F - Mech Eng,Light,Heat,Weapons – 27 – B
Patent
F - Mech Eng,Light,Heat,Weapons
27
B
F27B 3/08 (2006.01) C21C 5/52 (2006.01) F27B 1/02 (2006.01) F27B 3/18 (2006.01) F27D 11/10 (2006.01) H05B 7/10 (2006.01)
Patent
CA 2259180
An arc furnace has a furnace vessel, a furnace inner chamber and at least one electrode (4) that projects into the furnace inner chamber. The furnace is characterised by an electrode receiving chamber (5) accessible from one side of the furnace vessel, thermally shielded from the furnace inner chamber and provided with at least one passage (9) for the electrode (4) oriented towards the furnace inner chamber. This electrode receiving chamber (5) designed as a depression allows a furnace vessel with a great overall height to be driven with a relatively short electrode (4) which thanks to its small, free and clamped length has a lesser tendency to break.
Le four à arc décrit comprend une carcasse, une chambre intérieure et au moins une électrode (4) qui fait saillie dans la chambre intérieure. Ce four se caractérise par un logement d'électrode (5) accessible d'un côté de la carcasse, thermiquement séparé de la chambre intérieure par un blindage et pourvu d'au moins une ouverture (9) de passage de l'électrode (4) tournée vers la chambre intérieure. Ce logement d'électrode (5) en forme d'évidement permet le fonctionnement d'une carcasse de four de grande hauteur avec une électrode (4) relativement courte qui tend moins à se casser, étant donné que sa longueur serrée libre est relativement courte.
Kimmer Klaus
Klein Karl-Heinz
Badische Stahl Engineering Gmbh
Ridout & Maybee Llp
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