Investigation of the dependence of the thermal conductivity of refractories on their impregnation with an aggressive medium

Peculiarities of the aggressive layer impregnation of the working layer of the lining of rotary kilns and casting ladles of ferroalloy production are considered, the results of the analysis of the thickness of the impregnation are presented. The change in the thermal conductivity of refractories after service has been investigated on the basis of a method developed and patented. It was found that the thermal conductivity of the refractory materials of the working layer of the lining of industrial furnaces grows (by 5-12 %) due to the impregnation of the refractory with an aggressive medium. Ill. 8. Ref. 5.