Test situation of smelting nitrided ferromanganese in rotary kiln i s introduced,the method of sealing furnace gas and factors affecting nitrogen cont ent in FeMn are especially expouneded.

• 介绍了在回转窑中生产氮化锰铁的试验情况，着重阐述了炉气密封的方法和影响合金氮含量的因素。