西部矿业股份有限公司铅业分公司的卡尔多炉在试生产中出现直升烟道耐火内衬使用寿命不长的问题。从工艺的角度分析了造成内衬侵蚀的原因,并从各种耐火材质、施工等方面探讨延长内衬使用寿命的问题。 Western Mining Co., Ltd. lead branch of the Kaldor furnace in the trial production of straight flue fire-resistant lining of the problem of long service life. From the technical point of view, the cause of lining corrosion is analyzed. And the problems of prolonging the service life of lining are discussed from various refractories and construction.