The application fields of thermoplastic extrusion melt pumps are extremely diverse, primarily involving the conveyance, pressurization, pressure stabilization, and metering of high-temperature, high-viscosity polymer melts. Below is a detailed summary of their application fields:

I. Plastic Processing Industry

1.Extrusion Processing: Thermoplastic melt pumps have found applications in multiple areas within the plastic extrusion industry, including pelletizing, sheet/film/plate extrusion, pipe extrusion, blown film extrusion, extrusion coating, profile extrusion, and continuous blow molding. They can pressurize and stabilize the high-temperature plastic melt from the plasticizing and mixing equipment, delivering it to the extrusion die at a stable flow rate, thereby enhancing the quality and output of extruded products.

2.Material Compatibility: Thermoplastic melt pumps can process virtually all types of thermoplastic resins, thermoplastic elastomers, and other polymers, such as PE, PC, PP, PVC, HIPS, PS, PA, TPUR, fluoropolymers, polysulfones, polyesters, among others.

II. Enhancing Production Efficiency and Product Quality

1.Stable Output Pressure: Thermoplastic melt pumps effectively mitigate material output instability and pressure pulsations caused by extruder parameters, ensuring process stability and continuity.

2.Improving Product Quality: By utilizing a melt pump, dimensional tolerances of extruded products can be minimized, reducing scrap and waste rates and enhancing overall product quality. Furthermore, melt pumps lower melting temperatures, improving the plasticizing process and further enhancing product quality.

III. Energy Saving and Consumption Reduction

1.Reduced Unit Energy Consumption: Combining thermoplastic melt pumps with extruders significantly decreases the energy consumption per kilogram of material processed, typically by around a quarter. This energy-saving effect helps lower production costs and enhances economic efficiency.

2.Optimized Production Line Structure: In certain production lines, multiple small-to-medium-sized extruders can simultaneously feed a single melt pump, which then pressurizes and meters the melt before supplying it to the die head for the extrusion of large-scale products (e.g., large-diameter pipes, wide sheets, films, etc.). This configuration results in a compact production line with a small footprint and reduced energy consumption.

IV. Other Application Fields

Beyond the plastic processing industry, thermoplastic melt pumps are also widely used in the production of artificial fibers, optical fibers, medical plastic tubing, and other products. Their high precision, stability, and reliability make them essential in these fields as well.

In conclusion, thermoplastic melt pumps exhibit broad application prospects and significant value in plastic processing and related industries. As technology continues to advance and applications expand, the performance and efficiency of thermoplastic melt pumps will be further enhanced and refined.

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