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Development and Application of TB-P Hollow Carbon-free Premelting Basic Tundish Powder
Author(s): 
Pages: 28-30,50
Year: Issue:  z1
Journal: BAOSTEEL TECHNOLOGY

Keyword:  无碳预熔中空碱性中间包覆盖剂;
Abstract: TB-P中间包覆盖剂集无碳、预熔、中空、碱性于一体,选择CaO-MgO-Al2O3-SiO2渣系,CaO/SiO2>2,(MgO)为(14±4.5)%,(Al2O3)为(12±4.5)%,(Fe2O3)<2%、F.C≤0.1%.在工作层采用镁质喷涂料的60 t中间包使用时,铺展性、均一性、保温性等工艺性能良好,不结壳,无增碳隐患,Al2O3吸附率达30%左右.无碳预熔中空型碱性中间包覆盖剂较好地发挥了"中间包冶金"--"中间包全碱性技术"的精炼功能.
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