Low polar distance energy-saving production method for aluminum electrolysis bath
A production method and aluminum electrolytic cell technology, which is applied in the field of electrolytic aluminum production technology, can solve the problems of inability to maintain stable operation and high DC power consumption per ton of aluminum, and achieve the effects of strengthening fine management, reducing energy consumption, and reducing superheat
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[0015] Embodiment: An energy-saving production method with low pole distance for an aluminum electrolytic cell, including a conventional production method, the process parameters adopted are as follows:
[0016] A. Voltage adjustment: Adjust the set voltage of the electrolyzer from 4.2v to 4.1V within 14 days in the first two weeks; adjust the set voltage of the electrolyzer from 4.1v to 4.05V in the third week; adjust the set voltage of the electrolyzer in the fourth week Adjust from 4.05v to 4.0V; adjust the set voltage of the electrolyzer from 4.0v to 3.99V in the fifth week; carry out specific treatment for individual unsuitable electrolyzers.
[0017] B. Two-level adjustment: add cryolite or electrolyte blocks to increase the height of the electrolyte by 1-2cm, which can stabilize the temperature and composition of the electrolyte. Then adjust the aluminum level in two cycles, gradually increase the aluminum level by an average of about 1-2cm in 3-5 weeks, gradually incre...
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