Study of refractory raw materials of the Republic of Kazakhstan
Sidorina Y.A. Isagulov A.Z. Rabatuly M. Nogaeva K.A.
2023Institute of Metallurgy and Ore Beneficiation JSC
Kompleksnoe Ispolzovanie Mineralnogo Syra
2023#325Issue 222 - 28 pp.
Important aspects of increasing the competitiveness of domestic metallurgy and mechanical engineering are increasing the durability of thermal units and involving non-traditional, cheaper energy resources in production. One of these resources is carbon waste from the aluminum industry-electrode scrap and waste from the carbon lining of electrolyzers. The problem with their use as substitutes for solid fuels (coke coal) in the metallurgical, engineering, and energy industries is fluorine-and alkali-containing salts that impregnate them, destroying the traditional lining of thermal units. The development of effective refractories resistant to fluorine-and alkali-containing corrodents (melts and gases) makes it possible to increase the competitiveness and efficiency of thermal units both through the use of cheaper energy carriers and by increasing the duration of their campaign. An important aspect is the simultaneous disposal of hazardous industrial waste and the reduction of the environmental burden on the ecosphere of the Republic of Kazakhstan. The basis for the development of new refractory materials resistant to fluorine-and alkali-containing corrodents is the analysis of the existing raw material base of the Republic of Kazakhstan and the choice of materials that make it possible to obtain aluminosilicate refractories with increased chemical resistance. In the work, the phase and chemical composition of refractory clays and kaolins of the Republic of Kazakhstan were studied, and their rheological and thermophysical properties were investigated. Selected raw materials for the development of technology for the production of dense aluminosilicate refractory products.
aluminosilicate refractories , chamotte , kaolins , open porosity , plasticity , refractory clays , sintering , water absorption
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Department of NTM, Karaganda Technical University named after Abylkas Saginov, Ave. Nursultan Nazarbayev, 56, Karaganda, 100027, Kazakhstan
Kyrgyz State University of Geology, Mining, and Development of Natural Resources Named after Academician Usengazy Hassanali, Chui Ave., 215, Bishkek, 720001, Kyrgyzstan
Department of NTM
Kyrgyz State University of Geology
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