KnE Materials Science

ISSN: 2519-1438

The latest conference proceedings on physical materials, energy materials, electrical materials.

The Use of Reftinskaya State District Power Plant Fly Ash in the Production of Building Materials and Products

Published date: Dec 31 2020

Journal Title: KnE Materials Science

Issue title: IV Congress “Fundamental Research and Applied Developing of Recycling and Utilization Processes of Technogenic Formations” Volume 2020

Pages: 133–142

DOI: 10.18502/kms.v6i1.8058

Authors:

Fedor Kapustin - f.l.kapustin@urfu.ru

Vladislav Ufimtsev

Andrey Vishnevsky

Irina Fomina

Alexey Kapustin

Kirill Zemlyanoy

Abstract:

The system of dry ash–slag removal at the Reftinskaya state district power plant which provides capture, storage and shipment of fly ash to the consumers is considered in this study. The results of determination of chemical and phase composition, physical properties, melting temperature and activity of natural radionuclides of ash which is form during burning of stone coal of Ekibastuz basin are presented. Ash is acidic, superfine and refractory one with a low content of combustible substance. As to composition and properties it satisfies the requirements of Russian Standard no. 25818 and ships to consumers under Technical Conditions 5717–004–79935691–2009. The results of laboratory tests and industrial production of building materials and products on the basis of ash of Reftinskaya state district power plant are presented. It is shown that ash is used in the production of Portland cement, heavy and cellular autoclave concrete, dry mixes and can also be used as part of fly ash non-fired and agloporite gravel, ceramic bricks. The features of their production, basic physical and mechanical properties of building materials and products are described. It is shown that the introduction of a new system of dry ash removal at the state district power plant contributes to the expansion of directions and increase in the volume of ash recycling.

Keywords: Reftinskaya state district power plant, dry ash removal, fly ash, composition, properties, use, construction materials and products

References:

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[2] Russian Standard no. 25818−2017. (2017). Thermal plant fly–ashes for concretes. Specifications. Moscow: Standartinform.

[3] Technical specifications 5717–004–79935691−2009. (2009). Fly ash of Reftinskaya state district power plant. Ekaterinburg: Reftinskaya SDPP, Branch of JSC “Enel OGK–5”.

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[13] Kapustin, F. L. and Fomina, I. V. (2013). Production and Use of Non–Fired Fly Ash Gravel in Constructional Concretes. Advanced materials, issue 10, pp. 76–78.

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[15] Russian Standard no. 530−2012. (2012). Ceramic brick and stone. General specifications. Moscow: Standartinform.

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