Belt Filter/Rotary Presses - High solids-capture screw press

The DSP Screw Press from BDP Industries has a pre-thickening rotary concentrator that increases influent solids content from 0.5 to 2 percent to over 5 percent, reducing volume by at least 60 percent. Filtrate is recycled to the rotary drum concentrator feed, making 95 percent solids capture possible. A tapered shaft screw reduces path length for the liquid to be expressed from the cake and causes a pressure force at a right angle to the auger shaft and against the perforated drum, reducing plug formation. The screw auger’s screen enclosure has slotted perforations that maximize screen porosity and increase capacity. 518/527-5417;


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