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Stacked screw filter press

The stacked screw sludge dewaterer follows the principles of co-current water, thin layer dewatering, proper pressure application and extended dewatering path, and solves the previous generations of sludge dewatering equipment that are easy to block and cannot handle low-concentration sludge and oily sludge. Technical problems such as high energy consumption and complicated operation have achieved the goal of efficient and energy-saving dehydration. The dehydrator can achieve high-efficiency flocculation under the condition of fully automatic operation, and continuously complete the sludge concentration and squeeze dehydration work, and finally collect or return the filtrate. Widely used in municipal sewage treatment projects and water treatment systems in food, starch, oil, pharmaceutical, chemical, paper, leather and other industries.

Structural principle

       The stacked screw sludge dewatering machine integrates a full-automatic control cabinet, a flocculation quenching and tempering tank, a sludge concentrating and dewatering body, and a liquid collecting tank. The main body is a filtering device in which a fixed ring and a floating ring are stacked on each other, and a spiral shaft passes through the filtering device. The front section is the concentration section and the rear section is the dehydration section. The filter gap formed between the fixed ring and the swimming ring and the pitch of the screw shaft gradually become smaller from the condensing section to the dewatering section. The screw shaft continuously drives the ring to clean the filter slot to prevent blockage. The rotation of the screw shaft, while pushing the sludge from the thickening section to the dewatering section, and the blocking effect of the back pressure plate, generates a large internal pressure, and the volume is continuously reduced to achieve the purpose of full dehydration.

叠螺式压滤机