Abstract

The object of the study is the technology of refractory concrete on a composite sodium-silicate binder for the lining of the sintering zone of rotary cement kilns. The developed composition of the refractory concrete contains chromium ore as the filler, which makes it possible to improve the operating properties of the material. The processes of formation of high-refractory compounds and the formation of a “buffer zone” at the clinker — refractory boundary in the concrete operating in the sintering zone of clinker kilns have been investigated. The physico-technical properties of the refractory concrete and the results of its experimental industrial testing are also given.

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