| 摘要 |
The dwell zone (1) in the flocking device has at least two pivotable end walls (7, 8) and a grate wall (12) capable of being oscillated. A flocking device used to give improved contact between water and flocking agent during the formation of flocks in a water purification or sewage treatment plant, contains a dwell zone (1) with at least two pivotable end walls (7, 8) and a grate wall (12) that can be oscillated. |
