Optimization of raw mix using technogenic waste to produce cement clinker
ОПТИМИЗАЦИЯ СЫРЬЕВОЙ СМЕСИ С ИСПОЛЬЗОВАНИЕМ ТЕХНОГЕННЫХ ОТХОДОВ ДЛЯ ПРОИЗВОДСТВА ЦЕМЕНТНОГО КЛИНКЕРА
Kolesnikova O. Vasilyeva N. Kolesnikov A. Zolkin A.
2022Publishing house Mining book
Mining Informational and Analytical Bulletin
2022Issue 10-1103 - 115 pp.
This article presents the results of the possible utilization of technogenic raw materials, in particular, technogenic tailings of the Nadezhdinsky Metallurgical Plant, slags of copper production of the mining and metallurgical plant Norilsk Nickel by processing them as secondary mineral raw materials in order to reduce their anthropogenic impact on the environment of the Arctic region. In particular, studies were conducted to optimize the composition of the raw material mix and chemical and mineralogical composition of cement clinker. optimization was carried out using the software package “ROCS”, designed for the calculation and optimization of cement raw mixes depending on the saturation coefficient, with determining the component chemical composition of the raw mix and cement clinker, mineralogical composition of cement clinker, the thermal effect of clinker formation (FEC) and fuel consumption for firing (Gfuel). In the course of the research it was found that: technogenic raw materials in the form of tailings and slags of copper production can be used as secondary mineral raw materials for cement clinker production; depending on the saturation coefficient, it is possible to obtain cement clinker of a certain mineralogical composition, both low — base (belite) and high-base (alite); depending on the mineralogical composition of clinker, optimal compositions of raw mixtures for belite (low-base) cement clinker-limestone are as follows: 72.97%; dump tails-0.71%; slag-26.32%, and for alite (high — base) — limestone-81.71%; dump tailings-3.52%; slag-14.77%.
cement clinker , industrial waste , optimization
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M. Auezov South Kazakhstan University, Shymkent, 160012, Kazakhstan
Saint Petersburg Mining University, Saint-Petersburg, 199106, Russian Federation
Povolzhskiy State University of Telecommunications and Informatics, Samara, 443010, Russian Federation
M. Auezov South Kazakhstan University
Saint Petersburg Mining University
Povolzhskiy State University of Telecommunications and Informatics
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