Abstract
A new technology aimed at protecting Torpedo Car refractory lining through the Formation of a Protective Layer - FPL - was developed.The technique consists of doping the process slag, thereby leading to an increased resistance of Torpedo Car refractory lining wear. Preliminary laboratory simulations were run, with a view to streamlining slag doping elements concentration, followed by trials in a rotary oven to simulate Torpedo Car refractory wettability by means of doped slag. As a result, the FPL technology was implemented on an industrial scale, thus helping protect CSN Torpedo Car refractory lining.
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