Title:
METHOD AND APPARATUS FOR COOLING HOT-ROLLED STEEL SHEET
Document Type and Number:
WIPO Patent Application WO/2018/073973
Kind Code:
A1
Abstract:
In the present invention, the region occupied by a hot-rolled steel sheet on a conveyance roller being designated as a steel sheet conveyance region, a pair of spray nozzles are disposed on both sides in the width direction of the steel sheet conveyance region, a plurality of pairs of the spray nozzles are disposed so as to be arranged in the conveyance direction of the hot-rolled steel sheet, and cooling water is sprayed in the width direction of the steel sheet conveyance region from the spray nozzles to the steel sheet conveyance region to cool the hot-rolled steel sheet. In impingement regions of the steel sheet conveyance region impinged upon by the cooling water sprayed from the spray nozzles, the distal ends thereof in the spray direction are positioned at the ends of the steel sheet conveyance region and the proximal ends thereof are positioned inside the steel sheet conveyance region. In the spray nozzle pairs, the proximal ends of the two impingement regions thereof coincide in the width direction and form meeting parts.
Inventors:
HAYASHI SATORU (JP)
SERIZAWA YOSHIHIRO (JP)
SERIZAWA YOSHIHIRO (JP)
Application Number:
PCT/JP2016/081947
Publication Date:
April 26, 2018
Filing Date:
October 27, 2016
Export Citation:
Assignee:
NIPPON STEEL & SUMITOMO METAL CORP (JP)
International Classes:
B21B45/02
Domestic Patent References:
| WO2016006402A1 | 2016-01-14 |
Foreign References:
| JP2011051002A | 2011-03-17 | |||
| JPS57106752U | 1982-07-01 | |||
| JP2016193446A | 2016-11-17 |
Other References:
See also references of EP 3363552A4
Attorney, Agent or Firm:
KANEMOTO, Tetsuo et al. (JP)
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