PETpla.net Insider 10 / 2017

TRADE SHOW PREVIEW PET planet Insider Vol. 18 No. 0/17 www.petpla.net 47 Engineering Excellence Efficiency at the highest level PET-LINE machines www.netstal.com The best values for cycle times and output, combined with energy savings of up to 10%: the PET-LINE sets standards in efficiency. The state-of-the-art production system for PET preforms proves its value with: – Hydromechanically driven axes – State-of-the-art valve and control engineering – A consistently increased injection unit throughput – Innovative drive technology with energy recovery in the intermediate circuit PET-LINE – continuously further developed for maximum efficiency! Fakuma, hall A7, booth 7304 Dust becomes valuable Herbold Meckesheim’s portfolio is comprised of single machines and plants for size reducing, washing, separating, drying, and agglomerating contaminated, mixed post-consumer plastics. Special emphasis is on high- performance plants, i.e. over 3t/h for rigid plastics or over 1t/h for films which have recently seen a grow- ing demand. Another focus is on extremely thin films that are particu- larly difficult to wash, separate and dry. A third key aspect is in regard to extreme contaminations, such as sand, stones and soil in agricultural film, or residual acid in battery cases. A further focus is on energy-saving recycling of PET bottles for bottle-to- bottle applications. Another emphasis is on Herbold’s great experience in retrofitting, upgrading, modernising and refurbishing existing washing lines that have reached their opera- tional limits. Many manufacturing processes produce dust and fines, which are separated from the produc- tion process and could be reclaimed. ously adjustable feeding screw into the processing zone through the centre of the fixed disc. Friction is created on and between the compacting discs, the amount of friction being determined by the distance between discs which is adjustable. Thanks to this friction, the material is heated quickly, spun off and conveyed via a central downstream blower to the secondary granulator. Since the dwell time of the material in the compacting zone is only a matter of seconds, the thermal impact on the material is minimal, which is not the case with extruders. www.herbold.com PET dust before and after compacting in a Herbold Plastcompactor Hall A6 | Booth 6511 Herbold Here some examples: Textile flock in textile finishing, fines when recycling post-consumer PET bottles, which can occur with friction washers and centrifugal dryers, fluffs arising during the recycling of bottle crates which are separated by air separation after size reduction or textiles or fibres arising when separating compound materials. Herbold Meckesheim has a differ- ent approach to solving the problem: the material is slightly compacted in the Herbold Plastcompactor and trans- formed into agglomerate with a high bulk density and with good flow proper- ties. The material is processed in con- tinuous operation, between a fixed and a rotating disc, equipped with replace- able kneading bars. The pre-granulated material is conveyed continuously from the buffer silo by means of a continu-