1. Product Overview This natural gas straight-line environment-friendly hot-dip galvanizing production line features a zinc kettle with internal dimensions of 13m×1.6m×3m, 410-ton zinc capacity, and maximum hourly capacity of 16 tons/hour. The line covers the full process of pre-treatment (degreasing, rinsing, pickling, cleaning, fluxing), galvanizing, cooling, passivation, and exhaust gas treatment. It uses natural gas micro-positive pressure heating and incorporates a