Eriez® Hydroflow® Star Filter® Provides Easier Cleaning and Improved Filtration over Rotating Vacuum Drum Filters
Erie, Pa. — The Eriez® Hydroflow® Star Filter® is a packaged system combining the dirty tank, filter and clean tank in one assembly, eliminating the balance problem of multiple components. This system uses one of the most proven technologies in the machine tool industry and offers significant advantages over every other technology including vacuum drum filters, pressures pre-coat and flat bed pressure filters.
Each Star element is precision built and totally interchangeable. The vertical angle of each filter panel provides a vertical drop for the dislodged filter cake, providing gentle yet thorough settling of the vacuum compressed filter cake. Each Star element can be removed for inspection and re-installed into the Star seal without concern for misalignment or proper sealing.
The element’s star shape and the filter panel’s compact, rectangular design maintain structural integrity after removal from the filter. With the end caps removed, cleaning on both sides of the filter panels is simple, unlike the circular construction used in drum filters. Many other additional features make the Eriez Hydroflow Star Filter unique in vacuum element filtration:
- Stainless steel Wedgewire, patented fuse-bonded stainless steel Microscreen, or polyester cloth filter panels are constructed to meet specific customer requirements. Unlike drums or tubes, the panels can be cleaned on both sides, eliminating the costly replacement of filter septums.
- Slurry Distribution Ring provides accurate and effective introduction of cellulose pre-coat.
- Patented Wet Seal is a positive seal that eliminates solids by-pass.
The clean fluid “backflow” incorporated into the Star Filter eliminates the need for large volumes of air (used in pressure filters) or scraper blades (used in drum filters). Scraper blades can force solids through and into the clean stream and also lodge dirt into the screen, reducing the open area for filtration. Fully automatic operation eliminates the complex hydraulic or air closure systems needed to seal pressure filters.
The Star Filter uses two stages of filtration. In the first stage, heavy solids quickly settle to the bottom of the tank and are removed by the drag conveyor. In the second stage, the Star element connects to the suction side of the pump and draws the fluid through the element, trapping solids on the surface.
For more information, visit www.eriez.com/Products/starfilter/
Eriez is recognized as world authority in advanced technology for magnetic, vibratory and inspection applications. The company’s magnetic lift and separation, metal detection, x-ray, materials feeding, screening, conveying and controlling equipment have application in the process, metalworking, packaging, recycling, mining, aggregate and textile industries. Eriez manufactures and markets these products through 12 international facilities located on six continents. For more information, call toll-free (888) 300-ERIEZ (3743) within the U.S. and Canada. For online users, visit www.eriez.com or send email to eriez@eriez.com. Eriez World Headquarters is located at 2200 Asbury Road, Erie, PA 16506.
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Ed Stevens, Stevens Strategic Communications
Keith Jones, Eriez
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