分析了红土镍矿烧结除尘灰的特性,介绍了除尘灰气力输送系统的设计和技术特点。根据该系统投运一年多来的情况,对其运行效果进行了评价和经济分析,综合认为烧结除尘灰采用气力输送是可行的、经济的和环保的。此外,还指出了该系统有待完善之处及下一步改进的方向。 The characteristics of sintered dust removal from laterite nickel ore are analyzed. The design and technical characteristics of dust removal pneumatic conveying system are introduced. According to the operation of the system for more than one year, the operating results were evaluated and economic analysis. It was concluded that the pneumatic conveying of sintering dust was feasible, economical and environment-friendly. In addition, it points out the areas to be improved and the direction for further improvement.