PWL Helixpress HXP HD with dynamic press zone in plastic recycling13 Jan 2017
Based on the experience with the PWL spiral presses and PWL screw presses of the PWL Anlagentechnik used for decades, the PWL high-pressure press HXP HD was developed several years ago.
In the meantime, the PWL Helixpress has been installed e.g. in a plastic recycling during the past year. Rejects, which are separated from the process water by PWL drum screens of type PWL CenterFlow, are dewatered and compacted by the PWL Helixpress. The PWL Helixpress meets the heterogeneity and also the drainability of the various rejects by the dynamically working press zone.
Aas a function of the required pressing force, the press zone is pneumatically controlled. As a result, a consistently low residual moisture content in the pressed reject can be ensured. The narrow drainage sieves of the PWL Helixpress HXP HD also ensure very high retention rates for fines.
The outstanding performance of the PWL Helixpress HXP HD was again confirmed in the described application. The residual moisture content is less than 10% and the volume of rejects to be disposed of has halved due to the good compaction.