Click image to view original image
hot-dip galvanizing line
1. Hot-dip galvanizing line specifications
Hot-dip Galvanizing Line is to put the strip coated with zinc. The zinc cating is anti-corrosion and bright in appearance.
2. Technical Parameter for the hot-dip galvanizing line:
Process method American- steel – unio
Material cold rolled carbon structure steel, qualified carbon structure steel and low alloy steel roll
Steel type 08AL,SPCC,SPCD ,SPCE
Layer condition normal spangle, small spangle, skin pass spangle
Layer weight GIGB/T2518-88
Layer thickness range(two side) 50—300 g/m2
Layer control method air knife
Driving control main drive adopt SIEMENS AC complexor frequency control system
Quality standard GI GB/T2518-2004
3. Hot-dip galvanizing line Process parameter:
4. Coil load car I, II→Pay-off reel unit I,II→Entry shear→Welder→Alkali spraying→Alkali brushing→electrolytic degreasing→Hot water brushing→Hot water rinsing→Hot air dryer→Entry loop→Annealing furnace→Furnace snout→Zinc pot(galvanizing /galvalume)→Air knife→Cooling tower→Quenching tank→Hot air dryer→Skin pass mill→Tension leveller→Fingerprint resistant or chromating →Drying frunace→ Cooling→ Exit loop→Electrostatic oiling→Exit shear→tension reel→Exit coil car
