtes (20) à gicleurs, chaque tête à gicleurs étant entraînée en rotation par moteur autour d'un axe de rotation (A) essentiellement vertical par rapport à la surface du matériau laminé et possédant au moins deux buses (1 à 8) excentrées par rapport à l'axe de rotation. Ledit dispositif se caractérise en ce que les gicleurs (1 à 8) de chaque tête (20) à gicleurs sont situés aussi près que possible, pour ce qui est de la construction, de la périphérie (25) de la tête à gicleurs de manière telle que la tête à gicleurs produit sur la surface du matériau laminé un motif de projection qui est au moins adjacent au motif de projection de la tête à gicleurs voisine dans la rangée de têtes à gicleurs.

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