Working process of plastic granulator

Working process of plastic granulator

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The working process of plastic granulator mainly includes the following steps:

Plastic crushing: firstly, the waste plastic products or raw materials are physically decomposed, including cutting, crushing, grinding and other operations, so as to make them into smaller blocks or granular materials. Then, these massive or granular materials are sent to a plastic pulverizer for grinding to further reduce the particle size of the materials. Finally, the plastic particles that meet the requirements are screened out through the filtration of the screen. ‌

Plastic melting: plastic particles after plastic crushing need to be melted by plastic to achieve plasticity. The plastic particles are sent to the melting chamber of the plastic granulator, and there is usually a heating screw in the melting chamber, which is used to heat the plastic particles to a molten state. Under the action of the heating screw, plastic particles are heated and gradually melted to form molten plastic. ‌

Filtering: After the plastic is melted, it is necessary to filter the molten plastic to remove impurities and insolubles. Plastic granulators are usually equipped with filtering devices, such as filter screens or filter plates, which can effectively filter out impurities, residues and other impurities in molten plastics. The filtered plastic molten material is more pure, which can further ensure the quality of products. ‌

Extrusion molding: filtered molten plastic enters an extruder for molding. In the extruder, the molten plastic is compressed, heated and extruded out of the die under the action of the extrusion screw. The shape of the die determines the shape of the molded plastic product. Through the die, the molten plastic material is extruded to form continuous plastic particles or plastic products, which can then be cut into particles of the required length by a cutting device. ‌

These steps together constitute the working process of the plastic granulator. Through these steps, waste plastics or plastic raw materials are transformed into reusable plastic particles or products.

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