Cathode Boss Structure for Aluminum Electrolytic Cell
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United States of America Patent
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Issued Date -
Oct 24, 2013
app pub date -
Jan 7, 2011
filing date -
Jan 7, 2010
priority date (Note) -
Abandoned
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Abstract
A cathode boss structure for an aluminum electrolytic cell is disclosed. The cathode boss is arranged on the top surface of the cathode carbon block or on the top of the gap between two cathode carbon blocks. The distance between cathode bosses is 400 mm-900 mm. The length of the throughout elongate cathode boss is 100-250 mm longer than that of cathode carbon block, and two ends thereof are directly embedded into the paste around lateral portion. The length of the embedded and butted cathode boss is in a range of 3000-3200 mm, two ends thereof are fixed by binding carbon blocks respectively, and the binding carbon blocks are embedded into the paste around lateral portion. The cross-section of the cathode boss structure is in the shape of rectangle or isosceles trapezoid. The cathode boss structure is applicable to all types of current electrolytic cells. The strip boss is implanted into the top surface of the cathode of the electrolytic cell conveniently and quickly when the lateral portion of the common electrolytic cell is rammed, thereby forming a “choking effect”, reducing the flow rate of the aluminum liquid layer, decreasing energy dissipation from the aluminum liquid layer, therefore improving the production stability of the electrolytic cell and reducing energy consumption.
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