Study of Chemical and Technological Bases for Preparing Aluminosilicate Refractories Based on Fly Ash
Tkach E.V. Nurbaturov K.A.
May 2021Springer
Refractories and Industrial Ceramics
2021#62Issue 145 - 50 pp.
The possibility of using fly ash from thermal power plants to prepare fused mullite powder with subsequent use as a filler for aluminosilicate refractories is investigated. Introduction of orthophosphoric acid as a binder to a raw material charge provides a reduction in firing temperature of fireclay refractories by 150 – 200°C, which is an important factor in the contemporary organization of production using energy-saving technology. The products obtained in accordance with the requirements of GOST 390–2018 correspond to fireclay products of the ShV grade and are recommended for use in lining heating units.
aluminosilicate refractory , anorthite-mullite pseudobinary system , crystallization capacity , energy-saving technology
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Moscow State Building University, Moscow, Russian Federation
TOO INNOBILD, Almaty, Kazakhstan
Moscow State Building University
TOO INNOBILD
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