title: ÐÑÑÐ¸ ÑÐ½Ð¸Ð¶ÐµÐ½Ð¸Ñ ÑÐ°ÑÑÐ¾ÑÑ Ð¸ Ð´Ð»Ð¸ÑÐµÐ»ÑÐ½Ð¾ÑÑÐ¸ Ð¾ÑÐºÐ»Ð¾Ð½ÐµÐ½Ð¸Ð¹ Ð¾Ñ Ð½Ð¾ÑÐ¼Ð°Ð»ÑÐ½Ð¾Ð³Ð¾ ÑÐµÑ Ð½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾ ÑÐµÐ¶Ð¸Ð¼Ð° ÑÐ»ÐµÐºÑÑÐ¾Ð»Ð¸Ð·ÑÑÐ¾Ð² 1-Ð¾Ð¹ ÑÐµÑÐ¸Ð¸ ÐÐÐÐ°
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Ways to reduce the frequency and duration of deviations from the normal technological regime of electrolyzers of the 1st kaza series
Creators: name: Ð¢ÑÑÑÑÐ¾Ð², ÐÐ¸ÑÐ¸Ð»Ð»
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2023
Subjects: ÑÐ»ÐµÐºÑÑÐ¾Ð»Ð¸Ð· Ð°Ð»ÑÐ¼Ð¸Ð½Ð¸Ñ
Ð½Ð°ÑÑÑÐµÐ½Ð¸Ñ Ð¿ÑÐ¸ ÑÐ»ÐµÐºÑÑÐ¾Ð»Ð¸Ð·Ðµ
ÑÐ°ÑÑÐ¾ÑÐ° Ð°Ð½Ð¾Ð´Ð½ÑÑ ÑÑÑÐµÐºÑÐ¾Ð²
Ð¿ÑÐ¾ÑÑÐ²Ñ ÑÐ°ÑÐ¿Ð»Ð°Ð²Ð°
ÐºÑÐ¸Ð¾Ð»Ð¸ÑÐ¾Ð²Ð¾Ðµ Ð¾ÑÐ½Ð¾ÑÐµÐ½Ð¸Ðµ
aluminum electrolysis
electrolysis disorders
frequency of anode effects
melt breakthroughs
cryolite ratio

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description: The theme of the final qualification work: "Ways to reduce the frequency and duration of deviations from the normal technological regime of electrolyzers of the 1st series of KAZ". Based on the analysis of industrial data of the Kandalaksha aluminum plant for 2006-2021, the dependences of the number of breakthroughs and the frequency of anode effects on various production factors were revealed. It has been established that the number of breaks in the side lining on electrolyzers with a lateral current supply KAZ increases with an increase in the cryolite ratio, an increase in the height of the metal layer, and also with the value of the product of the square of the current strength and the heating voltage. No effect of the height of the electrolyte layer on the frequency of breakthroughs was found. It has been established that the frequency of anode effects on electrolyzers with a lateral current supply of the Kandalaksha aluminum plant decreases with an increase in the cryolite ratio, an increase in the height of the metal layer, and a decrease in the height of the electrolyte layer. It is recommended to change to a higher cryolite ratio in order to increase the TEC of the electrolysis. It is also recommended to measure the heat balance of the KAZ electrolyzers in order to optimize the thermal regime and prevent the operation of the electrolyzers without a protective side ledge. The work was carried out on the basis of the Kandalaksha aluminum plant.