What is the difference between EVA photovoltaic melt pump and standard melt pump?

EVA Photovoltaic Melt Pump and Standard Melt Pump exhibit significant differences in various aspects, and the following is a detailed analysis of these differences:

I. Application Fields and Targeted Design

EVA Photovoltaic Melt Pump: Specifically designed for the extrusion line of EVA photovoltaic films, it boasts a high degree of professionalism and targeted design. It takes full account of the characteristics of EVA materials, such as processing temperature, viscosity, and stability, to meet the special needs in the production process of photovoltaic films.

Standard Melt Pump: A more versatile equipment, suitable for conveying, pressurizing, and metering various high-viscosity polymer melts. It lacks the professionalism and targeted design of the EVA Photovoltaic Melt Pump, but finds applications in a wide range of industrial fields.

II. Design and Characteristics

Temperature Control System: The EVA Photovoltaic Melt Pump pays special attention to the design of its temperature control system, adopting a combination of electric heating and circulating water temperature regulation to ensure temperature stability and adhesion of EVA materials during processing. While the Standard Melt Pump also has a temperature control system, it may not be as sophisticated and specialized as the EVA Photovoltaic Melt Pump.

Flow Channel Design: The flow channel design of the EVA Photovoltaic Melt Pump is smoother and without dead ends, minimizing the residence time and aging risk of EVA resin. This design is crucial for improving film quality. In contrast, the flow channel design of the Standard Melt Pump may be more generic and may not possess such high precision and specific requirements.

Gear and Shaft Temperature Control: The gears and shaft design of the EVA Photovoltaic Melt Pump also fully consider the need for temperature control, using circulating temperature-controlled water and other methods to reduce temperature and avoid material degradation and performance decline. The Standard Melt Pump's design in these areas may be more generic and may not offer such high temperature control precision.

III. Performance and Parameters

Precision and Stability: Due to the professional and targeted design of the EVA Photovoltaic Melt Pump, it usually excels in precision and stability. This high precision and stability are crucial for high-precision products such as photovoltaic films.

Pressure and Flow: The EVA Photovoltaic Melt Pump may also outperform the Standard Melt Pump in terms of pressurization and metering capabilities to meet the specific needs of the photovoltaic film production process. However, specific performance depends on the model and specifications.

IV. Maintenance and Servicing

Professionalism and Complexity: Due to the professionalism and high-precision design of the EVA Photovoltaic Melt Pump, its maintenance and servicing work may be relatively complex and cumbersome. It requires professional technicians for operation and maintenance to ensure the long-term stable operation of the equipment. In contrast, the maintenance and servicing of the Standard Melt Pump may be more generic and straightforward.

In summary, EVA Photovoltaic Melt Pump and Standard Melt Pump differ significantly in application fields, design characteristics, performance parameters, and maintenance and servicing. When choosing which type of melt pump to use, it is necessary to comprehensively consider specific production needs and material characteristics.

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