| 摘要 |
A double course vane assembly for use in connection with the milling bowl of a pulverizer/classifier. The two courses are either attached to the outer peripheral edge of the milling bowl so as to rotate with the bowl or are attached to the pulverizer/classifier wall so as to remain stationary. In both embodiments, the vane courses are concentric with one another. The vanes in the first course are angled in one sense and the vanes of the second course are angled in the opposite sense. |
