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Sludge Thickener
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- VOLUTE™ Thickener VT Series
Consistent sludge thickening
for long hours without interruption
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.

Advantages
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Clog-free Self-Cleaning Design even with oily sludge -
Applicable for Various Sludge Types Throughout Many Industries -
Power and water saving -
Low Noise/Low Vibration -
Easy Operation & Maintenance -
Small footprint -
Excellent expandability.
Additional cylinder unit can be added even after delivery
Clog-free Self-Cleaning Design 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 thickening machines.
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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.

Easy Operation & Maintenance
24-hour fully automatic unmanned operation is possible with an automatic operation control using various sensors. There is no need for manual startups or shutdowns whilst operating the machine.
Additionally, there aren’t many daily maintenance items, and on top of that, there are no complicated operations required.
Furthermore, it does not require any special knowledge or skills, making it an easy-to-use product.
Expandable Throughput
The throughput of VOLUTE™ can be easily expanded with its Cylinder Unit. We are ready to meet your expectations, “We want to be prepared for the increase of sludge in the future, but without too much increase in the initial cost…”
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Low Noise/Low Vibration
As our product does not have a high-speed spinning unit, there is no need for noise or vibration
concerns, as such, no preventative measures need to be put in place for noise pollution.
Additionally, as there is no vibration from the machine itself, any kind of flooring modifications to accommodate vibrating machines will be unnecessary.
Applicable for Various Sludge Types Throughout Many Industries
VOLUTE™ Thickener is used across a wide range of industries and facilities, including commercial facilities, wastewater treatment plants, food and beverage manufacturing and mining.
Related Pages
Comparing Sludge Thickeners | Features and How to Choose the Right one
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 sample 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.






