By using different particle size of fused white corundum(<74 μm,74～147 μm,>147 μm),flake graphite,solid resin,commercial alcohol,zirconia(calcium oxide as stabilizer) as the raw materials,Al2O3-C samples wit...By using different particle size of fused white corundum(<74 μm,74～147 μm,>147 μm),flake graphite,solid resin,commercial alcohol,zirconia(calcium oxide as stabilizer) as the raw materials,Al2O3-C samples with the length of 850 mm,inner(alumina-graphite) diameter of 50 mm and outer(zirconium) diameter of 85 mm were prepared by cold isostatic compaction pressed at 160 MPa after prilling in granulator.An electric field was applied to Al2O3-C refractory and the effect of current intensity(0.5 A,1 A and 5 A) on slag erosion resistance was investigated in this paper.The results show that with the increasing of current intensity,the thickness of build-up in cathode increases significantly.CaO·6Al2O3,a high melting point compound generated on the surface of slag line,decreases the slag erosion rate of Al2O3-C refractory dramatically.展开更多
文摘By using different particle size of fused white corundum(<74 μm,74～147 μm,>147 μm),flake graphite,solid resin,commercial alcohol,zirconia(calcium oxide as stabilizer) as the raw materials,Al2O3-C samples with the length of 850 mm,inner(alumina-graphite) diameter of 50 mm and outer(zirconium) diameter of 85 mm were prepared by cold isostatic compaction pressed at 160 MPa after prilling in granulator.An electric field was applied to Al2O3-C refractory and the effect of current intensity(0.5 A,1 A and 5 A) on slag erosion resistance was investigated in this paper.The results show that with the increasing of current intensity,the thickness of build-up in cathode increases significantly.CaO·6Al2O3,a high melting point compound generated on the surface of slag line,decreases the slag erosion rate of Al2O3-C refractory dramatically.
