2015
DOI: 10.3103/s1067821215010058
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Optoelectronic method for monitoring the state of the cryolite melt in aluminum electrolyzers

Abstract: Металлургия цветных металлов Известия вузов. Цветная металлургия • № 6 • 2014 ВВЕДЕНИЕ В настоящее время в ходе электролитического производства алюминия некоторые технологические параметры контролируются при помощи переносных приборов или методами рентгенофлуоресцентного анализа после отбора проб электролита из электролизера [1]. После получения результатов проботбора электролита и замера температур осуществляется корректировка дозирования глинозема и фтористых солей через системы автоматического питания глино… Show more

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“…Cryolite is a commonly used flux for industrial aluminum production that destroys the oxide film wrapped on the surface of the AlN by melting alumina [14]-thereby exposing the AlN to the air more and improving the efficiency of the nitrogen removal. In contrast, the properties of sodium carbonate are relatively stable.…”
Section: The Effect Of Cryolite and Sodium Carbonate On The Nitrogen ...mentioning
confidence: 99%
“…Cryolite is a commonly used flux for industrial aluminum production that destroys the oxide film wrapped on the surface of the AlN by melting alumina [14]-thereby exposing the AlN to the air more and improving the efficiency of the nitrogen removal. In contrast, the properties of sodium carbonate are relatively stable.…”
Section: The Effect Of Cryolite and Sodium Carbonate On The Nitrogen ...mentioning
confidence: 99%
“…As examples of the use of tools that implement the optical method of control, one can cite the tasks of assessing the cryolite ratio [2], determining the position of the electrodes of ore-thermal furnaces [3] in the metallurgical industry, assessing the efficiency of flotation [4] at obage fabrics, monitoring of self-oscillations in the process of cutting materials based on the registration of the light field [5] and roughness measurement [6,7] in mechanical engineering. Technical vision systems are also used in studies of the mechanical properties of bulk materials [8,9].…”
Section: Introductionmentioning
confidence: 99%