The effect of physical properties of refractory castables in carbon satin rotary kiln is the ability of refractory to resist chemical corrosion. In the formation of the initial layer of rotary kiln skin and when the refractory material is viscous or local high temperature causes the rotary kiln skin to fall off, slag resistance is very important. Porosity and thermal conductivity play an important role in forming the initial layer of the rotary kiln skin. When the rotary kiln skin is partially detached, the refractory material with large porosity and thermal conductivity contributes to the timely filling of the rotary kiln skin. At the same time, however, it is possible to exhibit a great destructive effect, causing the thin layer of the refractory brick to peel off.
In the production process of refractory castables for carbon satin rotary rotary kiln, the physical and chemical changes generally do not reach the equilibrium state at the firing temperature. There are also refractory bricks which are insufficiently fired. Therefore, when subjected to high temperature in the action of the rotary rotary kiln, most of the refractory castable undergo irreversible reburning shrinkage due to the generation of their own liquid phase and the filling of the pores. Therefore, high temperature volume stability must be considered when selecting refractory castable.
The hot surface layered separation is the main form of the rotary kiln firing with the rotary kiln lining subjected to thermal shock damage,if the partial rotary kiln skin is detached at the same time, the service life of the refractory castable will be greatly shortened.
