Forsterite fireproof castable
A refractory castable and forsterite technology, applied in the field of refractory materials, can solve the problems of single development and application, fine powder entering the river, and low added value of products, so as to reduce resource waste, good resistance to slag erosion, and good thermal shock resistance The effect of the high temperature performance of the
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[0024] Example 1
[0025] Take 11.88 kg of forsterite with a particle size of 5-3mm, 19.8 kg of forsterite with a particle size of 3-1 mm, 15.84 kg of forsterite with a particle size of 1-0 mm, and 18.48 kg of forsterite with a particle size of 0.088 mm. 12 kg of magnesium oxide, 10 kg of fine forsterite powder, 5 kg of silica micropowder binder, 6.8 kg of zircon sand powder, and 0.2 kg of sodium hexametaphosphate, mixed uniformly into 100 kg of refractory castable bulk material. The refractory castable bulk material is added with appropriate amount of water and stirred evenly, and then poured into a 40×40×160mm triple mold. After natural curing for 24 hours, it will be demolded, and then dried at 110°C for 24 hours, and finally at 1400°C-1500 Incubate at ℃ for 2 to 3 hours to prepare samples. After the sample is cooled, its performance is tested, and the results are shown in the attached table.
Example Embodiment
[0026] Example 2
[0027] Put 12.73 kg of forsterite with a particle size of 5-3 mm, 19.43 kg of forsterite with a particle size of 3-1 mm, 15.41 kg of forsterite with a particle size of 1-0 mm, and 19.43 kg of forsterite with a particle size of 0.088 mm. 11 kg of magnesium oxide, 9.8 kg of fine forsterite powder, 6 kg of silica micropowder binder, 6 kg of silicon carbide, and 0.2 kg of sodium hexametaphosphate are mixed uniformly into 100 kg of refractory castable bulk materials. The refractory castable bulk material is added with appropriate amount of water and stirred evenly, and then poured into a 40×40×160mm triple mold. After natural curing for 24 hours, it will be demolded, and then dried at 110°C for 24 hours, and finally at 1400°C-1500 Incubate at ℃ for 2 to 3 hours to prepare samples. After the sample is cooled, its performance is tested, and the results are shown in the attached table.
Example Embodiment
[0028] Example 3
[0029] Put 13.6 kg of forsterite with a particle size of 5-3mm, 19.04 kg of forsterite with a particle size of 3-1 mm, 14.96 kg of forsterite with a particle size of 1-0 mm, and 20.4 kg of forsterite with a particle size of ≦0.088 mm. 11 kg of magnesium oxide, 8 kg of fine forsterite powder, 6 kg of silica micropowder binder, 6.8 kg of zircon sand powder, and 0.2 kg of sodium tripolyphosphate, mixed uniformly into 100 kg of refractory castable bulk material. The refractory castable bulk material is added with appropriate amount of water and stirred evenly, and then cast in a 40×40×160mm triple mold. After natural curing for 24 hours, the mold will be demolded, then dried at 110°C for 24 hours, and finally at 1400°C-1500 Incubate at ℃ for 2 to 3 hours to prepare samples. After the sample is cooled, its performance is tested, and the results are shown in the attached table.
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