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Hercynite, a kind of fused-type Hercynite with high quality, which is synthesized by aluminium oxide and iron-containing compound features environmental protection, no pollution, excellent thermal shock resistance and ability to alkaline slag erosion resistance. Hercynite stone can be used to manufacture spinel skateboards, nozzle brick, ladle castable, induction furnace lining, Hercynite bricks and other fields.
Hercynite Fused for Cement Kiln:
Compared with traditional brick spinel, magnesium oxide - aluminum ferrite spinel brick has excellent structure flexibility, low thermal expansion, low heat conductivity and good alkali salt erosion ability. Especially for large-scale rotary kiln (the maximum daily output 6 800t), the life of hercynite fused brick can be up to 17 to 18 months. After using, the brick Chemical and microstructural analysis results showed that even at extremely high volatile, large thermal mechanical stress and rotary kiln operating conditions, magnesia - hercynite brick erosion rate remains very low.
Indicators:
Al2O3 54-58%
SiO2 ≤1.5%
Fe2O3 39-44%
CaO ≤0.5%
The physical properties of porosity% ≤5.0%
Bulk density g / cm3 ≥ 3.90
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