Structure of metallurgical furnace and operating method...

F - Mech Eng,Light,Heat,Weapons – 27 – D

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F27D 1/12 (2006.01) F27D 99/00 (2010.01) C21B 11/00 (2006.01) C21C 5/42 (2006.01) C21C 5/46 (2006.01) C21C 5/52 (2006.01) C21C 7/00 (2006.01) F27B 3/12 (2006.01) F27B 3/16 (2006.01) F27D 3/14 (2006.01)

Patent

CA 2307090

A metallurgical furnace which comprises a furnace body shell, a bottom wall comprising lining bricks provided on an inner side of the furnace body shell, and a side wall comprising water-cooled metal panels provided on the inner side of the furnace body shell, wherein metal partitions are provided among the water-cooled metal panels, a furnace body comprises upper and lower vessels, which can be separated from each other, and which are provided therebetween with a seal means, a hot metal as a seed molten metal is introduced from a pan to a tap hole via an introduction passage, and a residual molten metal is discharged from an enlarged bottom-blown nozzle port.

L'invention concerne un four métallurgique comprenant une coquille de corps de four, une paroi inférieure comprenant des briques de garnissage disposées sur une face intérieure de l'enveloppe du corps du four, ainsi qu'une paroi latérale comprenant des panneaux en métal refroidis par eau disposés sur la face intérieure de l'enveloppe du corps du four, de manière que des cloisons en métal sont disposées parmi les panneaux métalliques refroidis par eau. Un corps de four comprend des cuves supérieure et inférieure pouvant être séparées l'une de l'autre et entre lesquelles se trouve un dispositif d'étanchéité, un métal chaud tel qu'un métal en fusion de germe étant introduit à partir d'un pot dans un trou de coulée par un passage d'introduction, et un métal en fusion résiduel est déchargé d'un orifice élargi de buse de soufflage par le fond.

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