Stacked screw sludge concentrator

This equipment inherits the technical characteristics of low energy consumption, high efficiency, fully automatic control, and stable operation of the stacked screw sludge dewatering machine. It can directly concentrate the sludge in the secondary sedimentation tank quickly and continuously, and the concentration of the concentrated and separated sludge is stable and adjustable within the range of 90% -96%. After adopting this equipment, there is no need to build a concentration tank, reducing infrastructure investment and land occupation, effectively reducing the odor and phosphorus release caused by the sludge in the concentration tank, reducing the workload of subsequent treatment, and greatly improving the production capacity of sludge dewatering or deep dewatering equipment

Equipment Principle
The concentration main body of the stacked screw sludge concentrator is a concentration and filtration device formed by stacking a fixed ring and a movable ring, with a spiral shaft passing through it. This equipment integrates a fully automatic control cabinet, flocculation conditioning tank, sludge concentration body, and collection tank. Under fully automatic operation conditions, it continuously completes sludge concentration work through efficient flocculation.
Sludge and flocculants are thoroughly mixed and reacted by mechanical stirring in the sludge mixing tank to form 3-5mm flocs, which flow into the concentration body by themselves; In the concentration body, the sludge continues to move forward with the rotation of the spiral shaft, and the volume of the main chamber is continuously compressed. The filtrate is filtered out from the gaps between the laminations, and the solid content of the sludge gradually increases, achieving rapid concentration of the sludge;
Due to the misalignment movement between the movable ring and the fixed ring caused by the rotation of the spiral shaft, a continuous self-cleaning process can be achieved, avoiding the blockage problem of traditional equipment. The stacked screw thickener can be used as a pretreatment equipment for sludge dewatering and deep dewatering systems, and is matched with high-pressure elastic presses, high-pressure diaphragm frames, or other dewatering equipment.

Technical Features
※ Concentrated sludge has a wide range, suitable for sludge moisture content ranging from 95% to 99.8%
The moisture content of the concentrated sludge is stable and adjustable within the range of 90-96%
High concentration efficiency and small footprint
※ No filter cloth, self-cleaning, no blockage, no need for high-pressure backwash water
Low speed operation, low energy consumption, low operating costs, no vibration, no noise
Closed operation to reduce odor generation
※ Less vulnerable parts, low maintenance costs, and long service life
※ Fully automatic control, continuous operation, simple maintenance and management