Consistent sludge thickening for long hours without interruption

Water and sludge treatment products

VOLUTE™ Thickener
VT Series

Mechanically thicken the sludge with a concentration of 1% or less to 4 to 6%. The model will constantly produce stable thickened sludge, which is difficult to obtain with gravity thickening. Installing a thickener in the preceding stage of an existing belt press improves the capacity of the dewatering machine. The thickener is effective in sludge volume reduction while the final form of sludge being still semi-liquid and pumpable.

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ADVANTAGES

  • No clogging even with oily sludge
    No clogging even with oily sludge
  • Applicable for various applications
    Applicable for various applications
  • 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<br>Additional cylinder unit can be added even after delivery
    Excellent expandability
    Additional cylinder unit can be added even after delivery

No clogging even with oily sludge

The machine has a filter element that consists of alternating layers of rings fixed at four locations (fixed rings) and vertically movable rings (moving rings) maintaining a gap between them, and a single screw that is threaded through the filter element to transfer and compact the sludge.
A clog-free self-cleaning mechanism is achieved since the screw rotates at a constant speed in contact with the floating ring, driving the floating ring to clean the filter element gap.
The machine delivers stable dewatering performance even with oily sludge.
The amount of cleaning water for preventing clogging is very small compared to other types of dewatering machines.

Small footprint

This model can also be installed in places where other types of thickeners would be difficult to install, such as in low-ceiling buildings or where the footprint is limited.
This model does not require any cost on building extensions to secure an footprint, so it is also ideal when considering the replacement of an existing thickener.
When comparing the VOLUTE™ to a belt-type thickener, both having a throughput of 30 m3/h, the footprint is about 1/3.

Power-saving operation

The screw in the filter element rotates at a very low speed of approximately 2 to 4 rpm and consumes very little power, resulting in a high degree of cost-effectiveness.
When comparing the VOLUTE™ to a belt-type thickener, both having a throughput of 30 m3/h, the power consumption is about 1/3.

CASE STUDIES / TESTIMONIALS

List of Case Studies

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

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Feel free to contact us. After collecting information about your treatment process, sludge volume, operating hours, and other conditions, we will select the most suitable model for your sludge and your concerns. During jar test, we will simulate the amount of chemicals to be dosed, the estimated water content of the dewatered cake, etc. Upon request, a pilot test can be performed at your wastewater treatment plant (for a fee). After determining the specifications and ancillary equipment, we will start producing the equipment. Our sales representative or service engineer will perform operational adjustments at your wastewater treatment plant and you will check how to operate the system before we hand over the equipment.
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