Title:
Hot-dip galvanized steel sheet cooling system
Document Type and Number:
Japanese Patent JP6304395
Kind Code:
B2
Abstract:
The present invention provides a cooling device for a hot-dip plating device provided on an upper side of a plating thickness control device in a conveyance route of a hot-dip plated steel sheet that is conveyed from a plating bath in a vertically upward direction. The cooling device includes: a main cooling device that vertically sprays a main cooling gas to the hot-dip plated steel sheet; and a preliminary cooling device that is provided in a preliminary cooling section between the main cooling device and the plating thickness control device in the conveyance route, and sprays a preliminary cooling gas to a plurality of gas collision positions which are set along the preliminary cooling section.
Inventors:
Toru Ohashi
Kazuki Machida
Hiroyuki Nakata
Katsuya Kojima
Kohei Hayakawa
Kazuki Machida
Hiroyuki Nakata
Katsuya Kojima
Kohei Hayakawa
Application Number:
JP2016555033A
Publication Date:
April 04, 2018
Filing Date:
October 24, 2014
Export Citation:
Assignee:
Nippon Steel & Sumitomo Metal Corporation
International Classes:
C23C2/02; C23C2/20; C23C2/40
Domestic Patent References:
| JP2008115462A | ||||
| JP2003049257A | ||||
| JP4183844A | ||||
| JP2004059945A |
Attorney, Agent or Firm:
Masatake Shiga
Mitsuo Teramoto
Sumio Tanai
Tomoo Katsumata
Hiroshi Yamaguchi
Mitsuo Teramoto
Sumio Tanai
Tomoo Katsumata
Hiroshi Yamaguchi