Selection of Melt Pump for 100kg/h Plastic Film Recycling and Granulation Production Line

When selecting a melt pump for a 100kg/h plastic film recycling and granulating production line, multiple crucial factors must be taken into account to ensure stable operation and efficient output of the line. The following are some key selection elements and steps:

Production Capacity Matching:

Firstly, confirm that the maximum handling capacity of the melt pump should not be less than the theoretical production capacity of the line, which is 100kg/h. Considering potential fluctuations and efficiency losses in actual production, choosing a pump with a slightly higher capacity is more prudent.

Melt Characteristics:

Understand the melt viscosity, temperature range, chemical stability, and other properties of the recycled plastic film. Different types of plastics (such as PE, PP, PVC, etc.) exhibit significant differences in their physical properties in the molten state, which directly impact the design and operating conditions of the pump.

Pump Type:

Positive Displacement Pumps (e.g., gear pumps, screw pumps): These pumps are suitable for high-viscosity fluids, providing stable flow output and ideal for conveying molten plastics.

Centrifugal Pumps: Although widely used in fluid handling, they rely on fluid velocity to generate centrifugal force for fluid transportation, making them potentially unsuitable for high-viscosity or solid-laden molten plastics.

In the field of plastic recycling and granulation, screw pumps are often preferred due to their ability to handle high-viscosity and contaminated melts.

Pressure and Temperature Requirements:

The melt pump must withstand the pressures and temperatures generated during the transport of molten plastics. Ensure that the materials used in the pump (such as the pump body, gears, and screws) can operate stably under these conditions.

Wear Resistance and Sealability:

The possibility of minute particles or impurities in the molten plastic places high demands on the pump's wear resistance. Additionally, excellent sealing performance prevents melt leakage, ensuring the safety and cleanliness of the production environment.

Ease of Maintenance:

Selecting a melt pump that is easy to disassemble, clean, and maintain can reduce maintenance costs and improve the overall efficiency of the production line.

Energy Consumption and Cost:

Evaluate the energy consumption of different pump models and select a highly efficient product to reduce operational costs. Additionally, consider the balance between the initial investment cost and long-term operational costs of the pump.

In summary, when selecting a melt pump for a 100kg/h plastic film recycling and granulating production line, comprehensive consideration should be given to factors such as production capacity, melt characteristics, pump type, pressure and temperature requirements, wear resistance and sealability, ease of maintenance, energy consumption and cost, as well as manufacturer reputation. It is recommended to consult and discuss with professional pump manufacturers or suppliers in detail to obtain the most suitable melt pump solution tailored to your production needs.

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