RU96121704A - METHOD FOR MANAGING ALUMINUM ELECTROLYZERS - Google Patents

METHOD FOR MANAGING ALUMINUM ELECTROLYZERS

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Publication number
RU96121704A
RU96121704A RU96121704/02A RU96121704A RU96121704A RU 96121704 A RU96121704 A RU 96121704A RU 96121704/02 A RU96121704/02 A RU 96121704/02A RU 96121704 A RU96121704 A RU 96121704A RU 96121704 A RU96121704 A RU 96121704A
Authority
RU
Russia
Prior art keywords
electrolyte
alumina
concentration
mathematical model
series current
Prior art date
Application number
RU96121704/02A
Other languages
Russian (ru)
Other versions
RU2106435C1 (en
Inventor
Р.Г. Локшин
В.П. Ланкин
Н.А. Калужский
Original Assignee
Акционерное общество открытого типа "Всероссийский алюминиево-магниевый институт"
Filing date
Publication date
Application filed by Акционерное общество открытого типа "Всероссийский алюминиево-магниевый институт" filed Critical Акционерное общество открытого типа "Всероссийский алюминиево-магниевый институт"
Priority to RU96121704/02A priority Critical patent/RU2106435C1/en
Priority claimed from RU96121704/02A external-priority patent/RU2106435C1/en
Application granted granted Critical
Publication of RU2106435C1 publication Critical patent/RU2106435C1/en
Publication of RU96121704A publication Critical patent/RU96121704A/en

Links

Claims (3)

1. Способ управления алюминиевыми электролизерами, включающий периодическую обработку корки электролита, измерение напряжения на электролизере и тока серии, расчет сопротивления электролита в междуполюсном пространстве, его среднего значения и концентрации глинозема в электролите по математической модели, и изменение скорости подачи глинозема в электролизер в зависимости от отклонения расчетного значения концентрации от его заданного значения, отличающийся тем, что математическую модель для расчета концентрации глинозема корректируют в моменты обработки корки электролита, а в промежутках между обработками измеряют температуру электролита и дополнительно корректируют математическую модель по результатам измерения.1. A method for controlling aluminum electrolysis cells, including periodic processing of the electrolyte crust, measuring the voltage across the electrolyzer and series current, calculating the resistance of the electrolyte in the interpolar space, its average value and the concentration of alumina in the electrolyte according to the mathematical model, and the change in the rate of supply of alumina to the electrolyzer depending on deviations of the calculated concentration value from its predetermined value, characterized in that the mathematical model for calculating the alumina concentration is adjusted The electrolyte crust is processed at the moments of treatment, and in the intervals between treatments, the electrolyte temperature is measured and the mathematical model is further adjusted according to the measurement results. 2. Способ по п. 1, отличающийся тем, что момент обработки корки электролита определяют по превышению значения средней скорости изменения сопротивления электролита в междуполюсном пространстве на интервале 3 - 5 мин заданного по технологии значения при отсутствии перемещения анода. 2. The method according to p. 1, characterized in that the moment of treatment of the electrolyte crust is determined by exceeding the average rate of change in the resistance of the electrolyte in the interpolar space at an interval of 3-5 minutes specified by the technology in the absence of anode movement. 3. Способ по пп. 1 и 2, отличающийся тем, что ток серии усредняют и расчет концентрации глинозема производят с периодом 5 - 10 мин с учетом среднего значения тока серии на этом интервале времени. 3. The method according to PP. 1 and 2, characterized in that the series current is averaged and the alumina concentration is calculated with a period of 5-10 minutes, taking into account the average value of the series current in this time interval.
RU96121704/02A 1996-11-06 1996-11-06 Process of control over aluminium electrolyzer RU2106435C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU96121704/02A RU2106435C1 (en) 1996-11-06 1996-11-06 Process of control over aluminium electrolyzer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU96121704/02A RU2106435C1 (en) 1996-11-06 1996-11-06 Process of control over aluminium electrolyzer

Publications (2)

Publication Number Publication Date
RU2106435C1 RU2106435C1 (en) 1998-03-10
RU96121704A true RU96121704A (en) 1998-05-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU96121704/02A RU2106435C1 (en) 1996-11-06 1996-11-06 Process of control over aluminium electrolyzer

Country Status (1)

Country Link
RU (1) RU2106435C1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO311623B1 (en) * 1998-03-23 2001-12-17 Norsk Hydro As Process for controlling aluminum oxide supply to electrolysis cells for aluminum production
FR2821364B1 (en) 2001-02-28 2004-04-09 Pechiney Aluminium METHOD FOR REGULATING AN ELECTROLYSIS CELL
FR2821363B1 (en) 2001-02-28 2003-04-25 Pechiney Aluminium METHOD FOR REGULATING AN ELECTROLYSIS CELL
CN108914162B (en) * 2018-08-07 2020-01-14 北方工业大学 Method and system for controlling feeding amount of aluminum oxide

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