Corundum brick is widely used in petrochemical and chemical fertilizer industry, the cracking conversion furnace, metallurgical industry and other high temperature furnace lining, and kiln furniture.
Silica is a silica as raw material, using lime, iron and phosphorus, pulp waste liquid as binder and mineralizing agent, acid refractory material sintering at high temperature.
When manufacturing a variety of clinker clay brick products, the content of Al2O3 is 25~30%, good plasticity clay; when the production of ordinary cement products, the Al2O3 content is 30~35%, poor plasticity clay.
Blast furnace with important impurity compounds clay brick in iron, titanium compound. From the combined air reheating resolutely brick white actually can surmise, firing air and iron, titanium compounds are those conditions.
Poor thermal stability of magnesia brick: magnesia brick can only take water-2-3. Expanded the most magnesia bricks in refractory, low coefficient of linear expansion.
The first step: the first brick of clay soil. Brick with soil from soil surface under two feet deep, the soil color slightly deeper than the surface soil, it formed about eighty thousand to one hundred and twenty thousand years ago.