Title:
TUNDISH
Document Type and Number:
WIPO Patent Application WO/2020/020069
Kind Code:
A1
Abstract:
A tundish, a steel passing hole (43) being provided at a lower portion of an air-curtain weir material body (42); an argon duct (46), an air chamber (45) and an air brick (44) being connected to form an air-curtain generation device, and the air-curtain generation device being mounted at a lower portion of the air-curtain weir material body (42); the air brick (44) being provided in a position associated with the position of the steel passing hole (43), and the length of the air brick being set to be greater than the width of the steel passing hole (43); and an air-curtain weir plate (4) being provided in a tundish container, the air-curtain weir material body (42) crossing the tundish container and dividing the tundish container into a first region and a second region.
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Inventors:
ZHI JIANJUN (CN)
FAN ZHENGJIE (CN)
LIU XUFENG (CN)
GAO HUA (CN)
ZHANG ZHIQIANG (CN)
LIU GUOQIANG (CN)
FAN ZHENGJIE (CN)
LIU XUFENG (CN)
GAO HUA (CN)
ZHANG ZHIQIANG (CN)
LIU GUOQIANG (CN)
Application Number:
PCT/CN2019/096762
Publication Date:
January 30, 2020
Filing Date:
July 19, 2019
Export Citation:
Assignee:
BAOSHAN IRON & STEEL (CN)
International Classes:
B22D41/00; B22D11/118
Foreign References:
| JP2005000957A | 2005-01-06 | |||
| FR2642679A3 | 1990-08-10 | |||
| CN202411396U | 2012-09-05 | |||
| CN201693164U | 2011-01-05 | |||
| CN201186340Y | 2009-01-28 | |||
| CN200820004824U | 2008-03-14 | |||
| CN201186337Y | 2009-01-28 | |||
| CN200820004821U | 2008-03-14 | |||
| CN107350443A | 2017-11-17 | |||
| CN201710576129A | 2017-07-14 |
Other References:
See also references of EP 3827915A4
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
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