Based on relevant theories, lining compositions and constructions are analyzed, and net shape cracks on the lining resulting from molten zinc penetration lead to inductor breakage.

• 从耐火材料组成和结构入手，运用有关理论分析了锌液的渗透作用使熔沟内衬产生网状裂纹导致感应器破损的原因。