Metal production
EAF, LF, VD & VOD - 70 T
Ref. No.:EAF200601
YEAR:2011
Brand:ZL KLADNO, ETD AS, ASEA, FEST-HF
Qty:1 Second-hand ELECTRIC ARC FURNACE
Specification
Description | EAF, LF, VD & VOD - 70 T |
Ref. No. | EAF200601 |
Year | 2011 |
Brand | ZL KLADNO, ETD AS, ASEA, FEST-HF |
Qty. 1 Second-hand ELECTRIC ARC FURNACE | |
Mfc. | ZL Kladno Capacity |
Output capacity | 25 t/h Annual capacity |
Power input | max. 25 MVA Average |
Kind of scrap | External scrap Internal scrap (rest from forge and foundry) |
Internal scrap - turnings (rest from machinery) Iron Ore | |
THREE - PHASE TRANSFORMER | |
Mfc. | ETD TRANSFORMATORS A.S. Built |
Type | YR33E-4 Norm |
LADLE FURNACE & VACUUM DEGASSING (VD) | |
Mfc. | ASEA – SKF Built |
Type of ladles | 5 x 60 T, 2 x 90 T, 2 x 120 T, 1 x 150 T |
VACUUM OXYGEN DECARBURISING (VOD) | |
Mfc. | FEST-HF Built |
Qty. 1 Second-hand ELECTRIC ARC FURNACE | |
Mfc. | ZL Kladno Capacity |
Output capacity | 25 t/h Annual capacity |
Power input | max. 25 MVA Average |
Kind of scrap | External scrap Internal scrap (rest from forge and foundry) |
Internal scrap - turnings (rest from machinery) Iron Ore | |
Tap-to-Tap time | 150 min Power ON |
Burner/Jet | 4 x JetBox PTI - USA (4x supersonic lance, include 2x carbon injection) |
Oxygen consumption | 45 m³/t Natural gas consumption |
Oxygen injection type | 4xJetBox (PTI - USA ) |
Carbon injection | 10 kg/t Carbon injection type |
Carbon injection max. flow rate | 200 kg/h |
Coke injected consumption | 20 kg/min Coke charge consumption |
Lime charge consumption | 35 - 45 kg/t Limestone charge consumption |
Dolomite charge consumption | 12 kg/t Basket capacity max. |
Metallic charge (Scrap, DRI,HBI,….) | 95% scrap, 5% pig iron |
Water-cooled panels + roof Tapping design | RBT - round bottom tapping |
Type of refractory | MC Type of sliding gate |
Shell diameter | 4450 mm (5300 mm - without refractory) |
Electric energy consumption | 400 kWh/t |
Electrode consumption | 2.5 – 3.5 kg/t - Electrode diameter 500 mm |
Electrode regulation system type | Automatic |
Electrode movement type (Hydraulic, winch,…) | Hydraulic |
Argon blowing system | three porous plug (0N2 + Ar ) |
Dust collection/off gas system | primary 60 000 Nm³/hour Secondary 300 000 Nm³/hour |
Annual production (2017) | 38 800 t |
Steel grades | Carbon steel Alloy steel Stainless steel |
THREE - PHASE TRANSFORMER | |
Mfc. | ETD TRANSFORMATORS A.S. Built |
Type | YR33E-4 Norm |
Connection | YIII Cooling |
Total weight | 88.6 T Transport with oil |
LADLE FURNACE & VACUUM DEGASSING (VD) | |
Mfc. | ASEA – SKF Built |
Type of ladle | 5 x 60 T, 2 x 90 T, 2 x 120 T, 1 x 150 T |
Capacity | 40 – 140 Ton liquid Tap to tap time |
Steel grades | carbon steel , alloy steel, stainless steel |
Heating rates | 1.5 – 4.5 °C/min. Ladle dia. |
Electrical energy consumption | 120 kWh/t Electrode consumption |
Electrode dia. | 400 mm Type of refractory |
Holding time | average – 30 min. below 1 Torr H2 max. |
Dust collection /off gas system | primary 25 000 Nm³/hour |
Pumping speed (steam water) | 10 000 Nm³/hour |
Argon blowing system | Two porous plug on each ladle, Ladle 150 T – 3 porous plugs (Ar & N2) |
VACUUM OXYGEN DECARBURISING (VOD) | |
Mfc. | FEST-HF Built |
Starting & Holding Pressure | 736 -1.0 Torr Holding time |
Pumping speed (steam water) | 600 000 Nm³/h H2 max. |
Type of ladles | 60, 90, 120, 150 Ton |
Argon blowing system | Two porous plug on each ladle, Ladle 150 T – 3 porous plugs (Ar & N2) |
Type of refractory | MC + AMC /MCr |