| 摘要 |
A sludge processing system includes a cylindrical chamber with a piston slidably mounted therein. The chamber includes an inlet valve and an output port. Sludge contained within the chamber is compacted by the piston as expressing liquid exits from the chamber via the outlet port. The inlet port admits the sludge upon a withdrawal of the piston. Sieves on opposite ends of the chamber contain the particulate matter in the sludge as the liquid exits therefrom. A cake of solid sludge matter builds up upon successive strokes of the piston, and is then expelled by a final stroke of the piston via a door in an end of the chamber.
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