Title:
ALUMINUM REFINING APPARATUS AND ALUMINUM REFINING METHOD
Document Type and Number:
WIPO Patent Application WO/2013/168213
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing an aluminum refining apparatus that enables a reduction in refining time and an increase in yield. This aluminum refining apparatus (1) is provided with: a vessel (10) with a bottom (10) that accommodates molten raw aluminum; a heating means (20) for heating the vessel (10); a cooling means (30) for cooling part of the vessel (10); and a primary crystal detaching means (40) for detaching primary crystal particles (PAl) that have crystallized on the inner surface of the vessel (10). The aluminum refining apparatus (1) is characterized in that: the cooling means (30) has a gas flow passage (3a) through which a cooling gas flows; the gas flow passage (3a) is formed on the inside of an annular flow path part (31) attached to the outer surface of the vessel (10); and the annular flow path part (31) has at least one direct cooling opening (3b) that faces the outer surface of the vessel (10).
Inventors:
KANAMORI TERUMI (JP)
OKITSU TAKESHI (JP)
HAYASHI MASAAKI (JP)
OKITSU TAKESHI (JP)
HAYASHI MASAAKI (JP)
Application Number:
PCT/JP2012/061666
Publication Date:
November 14, 2013
Filing Date:
May 07, 2012
Export Citation:
Assignee:
NIPPON LIGHT METAL CO (JP)
KANAMORI TERUMI (JP)
OKITSU TAKESHI (JP)
HAYASHI MASAAKI (JP)
KANAMORI TERUMI (JP)
OKITSU TAKESHI (JP)
HAYASHI MASAAKI (JP)
International Classes:
C22B21/06; C22B9/02
Foreign References:
| JP2002155322A | 2002-05-31 | |||
| JP2004131784A | 2004-04-30 | |||
| JPS59170227A | 1984-09-26 | |||
| JPS61142855U | 1986-09-03 | |||
| JPH09272960A | 1997-10-21 |
Attorney, Agent or Firm:
ISONO Michizo (JP)
Michizo Isono (JP)
Michizo Isono (JP)
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