Self Cleaning Continuous Screen Changer

The Self Cleaning Continuous Screen Changer, often utilizing an automatic Backflush mechanism and a multi-cavity design, is an advanced melt filtration system for plastic extrusion that ensures non-stop production by eliminating the need to halt the line for screen changes. When contamination causes a pressure rise, the system automatically diverts a small amount of clean polymer melt backwards to flush impurities from the blocked screen surface through a heated discharge port, cleaning the screen pack up to hundreds of times and thus maintaining a constant filtration area, minimal pressure fluctuation, and superior product quality while significantly reducing downtime and operational costs.