Development and testing of a pilot batch of carbon-containing refractories from waste of «Aktobe ferroalloy plant» JSC with the use of SHS
DOI:
https://doi.org/10.18321/cpc21(4)237-247Keywords:
SHS – self-propagating high-temperature synthesis, refractory materials, metallurgical waste, кек, slag, lining, garnishing, resistance to melts.Abstract
Refractory materials used in metallurgical high-temperature installations are subjected to intense wear during operation under the influence of high temperature, melts, slags, gas phase and temperature fluctuations. In modern metallurgical industries, carbon–containing refractory materials and products are used in the most critical high-temperature units and assemblies – blast furnaces, converters, electrolyzers, electric arc furnaces, in various devices for casting, melting, and transportation of liquid metals. The purpose of this work is to ensure the creation of scientific and practical foundations for the use of intermediates and substandard metallurgical waste for production, manufacture and testing in industrial conditions of JSC AZF. The goal is achieved by applying the method of solid-phase combustion and using the internal energy of exothermic reactions between the components of the refractory mixture. Gorenje As a result, a high temperature is created, which is necessary for the formation of highly refractory and metal-resistant lining components (carbides and oxycarbides of aluminum, chromium and silicon).
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