High-wear-resistance Guimo brick and preparation method thereof
A kind of silicon mulberry brick, high wear resistance technology, applied in the field of refractory materials, can solve the problem that the service life is only in the range of half a year to one year, the fire resistance, wear resistance, corrosion resistance and thermal shock resistance are average, and the ability to resist the erosion of cement clinker. Weakness and other problems, to achieve the effect of compact structure, improved thermal shock resistance, high load soft temperature
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Embodiment 1
[0029] A high wear-resistant silica brick prepared from the following components in weight percentage:
[0030]
[0031]
[0032] Wherein, the high alumina bauxite is Al 2 o 3 The special grade high alumina bauxite of 89% by weight; Bauxite is Al 2 o 3 Special grade bauxite with a weight percentage of 86%; the content of SiC, the main component of silicon carbide, is 98%, the bulk density is 3.215g / cm3, and the particle size is ≤3mm; α-Al 2 o 3 The main component of micropowder is Al 2 o 3 The content of silicon powder is 99.0%, the bulk density is 3.99 g / cm3, and the particle size is less than 5 μm; the main component of silicon micropowder is SiO 2 content of 97%, specific surface area of 16m 2 / g, particle size <1 μm, pH value 5.6.
[0033] The preparation method of high wear-resistant silica molybdenum brick comprises the following steps:
[0034] The first step, mud making: Weigh the above components according to the proportion, add pulp waste liquid with...
Embodiment 2
[0041] A high wear-resistant silica brick prepared from the following components in weight percentage:
[0042]
[0043]
[0044] Wherein, the high alumina bauxite is Al 2 o 3 90% by weight of super-grade high-alumina bauxite; bauxite is Al 2 o 3 Special grade bauxite with a weight percentage of 87%; the main component of silicon carbide, SiC, with a content of 98%, a bulk density of 3.215g / cm3, and a particle size of ≤3mm; α-Al 2 o 3 The main component of micropowder is Al 2 o 3 The content of silicon dioxide is 99.3%, the bulk density is 3.98g / cm3, and the particle size is 2 content of 97%, specific surface area of 18 m 2 / g, particle size <1 μm, pH 6.3.
[0045] The preparation method of high wear-resistant silica molybdenum brick comprises the following steps:
[0046] The first step, mud making: Weigh the above components according to the proportion, add pulp waste liquid with a total component weight of 5.0%, and mix and grind in a planetary mixer to make...
Embodiment 3
[0052] A high wear-resistant silica brick prepared from the following components in weight percentage:
[0053]
[0054] Wherein, the high alumina bauxite is Al 2 o 3 92% by weight of super-grade high-bauxite; Bauxite is Al 2 o 3 Special grade bauxite with a weight percentage of 86%; the main component of silicon carbide, SiC, with a content of 98%, a bulk density of 3.215g / cm3, and a particle size of ≤3mm; α-Al 2 o 3 The main component of micropowder is Al 2 o 3 The content of silicon powder is 99.5%, the bulk density is 3.99g / cm3, and the particle size is 2 content of 97%, specific surface area of 26 m 2 / g, particle size <1 μm, pH 7.5.
[0055] The preparation method of high wear-resistant silica molybdenum brick comprises the following steps:
[0056] The first step, mud making: Weigh the above components according to the proportion, add pulp waste liquid with a total component weight of 4.2%, and mix and grind in a planetary mixer to make mud;
[0057] The s...
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