【摘要】 为延长炉衬的使用寿命，用镁质捣打料代替镁砖打结精炼电炉炉衬。实践证明，炉衬寿命成倍提高，社会效益和经济效益显著。更多还原

【Abstract】 To prolong furnace lining′s service life,refining furnace lining is rammed with magnesia ramming material instead of magnesia brick.The practice sho ws that the lining life is doubled,the social and economical benefit are very ob viously.更多还原