With analyzing the problems existing in shafts of our country,a kind of round externa combustion pellet roasting shaft is envisaged and its structural characteristics and merits are introduced.

• 分析了我国目前竖炉存在的问题,提出了外燃式圆形球团矿焙烧竖炉的设想,并对其结构特征和优点进行了介绍。