METHOD AND DEVICE FOR DESCALING A METAL STRIP

The invention concerns a method and a device for descaling a metal strip (1), especially a hot-rolled strip of normal steel or a hot-rolled or cold-rolled strip of austenitic or ferritic stainless steel, in which the metal strip (1) is guided in a direction of conveyance (R) through at least one pla...

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Hauptverfasser: SENOKOSOV, ANDREI EVGENIEVICH, BEHRENS, HOLGER, BRISBERGER, ROLF, KRETSCHMER, MATTHIAS, FROMMANN, KLAUS, SENOKOSOV, EVGENY STEPANOVICH, ZERBE, RUEDIGER
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creator SENOKOSOV, ANDREI EVGENIEVICH
BEHRENS, HOLGER
BRISBERGER, ROLF
KRETSCHMER, MATTHIAS
FROMMANN, KLAUS
SENOKOSOV, EVGENY STEPANOVICH
ZERBE, RUEDIGER
description The invention concerns a method and a device for descaling a metal strip (1), especially a hot-rolled strip of normal steel or a hot-rolled or cold-rolled strip of austenitic or ferritic stainless steel, in which the metal strip (1) is guided in a direction of conveyance (R) through at least one plasma descaling unit (2, 3) in which it is subjected to a plasma descaling. The objective of the invention is to improve the production of this type of metal strip. To this end, the metal strip (1) is subjected to an automatically controlled cooling process in a cooling unit (4, 5) following the plasma descaling in the one or more plasma descaling units (2, 3) in such a way that it has a well-defined temperature downstream of the cooling unit (4, 5). The invention also concerns a method in which the strip is coated with a coating metal after the plasma descaling operation and in which the heating of the strip caused by the plasma descaling operation is utilized in the coating operation.
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The objective of the invention is to improve the production of this type of metal strip. To this end, the metal strip (1) is subjected to an automatically controlled cooling process in a cooling unit (4, 5) following the plasma descaling in the one or more plasma descaling units (2, 3) in such a way that it has a well-defined temperature downstream of the cooling unit (4, 5). 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language eng ; fre
recordid cdi_epo_espacenet_CA2779481C
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subjects 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
title METHOD AND DEVICE FOR DESCALING A METAL STRIP
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