The dual-frequency electromagnetic ingot casting(DFEMIC)method with copper water-cooled ingot mold for extra heavy plate was developed.Electromagnetic field distribution in ingot mold was measured through the teslamet...The dual-frequency electromagnetic ingot casting(DFEMIC)method with copper water-cooled ingot mold for extra heavy plate was developed.Electromagnetic field distribution in ingot mold was measured through the teslameter,the shielding effect of the copper ingot mold was judged,it is less than 37.7%of magnetic flux density when there is no ingot mold.The average shielding the magnetic field proportion of copper ingot mold reduced to 54.9%after loading '「' type the magnetic yoke and adjusting its distribution.Improving electromagnetic power can increase the magnetic field strength. Using the slit combination ingot mold could help increasing magnetic flux density in ingot mold.Steel structure outside ingot mold also have interference on magnetic field distribution in ingot mold,Therefore,it is important to paid more attention to electromagnetic shielding and the uniform symmetry of system structure.展开更多
基金Item Sponsored by Natural Science Fund of Liaoning Province of China[No.20062207]Open Subject Fund of Key Laboratory of Chemical Metallurgy Engineering,Liaoning Province[No.USTLKL201105]
文摘The dual-frequency electromagnetic ingot casting(DFEMIC)method with copper water-cooled ingot mold for extra heavy plate was developed.Electromagnetic field distribution in ingot mold was measured through the teslameter,the shielding effect of the copper ingot mold was judged,it is less than 37.7%of magnetic flux density when there is no ingot mold.The average shielding the magnetic field proportion of copper ingot mold reduced to 54.9%after loading '「' type the magnetic yoke and adjusting its distribution.Improving electromagnetic power can increase the magnetic field strength. Using the slit combination ingot mold could help increasing magnetic flux density in ingot mold.Steel structure outside ingot mold also have interference on magnetic field distribution in ingot mold,Therefore,it is important to paid more attention to electromagnetic shielding and the uniform symmetry of system structure.
