Non-phosphorus and low-carbon alumina-magnesia unburned brick for stainless steel ladle and manufacturing method of brick
A stainless steel and low carbon aluminum technology, applied in the field of refractory production technology, to achieve the effect of good stainless steel molten steel, strong corrosion resistance, and omitting the firing process
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[0013] Example: Weigh 5-3mm high-bauxite 15-20KG, 3-1mm high-bauxite 20-25KG, ≤1mm high-bauxite 10-15KG, 3-1mm fused magnesia 10-15KG, ≤1mm Fused magnesia 5-10KG, corundum powder 10-15KG, spinel powder 15-20KG, ≤25μm alumina powder 2-5KG, silicon carbide additive 0.1-2KG, wetting agent 0.1-2KG, plus binder phenolic resin 10-25KG spare. Prepare according to the following steps: (1) Pre-mix the powder in the sand mixer. When mixing the materials, first put high-alumina bauxite and fused magnesia of different particle sizes into the sand mixer and mix for 2-3 minutes. Then add silicon carbide additive and phenolic resin binder, and knead for 2-3 minutes; (2) add wetting agent to the kneaded raw materials and knead for 3-5 minutes; (3) add corundum powder, spinel powder, Alumina micro-powder is mixed for 8-10 minutes; (4) the mud material is made and discharged, put into a friction brick press for molding, and made into adobe; the adobe after heat treatment is the finished produc...
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