C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 11/12 (2006.01) B30B 9/04 (2006.01) B30B 9/06 (2006.01) B30B 9/26 (2006.01) F26B 5/14 (2006.01)
Patent
CA 2139532
A sludge dehydrating press 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, press means far 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 directon crossing the direction of pressing by the press means and having continuous slits and the inner screen cases having also a space into which water extracted from the sludge flows, and positioning means for positioning the inner screen cases to a predetermined position after completion of pressing by the press means. The screen surface of the outer screen case preferably is made of a wedge wire screen having a flat inside surface. The press may further include an extracted water removing screen tube coaxially with the outer screen case.
Moffat & Co.
Nagaoka Tadayoshi
Nagaoka International Corporation
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