Novel optimized prebaked anode recipe for aluminum electrolysis
A technology of prebaked anodes and aluminum electrolysis, which is applied in the field of improving the production stability of prebaked anodes for aluminum electrolysis, and can solve problems such as electrolyte carbon content, accelerated consumption of prebaked anodes, and weakened electrochemical action, so as to reduce internal defects , Excellent carbon consumption index, small process changes
Active Publication Date: 2018-06-29
INNER MONGOLIA HUOMEI TONGSHUN CARBON
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Abstract
The invention discloses a novel optimized prebaked anode recipe for aluminum electrolysis. Petroleum coke in a raw material is calcinated and broken into four types of granules different in granularity, the purity of all the calcinated petroleum coke granules is controlled, the ratio of the granules different in granularity and the ratio of coal pitch are defined, the production stability of a prebaked anode can be effectively improved, and the quality of the prebaked anode is guaranteed. The invention further provides a preparation method for the prebaked anode for aluminum electrolysis, andthe preparation method is high in operability and practicability. The prebaked anode produced by the prebaked anode optimized recipe completely meets all performance required by YS/T285-2012, and internal defects are obviously reduced. The prebaked anode produced by the prebaked anode optimized recipe has a good use effect in the aluminum electrolysis production process, all indexes reach or exceed the domestic advanced level, particularly the carbon consumption index is excellent, and the novel optimized prebaked anode recipe is small in process change and good in compatibility with the priorart and has quite good prospect.
Technology Topic
Aluminum electrolysisAluminium +5
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PUM
Property | Measurement | Unit |
Granularity | 3.0 ~ 6.0 | mm |
Granularity | 1.0 ~ 3.0 | mm |
Granularity | <= 0.075 | mm |
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