Title:
DEVICE FOR STIRRING MOLTEN METAL
Document Type and Number:
WIPO Patent Application WO/2010/095360
Kind Code:
A1
Abstract:
Provided is a device for stirring a molten metal whereby bubbles formed by blowing a gas can be miniaturized and uniformized.
A device (1) for stirring a molten metal equipped with a stirring blade (2) which is attached to the front end of a tubular shaft (3) and in which grooves (22) for the passage of a blown gas are formed radially on the bottom face (2a) thereof, characterized in that the ratio of the projected bottom area of the grooves (22) to the projected bottom area of the stirring blade (2) is adjusted to 0.20 to 0.60.
The stirring blade (2) can be shaped into a disc form and the ratio of the radius of the disc to the length of the grooves (22) can be adjusted to 0.5 to 0.9.
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Inventors:
NAGATOME, Tomoo (3-1, Asamuta-cho, Omuta-sh, Fukuoka 17, 〒8360817, JP)
永留朝郎 (〒17 福岡県大牟田市浅牟田町３－１三井金属鉱業株式会社セラミックス事業部内 Fukuoka, 〒8360817, JP)
UCHIDA, Tomio (3-1, Asamuta-cho, Omuta-sh, Fukuoka 17, 〒8360817, JP)
内田富大 (〒17 福岡県大牟田市浅牟田町３－１三井金属鉱業株式会社セラミックス事業部内 Fukuoka, 〒8360817, JP)
永留朝郎 (〒17 福岡県大牟田市浅牟田町３－１三井金属鉱業株式会社セラミックス事業部内 Fukuoka, 〒8360817, JP)
UCHIDA, Tomio (3-1, Asamuta-cho, Omuta-sh, Fukuoka 17, 〒8360817, JP)
内田富大 (〒17 福岡県大牟田市浅牟田町３－１三井金属鉱業株式会社セラミックス事業部内 Fukuoka, 〒8360817, JP)
Application Number:
JP2010/000388
Publication Date:
August 26, 2010
Filing Date:
January 25, 2010
Export Citation:
Assignee:
MITSUI MINING & SMELTING CO.,LTD. (11-1, Osaki 1-chome Shinagawa-k, Tokyo 84, 〒1418584, JP)
三井金属鉱業株式会社 (〒84 東京都品川区大崎１丁目１１－１ Tokyo, 〒1418584, JP)
NAGATOME, Tomoo (3-1, Asamuta-cho, Omuta-sh, Fukuoka 17, 〒8360817, JP)
永留朝郎 (〒17 福岡県大牟田市浅牟田町３－１三井金属鉱業株式会社セラミックス事業部内 Fukuoka, 〒8360817, JP)
UCHIDA, Tomio (3-1, Asamuta-cho, Omuta-sh, Fukuoka 17, 〒8360817, JP)
三井金属鉱業株式会社 (〒84 東京都品川区大崎１丁目１１－１ Tokyo, 〒1418584, JP)
NAGATOME, Tomoo (3-1, Asamuta-cho, Omuta-sh, Fukuoka 17, 〒8360817, JP)
永留朝郎 (〒17 福岡県大牟田市浅牟田町３－１三井金属鉱業株式会社セラミックス事業部内 Fukuoka, 〒8360817, JP)
UCHIDA, Tomio (3-1, Asamuta-cho, Omuta-sh, Fukuoka 17, 〒8360817, JP)
International Classes:
C22B9/05; B22D1/00; C22B21/06; F27D27/00
Attorney, Agent or Firm:
TAKEUCHI, ICHIZAWA & ASSOCIATES (6F. Akasaka 2-chome Annex, 19-8 Akasaka 2-chome, Minato-k, Tokyo 52, 〒1070052, JP)
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