PP modified granulation double column hydraulic screen changer and melt pump

Here is the detailed introduction to PP modified granulation double-column hydraulic screen changer and melt pump:

I. PP Modified Granulation Double-Column Hydraulic Screen Changer

Working Principle

The PP modified granulation double-column hydraulic screen changer operates based on its unique double-column, dual-flow channel design. During operation, two filter screens work simultaneously. When impurities accumulate to a certain level on one screen requiring replacement, the hydraulic station initiates the screen change process. During this process, one screen continues to work while the other undergoes replacement, ensuring a seamless transition between screens. This arrangement maintains continuous material flow with minimal pressure fluctuations, preserving production continuity and stability.

Main Features

Efficient Filtration: Equipped with specially designed filter screens, it effectively removes impurities from the melt, enhancing product purity and quality.

Non-Stop Screen Change: The unique double-column design allows screen replacement without halting production, significantly boosting efficiency.

Easy Operation: The user-friendly control system simplifies operations, reducing worker fatigue.

High Pressure & Temperature Resistance: Crafted from premium materials and advanced processes, it withstands high pressures and temperatures, ensuring stable operation in harsh environments.

Energy Saving & Environmental Protection: Efficient filtration and non-stop screen change minimize waste and energy consumption, promoting eco-friendliness.

Application Areas

Widely used in plastic processing, including PP modification granulation, chemical fibers, blown film, flat film, cast film production, as well as the manufacturing of pipes, sheets, wires, fibers, and more.

II. Melt Pump

Working Principle

A melt pump functions as a positive displacement delivery device. It relies on the intermeshing of driving and driven gears to create a changing working volume, thereby transporting the melt. As the gears rotate, the melt enters the feed zone formed by the pump body, gear grooves, and side-plate-functioning bearings. The melt is then conveyed to the discharge zone and pressurized into the outlet pipe. Its primary function is to boost, stabilize, and consistently feed the high-temperature plastic melt from the extruder into the extruder head.

Main Functions

Stable Extrusion: Eliminates feeding errors and dampens upstream process fluctuations, enhancing dimensional accuracy and reducing waste.

Increased Production: Transfers extruder decompression to the melt pump, enabling the extruder to operate at lower pressures and temperatures, thereby boosting output and reducing energy consumption.

Extended Machinery Lifespan: Reduces extruder backpressure and axial force on the screw, prolonging machine life.

Linear Extrusion Characteristics: Facilitates coordination between upstream and downstream equipment.

Application Areas

Extensively utilized in extrusion molding of plastics, resins, and rubber products, such as granulation, films, pipes, sheets, plates, artificial fibers, optical fibers, medical plastic tubes, etc. In PP modified granulation lines, melt pumps play a crucial role in stabilizing melt pressure and flow, ensuring smooth production processes.

In conclusion, both the PP modified granulation double-column hydraulic screen changer and the melt pump are essential in the plastic processing industry. Each boasts unique working principles and functional characteristics, collectively contributing to the continuity and stability of production processes.

Email: info@battemachinery.com

WhatsApp: +86 158 38331071