Tenova S.p.a.

Piccardi S.r.l.

Giancarlo Cavallini

Silvio Maria Reali

Mauro Grioni

Sivio Maria Reali

Gianlucio Piccardi

A method and apparatus closing a slag doorway and cleaning the slag doorway and channel of a metallurgical furnace including walls defining a slag doorway and a slag channel that crosses the slag doorway and has a bottom. The apparatus includes a support structure associable with the furnace, at least one slag-breaking body including a lower border that, under mounting conditions of the apparatus on the furnace, is directed towards the bottom and at a definable height, the slag-breaking body being associated with the support structure in a movable manner along the slag channel away and/or towards the slag doorway to wipe, with its lower border, the bottom or a parallel plane, and a vibrating or oscillating mechanism associated with the slag-breaking body to confer a vibrating or oscillating movement with non null component incident the bottom, during a travel performed during its movement away or towards the slag doorway.

Apparatus for closing the slag doorway and for cleaning the slag doorway and channel of a metallurgical furnace and relative method

A device () for adjusting the locking point of the electrode of a smelting furnace includes a vice () for supporting said electrode and supplying it with power. A structure () is coupled with the vice (), supports the electrode and moves the electrode vertically.

Device for adjusting the locking point of an electrode

A movable device for injecting oxygen and other technical materials into an electric arc furnace includes a housing situated above a portion of a step of a crucible and equipped with a cooling coil, an injection lance of oxygen and other technical materials, a supporting and moving system of the lance between minimum and maximum range points of the liquid bath level contained therein, positioned in the housing, an opening situated in the housing and facing the inside of the crucible in which the lance is transferably guided, and a scraping member disposed between the opening and the lance.

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Monza, Italy

Giancarlo Cavallini