| 1 | Also briefly described is the newly developed sluice fine screen. | |
| 2 | The deepened and widened chute can keep the unloading free from overflowing and speed up the unloading. | |
| 3 | After the emergence of jigging machine and shaker, so that the application of relatively less chute. | |
| 4 | The paper mainly describes the application results of the revolving spiral sluices in the production of several mines. | |
| 5 | Spiral chute is constructed of glass reinforced plastic and coated with Polyurethane emery wear resistant layer in the inner surface. |