Continuous Galvanizing line

It can be divided into cold rolled strip continuous galvanizing line and hot rolled strip continuous according to the different raw material.

I Cold Rolled Strip Continuous Galvanizing Line

Raw materialStrip spec: 0.18-1.2(1.5)mm x 600-1550mm
Cold rolled low carbon steel SPCC, SPCD, accords with JIS G 3141Coating typeGI,GA,GFweight：60-300g/m2
Product quality：CQ,DQ,FH, accords with GB/T 2518 or JIS G 3302
Line speedentry section 0-240mpm; process section 0-180mpm; exit 0-240mpm

Capacity100,000 - 300,000 TPY

Energy saving： with heat recovery system from waste gas, SUNNY Patent
Annealing furnace：Radiant tubes heating, vertical or horizontal
Fuel typeNatural Gas, Liquefied Petroleum Gas, Mixed Gas, Coke Oven Gas, and Electricity
Welding machine：Automatic narrow lap seam welder
Degreasing style：Chemical degreasing+ electrolytic degreasing+ three stages water rinsing, vertical or horizontal
Zinc pot typeCeramic induction zinc pot
Air wiperSUNNY Patent
Skin pass mill：Four-High, wet, roll force 4000KN
Stretch leveler：Two bend units, one/two leveling unit
Passivation/anti-fingerprint：roll coating style + solidifying oven
Oiling style：Electrostatic oiling
Electric systemVVVF control system,SIEMENS elements
Automatic instrument：PLC, intelligent auto control system

Typical layout of annual output below 150,000tpy CGL

Typical layout of annual output over 150,000tpy CGL

II Hot Rolled Strip Continuous Galvanizing line
Raw material：1.5-4.0mm x 600-1550 mm,hot rolled low carbon steel coil, with slight oil.
Coating Type：GI, GA, GF; weight: 60-300 g/m²
Product quality：accords with GB/T 2518-2004
Line speed：entry section 0-130mpm; process section 0-100mpm; exit 0-130mpm
Annum output：200,000 ? 400,000 tpy
Energy saving：with heat recovery system from waste gas, SUNNY patent
Annealing furnace：Non-Oxydizing direct fired Furnace (NOF) + Radiant tubes (RTF), horizontal