A kind of homogenized material toughened aluminum carbon drain brick and its production method
A homogenized material and aluminum-carbon technology, applied in the field of aluminum-carbon drain bricks, can solve problems such as cracks in drain bricks, affect 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] A homogenizing material toughened aluminum-carbon sewer brick, comprising the following weight percentages of raw materials: 20% 88 bauxite homogenizing material, 48% tabular corundum, 8% fused white corundum, 2% -298 flake graphite, 7% aluminum-silicon alloy powder, 9% active a-alumina powder, 6% Guangxi white clay, the total amount of the above raw materials is 100%; plus 3.5% phenolic resin binder of the total weight of the above raw materials.
[0028] The 88 bauxite homogenizing material includes two particle sizes, 1mm≤particle size 1<3mm and 3mm≤particle size 2≤5mm, and the weight ratio of 88 bauxite homogenizing material of particle size 1 and particle size 2. It is 1:1; the tabular corundum includes two particle sizes, 0mm
Embodiment 2
[0033] A homogenizing material toughened aluminum-carbon sewer brick, comprising the following weight percentages of raw materials: 25% 88 bauxite homogenizing material, 45% tabular corundum, 12% fused white corundum, 1% -298 flake graphite, 6% aluminum-silicon alloy powder, 6% active a-alumina powder, 5% Guangxi white clay, 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 homogenizing material includes two particle sizes, 1mm≤particle size 1<3mm and 3mm≤particle size 2≤5mm, and the weight ratio of 88 bauxite homogenizing material of particle size 1 and particle size 2. It is 1.5:1; the slab corundum includes two particle sizes, 0mm
Embodiment 3
[0037] A homogenizing material toughened aluminum-carbon sewer brick, comprising the following weight percentages of raw materials: 30% 88 bauxite homogenizing material, 38% tabular corundum, 10% fused white corundum, 2% -298 flake graphite, 8% aluminum silicon alloy powder, 8% active a-alumina powder, 4% Guangxi white clay, 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.
[0038] The 88 bauxite homogenizing material includes two particle sizes, 1mm≤particle size 1<3mm and 3mm≤particle size 2≤5mm, and the weight ratio of 88 bauxite homogenizing material of particle size 1 and particle size 2. It is 2:1; the tabular corundum includes two particle sizes, 0mm
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