Title:
COOLING DEVICE FOR STEEL SHEET, MANUFACTURING DEVICE FOR HOT-ROLLED STEEL SHEET, AND MANUFACTURING METHOD FOR STEEL SHEET
Document Type and Number:
WIPO Patent Application WO/2011/001849
Kind Code:
A1
Abstract:
In a hot-rolled steel sheet manufacturing line, provided are a cooling device excellent in discharging water, a manufacturing device for a hot-rolled steel sheet, and a manufacturing method for a steel sheet.
The cooling device for a steel sheet is disposed on the downstream process side of the final stand in a hot finish rolling machine line and includes a plurality of cooling nozzles provided so as to be able to cool a steel sheet conveyed on a conveyance roller. The cooling nozzles are provided at positions located on the upper and lower surface sides of a region through which a steel sheet passes and are enabled to eject cooling water toward the region through which the steel sheet passes. The cooling device has a rectifying means provided so as to be able to rectify the discharge of cooling water that is ejected from the cooling nozzles toward a position located outside the width of uniform cooling by the cooling nozzles in the sheet width direction of a steel sheet.
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Inventors:
HOSHO TOMOFUMI (JP)
HARAGUCHI YOICHI (JP)
KOBAYASHI KAZUAKI (JP)
HARAGUCHI YOICHI (JP)
KOBAYASHI KAZUAKI (JP)
Application Number:
PCT/JP2010/060566
Publication Date:
January 06, 2011
Filing Date:
June 22, 2010
Export Citation:
Assignee:
SUMITOMO METAL IND (JP)
HOSHO TOMOFUMI (JP)
HARAGUCHI YOICHI (JP)
KOBAYASHI KAZUAKI (JP)
HOSHO TOMOFUMI (JP)
HARAGUCHI YOICHI (JP)
KOBAYASHI KAZUAKI (JP)
International Classes:
B21B45/02; B21B1/26; B21B39/08; B21B39/14
Domestic Patent References:
| WO2007099676A1 | 2007-09-07 |
Foreign References:
| JPH10216823A | 1998-08-18 | |||
| JPH11708A | 1999-01-06 | |||
| JP4029871B2 | 2008-01-09 | |||
| JP2005206917A | 2005-08-04 | |||
| JPH0570712U | 1993-09-24 | |||
| JPH0938713A | 1997-02-10 | |||
| JP2010064097A | 2010-03-25 |
Attorney, Agent or Firm:
HOSHINO, Tetsuro et al. (JP)
Tetsuro Hoshino (JP)
Tetsuro Hoshino (JP)
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