Screw Press

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Screw Press

Application

The Screw Press Sludge Dewatering Machine is an advanced sludge dewatering equipment. In contrast to conventional methods such as the belt filter press and plate and frame filter press, its distinctive mechanical design offers numerous benefits. These include a compact footprint, prevention of clogging, fully automatic unattended operation, eliminating the need for sedimentation tanks and sludge thickening tanks. Moreover, its enclosed design significantly enhances the on-site operational environment.

Operation

  • The core of the Screw Press Sludge Dewatering Machine consists of a filtration unit comprising fixed and moving rings, threaded through by the screw axis. The front section serves for concentration, while the rear section excels in dewatering.
  • The filtration gap between the fixed ring and the moving ring of the dewatering screw press narrows gradually along the pitch of the screw axis, transitioning from a wider gap in the concentration section to a tighter gap in the dewatering section.
  • The rotation of the screw press shaft serves a dual purpose: firstly, it propels the sludge from the concentration section to the dewatering section, and secondly, it constantly drives the moving ring to clean the filtering gap, preventing any risk of clogging.
  • Following gravity concentration in the dedicated section, the sludge is conveyed to the dewatering section. As it progresses, the filtering gap and screw pitch gradually decrease, and the back pressure plate plays a vital role in generating substantial internal pressure. This pressure causes a continuous reduction in volume, effectively achieving thorough dewatering.

Application Area

  • Municipal Wastewater Treatment Plants
  • Industrial Wastewater Treatment Plants

Features

  • Dewatering of Low Concentration Sludge
  • Low Power Requirements
  • Small Footprint
  • Low Wash Water requirement
  • Low Noise Generation
  • Low Maintenance & Operation Cost
  • 24 Hours Operation

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specialize in design and manufacturing of equipment required for functioning of water and wastewater treatment plants

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