Profiled si3 N4 combined SiC brick for aluminium electrolysis bath side wall
Title：
Profiled si3 N4 combined SiC brick for aluminium electrolysis bath side wall
Application Number：
 200410030783
Application Date：
 2004/04/09
Announcement Date：
 2005/03/09
Pub. Date：
 2007/02/07
Publication Number：
 1590589
Announcement Number：
 1298891
Grant Date：
 2007-2-7
Granted Pub. Date：
 2007-2-7
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 C25C 3/08, F27D 1/06
Applicant(s)：
 Tsinghua Univ.
Inventor(s)：
 Pan Wei, Huang Zhaohui, Qi Longhao
Key Words：
 Profiled, si3 N4, SiC, brick, aluminium electrolysis bath, side wall
Abstract：
 A shaped Si3N4-SiC brick used for side wall of aluminium electrolyzer features that on its non-working surface with larger area there is a right-angle trapezoidal boss for isolating the refractory carbon brick from high-temp air, so elongating its service life.
Claim：
Priority：
PCT：
LegalStatus：

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2008-4-17
  Selected patents owned by Tsinghua University filed in 2005 are loaded.
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