Preparation method of sintered compact high-zirconium brick
A high-zirconium brick and dense technology, applied in glass manufacturing equipment, manufacturing tools, glass furnace equipment, etc., can solve the problems of high porosity, low strength and long process cycle, etc., and achieve a small degree of glass liquid precipitation, effective Good for corrosion resistance and grain development
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[0020] A sintered dense high-zirconium brick and a preparation method thereof. According to the following scheme, a slurry is prepared by mixing various raw materials listed in Table 1. The preparation step of the slurry is: first, partially stabilized fused zirconia Add the powder, high-purity silica powder, dispersant, and deionized water into the ball mill and stir for 30 minutes, then add the silica sol solution and continue stirring for 60 minutes, and finally add the PVA solution and stir for 30 minutes to obtain a uniformly dispersed slurry ;
[0021] Table 1, slurry composition
[0022] Table 1
[0023]
[0024] As described in Table 1, the greater the proportion of monoclinic zirconia in the selected raw materials, the more solid or liquid silicon sources are introduced correspondingly, and only a few combinations are selected in the examples; Silica powder is introduced, also includes the introduction of binder silica sol; the high-purity SiO2 powder is one or b...
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