High alumina brick is a kind of refractory bricks for high temperature kiln, that is, a kind of alumino-silicate refractory material with alumina content above 48%. It is made of bauxite or other raw materials with high alumina content by molding and calcining. High thermal stability, refractoriness above 1770℃, good slag resistance. Different grades of high alumina bricks, the price is different, the use of high-temperature kiln range is different.

Firing high alumina bricks, the choice of refractory aggregate is bauxite, bauxite, also known as bauxite or bauxite, the main minerals are hydrotalcite (Al₂O₃ - H₂O) and alumina trihydrate (Al₂O₃-3H₂O), divided into raw bauxite, cooked bauxite, can also be divided into rotary kiln bauxite, vertical kiln bauxite, inverted flame kiln bauxite, according to the particles can be It can be divided into aggregate and powder, and cooked bauxite is smelted from raw bauxite in rotary kiln, vertical kiln or inverted flame kiln by high temperature heating. The main component of bauxite is alumina, which is hydrated alumina with impurities, and is a kind of earthy mineral. White or off-white, brownish yellow or light red due to iron, mainly used in the production of high and low-grade refractory materials and aluminum refining.

The production of refractory bricks of high alumina bauxite for clinker bauxite, according to the process is divided into: ordinary bauxite and homogenized material (homogenized material); ordinary bauxite and homogenized material according to the aluminum content are divided into 70, 75, 80, 82, 85, 88, 90 bauxite.

High alumina bricks in the production, according to the requirements of the technical department, procurement of the corresponding high alumina bauxite clinker, different alumina content of high alumina bauxite as high alumina bricks as aggregate, bauxite impurities, the less the production of high alumina bricks, high-temperature performance of the better, but the price of high-grade bauxite expensive, not any high alumina bricks need to be used in high-grade bauxite as refractory aggregate.

High aluminum brick use:

Mainly used for masonry blast furnace, hot blast furnace, electric furnace roof, blast furnace, reflector furnace, rotary kiln lining. In addition, high alumina refractory bricks are also widely used as heat storage type lattice bricks for flat furnaces, plugs for pouring system, water spout bricks and so on.

The standard size of high alumina brick is 230*114*65mm, also known as T-3 refractory brick. We can produce high alumina refractory bricks with various specifications and sizes according to your drawings.

High alumina brick manufacturer Shandong Ruinai, the company is located in Shandong Zouping, the production of clay bricks, mullite insulation brick, high alumina brick, etc., has developed coking, building materials, steel, non-ferrous metals, electric power and other industries with aluminosilicate series, silica series, alkaline series, lightweight heat-insulating bricks series of stereotypes and different materials of the potting compound, self-flowing material, plastic and other unshaped materials.