After analysis of operating conditions and problems in the feeder of imperial smelting furnace, the lower hopper and faying face of the feeder has been modified, thus extending its service life.

• 分析了鼓风炉加料装置的工况条件及存在的问题,对加料装置的下部漏斗及结合面等进行改造,延长了其使用寿命。