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Φ2.5×42m干法窑窑口护铁在使用过程中由于浇筑料剥落而直接接触高温被氧化,从而导致大面积裂纹甚至断裂。本文对窑口护铁的焊接性进行了分析,提出了合理的窑口护铁焊接修复工艺。经应用表明,焊接修复后的窑口护铁的寿命比新窑口护铁寿命还延长了80%。
Φ2.5 × 42m Dry kiln kiln mouth iron in the process of using pouring material peel and direct contact with high temperature is oxidized, resulting in large-scale cracks and even cracks. This article analyzes the weldability of kiln mouth iron and puts forward a reasonable kiln mouth iron welding repair process. The application shows that the life of the kiln mouth iron after welding repair is 80% longer than the life of the new kiln iron.