Lining at restriction part of converter

C - Chemistry – Metallurgy – 21 – C

Patent

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C21C 5/44 (2006.01) F27D 1/04 (2006.01)

Patent

CA 2452406

A lining at the restriction part of a converter capable of more suppressing the falling of bricks than before even if the bricks at the restriction part are stack aslant and increasing a workability at the time of installation, wherein the shell of the converter at the restriction part is lined with firebricks by tilt stacking to protect the restriction part against melting by hot molten steel and slag, a projectedly bent locking part is provided on the upper and lower surfaces of the firebricks, and the locking part on the lower surface of the firebrick stacked on an upper side is overlapped with the locking part on the upper surface of the firebrick stacked on a lower side.

L'invention porte sur un garnissage se trouvant au niveau de la partie restrictive d'un convertisseur capable de supprimer davantage la chute des briques qu'auparavant même si les briques sont empilées en travers au niveau de la partie restrictive et capable d'augmenter l'aptitude au façonnage au moment de l'installation. La coque du convertisseur au niveau de la partie restrictive est garnie de briques réfractaires par empilement incliné de façon à protéger la partie restrictive de la fusion de l'acier et du laitier chauds. Une partie de verrouillage courbe et saillante est ménagée sur les surfaces inférieure et supérieure des briques réfractaires, la partie de verrouillage de la surface inférieure de la brique réfractaire empilée sur une face supérieure est recouverte de la partie de verrouillage de la surface supérieure de la brique réfractaire empilée sur une face inférieure.

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