文中揭示了影响炉衬寿命的原因,提出了延长寿命的措施。前言因我国富锰矿资源贫乏,进口富矿十分困难,而且价格暴涨,已严重影响 The article reveals the reasons that affect the life of the lining, and puts forward the measures to prolong the life. Preface Due to the poor resource of manganese rich ore in our country, it is very difficult to import rich ore and the price soared, which has seriously affected