Low-carbon aluminum silicon carbide carbon brick containing nanocarbon and preparation method thereof
A carbon-aluminum-silicon-carbide-carbon brick and nano-carbon technology is applied in the field of refractory materials, which can solve the problems of affecting the high temperature strength of the brick body, complicated use conditions, and increase the cost of raw materials, so as to reduce thermal conductivity, improve thermal shock resistance, The effect of improving the overall performance
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Embodiment 1
[0039] The raw materials of low-carbon aluminum silicon carbide carbon bricks containing nano-carbon include main raw materials and auxiliary raw materials, and the main raw materials include by weight percentage:
[0040]
[0041]
[0042] Auxiliary raw materials include organic binder, absolute alcohol, polyvinyl alcohol fiber and chopped carbon fiber. The weight of absolute alcohol accounts for 1% of the total weight of the main raw material, and the weight of organic binder accounts for 3% of the total weight of the main raw material. The weight accounts for 0.05% of the total weight of the main raw material, and the weight of chopped carbon fiber accounts for 0.2% of the total weight of the main raw material;
[0043] The preparation method comprises the following steps:
[0044] 1) The main raw materials are crushed, finely ground and screened according to the particle size requirements;
[0045] 2) The surfaces of two kinds of high-alumina bauxite clinker, two ki...
Embodiment 2
[0051] Except that the two kinds of high-alumina bauxite clinker and the brown corundum raw material with a particle size of 1-3 mm are not coated with nano-carbon film, the others are the same as in Example 1.
Embodiment 3
[0053] Except that the surfaces of the two kinds of high alumina bauxite clinker and the two kinds of brown corundum raw material particles are not coated with nano-carbon film, the others are the same as in Example 1.
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