| 摘要 |
PURPOSE: Amorphous low erosion-resisting refractory cement is provided to have excellent adhesion property, intensity, thermal conductivity, and erosion-resisting property by adding alumina cement, zircon, and an alumina binder in a refractory compound with alumina(Al2O3) and silicon carbide (SiC). CONSTITUTION: An amorphous low erosion-resisting refractory cement manufacturing method comprises following steps. Alumina cement, zircon, and an alumina binder are added to a refractory mixture containing alumina(Al2O3) and silicon carbide(SiC). Amorphous refractory cement additionally includes one or more of mixtures selected among magnesium oxide, spinel, zirconia, chromia, or hafnium oxide. The content of the alumina binder is 0.5-4 parts by weight of alumina for 100.0 parts by weight of the whole amorphous refractory cement. In the alumina cement, the amount of calcium oxide(CaO) is 10-30 wt%. The added amount of the alumina cement is 0.5-5 wt% among the whole amorphous refractory cement. The added amount of zircon is 1-5 wt% among the whole amorphous refractory cement.
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