The thermal shock stability, cleanness of molten steel and suitable protective slag function for fused quartzose and aluminious carbon submerged nozzle are analyzed and compared.

• 对熔融石英质和铝碳质浸入式水口热震稳定性、洁净钢水、适用保护渣性能进行分析对比,并对影响其使用寿命、堵塞原因及其工艺效果作进一步的阐述。