High yield ladle bottoms

B - Operations – Transporting – 22 – D

Patent

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Details

B22D 41/02 (2006.01) C21B 7/14 (2006.01) F27D 1/04 (2006.01) F27D 3/14 (2006.01)

Patent

CA 2629134

A refractory bottom for a metallurgical vessel comprised of a bottom lining having a bottom surface that is dimensioned to overlay a bottom of a metallurgical vessel and an upper surface. The upper surface is comprised of a plurality of discrete sections that include an uppermost section, an intermediate section and a lowermost section. Each section has an upper surface at a discrete elevation such that the upper surface of the uppermost section has a highest elevation and the upper surface of the lowermost section has a lowest elevation. The upper surface of the uppermost section, the intermediate section and the lowermost section comprise a series of successive stepped sections that define a stepped path from the uppermost section downward to the lowermost section. Each successive section of the upper surface is lower than a preceding section.

Fond réfractaire pour récipient métallurgique composé d'une garniture du fond possédant une surface inférieure qui est dimensionnée pour recouvrir le fond d'un récipient métallurgique et une surface supérieure. La surface supérieure se compose d'une pluralité de sections discrètes qui incluent une section la plus élevée, une section intermédiaire et une section la plus basse. Chaque section comporte une surface supérieure à une élévation discrète telle que la surface supérieure de la section la plus élevée a l'élévation la plus importante et que la surface supérieure de la section la plus basse a l'élévation la moins importante. La surface supérieure de la section la plus élevée, la section intermédiaire et la section la plus basse comprennent une série de sections successives en gradins qui définit un trajet en gradins de la section la plus élevée en descendant vers la section la plus basse. Chaque section successive de la surface supérieure est plus basse que la section précédente.

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