Title:
VACUUM DEGASSING TANK AND METHOD FOR DEGASSING USING SAME
Document Type and Number:
WIPO Patent Application WO/2012/147180
Kind Code:
A1
Abstract:
This vacuum degassing tank includes a refractory, in which at least the part that comes into contact with molten slag comprises a carbon-containing magnesia refractory. The carbon-containing magnesia refractory contains 7-28 mass%, excluding 28 mass%, graphite and 3.5-14 mass% Al-Mg alloy, with the remainder comprising magnesia and incidental impurities, wherein the mass ratio calculated by dividing the mass of the Al-Mg alloy by the mass of the graphite is 0.5-2.0.
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Inventors:
YAMAMOTO MASAAKI (JP)
TAKEUCHI HIRONORI (JP)
TAKI NORIO (JP)
TAMURA YOSHIHIRO (JP)
TAKEUCHI TOMOHIDE (JP)
TAKEUCHI HIRONORI (JP)
TAKI NORIO (JP)
TAMURA YOSHIHIRO (JP)
TAKEUCHI TOMOHIDE (JP)
Application Number:
PCT/JP2011/060278
Publication Date:
November 01, 2012
Filing Date:
April 27, 2011
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
YAMAMOTO MASAAKI (JP)
TAKEUCHI HIRONORI (JP)
TAKI NORIO (JP)
TAMURA YOSHIHIRO (JP)
TAKEUCHI TOMOHIDE (JP)
YAMAMOTO MASAAKI (JP)
TAKEUCHI HIRONORI (JP)
TAKI NORIO (JP)
TAMURA YOSHIHIRO (JP)
TAKEUCHI TOMOHIDE (JP)
International Classes:
C04B35/043; C21C7/10; F27D1/00
Foreign References:
JP2007076980A | 2007-03-29 | |||
JPH0839214A | 1996-02-13 | |||
JP2009137768A | 2009-06-25 | |||
JP2000001363A | 2000-01-07 |
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
Masatake Shiga (JP)
Masatake Shiga (JP)
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Claims: