Claims
- 1. A system for galvanizing a strip material, comprising:a hot dip galvanizing tank which galvanizes the strip material; a heater that heats the galvanized strip material; a soaking device that soaks the galvanized strip material; a high temperature cooling zone which cools the soaked strip material to a temperature about the temperature at which transition boiling of water occurs by using a high water volume mist sprayer which sprays a high water volume air-water mixture thereon; and a low temperature cooling zone which cools the soaked strip material while suppressing transition boiling, after cooling in said high temperature cooling zone, by using a low water volume mist sprayer which sprays a low water volume air-water mixture thereon, the low water volume mixture having a lower water volume than the high water volume air-water mixture.
- 2. The system of claim 1, wherein said hot dip galvanizing tank contains molten zinc.
Priority Claims (1)
Number |
Date |
Country |
Kind |
9-335235 |
Dec 1997 |
JP |
|
Parent Case Info
This application is a divisional of application Ser. No. 09/205,372, filed on Dec. 4, 1998, now U.S. Pat. No. 6,305,176 the entire contents of which are hereby incorporated by reference.
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