SOLUTION
Continuous Hot Rolled Galvanized Sheet Production Line (HGI)
Raw material: strip width: 600-1550mm, thickness: 1.5-4.0mm, hot-rolled low carbon steel coil after pickling, no oil or less oil.
Plating type: GI, GA, GF; weight: 60-600g/m2
Product quality: in line with GB/T2518-2008
Unit speed: inlet Max200mpm, process section, Max150mpm, outlet section Max200mpm
Annual output: 200,000-400,000tpy
Energy-saving method: waste heat recovery of exhaust gas, SUNNY patent
Continuous annealing furnace: non-oxidizing heating (NOF) + radiant tube heating (RTF), horizontal or L type
Fuel type: natural gas, liquefied petroleum gas, mixed gas, coke oven gas
Welding equipment: Double rolling lap seam welder
Degreasing form: chemical degreasing + electrolytic degreasing + tertiary water rinsing, horizontal (can be omitted)
Zinc pot type: ceramic induction zinc pot
Air knife: SUNNY patent
Finishing machine: Four-roll wet finishing, large rolling force of 6,000KN
Pull straightening machine: two bends and one straightening
passivation/fingerprint resistance: Cr6+, Cr3+, inorganic passivation, roller coating
Oiling method: Electrostatic oiling
Electrical control system: SIEMENS or ABB AC frequency conversion control system
Industrial automation: SIEMENS or ABB automation control system
The main process flow of the unit:

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黄石山力科技股份有限公司
Sunny Technologies Incorporation Limted

Contact us
Add:No. 2, Guangzhou road, tuanshancheng Development Zone, Huangshi City, No. 101, Gaoxin 6th Road, Donghu New Technology Development Zone, Wuhan
Mail:spt@sunnychina.com.cn
Tel:156 7177 7755 / 027-59715061
Fax:027-59715060