Steel Strip Hot Dip Galvanizing (Aluminizing) Line -- United States Steel Corp

SteelStrip Hot Dip Galvanizing (Aluminizing) Line -- United States Steel Corp

Hot dip (or hot) galvanizing is thetechnology to dip the pretreated original plate of carbon steel into meltedliquefied zinc to obtain a protective zinc coating.

For good anticorrosion performance, galvanized steelsheet is vastly applied into the industries of home appliance, decoration,advertisement, and civil construction, etc. Particularly, the home applianceindustry (outer shell of air conditioner, outer plate of refrigerator, outershell of washing machine, computer, and microwave oven, etc) and color coatedplate has large demands on galvanized plate.

Hot dip aluminum zinc silicon steel plate - Galvalume(Referred to GL steel plate), is steel plate to hot-dip coat aluminum (Al 55%),zinc (Zn 43.5%), silicon (Si 1.5%) alloy on the surface of the steel plate. Itis a steel matrix composite, has excellent corrosion resistance. Hot aluminumzinc alloy steel plate performs outstanding in atmospheric corrosion resistance,thermal oxidation resistance of the aluminized steel plate and electrochemicalprotection of the galvanized steel plate.

We provide two kinds of technologiesof hot dip galvanizing (aluminizing) lines: "United States Steel Corp"and independently researched and developed “JJRS-Sendzimir” .

Process Flow

Manually loading → entry skid → coil loading trolley I# &II# → pay off reel I# &II# → decoiling pinch roll I# &II# → transverse shearer I# &II# → join pinch roll → welder →pinch roll after welding → tensionbridle roll I# →entry accumulator → CPC single roller centering machine I#,II# & III# → CPC single roller centeringmachine IV# → tension bridle roll II# → pre-degreasing → degreasing → electrolytic degreasing → washing I# → washing II# → washing III# → hot air blowing device → tension bridle roll III# → CPC single roller centering machine V# → CPC double-roller centering machine I# → CPC single roller centering machine VI# → tension bridle roll IV# → tension measuring roller system → annealingfurnace → thermal tension roller → furnace nose → zinc pot → immersion roller → air knife → cooling tower → vertical air cooling device→ high tower turning roller → horizontalair cooling device → high tower turning roller → vertical air cooling device → water-quenchtrough →Squeezer after water-quench → hot air blowing device → CPC double-rollercentering machine II# → steelwire cleaning roller machine → tension bridle roll V# → temper mill →levelingsqueezer →hot air blowing device → tension bridle roll VI# → tension leveler → tension bridle roll VII# → tension bridle roll VIII → passivatingroller coater → passivating dryingfurnace → CPC double-rollercentering machine III# → exit accumulator → CPC double-roller centering machineVI# → tension bridle roll IX# → electrostatic oiler → pinch shearer → exit pinch roll I# &II# → recoiler I# &II# (EPC) → coil unloading trolley I# &II# → auxiliary recoiler I# &II# → exit skid → manually unloading

Technical Parameters