Anti Seepage High Alumina Brick

Refractory materials for aluminum melting furnaces Impermeable high-alumina bricks

The impermeability performance has no direct relationship with the bulk density of the brick. The key is to look at the content of metal oxides such as Fe3O2 (the so-called impermeability bricks generally refer to clay bricks and high-alumina bricks with Fe3O2 content less than 1%)

Refractory materials used for building aluminum smelting industrial furnaces. The aluminum smelting process mainly produces alumina, which is then electrolyzed into metallic aluminum and smelted, dehydrogenated and purified, and finally cast into aluminum ingots. There are many types of kilns used for aluminum smelting. The furnaces have low operating temperatures and good use conditions. Generally, clay bricks and high-alumina bricks are used as linings to meet production requirements and have a long service life.

Refractory materials for aluminum smelting Aluminum smelting furnaces mainly include reverberatory furnaces, rotary furnaces and induction furnaces, etc. The operating temperature is generally 700-1000℃. The damage to the lining of this type of furnace is mainly caused by the penetration and scouring of aluminum liquid. The lining is generally built with clay bricks, high-alumina bricks and corundum mullite bricks. It can also be made of high-alumina refractory castables and refractory plastics. Due to good use conditions, the furnace life is longer.