LOWER HOOD FOR THE CAS-OB PROCEDURE.

摘要

A BOTTOM HOOD FOR THE CAS-OB PROCEDURE (COMPOSITION ADJUSTMENT BY SEALED ARGON BUBBLING-OXYGEN BLOWING) IN ACERIAS, SHOWS A HORIZONTAL Flanged FLANGE THAT SERVES TO STAY THE TOP HOOD AND A METAL REINFORCED PIECE. THE REINFORCEMENT PIECE MAY BE FORMED BY VERTICALLY ALIGNED STEEL BARS (12), WHICH ARE DISTRIBUTED BY THE PERIMETER OF THE FLANGE (10) AND COVERED BY A REFRACTORY MATERIAL (11), OR BE COMPOSED BY A WRAP , WHICH IS CLEARED BY A GREAT AMOUNT OF SLOTS AND EQUALLY SURROUNDED BY A REFRACTORY MATERIAL.