Double-column large-area filter screen changer realizes continuous production and high-precision filtration, which is suitable for high-end films, medical packaging, engineering plastics granulation and other scenarios, and effectively intercepts impurities, improves quality, and meets the needs of 24-hour uninterrupted production. With its continuous production and high filtration accuracy, the double-column large-area filter screen changer is mainly used in the following scenarios: 1、Plastic e