ENSAMBLE DE TOBERA DE AGITACION DEL FONDO DE UN HORNO DE ARCO ELECTRICO.

摘要

A tuyere assembly (18) for injecting gas for stirring the melt in an an electric arc furnace (10) as initially installed extends above the furnace bottom (14) so as to avoid erosion of the furnace bottom (14) by the currents produced in the melt by the stirring gas. Preferably, the tuyere assembly (18) includes a tuyere block (20) retained in the furnace bottom (14) and a tuyere brick (22) removably received in said tuyere block (20) and containing a conduit (24) for the introduction of the stirring gas.