Title:
COOLING DEVICE FOR HOT ROLLED STEEL SHEET
Document Type and Number:
WIPO Patent Application WO/2010/114083
Kind Code:
A1
Abstract:
A cooling device for a hot rolled steel sheet, wherein slow cooling headers (2), which are provided with bar-like cooling water nozzles (3) for slow cooling, and quick cooling headers (4), which are provided with bar-like cooling nozzles (5) for quick cooling, are constructed in a single cooling unit (9) which is provided with ascending/descending units (7) which can ascend and descend together with one another. In cooling the upper surface of a hot rolled steel sheet (such as hot rolled steel band or thick steel sheet), the cooling device can uniformly and stably cool the upper surface while simultaneously maintaining high cooling speed and low cooling speed.
Inventors:
UEOKA SATOSHI (JP)
SUGIHARA HIROKAZU (JP)
KUROKI TAKASHI (JP)
NISHIURA NOBUO (JP)
SUGIYAMA TSUTOMU (JP)
SUGIHARA HIROKAZU (JP)
KUROKI TAKASHI (JP)
NISHIURA NOBUO (JP)
SUGIYAMA TSUTOMU (JP)
Application Number:
PCT/JP2010/055991
Publication Date:
October 07, 2010
Filing Date:
March 25, 2010
Export Citation:
Assignee:
JFE STEEL CORP (JP)
UEOKA SATOSHI (JP)
SUGIHARA HIROKAZU (JP)
KUROKI TAKASHI (JP)
NISHIURA NOBUO (JP)
SUGIYAMA TSUTOMU (JP)
UEOKA SATOSHI (JP)
SUGIHARA HIROKAZU (JP)
KUROKI TAKASHI (JP)
NISHIURA NOBUO (JP)
SUGIYAMA TSUTOMU (JP)
International Classes:
B21B45/02
Foreign References:
| JPH0570709U | 1993-09-24 | |||
| JPS617015A | 1986-01-13 | |||
| JP2004066308A | 2004-03-04 | |||
| JP2008168316A | 2008-07-24 | |||
| JP2008212943A | 2008-09-18 | |||
| JP2008073765A | 2008-04-03 | |||
| JP2008073766A | 2008-04-03 | |||
| JPH10263669A | 1998-10-06 | |||
| JP2002239623A | 2002-08-27 | |||
| JPS62260022A | 1987-11-12 |
Other References:
See also references of EP 2415536A4
Attorney, Agent or Firm:
OCHIAI, Kenichiro (JP)
Ken-ichiro Ochiai (JP)
Ken-ichiro Ochiai (JP)
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