| 摘要 |
The present invention relates to a ventilating device for cooling a section steel which is capable of reducing waiting time for cooling a section steel by cooling a section steel, which is waited for entering a finishing mill from a rough mill, to a target temperature in a control rolling process. The present invention provides a ventilating device for cooling a section steel comprising: a spray frame arranged between a rough mill and a finishing mill, and arranged around a section steel transferred by a roller table; a spray nozzle equipped in the spray frame for spraying gas to a surface of a section steel; a gas spray part including a gas supplying means for pressing and transferring gas to the spray nozzle; and a control part for controlling the gas spray part. |
