Title:
【発明の名称】アルミナ電解浴へのアルミナ供給速度及び浴中のアルミナ含有量を制御する方法及び装置
Document Type and Number:
Japanese Patent JPS6037197
Kind Code:
B2
Abstract:
A process and apparatus for controlling the rate of introduction and the content of alumina to a tank for the production of aluminium by the electrolysis of dissolved alumina in a cryolite-base bath, the upper part of which forms a solidified crust, and wherein the alumina content is maintained within a narrow range, of between 1% and 3.5%, wherein the alumina is introduced directly into the molten cryolite bath by way of at least one opening which is kept open in the solidified crust and the rate at which the alumina is introduced is modulated relative to variations in the internal resistance of the tank during predetermined periods of time, with alternation of the cycles of introducing alumina at a slower rate and at a faster rate than the rate corresponding to normal consumption within the tank.
Inventors:
HOORU BONII
JAN RUI GERUFUAGUNON
PIEERU HOMUSHI
MOORISU KEINBORUGU
JERAARU RABURU
BERUNAARU RANGON
JAN RUI GERUFUAGUNON
PIEERU HOMUSHI
MOORISU KEINBORUGU
JERAARU RABURU
BERUNAARU RANGON
Application Number:
JP11500481A
Publication Date:
August 24, 1985
Filing Date:
July 22, 1981
Export Citation:
Assignee:
ARUMINIUMU PUSHINEI
International Classes:
C25C3/14; C25C3/06; C25C3/20; (IPC1-7): C25C3/20
Attorney, Agent or Firm:
Asamura Akira
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