Converter, useful for molten metal, comprises a mantle, a refractory lining arranged in the inner side of the mantle, and tapping channel passing through the refractory lining and mantle, which is close to filling opening

摘要

Converter (1) comprises: a mantle (2); a refractory lining (3) arranged in the inner side of the mantle; and tapping channel (5) passing through the refractory lining and mantle, which is close to filling opening (4), and which is formed by a sleeve made of refractory material used in a perforation of the tapping channel with radial clearance, where the ring gap formed by the radial clearance is filled with refractory filler material. The sleeve exhibits an end of first circumferential collar located in the perforation of the tapping channel. Converter (1) comprises: a mantle (2); a refractory lining (3) arranged in the inner side of the mantle; and tapping channel (5) passing through the refractory lining and mantle, which is close to filling opening (4), and which is formed by a sleeve made of refractory material used in a perforation of the tapping channel with radial clearance, where the ring gap formed by the radial clearance is filled with refractory filler material. The sleeve exhibits an end of first circumferential collar located in the perforation of the tapping channel near its target position facing the interior of the converter, which bears the annular gap-bridging at the hole face of the hole provided with the sleeve at its outer end with a stopper-forming second collar and exhibits covered through-holes in the region of the annular gap. The refractory filler material for the annular gap is introduced through the perforations in the annular gap.