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27250329

中古

1.0 MLN TPY Steckel Mill Year of Manufacture: 2002 Type: Used Location: USA 1.0 MLN TPY Steckel Mill Details • capacity up to 1.0 mln. TPY Slab size: • Thickness: 200-230 mm • Width: 900-1,600 mm • Length: 6,000-10,400 mm • Weight: max.30 tons Rolling line equipment composition: 1 walking beam heating furnace, high-pressure water descaling device, 2-stand four-high reversing tandem mill, 1 edger mill, 2 coiling furnaces at the mill entry & delivery, laminar flow cooling device, ground coiler, coil unloading car, bundling machine, walking beam conveyor, and roller table each have 1 set. Main equipment technical features and parameters:- 1. Walking beam heating furnace • Dimension: 30,300 x 11,000 mm • Furnace feeding/delivery roll table centre: 36,640 mm • Heating temperature: 1270 C • Hour production: 175 tons • Fuel: blast furnace gas 2. Coiling furnaces at the mill entry & deliver • Top furnace shell insulation material: insulation fibber composition • Bottom furnace shell insulation material: refractory concrete • Mandrel size: Φ1,370 x 2,100 mm • Mandrel gripper width: 1,830 mm • Motor power: DC 1,492 KW • Furnace operation temperature: 1,038 ℃ 3. Mill • Mill type: 4 high reversible • Work roll: Φ760/ Φ810 x 1,925 mm • Backup roll: Φ1,600/ Φ1,730 x 1,725 mm • Max. opening: 255 mm (new rolls) • Roll separating force: 36,000 KN maximum • Roll separating torque: 1,793 KN.M • Rolling speed: 763 m/min. • Roll bending force on roll journal: 1,930 KN • Main motor power: 2 x AC 5,224 kW • Main motor speed: 125/300 rpm • Screw down motor power: 2 x DC 224 kW • Hydraulic screw-up AGC system 4. Edger mill • Roll type: calliper type • Work roll size: Φ1194/ Φ1,240 x 500 mm • Main motor power: 2 x DC 750 KW • Main motor speed: 680 - 1,020 rpm 5. Laminar flow cooling device • Cooling rack: 5 groups • Top nozzle head quantity of each rack: 7 pcs • Bottom nozzle head quantity of each rack: 16 pcs • Each top nozzle head flow: 1,534 L/min • Each bottom nozzle head flow: 715 L/min 6. Ground coiler • Type: hydraulic 3 wrapper roll type • Mandrel segment: 4 pcs • Mandrel dimension: Φ725/ Φ762 x 1,725 • Mandrel motor power: 2 x DC 746 kW The water system consists of a clean circulating water system, a dirty circulating water system, and a laminar cooling system. The production line control system adopts TIPPINS process control system. The local area network composed of process automation controller, operation station, secondary computer and network database server can achieve smooth rolling mill startup, maximum system reliability and maintainability. Grinder: HERKULES450 work roll grinder and HERKULES600 backup roll Grinder. Total mechanical equipment weight: 6,590 tons.