8mm Copper Rod Casting Machine / Big Capacity Continuous Caster For Copper Rod

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China

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8mm Copper Rod Casting Machine / Big Capacity Continuous Caster For Copper Rod TECHNICALDESCRIPTION OF COPPER ROD CONTINUOUS CASTING & THREE ROLLING LINE 1. Application and Composition This plant works to produce low-oxygen copper rod in 8mm diameter by means of continuous casting and rolling process, with cathode and copper scrap as the raw material. The plant is composed of one set of tilting&refining furnace with 30 tons capacity, five-wheel casting machine, drive unit, roller shears, straightener and burring unit, shaver, rolling mill, coiler, and electrical control system. If cathode is used, a melting furnace(shaft furnace) with 16-ton/hour capacity and 12-ton holding furnace are required. 2. Brief Process Flow Charging copper scrap (grade 1 or grade 2) melting and refining in tilting&refining furnace launder to protect molten copper ladle casting machine to get cast bar roller shears straightener burring unit shaver to treat cast bar feed-in unit rolling mill cooling unit to quench rod winding unit to pre-shape rod star coiler to lay rod into coil. 3. Copper Scrap as raw material Red copper scrap as the raw material must be Grade 1 or Grade 2. 3.1. Copper scrap on excellent grade (Pb<100, Sn<300, Ni<50, Zn<50, Fe<50 and Sb<20) should be clean and non-alloy copper wires free from tin, containing no fragile burned wires.copper contentno less than 98% 3.2. Copper scrap on grade 2 (Pb<1000, Sn<800, Ni<150, Zn<300, Fe< 500, Sb<100, S<200) should be small director copper wires without insulation, usually containing telephone wires, copper bus bar with varnish coating or paper insulation, and thick or thin, clean copper bar.copper contentno less than 94% Charging raw material requirement:grade1(copper contentno less than 98%) must be more than 50%, grade 2(no less than 94%) no less than 30%,motors enamelled wire <20%(copper contentno less than 92%). 4. Main Technical Specifications 4.1. Diameter of rod: 8mm 4.2. Capacity: 12~15tons/hr. 4.3. Weight of coil: 3.0~5.0tons 4.4. Overall dimension of plant: 407.86.1m (not including melting furnace and cooling water circulation system) 4.5. Weight of plant: 85 tons (not including furnaces) 4.6. Total power of plant: 650kW (not including furnaces) 5. Components and Specifications 5.1. 30T tilting&refining furnace 1 set 5.1.1 Gas source requirement:( Description: the natural gas and liquefied petroleum gas (LPG) are available, the following gas for example) 2 5.1.1.1 Calorific value: NG 8500 kcal/ Nm 3 5.1.1.2 Flux(combustion system): Q :450m 3 /h 5.1.1.3 NG supply pressure: P:0.150.2Mpa 5.1.1.4 Flux(reduction system): Q :300m 3 /h(working 2~3 hours) Reduction system pressure: P:0.30.4Mpa Or using living tree(wood) to reduce the oxygen in the liquid mixed metal. 5.1.1.5 Compressed air source requirement(share with CCR) 5.1.1.6 Flux: Q : 20m 3 /min 5.1.1.7 Pressure: 0.4MPa 5.1.1.8 Properties: Must be dry , no water and oiliness 5.1.1.9 Cooling water 5.1.1.10 Flux: Q : 100NM3/H 5.1.1.11 Pressure: 0.4MPa 5.1.1.12 Nitrogen 5.1.1.13 Pressure: 0.6Mpa Q:200NM 3 /H(only one hour) 5.1.2. Equipment composition: This set of tilting furnace including furnace body, DC drive system, gas combustion system , REDOX system,electric control system. Customer own:smoke hoods,chimney flue(about 50M), dust collection system,charging device(forklift),launder,NG regulator station,air compressor,cooling water supply system,power supply system ,direct reading spectrometer,oxygen nitrogen analyzer,metallurgical temperature and oxygen online detector,tools of lay bricks,tools and devices of commissioning,all installation material. 5.1.3. Technical specification 5.1.3.1 Melting furnace type: titled type circular furnace 5.1.3.2 Copper melting time: about 9 hours 5.1.3.3 Oxidized time: about 2 hours 5.1.3.4 Reduction time: about 2 hours 5.1.3.5 Charging ways: forklift truck ends charging 5.1.3.6 Furnace effective capacity: not less than 30T 5.1.3.7 Raw material copper content no less than 98%+no less than 94%+no less than 92% 5.1.3.8 NG consumption of per ton rod low-oxygen copper rod: 90~100NM3 5.1.3.9 Furnace lining Mg-chrome bricks and mg-chrome castable, etc 5.1.3.10 Fuel NG 5.1.3.11 Ignition method manual 5.1.3.12 Dia of gas supply pipe DN100 5.1.3.13 The total power 80KW 5.2. Five-wheel Casting Machine 1 set 5.2.1. Diameter of casting wheel: 1900mm 5.2.2. Speed of casting wheel: 1.84~2.814rpm 5.2.3. Delivery speed of cast bar: 10.17~15.56m/min 3 5.2.4. Cross sectional area of cast bar: 2300mm 2 5.2.5. Motor: 5.5kW (AC, variable frequency, speed regulated) 5.2.6. Pressure of cooling water: 0.3~0.5Mpa 5.2.7. Amount of cooling water: 170m 3 /h 5.2.8. Temperature of cooling water: < 35 Composed of casting wheel, press-down wheel, tension wheel, guide wheel, pouring ladle, cooler, air blowe
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