E.A.F (ELECTRIC ARC FURNACE)
| EQUIPMENT | ITEM | UNIT | 70T |
| BODY | MAKER | - | NKK(JAPAN) |
| CURRENT TYPE | - | A.C. | |
| NOMINAL CAPA | TON/CH. | 70 | |
| TAPPING TYPE | - | EBT | |
| SCRAP CHARGING VOL. | ㎥ | 73.0 | |
| SHELL INNER DIA | mm | 5,800 | |
| SHELL HEIGHT | mm | 4,250 | |
| TRANSFORMER | MAKER | - | FUJI |
| CAPACITY(R/MAX) | MVA | 55/66 | |
| PRIME VOLTAGE | V | 22,000 | |
| PRIME CURRENT | A | 1,443 | |
| SECONDARY VOLTAGE(STEP×TAP) | V | F810-R600-450 (30V×13STP) |
|
| SEC.CURRENT(R/MAX) | A | 52,900/63,500 | |
| TAP CHANGER | - | OLTC | |
| ELECTRODE REGULATING DEVICE |
CONTROL TYPE | - | VVVF |
| STROKE | mm | 4,350 | |
| MOTOR/CYLINDER | Kw×P×V | 37×6×440 | |
| SPEED | M/MIN | 7.0 | |
| TILTING DEVICE |
TYPE | - | HYDRAULIC |
| ANGLE | F/B | 25˚/15˚ | |
| MOTOR | Kw×P×V | - | |
| CYLINDER | Φ×ST | 280×180×3920 | |
| SPEED | SEC | 43 | |
| ROOF REGULATING DEVICE |
TYPE | HYDRAULIC | |
| STROKE | mm | 350 | |
| CYLINDER | Φ×ST | 224/125 ×400ST | |
| ROOF SWING DEVICE |
TYPE | HYDRAULIC | |
| SWING ANGLE | 55˚ | ||
| CYLINDER | Φ×ST | 224/125 ×1145ST | |
| ELECTRODE | DIMENSION | inch | 22 |
| LENGTH | inch | 96 | |
| NUMBER OF THREADS | TPI | 4 | |
| PCD | mm | 1,250 | |
| OTHERS | SIDE WALL LANCE BURNER | EA | 4 (O.F.BURNER) |
| SCRAP PRE-HEATER | - | - | |
| SCRAP CHARGING BUCKET | ㎥ | 55 |
L.F (Laddle Furnace)
| EQUIPMENT | ITEM | UNIT | 70T |
| BODY | MAKER | - | NIKKO |
| CURRENT TYPE | - | A.C. | |
| NOMINAL CAPA | TON/CH. | 70 | |
| SHELL INNER DIA | Φmm | 2,472 | |
| HEIGHT | mm | 3,295 | |
| TRANSFORMER | MAKER | MVA | KITASHIBA |
| CAPA. | MVA | 15 | |
| PRIME VOLTAGE | V | 22,000 | |
| PRIME CURRENT | A | 394 | |
| SECONDARY VOLTAGE(STEP×TAP) | V | F310-R260-L210 (10V×11) |
|
| SECONDARY CURRENT | A | 33,300 | |
| TAP CHANGER | - | OLTC(INDIRECT) | |
| ELECTRODE REGULATING DEVICE |
CONTROL TYPE | - | VVVF |
| STROKE | mm | 2,110 | |
| MOTOR/CYLINDER | Kw×P×V | 11Kw | |
| SPEED | M/min. | 3.0 | |
| ELECTRODE | GRADE | - | HP |
| DIMENSION | inch | 14 | |
| LENGTH | inch | 84 | |
| NUMBER OF THREADS | TPI | 3 |
C.C.M(Continuous Casting Machine)
| EQUIPMENT | ITEM | UNIT | 70T |
| GENERAL | MAKER | - | MHISES (日) |
| TYPE | - | MC-13S | |
| CASTING RADIUS | mm | 13,000 | |
| NUMBER OF STRAND | - | 4 | |
| STRAND SPACING | mm | 1,900 | |
| CASTING SIZE | mm | BB 420 ×490 ×140 BB 380 ×440 ×140 BL 2040, 2331 |
|
| CUTTING LENGTH | mm | 3,000∼10,000 | |
| CASTING SPEED | m/min. | 0.45∼1.0 | |
| LADLE | TYPE | SLIDE GATE VALVE | |
| CAPACITY(MAX) | t | 90 | |
| LADLE CHANGE | SWING TURRET | ||
| TUNDISH | CAPACITY | t | 22.0 |
