Hot dip galvanizing (aluminum) line is a set continuous hot dip galvanizing (aluminum) equipments which produce zinc and aluminum coating steel coils mainly used for electric industry, construction, agriculture and household appliance and the producing capacity is 250 thousand tons per year. The processes include pre-cleaning of the strip steel, annealing, hot dip galvanizing or aluminum, cooling after coating, leveling, tension leveling, passivating(anti-finger print), coating oil, winding coil, surface inspecting and so on to achieve multi-function, efficient and continuous production. The line is flexible to process many kinds of products in order to meet the demands of market. Can be customized according to the requirements of customers.
Technical parameter
| Baseboard | cold-rolled carbon structural steel, quality cold-rolled carbon structural steel and low alloy steel |
| Width of steel strip | 600-1500mm |
| Thickness of steel strip | 0.15-3.5mm |
| External diameter of steel coil | φ800-2000mm |
| Process speed | 80-200m/min |
| Energy | electricity, gas, liquefied petroleum gas, gas, steam, compressed air and so on |
| State of cladding | ordinary spangle, small spangle, no spangle, finishing spangle |
| Thickness of cladding | 50-300g/m2 (double sides) |
| Process after cladding | finishing, straightening, fingerprint resistant coating / passivating, oiling |
Equipment of the line:
The equipment of the line include the entrance with two uncoilers, transverse shear in entrance, welding machine,entry loop, cleaning section, oven section, zinc pot, air knife system, cooling zone, leveler, withdrawal and straightening machine, passivating machine, exit loop, checking, oiling machine, transverse shear in exit, the exit with two tension recoiling machines, steel coil transporting system, bander, weighing machine.
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