Static Screen Filter

Pureflow Static Screen Filters represent a pre-treatment solution designed to enhance the solid-liquid waste separation process. These sieves employ various mesh screens with varying degrees of fineness, depending on the type and volume of solids to be processed. The primary function is to separate water from the solid particles effectively. Their primary purpose is to eliminate solid contaminants present in the water, preventing clogging and mechanical issues within the facilities.

These devices are characterized by their minimal maintenance requirements and operate continuously without the need for electrical power. In urban wastewater scenarios, they can often replace primary settling tanks, effectively removing coarse sand and up to 30% of grease and residual effluents. Mesh sizes typically range from 0.50 to 0.15 millimeters in these applications.

The effluent requiring treatment is either pumped towards the screen head or delivered under pressure. Following a specific retention period, determined by the filling of the feed inlet box, a smooth laminar overflow takes place, allowing the liquid to effortlessly pass through the mesh filter. During this flow, the liquid traverses the mesh/sieve deck, primarily in its upper portion, while the solid components adhere to the mesh surface, gradually descending until they drop off at the mesh’s bottom. The filtered liquid collects in the low collection tank and is naturally discharged through pipes via gravitational force.