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Features of Preparation of Charge with Addition of Carbonate-Containing Waste of Drilling in Production of Ceramic Bricks Based on Loam

Number of journal: 4-2019
Autors:

Dubinetskiy V.V.
Gur'eva V.A.
Butrimova N.V.

DOI: https://doi.org/10.31659/0585-430X-2019-769-4-12-17
УДК: 691.42:665.6

 

AbstractAbout AuthorsReferences
The possibility of obtaining wall ceramics by semi-dry pressing from a two-component charge on the basis of low-quality low-melting alumina-silicate clay raw material – loam with the addition of 30% of the anthropogenic product of carbonate-containing drilling waste in the form of sludge. The results of studies of the effect of the grinding duration of raw materials on the dynamics of change in the granulometric composition of molding masses and the activation of carbonate-containing drilling waste during sintering when firing are presented. It is proved that the grinding duration of the charge components during 120 minutes makes it possible to obtain an optimal specific surface of the press powder of 2300–2400 cm2/g, the grain composition of the molding masses ensures the pressing of the raw product with the highest density and mechanical strength. When firing, the brick is formed with improved structural characteristics in relation to the basic factory product. The introduction of a carbonate-containing additive also reduces the firing temperature compared to the factory mode from 1100 to 1000оC.
V.V. DUBINETSKIY1, graduate student
V.A. GUR'EVA1, Doctor of Sciences (Engineerig) (This email address is being protected from spambots. You need JavaScript enabled to view it.)
N.V. BUTRIMOVA2, Candidate of Sciences (This email address is being protected from spambots. You need JavaScript enabled to view it.)

1 Orenburg State University (13, Avenue Pobedy, Orenburg, 460018, Russian Federation)
2 Buzuluk Humanitarian-Technological Institute (branch) of OSU (35, Rabochaya Street, Buzuluk, Orenburg region, 461040, Russian Federation)

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For citation: Dubinetskiy V.V., Gur'eva V.A., Butrimova N.V. Features of preparation of charge with addition of carbonate-containing waste of drilling in production of ceramic bricks based on loam. Stroitel’nye Materialy [Construction Materials]. 2019. No. 4, pp. 12–17. DOI: https://doi.org/10.31659/0585-430X-2019-769-4-12-17 (In Russian).


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