Sludge thickener, for continuous and consistent sludge thickening without interruption

Sludge Dewatering Solutions

VOLUTE™ Thickener
VT Series

This thickener model can thicken sludge from typically 0.4% to 4.0% or above. It will produce a consistent and stable thickened sludge which is difficult to obtain with gravity thickening and impossible to realize with a belt thickener on a similar small footprint. Installing this thickener can also be used to boost the capacity of existing dewatering machines. The thickener is an effective way to reduce sludge volume while maintaining a still semi-liquid and pumpable product.

ADVANTAGES

  • No clogging, even with oily sludge
    No clogging, even with oily sludge
  • High solid capture rate
    High solid capture rate
  • Power-saving
    Power-saving
  • Water-saving
    Water-saving
  • Low noise and low vibration
    Low noise and low vibration
  • Easy operation and easy maintenance
    Easy operation and easy maintenance
  • Small footprint
    Small footprint
  • Excellent expandability
    Excellent expandability

Clog-free, even with oily sludge

The machine has a filter element (cylinder) that consists of alternating layers of Fixed Rings and Moving Rings, with spacers in between to maintain a gap that allows filtrate to escape. Inside the cylinder, a single screw conveys and subsequently pressurizes the sludge through the cylinder towards the end plate. As the screw rotates, it drives the moving rings up and down, which cleans the filtrate gap, creating a clog-free and self-cleaning mechanism. Only a very small amount of water at low pressure is periodically used to gently clean the rings from the outside. The design delivers stable thickening performance even with oily sludge.

Small footprint

This model can be installed in places where other types of thickeners would be difficult to install, such as in low-ceiling buildings or where a small footprint is required. This allows it to replace most existing thickeners, often while increasing the capacity. For instance, when comparing the VOLUTE™ to a belt-type thickener, both having a throughput of 30 m³/h, the footprint is about 1/3. Thickeners are also very suitable to replace sedimentation tanks, of which the footprint is another order of magnitude.

RENTAL

Rental of Sludge Dewatering Presses

You may wonder, “Can the machine dewater the sludge as desired?” or “Is it difficult to operate the machine?”.

In addition to eliminating concerns before purchase, you can also use our products as a replacement machine during the service period of an existing dewatering machine or during the construction period of a wastewater treatment facility.

Flow for Product Installation

流れ
Feel free to contact us. After collecting information about your treatment process, sludge volume, operating hours, and other conditions, we will recommend the most suitable model for your sludge and your situation. After a free sample analysis, we will send you a report stating the expected amount of chemicals to be dosed, dry solids content of the dewatered cake, recommended technology, etc. Upon request, a pilot test can be performed at your wastewater treatment plant to further validate this data and let you experience the user-friendliness and reliability of our equipment. Based on your requests, we will then prepare a tailored solution proposal for a VOLUTE™ and auxiliary equipment. Before handover of the equipment, our service engineer will commission the unit on site and train the local operators to ensure the optimal result for you.
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