| 摘要 |
A manufacturing equipment for galvanized steel sheet includes coating tub to coat steel sheet dipped in coating bath wherein the bath including molten zinc and Al is stored at bath temperature T1, separating tub to separate by a flotation top-dross by precipitating the top-dross in the bath wherein the bath transferred from the coating tub is stored at bath temperature T2 lower than T1, adjusting tub to dissolve dross wherein the bath transferred from the separating tub is stored at bath temperature T3 higher than T2 and Fe of the bath is unsaturated, and circulator to circulate the bath in order of the coating tub, the separating tub, and the adjusting tub. |
