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Ð Ð°ÑÑ Ð¾Ð´ сырья на Кандалакшском алюминиевом заводе

выпускная квалификационная работа бакалавра

Ð Ð°ÑÑ Ð¾Ð´ сырья на Кандалакшском алюминиевом заводе

Abstract

Цель работы: на основе анализа промышленных данных Кандалакшского алюминиевого завода за 2001-2021 годы выявить закономерности (отсутствие закономерностей) влияния условий проведения промышленного процесса электролиза на расход сырья при производстве металлургического алюминия за вышеуказанный период. Рассмотрены теоретические аспекты электролитического производства алюминия. Изучены методы анализа расхода глинозема и фторсолей в алюминиевой промышленности. Проведена оценка используемого сырья на КАЗ, способа его хранения и транспортировки, методам контроля его качества, учета и контроля расхода. Установлено, что увеличение содержания влаги в глиноземе на 0,1 % масс. увеличивает удельный расход фтористого алюминия примерно на 0,134 кг/т. Увеличение длительности анодного эффекта на одну минуту увеличивает расход фтористого алюминия на 1,768 кг/т. Факторов, существенно влияющих на расход анодной массы в рамках настоящей работы выявлено не было. Предложены мероприятия по снижению расхода сырья в процессе проведения промышленного процесса электролиза при производстве металлургического алюминия на КАЗе.

The purpose of the work: based on the analysis of industrial data of the Kandalaksha aluminum plant for 2001-2021, to identify patterns (lack of patterns) of the influence of the conditions of the industrial electrolysis process on the consumption of raw materials in the production of metallurgical aluminum for the above period. Theoretical aspects of electrolytic aluminum production are considered. Methods of analysis of alumina and fluorosol consumption in the aluminum industry have been studied. The assessment of the raw materials used at KAZ, the method of its storage and transportation, methods of quality control, accounting and flow control was carried out. It was found that an increase in the moisture content in alumina by 0.1% by weight increases the specific consumption of aluminum fluoride by about 0.134 kg/t. An increase in the duration of the anode effect by one minute increases the consumption of aluminum fluoride by 1,768 kg/t. No factors significantly affecting the consumption of the anode mass were identified in the framework of this work. Measures are proposed to reduce the consumption of raw materials during the industrial electrolysis process in the production of metallurgical aluminum on KAZе.

Keywords

производство алюминия, электролиз, fluoride salts, глинозем, анодная масса, anode mass, electrolysis, Ñ€Ð°ÑÑ Ð¾Ð´ сырья, raw material consumption, фтористые соли, aluminum production, alumina

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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