Refining Furnace Roof Precast is integrated refractory precast block for refining furnace roof. It is normally formulated with alumina‑magnesia, alumina‑spinel or high‑purity high‑alumina castable. It features high hot strength, low porosity, good thermal shock resistance and reliable resistance to slag splashing and radiant heat. It serves for LF refining furnace roof. This area suffers strong radiant heat, rapid temperature fluctuation and slag splashing. Adopting precast blocks reduces on-site casting work, speeds up furnace maintenance and shortens downtime. Custom shape, electrode hole layout and material formula are available.
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