Alumina-carbon drain hole brick toughened with homogenizing material and production method thereof
A production method and a technology of homogenizing materials, applied in the field of aluminum-carbon drain bricks, can solve the problems of cracks in drain bricks, affect the service life, increase material consumption, etc., increase high-temperature volume stability, and improve thermal shock resistance property, the effect of suppressing crack phenomenon
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Embodiment 1
[0027] An aluminum carbon sewer brick toughened by a homogenized material, comprising the following raw materials in weight percentage: 20% of 88 bauxite homogenized material, 48% of tabular corundum, 8% of fused white corundum, 2% of -298 flake graphite, 7% aluminum-silicon alloy powder, 9% active a-alumina powder, 6% Guangxi white mud, the total amount of the above raw materials is 100%; plus 3.5% phenolic resin binder of the total weight of the above-mentioned raw materials.
[0028] The 88 bauxite homogenized material includes two particle sizes, 1mm≤particle size1<3mm and 3mm≤particle size2≤5mm, the weight ratio of the 88 bauxite homogenized material with particle size 1 and particle size 2 1:1; the plate-like alumina includes two particle sizes, 0mm
Embodiment 2
[0033] An aluminum carbon sewer brick toughened by homogenized material, comprising the following raw materials in weight percentage: 25% of 88 bauxite homogenized material, 45% of tabular corundum, 12% of fused white corundum, 1% of -298 flake graphite, 6% aluminum-silicon alloy powder, 6% active a-alumina powder, 5% Guangxi white mud, the total amount of the above raw materials is 100%; plus 3.5% of the total weight of the above raw materials phenolic resin binder.
[0034] The 88 bauxite homogenized material includes two particle sizes, 1mm≤particle size1<3mm and 3mm≤particle size2≤5mm, the weight ratio of the 88 bauxite homogenized material with particle size 1 and particle size 2 1.5:1; the plate-like alumina includes two particle sizes, 0mm
Embodiment 3
[0037] An aluminum carbon sewer brick toughened by a homogenized material, comprising the following raw materials in weight percentage: 30% of 88 bauxite homogenized material, 38% of tabular corundum, 10% of fused white corundum, 2% of -298 flake graphite, 8% aluminum-silicon alloy powder, 8% active a-alumina powder, 4% Guangxi white mud, the total amount of the above raw materials is 100%; plus 3.5% phenolic resin binder of the total weight of the above-mentioned raw materials.
[0038] The 88 bauxite homogenized material includes two particle sizes, 1mm≤particle size1<3mm and 3mm≤particle size2≤5mm, the weight ratio of the 88 bauxite homogenized material with particle size 1 and particle size 2 2:1; the plate-like alumina includes two particle sizes, 0mm
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