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The principle of the granulation line:
Loading (1) of flakes is carried out automatically by a feeding belt conveyor. In the thermal compactor (2), the material is additionally crushed, mixed, heated, dried, compacted, buffered and dosed for uniform and continuous feeding into a tangentially connected single-screw extruder. In the barrel of the extruder (3), the material is plasticized. At the end of the plasticization zone, the melt from the extruder enters the automatic self-cleaning filter (4), where the melt is cleaned and returned to the extruder. After filtration, the final homogenization of the melt occurs (5). In the subsequent degassing zone (6), the filtered and homogenized melt is degassed. After that, through the unloading zone (7), the melt under minimal pressure enters the hot granulation system (8), where it passes through the holes of the die, is cut with rotating knives and, after cooling with water, turns into a granule.