F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
F27D 1/12 (2006.01) C21B 13/12 (2006.01) F27B 3/24 (2006.01)
Patent
CA 2599208
An electric arc furnace (10) has an outer shell (12) and an inner refractory lining (24). During its operation the electric arc furnace (10) contains a bath (28) of molten metal which has a minimum and a maximum operational level (32). An inner cooling ring (23) of copper slabs (20), which are in thermo- conductive contact with the inner refractory lining (24) and equipped with spray cooling means (22), is mounted to the outer shell (12) in the region (34) between the minimum and the maximum operational level (32).
L'invention concerne un four électrique à arc (10) comprenant une enveloppe externe (12) et une garniture réfractaire interne (24). Lorsque le four à arc électrique (10) est mis en oeuvre, celui-ci comprend un bain (28) de métal fondu possédant des niveaux de fonctionnement minimal et maximal (32). Un anneau de refroidissement interne (23) de plaques de cuivre (20) en contact thermo-conducteur avec la garniture réfractaire interne (24) et comprenant des moyens de refroidissement par pulvérisation (22) est monté sur l'enveloppe externe (12) dans la région (34) entre les niveaux de fonctionnement minimal et maximal (32).
Lonardi Emile
Roth Jean-Luc
Tockert Paul
Gowling Lafleur Henderson Llp
Paul Wurth S.a.
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