Methods to inject oxygen and solid materials into EAF,i.e. hand lance,lance manipulator,bottom blowing and water cooled lance,are compared.

• 本文就氧和固体燃料向电弧炉喷吹的方法，如手动喷枪、喷枪机械手、底部喷吹和水冷喷枪进行了比较。