| 摘要 |
A sludge dehydrating press device includes an outer screen case in which sludge to be treated is filled, the outer screen case having a screen surface in at least a part thereof, a press for pressing sludge filled in the outer screen case, one or more inner screen cases disposed slidably in the outer screen case including a screen surface extending in a direction crossing the direction of pressing by the press and having continuous slits and the inner screen cases having also a space into which water extracted from the sludge flows, and a positioning device for positioning the inner screen cases to a predetermined position after completion of pressing by the press. The screen surface of the outer screen case preferably is made of a wedge wire screen having a flat inside surface. The press device may further include an extracted water removing screen tube coaxially with the outer screen case.
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