Linde installs REBOX® oxyfuel solutions in Germany


Linde installed the REBOX® oxyfuel solutions in the existing galvanizing line at ThyssenKrupp Steel AG (TKS), which resulted in a production increase of 30 percent, from 82 to 105 tons per hour.

Since oxyfuel not only effectively heats, contributing to a reduction of fuel consumption, it also cleans, which eliminates the need for the pre-cleaning section.

Direct Flame Impingement (DFI) oxyfuel, where the oxyfuel flames are fired directly onto the moving metal was the chosen REBOX® solution. This drastically increases the heat transfer for more through put without extending the furnace or line. Three metres of the recuperative zone were refitted with a compact 5 MW DFI oxyfuel unit consisting of four burner row sets.

Fuel consumption was reduced by 6 percent and annealing properties over the entire strip width were improved. The strip surface was effectively cleaned from unwanted contaminants such as oil and residues, making it possible to remove a 25 metre strip pre-cleaning section.

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