It offers considerable advantages over conventional recessed chamber presses
- High adaptability to unsteady product compositions.
- Short filtration time, as the critical end phase of the filtration of chamber presses does not apply. This results in an increase in the specific filtration output – compared with recessed plate filter presses – leading to smaller filter presses and lower investment costs.
- Uniform elutriation of the entire filter cake. As a result, both the required washing time and amount of washing liquid are drastically reduced.
- Higher dry matter content in the filter cake as a result of the squeezing procedure, i.e. lower energy consumption in the event of subsequent drying.
- Easier cake detachment and a more favourable self-activated emptying of the press.
The special design of membrane plate used in the Hoesch presses, combined with the design of the feed port makes the Hoesch side bar membrane press very reliable and eliminates many of the problems associated with alternative membrane press designs.
Plate filling problems are minimized and the use of a rubber membrane enables “empty-chamber” operation without damaging the plate, resulting in a considerable reduction in incidents of plate failure. Even if the chamber is not completely filled, the filter cake is squeezed by the inflating filter level and therefore perfectly dewatered.