METHOD AND DEVICE FOR DESCALING A METAL STRIP

The invention relates to a method and a device for descaling a metal strip (1), especially a hot-rolled strip consisting of normal steel or a cold-rolled or hot-rolled strip consisting of austenitic or ferritic stainless steel. According to said method, the metal strip (1) is guided in a transport d...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BEHRENS HOLGER, FROMMANN KLAUS, ZERBE RUEDIGER, KRETSCHMER MATTHIAS, BRISBERGER ROLF, SENOKOSOV ANDREI EVGENIEVICH, SENOKOSOV EVGENY STEPANOVICH
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY CLEANING CLEANING IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY PERFORMING OPERATIONS PREVENTION OF FOULING IN GENERAL PUNCHING METAL ROLLING OF METAL SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to a method and a device for descaling a metal strip (1), especially a hot-rolled strip consisting of normal steel or a cold-rolled or hot-rolled strip consisting of austenitic or ferritic stainless steel. According to said method, the metal strip (1) is guided in a transport direction (R) through at least one plasma descaling device (2, 3) in which it is subjected to a plasma descaling process. The aim of the invention is to improve the production of one such metal strip. To this end, the metal strip (1) is subjected to a regulated cooling process in a cooling device (4, 5) following the plasma descaling process in the at least one plasma descaling device (2, 3), in such a way that it has a defined temperature downstream of the cooling device (4, 5). The invention also relates to a method, according to which the strip is provided with a coating consisting of a coating metal, using the heat produced by the plasma descaling process, following the same.