Silica corundum brick
A technology of silicon corundum brick and white corundum powder, which is applied in the field of refractory materials, can solve the problems of restricting the scope of use, shortening the service life, wasting resources, etc., and achieves significant economic and social benefits, high raw material utilization, and easy operation and production.
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[0017] Example 1
[0018] The components of the present invention are calculated by the following weight percentages:
[0019] Al 2 O 3 Mass content> 87%, 4mm ≥ particle size> 2mm bauxite clinker 15%;
[0020] Al 2 O 3 Mass content> 87%, 2mm ≥ particle size> 1mm bauxite clinker 39%;
[0021] 3% of zircon sand powder passed through 200 mesh sieve;
[0022] SiC mass content > 97%, 17% silicon carbide powder passed through a 200-mesh sieve;
[0023] 10% of fused white corundum powder passed through a 300-mesh sieve;
[0024] 5% of Sialon powder passed through a 300-mesh sieve;
[0025] 4% of kyanite powder passed through a 200-mesh sieve;
[0026] 7% of soft refractory clay passed through 200-mesh sieve, the total amount is 100% as the basic raw material, and then made by adding a binder, the binder is sulfite pulp waste liquid, and the concentration is 1.18g / cm 3 , the addition amount is 4.5% of the basic raw material weight;
[0027] Among them, the Al 2 O 3 Bauxit...
Example Embodiment
[0028] Example 2
[0029] The components of the present invention are calculated by the following weight percentages:
[0030] Al 2 O 3 Mass content> 87%, 4mm ≥ particle size> 2mm bauxite clinker 17%;
[0031] Al 2 O 3 Mass content> 87%, 2mm ≥ particle size> 1mm bauxite clinker 35%;
[0032] 4% of zirconium sand powder passed through a 200-mesh sieve;
[0033] SiC mass content > 97%, 16% silicon carbide powder passed through a 200-mesh sieve;
[0034] 11% of fused white corundum powder passed through a 300-mesh sieve;
[0035] 6% of Sialon powder passed through a 300-mesh sieve;
[0036] 5% of kyanite powder passed through a 200-mesh sieve;
[0037] 6% of soft refractory clay that has passed 200 mesh sieve, the total amount is 100% as the basic raw material, and then made by adding a binding agent, the binding agent is sulfite pulp waste liquid, and the concentration is 1.2g / cm 3 , the addition amount is 4% of the basic raw material weight;
[0038] Among them, the ...
Example Embodiment
[0039] Example 3
[0040] The components of the present invention are calculated by the following weight percentages:
[0041] Al 2 O 3 Mass content> 87%, 4mm ≥ particle size> 2mm bauxite clinker 16%;
[0042] Al 2 O 3 Mass content> 87%, 2mm ≥ particle size> 1mm bauxite clinker 35%;
[0043] 3% of zircon sand powder passed through 200 mesh sieve;
[0044] SiC mass content > 97%, 15% silicon carbide powder passed through a 200-mesh sieve;
[0045] 12% of fused white corundum powder passed through a 300-mesh sieve;
[0046] 7% Sialon powder passed through 300-mesh sieve;
[0047] 4% of kyanite powder passed through a 200-mesh sieve;
[0048] 8% of soft refractory clay that has passed 200 mesh sieve, the total amount is 100% as the basic raw material, and then is made by adding a binder. The binder is sulfite pulp waste liquid with a concentration of 1.25g / cm 3 , the addition amount is 4.4% of the basic raw material weight;
[0049] Among them, the Al 2 O 3 Bauxite c...
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