Entwässerungspresse für Schlämme und Verfahren zur Schlammbehandlung

摘要

A sludge dehydrating press (1) includes an outer screen case (2) in which sludge to be treated is filled, the outer screen case having a screen surface in at least a part thereof, press means (3) for pressing sludge filled in the outer screen case (2), one or more inner screen cases (4) disposed slidably in said outer screen case (2) including a screen surface extending in a directon crossing the direction of pressing by the press means (3) and having continuous slits and the inner screen cases (4) having also a space into which water extracted from the sludge flows, and positioning means (26) for positioning the inner screen cases (4) to a predetermined position after completion of pressing by the press means (3). The screen surface of the outer screen case (2) preferably is made of a wedge wire screen having a flat inside surface