Title:
THICK STEEL PLATE MANUFACTURING DEVICE AND MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2014/156086
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a thick steel plate manufacturing device and manufacturing method in which, by leveling, in a descaling step, scale occurring on the surface of the thick steel plate, cooling is evenly performed in a cooling step, achieving excellent steel plate shape. In this thick steel plate manufacturing device, a hot-rolling device, a shape correction device, a descaling device and an accelerated cooling device are arranged in that order from the upstream side of the conveyance direction, wherein the energy density E of the cooling water sprayed at the surface of the thick steel plate by the descaling device is 0.10J/mm2 or greater.
Inventors:
TAMURA YUTA (JP)
FUKUDA HIROYUKI (JP)
ADACHI KENJI (JP)
FUKUDA HIROYUKI (JP)
ADACHI KENJI (JP)
Application Number:
PCT/JP2014/001615
Publication Date:
October 02, 2014
Filing Date:
March 20, 2014
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
B21B45/08; B21B1/38; B21B45/02
Domestic Patent References:
| WO2010110473A1 | 2010-09-30 |
Foreign References:
| JP2001009520A | 2001-01-16 | |||
| JPH0957327A | 1997-03-04 | |||
| JP3796133B2 | 2006-07-12 | |||
| JP2010247228A | 2010-11-04 |
Other References:
See also references of EP 2979770A4
Attorney, Agent or Firm:
KUMASAKA, Akira et al. (JP)
Akira Kumasaka (JP)
Akira Kumasaka (JP)
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