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This type of Plastic LDPE LLDPE HDPE wrapping film compactor pelletizing line-single stage is fully automatically die face pelletizing production line,it combines feeding-crushing-melting-pelletizing in one step,you can option with or without vaccum degassing according to the nature of plastics. The pellets cutting way is also optional by water ring cutting or noodle cutting.
With filtration system to stop the dirts, you can choose 1 layer to 5 layers nets to clean pellets. By the new designed filter syste, it do not need stop the machine while changing nets. The big area net design will ensure the long time for changing nets.
Different kind of raw plastic materials as below:
Sliding Gate
It can handle both hard and soft materials. The sliding gate controls the residence time of the material in the compactor to achieve the effect of pre-drying and ensure that clean and dry material enters the barrel. Material that fails to achieve the treatment effect will not be able to enter the next process. PLC accurately controls the quantity of forced feeding materials to ensure production capacity.
Single Screw Extruder
By screw's rotation, the plastic material goes forward, to finish the processing of compacting, melting, homogenization. Material of screw adopts qualified nitride steel(38CrMoAlA), process of CNC, with nitride treatment, has the ability of corrosion resistance and wear-resisting. With the specialized design of screw, even running with high speed, the material of polyolefin can be well melted under lower temperature and lower melting pressure.Barrel -Screw
It is part of screw pair, made of nitride steel, inner surface with nitriding treatment, to present higher surface hardness and better wear-resisting. The hot energy generated by heaters transmits through the barrel to the inside plastic materials, makes the plastic melting; with the temperature sensors and cooling fans which assembled on each heating zone.
Vacuum Degassing
Its function is to remove the low molecule and remain moisture from the melts which happened during the plastic raw material melting.
The vacuum degassing system consists of vacuum pump, vacuum room, filtering tank, pressure guage and pipelines. Vacuum pump is water ring type, forms the high negative pressure by the water sealing, suitable to waste gas and water enforcingly separate.
Melt Filtration
A regular single-plate/ piston double-station screen changer or non-stop double-plate/ piston four-station can be installed on head of extruder to present significant filtration performance. the requirements on the filter echnology depend heavily on the quality of the input material as well as the planned use of granules.
Pelletizing
Water ring pelletizing system set as the standard granulating method. self-adjusting pelletizing head for the best granulate quality and long uptime thanks to consistently correct blades pressure. The production line can be equipped with three kinds of granulation methods: water circumferential cutting, water-cooled stretching, automatic stretching or underwater granulation.
| Models | Screw diameter | L/D | PP | PE |
| RS85 | 85mm | 33:1 | 160kg/h | 200kg/h |
| RS100 | 100mm | 33:1 | 250kg/h | 300kg/h |
| RS130 | 130mm | 30:1 | 380kg/h | 500kg/h |
| RS160 | 160mm | 28:1 | 550kg/h | 700kg/h |
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