Use : It is used as lining discharge channel of furnace, steel - tapping spout furnace bottom cupolas furnace.

适用于高炉出铁沟、炉坑、冲天炉 、 工频炉、出铁槽出钢槽等部位.

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It is lnecessarythat applying slag - less steel tapping technique in EAF for developing secondary metallurgy ofladle furnace.

指出了为发展钢包二次冶金技术、改造电弧炉应用无渣出钢技术的必要性.

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