A Model of Heat Exchange in the Startup Period of an Electrolyzer Aimed at the Optimization of Voltage Reduction


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A global trend in the development of the aluminum industry is connected with the attempts undertaken by all leading companies to find efficient measures for increasing the service life of electrolyzers. This is explained by the fact that overhauls prove to be one of the most costly stages in the process of production of aluminum. This is why the development and subsequent implementation of scientific and methodological approaches to the optimization of the startup period is one of the most promising directions directly affecting the duration of the service life of aluminum electrolyzers. We propose a simplified model of heat exchange used to choose the optimal voltage of an electrolyzer in the startup period of operation, when the scull has not been formed yet as an additional heat-insulating layer. This model is based on the ordinary differential equations and the representation of an electrolyzer in the form of a collection of heat-conducting multilayer elements and a heating melt. We present the numerical analyses of the dynamic responses of temperature of the melt and the layers of lining to the control action by voltage.

作者简介

A. Makeev

Siberian Federal University FGOU VO

编辑信件的主要联系方式.
Email: grasser@mail.ru
俄罗斯联邦, Krasnoyarsk

V. Belolipetski

Institute of Numerical Modeling, Siberian Branch, Russian Academy of Sciences

Email: grasser@mail.ru
俄罗斯联邦, Krasnoyarsk

T. Piskazhova

Siberian Federal University FGOU VO

Email: grasser@mail.ru
俄罗斯联邦, Krasnoyarsk

A. Portyankin

Siberian Federal University FGOU VO

Email: grasser@mail.ru
俄罗斯联邦, Krasnoyarsk

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