Electric Arc furance High Impedance Electric Melting Furnace Ladle furance
EAF and LF
High Impedance Series EAF is used to produce common carbon steel, high quality carbon steel and alloy steel.
The High Impedance Series EAF is suitable for 100% scrap operation, part-scrap part-molten steel operation, DRI and sponge iron.
Features:
High-voltage for secondary side Long-electric-arc, low-current operation can be achieved.
High power factor
Water-cooled roof and furnace shell
Feeding from the roof & EBT
All hydraulic control for electrode , roof rotation, furnace-body tilting
HMI monitor system
Component facilities:
Furnace transformer, short net, electrode lifting setting, eletrode arm, ladle cover and its lifting setting, mainn body, EBT, ladle, ladle car, water cooling system, compressed air system, hydraulic system, automatic feeding system, high voltage power supply system, low voltage electric control system, automatic system, etc.
Basic parameters for LF Ladle refining furnace
| Type | Furnace shell diameter (mm) | Capacity (t) | Transformer parameter | Molten steel heating time (℃/min) | Graphite electrode diameter (mm) | Diameter of electrode distribution (mm) |
| Rated/Max | Rated capacity (MVA) |
| LF-15 | 2000 | 15/18 | 3 | ≥3 | 250 | 460 |
| LF-20 | 2500 | 20/30 | 4 | ≥3 | 250 | 460 |
| LF-30 | 2700 | 30/40 | 6 | ≥4 | 300 | 550 |
| LF-40 | 2900 | 40/50 | 8 | ≥4 | 300 | 550 |
| LF-50 | 3000 | 50/60 | 10 | ≥4 | 350 | 620 |
| LF-60 | 3150 | 60/70 | 12.5 | ≥4 | 350 | 620 |
| LF-70 | 3200 | 70/80 | 13.5 | ≥4 | 400 | 680 |
| LF-80 | 3300 | 80/90 | 14 | ≥4 | 400 | 680 |
| LF-90 | 3400 | 90/100 | 16 | ≥4 | 400 | 680 |
| LF-100 | 3600 | 100/115 | 18 | ≥4 | 450 | 740 |
| LF-130 | 3700 | 130/145 | 20 | ≥4 | 450 | 740 |
| LF-150 | 3900 | 150/170 | 25 | ≥4 | 450 | 740 |
| LF-200 | 4200 | 200/220 | 35 | ≥4 | 450 | 740 |
| LF-250 | 4400 | 250/270 | 40 | ≥4 | 500 | 810 |
MMI of EAF control system
Basic parameters of High Impedance Series EAF
| Type | Furnace shell diameter(mm) | Capacity (t) | Transformer parameter | Reactor capacity (Kvar) | Graphite electrode diameter (mm) |
| Rated/Max | Rated capacity (MVA) |
| EAF-30 | 4600/4800 | 30/45 | 25-32 | 7000 | 450 |
| EAF-60 | 5400 | 60/70 | 45-55 | 9000-11000 | 500 |
| EAF-70 | 5600 | 70/80 | 55-65 | 11000-13000 | 500 |
| EAF-80 | 5800 | 75/85 | 60-70 | 12000-14000 | 500-550 |
| EAF-100 | 6200 | 100/120 | 75-85 | 15000-17000 | 550-600 |
| EAF-120 | 6400 | 1120/140 | 90-110 | 18000-22000 | 600-650 |
| EAF-150 | 6800 | 150/170 | 120-130 | 24000-26000 | 650 |
Product Tags:
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