A burner prefabricated part for calcining kiln and its preparation method
A burner, calcining kiln technology, applied in lighting and heating equipment, furnace types, furnaces, etc., can solve the problems of poor thermal shock resistance, no resistance to peeling, poor construction quality, etc., to improve the operation rate, avoid quality segregation, The effect of solving on-site construction weaknesses
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Embodiment 1
[0012] Embodiment 1, 16 parts of fused mullite, Si 2 al 4 o 4 N 4 25 parts, Al 3 BC 3 12 parts, 20 parts of zirconium spinel, 3 parts of strontium carbonate powder, 4 parts of vanadium carbide powder, 12 parts of alumina micropowder, 7 parts of high alumina cement, and 1 part of composite powder. Add the admixture, mix well, and then add the aluminum chloride solution. The percentages of the added amounts of the aluminum chloride solution and the admixture to the total weight are as follows: 9% of the aluminum chloride solution and 0.3% of the admixture.
Embodiment 2
[0013] Embodiment 2, 17 parts of fused mullite, Si 2 al 4 o 4 N 4 24 copies, Al 3 BC 3 12 parts, 20 parts of zirconium spinel, 3 parts of strontium carbonate powder, 4 parts of vanadium carbide powder, 12 parts of alumina micropowder, 7 parts of high alumina cement, and 1 part of composite powder. Add the admixture, mix well, and then add the aluminum chloride solution. The percentages of the added amounts of the aluminum chloride solution and the admixture to the total weight are as follows: 9% of the aluminum chloride solution and 0.2% of the admixture.
Embodiment 3
[0014] Embodiment 3, 18 parts of fused mullite, Si 2 al 4 o 4 N 4 23 parts, Al 3 BC 3 12 parts, zirconium spinel 21 parts, strontium carbonate powder 3 parts, vanadium carbide powder 4 parts, alumina micropowder 12 parts, high alumina cement 7 parts, composite powder 0 parts. Add the admixture, mix well, and then add the aluminum chloride solution. The percentages of the added amounts of the aluminum chloride solution and the admixture to the total weight are as follows: 9% of the aluminum chloride solution and 0.3% of the admixture.
[0015] The follow-up preparation process of Examples 1, 2, and 3 is as follows: install the mold, add the stirred mixture, and flatten it by the self-weight and surface tension of the mixture; wipe off the excess material on the surface; The good samples and molds are placed in a 25°C constant temperature room, demoulded after inspection and hardening, and then naturally cured for 48 hours after demoulding; drying: the cured samples are dr...
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