By replacing corundum castable with chrome corundum brick in hot lining of awl shape area and improving the material and structure of precast blocks for throat of the furnace,the furnace runs well.

• 锥段热面衬里选用铬刚玉砖替代原来的刚玉浇注料 ,同时改进炉咽喉预制件的材料和结构 ,确保了设备的稳定运行