Lectromelt / Mannesmann Demag Melt Shop - (2) 45 Ton EAF, Ladle Furnace

MELT SHOP - MAIN EQUIPMENT REFERENCE

Products and steel grades:

-Low-carbon: yes

-Medium-carbon: yes

-High-carbon: yes

-Alloyed: yes

Scrap Yard:

-Storage area: 35,000 T

-Internal railroads: Yes

Bucket Charge:

-Charging area:

-Buckets: 2 + 2 Spares

-BVolume: 800 cu Ft.

-Charged by: 2 x locomotive cranes w/magnet

-Transfer: 2 scrap cars with scales

Electric Arc Furnace: Lectromelt

-Number of Electric Arc Furnaces (EAF): 2

-Furnace Type: Spout Tap

-Tap to Tap Time: 120 minutes

-Average Steel Heat Size: 41 metric ton

-Sidewall Refractory Panel: Water Cooled

-Roof Refractory Panel: Water Cooled

-Oxy-Fuel Burners: Yes

-Shell Diameter: 4.6 meters

-Transformer Capacity: 27 MVA.

-Electrode Diameter: 450 mm (18 inch)

-Charge Materials: 100 % Ferrous Scrap

-Energy Consumption: 521 kWh/metric tap ton

-Approximate Furnace Volume to Top of Side Panel: 22.65 cubic meters

Ladle Furnace: Mannesmann Demag

-Start-up/last revamp: 1997

-Ladle Transfer: crane, ladle car

-Electrodes: 12"

-Transformer: Westinghouse

-Power: 20 MVA

-Input: 13.8 KV

-Output: 154V - 350V / 6 taps

-Stirrer: Argon / Nitrogen - purous plug

Ladles:

-Number: 9 Engineering steel

-Ladle heaters and dryers:

-3 heaters - 6M BTU (natural gas)

-2 dryers - 6M BTU (natural gas)

Degasser

Caster: 2 Strand Caster, call us for details +1 973-344-6100

Alloy System:

-to buckets: lime

-to EAF: Foamy Carbon, Dolostone

-to ladles @ EAF: by alloy charge car

-to ladle @ LF & VAD: by hopper & wire feed

Storage:

-Dolostone: 158T

-Lime: 40T

-LF Bins: 113T

-VAD Bins: 19T

-EAF Bins: 205T