本工作从实验室检验铝碳质水口在渣侵润区的蚀损模型入手,加速侵蚀试验的结果表明,在集料中添加氮化硼可大大降低水口的蚀损。试验证实了这一实验室结论的正确性,该水口已得到应用。使用情况表明,除了抗渣性之外,它还有其它理想的效果,特别是在提高浇铸产品的质量方面。 This work starts from the laboratory test of aluminum carbonaceous nozzle in the erosion area of ​​the slag erosion model to start the accelerated erosion test results show that the addition of boron nitride in the aggregate can greatly reduce the erosion of the nozzle. The test confirms the correctness of this laboratory conclusion, the nozzle has been applied. The use case shows that in addition to the slag resistance, it has other desirable effects, especially in terms of improving the quality of the cast product.