Title:
TUNDISH FOR CONTINUOUS CASTING, STEEL CONTINUOUS CASTING METHOD, AND GAS SUPPLY DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/053291
Kind Code:
A1
Abstract:
Provided is a tundish for continuous casting that is capable of improving the cleanliness of molten steel. This tundish for continuous casting includes an accommodating portion for storing supplied molten steel. The accommodating portion includes: one or a plurality of molten steel outflow ports allowing the molten steel to flow out; and a gas supply portion which is disposed further upstream, in the direction of flow of the molten steel, than the one or plurality of molten steel outflow ports, and which supplies an inert gas into a space surrounded by the accommodating portion. The gas supply portion comprises: a porous portion which is formed in the shape of a box having a bottom portion and a wall portion, and which has a plurality of pores formed over the entirety thereof; a supporting portion which supports the porous portion and which is provided in the wall portion of the gas supply portion; and piping which is provided in the wall portion of the gas supply portion between the supporting portion and the bottom portion of the gas supply portion, and which ejects the inert gas.
Inventors:
FURUMAI KOHEI (JP)
ARAMAKI NORICHIKA (JP)
ARAMAKI NORICHIKA (JP)
Application Number:
PCT/JP2023/028183
Publication Date:
March 14, 2024
Filing Date:
August 01, 2023
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
B22D11/10; B22D11/11
Domestic Patent References:
| WO2013190799A1 | 2013-12-27 |
Foreign References:
| US20210053111A1 | 2021-02-25 | |||
| JP2014124661A | 2014-07-07 | |||
| CN203109191U | 2013-08-07 | |||
| CN113564309A | 2021-10-29 |
Attorney, Agent or Firm:
KUMASAKA Akira et al. (JP)
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