The granule machine melt pump has the advantages of high precision, no pulsation and long life; the extruder system is equipped with a melt pump, which can effectively reduce the tolerances of the extruded products and improve the quality of the final product. For some products with strict dimensional tolerances, the use of melt pumps will effectively improve the economic efficiency of enterprises.

The use of a plastic granules melt pump in a twin-screw extruder combined with a melt pump in a blending and extrusion pelletizing line can effectively reduce the twin-screw extruder's own pressure building function and improve the production efficiency of the twin-screw extruder (the poor pressure building function of the twin-screw machine itself seriously affects production efficiency). For twin-screw machines combined with melt pumps and extrusion heads for tubes, plates and films into a production line, it has the advantage of pressure building in addition to energy saving by simplifying the production process of extruded products and shortening the production cycle. With the twin-screw machine + melt pump configuration, it is particularly suitable for extruded products where the material needs to be blended and modified; the material must be mixed and homogenised to achieve the required product quality.

In this production process, it is generally carried out in two steps; in one step the raw material is blended and granulated, in the second step the granule is reheated and melted by additional equipment and then extruded into a product. In these two steps the melt is cooled to room temperature and then heated to a molten state for extrusion, which is accompanied by significant energy consumption. For extrusion equipment using melt pumps, this considerable energy consumption is saved in the traditional extrusion process, thus achieving high efficiency and energy savings.

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