News » Project Status » Hot Commissioning of CGL for 1550mm Cold Strip Accomplished Successfully at Angang, China
Hot Commissioning of CGL for 1550mm Cold Strip Accomplished Successfully at Angang, China
2017-04-28 01:58:46
Hot Commissioning of CGL for 1550mm Cold Strip Accomplished Successfully at Angang, China

Hot commissioning of the continuous hot-dip galvanizing line (CGL) for the 1,550mm cold strip mill has been accomplished successfully at Anyang Iron & Steel Group (Angang), China.

The CGL, delivered by CISDI under an EP contract is designed to produce 350,000t/a of 0.25~2.0mm thick, 800~1,400mm wide galvanized (galvalume) sheets for high-end household appliances. The highest designed speeds of the Line at the entry, process and exit sections are 270m/min., 200m/min. and 270m/min. respectively.

Equipment such as double payoff reels, fully automatic welder, multiple-stage cleaning tanks, vertical annealing furnace of full heating radiant tubes, double zinc pots, air knife with edge control and highly accurate position adjustment, four-roll skin-pass mill, tension levelers with two bending rolls and two leveling rolls, two sets of roller coating systems (passivating solution coating and finger-proof coating), electrostatic oiler, flying shear, double coilers, etc. and technologies integrated and/or developed by CISDI independently such as Shape Control System for CGL, Automatic Thickness Control for Galvanized Coats, Process for Galvanized Sheets with High Surface Quality by CGL, Annealing Furnace Roller Speed Softening Control, Inter-layer Strip Tension Loss Compensation & Control for Vertical Loopers, Precise Material Tracing Technology, Continuous Annealing Furnace Combustion Control Model, etc. have been applied to the Line.

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