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螺旋输送一般适合输送磨蚀性小的粉状物料，输送能力不能太大，能够密封防扬尘。
其特点是：结构比较简单，操作安全方便，维护不太复杂、横断面的外形尺寸不大，便于在若干个位置上进行中间卸栽，紧闭机壳的盖子可达到较好的密封。但单位动力消耗高，运行中物料易受粉碎，对过栽敏感，要求均匀的加料，螺旋、机壳和吊轴承磨损较严重。