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The screen changer is a manual or automatic switching device consisting of one or more filters, which is used to filter out foreign particles and impurities when plasticizing material flow filters. As we all know, the cleanliness of the recycled materials and the technological use of the final regenerated particles determine the filtration technical standards of the filtration system. For different melt filtration loads, the conventional non-stop single-plate double-station or two-piston double-station screen-changing filtration system is applied to achieve excellent melt filtration performance.
| Type | SCF 350 | SCF 350-D |
| Diameter | 250mm*1 | 350mm*2 |
| Filtration area | 961cm2 | 1922cm2 |
| Filtration fineness(mesh) | 40-120 | 40-120 |
| Filtration fineness(um) | 120-380 | 120-380 |
| Hole shape | Cylinder/Cone | Cylinder/Cone |
| Processing technic | CNC/Laser | CNC/Laser |
| Max. melt pressure | 200bar | 200bar |
| Max. melt difference | 150bar | 150bar |
| Throughput capacity | 200-500kg/h | 500-1000kg/h |
| Rotation motor power | 2.2kw | 2.2kw |
| Discharge scrw motor power | 0.37kw | 0.37kw*2 |
| Heating power | 28kw | 33kw |
| Dirt discharge | Screw | Screw |
| PLC | Siemens | Siemens |
| Inverter | Schneider/ABB | Schneider/ABB |
The new SCF self-cleaning filtration system makes non-stopping recycling extrusion, especially suitable to highly contaminated materials re-pelletizing.
Different from traditional screen changers, which requires timely change the dirty wire mesh, the SCF system will present continuous filtering performance, and remove the contaminates from the surface of steel screen plate automatically.It has the advantages of a high degree of automation and large-volume production, which can increase the recycling rate of recycled materials, and the slag discharge rate (the amount of slag discharged and the plastic content in the accompanying slag discharge process) can reach 1:1.
The effective accuracy of SCF can reach 120 meshes. The use of Aceretech SCF self-cleaning filters can more efficiently produce pelletizing lines with an output of more than one ton per hour.
The SCF filtration system consists of hardened steel screen plate, rotating unit,hydraulic section, contaminates removing blades and discharging screw.
SCF filtration system can handle and remove up to 5% contaminates in the melt flowing, can separate the contaminates as: paper,wood, aluminum, unmelted plastic and rubbers etc.
