Bauxite is a refractory material made from bauxite ore through high-temperature calcination.
Its main component is aluminum oxide, which usually contains a certain proportion of impurities such as iron oxide and titanium dioxide. It is widely used in the production of refractory materials.
According to the different firing methods, it can be divided into: vertical kiln bauxite clinker and rotary kiln bauxite clinker
(1) High mechanical strength, wear resistance, strong compression and bending resistance;
(2) Excellent chemical stability and good corrosion resistance;
(3) Good thermal stability and excellent high temperature resistance;
(4) High wear resistance
(1) Refractory products: can be used to prepare refractory bricks, castables, lightweight refractory materials, bonded clay bricks, etc.
(2) Steel industry: Inner walls, insulation layers, furnace throats, kiln doors, feeding ports, smoke exhaust ports, etc. of smelting equipment such as steel kilns, converters, and electric arc furnaces.
(3) Metallurgical industry: Bauxite is used to manufacture high-temperature furnace linings, furnace linings and casting sand.
(4) Chemical industry: linings of high-temperature reactors, catalyst carriers and liners of various corrosion-resistant equipment.
(5) Electric power industry: in high-temperature equipment such as electric furnaces and glass melting furnaces.
|
Grade |
Content（%） |
Refractoriness（℃） |
Volume Density（g/cm3） |
||
|
Al2O3 |
CaO |
Fe2O3 |
|||
|
Special Grade |
≥85 |
≤0.60 |
≤1.40 |
≥1790 |
≥3.60 |
|
Grade-80 |
≥80 |
≤0.60 |
≤3.00 |
≥1790 |
≥3.00 |
|
Grade-70 |
70~80 |
≤0.80 |
≤3.00 |
≥1790 |
≥2.80 |
|
Grade-60 |
60~70 |
≤0.80 |
≤3.00 |
≥1790 |
≥2.65 |
|
Grade-50 |
50~60 |
≤0.80 |
≤2.50 |
≥1790 |
≥2.55 |
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