| HEIGHT(STEEL BATH) | mm | 600 | |
| NOZZLE | mm | 15.3, 15.5, 19 | |
| WEIGHT CONTROL | - | LOAD CELL | |
| T/D CAR | TRAVELLING DEVICE | - | MOTOR DRIVE |
| MOTOR | Kw×P×V | 3.7 ×4×220 | |
| SPEED | m/min. | 12 | |
| LAUNDER | - | MANUAL | |
| MOULD | TYPE | - | BB:PLATE, BL:TUBULAR |
| SIZE | mm | BB 700, BL 800 | |
| COOLING TYPE | - | WATER FLOW | |
| LEVEL CONTROL | - | Cs137 | |
| MOULD OSCILLATION DEVICE |
DRIVING TYPE | - | AC MOTOR |
| MOTOR | Kw×P×V | 11 ×6 ×320 | |
| STROKE | mm | 3 ∼ 11 | |
| CYCLE | cycle/min | 25 ∼ 120 | |
| WITHDRAWAL | DRIVING TYPE | - | AC MOTOR |
| MOTOR | Kw×P, EA/St | 11 ×4, 4 | |
| PINCH ROLL STAND | EA/St | 4 | |
| ROLL DIA | mm | 400 | |
| PRESSURE TYPE | - | HYDRAULIC CYLINDER | |
| DUMMY BAR | TYPE | - | BLOCK LINK |
| LENGTH | mm | 23,500 | |
| STORAGE TYPE | - | 2 SIDE | |
| CUTTING DEVICE |
TYPE | EA | GAS CUTTER |
| CAPACITY | t | - | |
| CUTTING TYPE | - | GAS CUTTING | |
| CUTTING LENGTH DETECTION | MEASURING ROLL |
DEDUSTING SYSTEM
| DESCRIPTION | UNIT | 70T | ||
| Exhaust System | Design Standard | SCRAP Charge Capa. | TON/CH | 94 |
| TRANSFOMER | MVA(Raing/max) | 55/66 | ||
| Electroad | inch | 20 | ||
| Furnace Inside diameter | Φmm | 5,800 | ||
| TAP TO TAP | MIN/CH | 62 | ||
| Commitment Measurement | ㎥ | 61,440 | ||
| Prevent System | Direct Dust (Booster Blower) |
Airflow | ㎥/min | 5,700 |
| Pressure/Temperature | mmAq×℃ | 600×300 | ||
| Rotation Control | - | Fluid COUPLING | ||
| Motor Capacity | Kw×P | 1,500×6 | ||
| DUCT and Cooling System |
Straight Pipe | Φmm×Lm | 1,700×5 | |
| Absorber | Φmm×Lm | 3,200×7.5 | ||
| Water Cooling DUCT | Φmm | 1,700/1,850 | ||
| Air Cooling DUCT | Φmm | 1,850 | ||
| MAIN DUCT | Φmm | 3,500/4,000 | ||
| BAG HOUSE | Type | - | Juction Sealed | |
| Exhaustion System | - | Counter Airflow (r.flow) |
||
| Design Efficiency | %(mg/S㎥) | 99 (5~10) | ||
| Filtering Speed | m/min | 1.03 | ||
| B/H enterance(exit) Temp. | ℃ | 50~80 (45~70) | ||
| FILTER BAG SIZE | Φmm×Lm(㎡) | 292×10 (9.7) | ||
| FILTER BAG Q'ty | pcs/set×set=Q'ty | 96×26=2496 | ||
| FILTER BAG Material | - | Polyester | ||
| Building Dust (Main- Blower) |
Airflow | ㎥/min×set | 10,000×2 | |
| Pressure/Temperature | mmAq×℃ | 480×70 | ||
| Motor Capacity | Kw×P×set | 1,300×8×2 | ||
| Rotation Control | - | Fluid COUPLING | ||
| Exhaustion Blower |
Airflow | ㎥/min×set | 900×2 | |
| Pressure/Temperature | mmAq×℃ | 250×60 | ||
| Motor Capacity | Kw×P×set | 75×6×2 | ||
| Built of Year | - | 91.5 | ||
| Installation Company | - | Hyundai(NIKKO) | ||
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