Charging device for arc furnaces

Details Charging device for arc furnaces Charging device for arc furnaces

F - Mech Eng,Light,Heat,Weapons

27

B

F27B 3/18 (2006.01) C21C 5/52 (2006.01) H05B 7/18 (2006.01) F27D 3/00 (2006.01)

Patent

CA 2184711

The invention relates to a charging device for closed arc furnaces with at least one electrode, especially for melting scrap. In order to be able to lay the charge in the furnace head in a predetermined quantity, time and location, according to the invention there is an annular chamber (31) on the furnace roof (18). There is a conveyor device (32) on which load magnets (35) are suspended and which can travel concentrically to the furnace's main axis (I) in this annular chamber. In addition, there is at least one material feed (40) projecting laterally into the furnace chamber (13) and the load magnets (35) are taken past it at a distance from the material feed (40) ensuring that the charge material is taken up.

L'invention concerne un dispositif de chargement pour fours à arc hermétiques, présentant au moins une électrode, utilisés en particulier pour la fusion de ferrailles. Une chambre toroïdale (31) située sur le ciel (18) du four permet de prédéterminer le volume de la charge à déposer, ainsi que le moment et l'endroit auxquels ladite charge doit être déposée dans la tête du four. Cette chambre toroïdale abrite un dispositif de transport (32) guidable concentriquement par rapport à l'axe principal du four (I) et auquel sont suspendus des aimants de charge (35). Ce dispositif de chargement comprend en outre, au moins un dispositif d'alimentation (40) faisant saillie latéralement dans la carcasse du four (13). Les aimants de charge (35) sont déplacés devant le dispositif d'alimentation (40), à une distance suffisante du dispositif d'alimentation pour permettre le prélèvement de la matière à charger.

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