Abstract
The article presents the results related to the processes of liquid phosphate binder synthesizing based on nanotechnogenic raw materials. Such raw materials include alumina-containing sludge from non-ferrous metallurgy. It is established that with the use of alumina alkali sludge and phosphoric acid, it is possible to obtain mono- and disubstituted aluminophosphate binders, and on the basis of alumina-calcium sludge it is possible to obtain alumina-calcium phosphate binders. Particular attention is paid to rational technologies for the use of liquid aluminophosphate and aluminocalcium phosphate binders in the processes of obtaining protective impregnating coating compositions of chamotte linings and structural- chemical modification of piece refractories. The results obtained make it possible to predict an increase in the resistance and durability of widespread chamotte linings of industrial furnaces and other thermal units.
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