Annealing of cold rolled aluminium strip

• Main Authors: LODIN JOHANNES, RITZEN OLA, WIBERG SOREN, GRIPENBERG HENRIK, RANGMARK LENNART
• Format: Patent
• Language: English; Slovenian
• Published: 30.06.2015
• Subjects: BLASTING; CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS; CHEMISTRY; FERROUS OR NON-FERROUS ALLOYS; FURNACES; FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS; HEATING; KILNS; LIGHTING; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS; MECHANICAL ENGINEERING; METALLURGY; METALLURGY OF IRON; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; OPEN SINTERING OR LIKE APPARATUS; OVENS; RETORTS; TREATMENT OF ALLOYS OR NON-FERROUS METALS; WEAPONS

The invention is characterised in that a cold rolled strip (3) of aluminium is continuously transported along a transport path where a ramp of Direct Flame Impingement (DFI) burners (1) are located, for heating the strip, in that said ramp (1) is located perpendicular, or substantially perpendicular, to the direction of movement of the strip (3), in that the DFI burners (1) are mutually located such that the whole width of the strip (3) is heated to the same, or substantially the same, temperature, in that the velocity of the strip (3) passing the said ramp and the heating power of said burners (1) are adapted to heat treat the strip (3) such that annealing of the strip is carried out and in that the heat treated strip is wound to a coil (5).