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Screw Press Sludge Dewatering Machine

Screw Press Sludge Dewatering is a new solid – liquid separation equipment for sludge thickening and dewatering. This kind of machine solves series technical problems such as easy clogging of the for sewage desliming machine, unable to deal with low concentration, high energy consumption, complicated operation and so on. Realizing energy efficient dehydration. It's clog-free and can saving the cost of sewage plant construction. * It is widely used in city mixed raw sewage, food & beverage industry, chemical industry, stone & mine-sewage, tannery sewage, paper & pulp sewage, plating sewage, print & dyeing sewage, power plant, chemical industry and so on.
Contact number:0086-13818158941

Product details

Working Principle

Sludge dewatering press is equipped with unique Technology, which allows dewatering sludge while automatic  self-cleaning the filter mesh. This enables stable and constant dewatering without clogging.


The filtering device formed by fixed rings, moving rings, and a spiral in the middle. With screw extrusion principle,  strong extrusion pressure generated when the screw diameter and pitch change, tiny gap between the moving ring  and the fixing ring to achieve sludge extrusion dehydration.

Sludge goes from the feed inlet into the metering tank, moved to the flocculation mixing tank, then moved to the  dewatering tank, by the push of the spiral shaft rotary vane, the pitch is gradually reduced, the pressure is  increased, the pressure difference makes sludge to be dehydrated, water outflow from fixed rings and moving  rings.

The device has self- cleaning function between the fixed rings and the moving rings, and the clearance between the  filter and the filter is prevented from being blocked. After sludge is full dehydration, sludge cake is discharged from  the discharge port under the action of the propeller shaft.


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