Melting,

Secondary Metallurgy

MELTING

Melting furnace: Electric Arc Furnace (E.A.F.), 2008

  • Type of furnace: three-phase alternate current (AC)

  • Rated capacity: 70 tonnes

  • Transformer: 50 MVA

  • Graphite electrodes diameter: 500 mm

  • Furnace diameter: 4.3 m

  • Tapping system: sprue

  • Refractory line: Mg-C bricks

  • Chemical package technology with four multipoint oxygen, natural gas, lime and carbon injectors fixed to the E.A.F. shell

  • Bubbling system: nitrogen by three porous plugs

  • Automatic plant for the addition of ferroalloys, lime and carbon

fm2-parco-rottame.jpg

Scrap yard

fm3-caricamento-cesta-al-eaf.jpg
fm4-pulpito-di-comando-del-forno-elettri

REFINING

Refining furnace: Ladle Furnace 1 (LF1), 1997

  • Transformer: 20 MVA

  • Graphite electrodes diameter: 350 mm

  • Heating capacity: 5 °C/min

  • Bubbling system: argon/nitrogen

  • 5 inoculation systems for wires

  • Automatic plant n. 1 for the addition of ferroalloys and lime

Refining furnace: Ladle Furnace 2 (LF2), 2009

  • Transformer: 25 MVA

  • Graphite electrodes diameter: 350 mm

  • Heating capacity: 6 °C/min

  • Bubbling system: argon/nitrogen

  • 5 inoculation systems for wires

  • Automatic plant n. 2 for the addition of ferroalloys and lime

fm6-forno-di-affinazione-LF1.jpg
fm7-forno-di-affinazione-LF2.jpg
fm8-impianto-VD-VOD.jpg

VD / VOD

DEGASSING/DECARBURATION

Degassing: Vacuum Degasser (VD), 2003

Decarburation: Vacuum Oxygen Decarburation (VOD), 2012

  • Vessel diameter: 4.5 m

  • Height: 6 m

  • Volume: 100 cubic m

  • Liquid ring pump: 1

  • Steam ejectors: 4

  • Ejection capacity: 180 kg/h at 0.67 mbar, 1,600 kg/h at 80 mbar

  • Bubbling system: argon/nitrogen

  • 4 inoculation systems for wires

  • Oxygen lance for decarburation (VOD)

  • Metallurgical supervisor (VOD)

  • Hopper for the addition of reducers after oxygen blow (VOD)

Sede Legale:

Via Antonio Salandra, 18 – 00187 ROMA (RM) 

P.I. /C.F.: 04114010160 R.E.A.: RM - 1581931 Capitale sociale i.v. € 35.000.000,00

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Sede Operativa ed Amministrativa:

Località Motta Alta, 14 – 24050 Cividate al Piano (BG)  Tel. +39.0363.97193/4 Fax. +39.0363.976666

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