1. Application
This plant works to produce low-oxygen glossy copper rod in 8mm diameter by means of continuous casting and rolling process, with cathode as the feedstock.
2. Composition
The plant is composed of 1 sets of melting furnace with 12-ton/hour capacity and 8-ton holding furnace, five-wheel casting machine, drive unit, roller shears, straightener and burring unit, shaver, rolling mill, coiler, and electrical control system.
3. Main Technical Specifications
3.1. Diameter of rod: φ 8mm
3.2. Capacity: 10~12tons/hr.
3.3. Weight of coil: 3.0~5.0tons
3.4. Overall dimension of plant: 40× 7.8× 6.1m (not including melting furnace and cooling water circulation system)
3.5. Weight of plant: 85 tons (not including melting furnace)
3.6. Total power of plant: 600kW (not including melting furnace)
4. Components and Specifications
4.1 Melting Furnace and holding furnace, 1 set
4.1.1. Melting furnace: Vertical shaft furnace
4.1.2. Max. Melting capacity: 12 ton/hr.
4.1.3. Type of holding furnace: Hydraulic rotary type
4.1.4. Available volume of holding furnace: 8 tons
4.2. Five-wheel Casting Machine, 1 set
4.2.1. Diameter of casting wheel: φ 1900mm
4.2.2. Delivery speed of cast bar: 10.17~15.56m/min
4.2.3. Cross sectional area of cast bar: 2100mm2
4.2.4. Motor: 5.5kW (AC, variable frequency, speed regulated)
4.2.5. Amount of cooling water: 170m3/h
4.3. Roller Shears, 1 set
4.3.1. Motor: 15kW (AC variable frequency, speed regulated)
4.3.2. Length of cast bar cutting: 700mm
4.4. Straightener & Burring Unit, 1 set
4.5. Shaver, 1 set Motor 0.75kw
4.6. Continuous Rolling Mill (Patent No. ZL200420032401.7), 1 set
4.6.1 Total power 450 kW (or 2× 280KW )(DC)
4.6.2 Final rolling speed 8.31m/s (Max. )
4.6.3 Diameter of outlet φ 8 mm
4.6.4 Central height of rolling 1000 mm
4.7. Emulsion Lubrication System, 1 set
4.8. Oil Lubrication System, 1 set
4.9. Coiler, 1 set
4.9.1. Rod winder
Coiling diameter: 1800mm
Winding motor: 4kW (AC, variable frequency and speed regulated)
4.9.2. Coiler trolley
Coiling diameter: 1400mm
Height of coiler basket: 1500mm
Motor for basket rotation: 4kW (AC, variable frequency and speed regulated)
4.9.3. Cooling and blower system
Temperature of alcoholic water: <45C°
Consumption of alcoholic water: 50~80m3/h
Pressure of alcoholic water: > 0.5Mpa
4.9.4. Alcoholic water supply system
Alcoholic water pump: 100m3/h, 22kW
Chiller: 80m2 (consumption of water at 100ton/hr. )
4.10. Electrical Control System, 1 set
4.10.1. Power source: 3-phase 4-line system, AC, 380V, 50Hz
4.10.2. Control circuit: Single, AC, 220V
