COYON's screw sludge dewatering machine is an innovative solid-liquid separation equipment belonging to the screw press dehydrator family. Its standout design eliminates the need for sedimentation tanks and sludge concentration tanks, directly slashing the construction cost of sewage treatment stations by 30%-40%. Instead of traditional filter screen filtration, it adopts intelligent multi-ring automatic cleaning and filtering technology-ensuring continuous, stable sludge-water separation without clogging. By leveraging powerful extrusion pressure from variable screw diameter and pitch, plus the minimal gap between floating and fixed rings, it achieves efficient sludge dewatering. Suitable for municipal and diverse industrial wastewater scenarios, this screw dewatering machine delivers consistent performance with dewatered cake moisture content of 75%-85%.
Our sludge dewatering equipment is widely used in sludge dewatering processes in municipal wastewater treatment plants, chemical, papermaking, pharmaceutical, food processing, printing and dyeing, and environmental engineering industries. They efficiently treat both domestic and industrial sludge, reducing sludge volume and minimizing the burden on subsequent treatment processes, thus providing a solid guarantee for environmental protection and resource recycling.
To meet the specific needs of different customers, this screw sludge dewatering machine can be customized according to sludge properties, feed rate, and on-site conditions. Customization options include equipment specifications, screw speed, filter mesh size, automated control system, and material selection, ensuring more efficient, energy-saving, and adaptable operation. Our professional technical team will provide you with comprehensive solutions to help your project be successfully implemented.
Working Principle: Two-Stage Pressure-Driven Dewatering
The screw sludge dewatering machine operates through a streamlined two-stage process that balances efficiency and simplicity:
First, sludge enters the concentration section, where gravity naturally separates free moisture, reducing initial volume by half. From there, it's transported to the dewatering section, where the magic happens: as sludge advances, the filter gaps and screw pitch gradually narrow, while the back pressure plate creates resistance. This combination builds intense internal pressure, continuously compressing the sludge to squeeze out bound moisture. The result is thoroughly dewatered sludge cake discharged from the outlet, with filtrate collected in the catch basin for reuse or further treatment.
The core advantage of this design lies in its self-cleaning mechanism-movable rings and fixed rings work in tandem to prevent sludge buildup, a common flaw in traditional dewatering equipment that causes frequent shutdowns.
Technical Data of Screw Dewatering Machine
|
Model |
DS Sludge Treating Capacity |
Sludge Flow Treating Capacity |
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|
10000mg/L |
20000mg/L |
30000mg/L |
40000mg/L |
50000mg/L |
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|
CYDL101 |
5-7 kg/h |
~0.5m³/h |
~0.25m³/h |
~0.2m³/h |
~0.15m³/h |
~0.14m³/h |
|
|
CYDL131 |
10-14 kg/h |
~1m³/h |
~0.5m³/h |
~0.4m³/h |
~0.3m³/h |
~0.28m³/h |
|
|
CYDL201 |
15-20 kg/h |
~1.5m³/h |
~0.75m³/h |
~0.6m³/h |
~0.5m³/h |
~0.4m³/h |
|
|
CYDL202 |
30-40 kg/h |
~3m³/h |
~1.5m³/h |
~1.2m³/h |
~1m³/h |
~0.8m³/h |
|
|
CYDL203 |
45-60 kg/h |
~4.5m³/h |
~2.25m³/h |
~1.8m³/h |
~1.5m³/h |
~1.2m³/h |
|
|
CYDL301 |
50-70 kg/h |
~5m³/h |
~2.5m³/h |
~2m³/h |
~1.5m³/h |
~1.4m³/h |
|
|
CYDL302 |
100-140 kg/h |
~10m³/h |
~5m³/h |
~4m³/h |
~3m³/h |
~2.8m³/h |
|
|
CYDL303 |
150-210 kg/h |
~15m³/h |
~7.5m³/h |
~6m³/h |
~4.5m³/h |
~4.2m³/h |
|
|
CYDL304 |
200-280 kg/h |
~20m³/h |
~10m³/h |
~8m³/h |
~6m³/h |
~5.6m³/h |
|
|
CYDL351 |
100-120 kg/h |
~10m³/h |
~5m³/h |
~4m³/h |
~3m³/h |
~2.4m³/h |
|
|
CYDL352 |
200-240 kg/h |
~20m³/h |
~10m³/h |
~8m³/h |
~6m³/h |
~4.8m³/h |
|
|
CYDL353 |
300-360 kg/h |
~30m³/h |
~15m³/h |
~12m³/h |
~9m³/h |
~7.2m³/h |
|
|
CYDL354 |
400-480 kg/h |
~40m³/h |
~20m³/h |
~16m³/h |
~12m³/h |
~9.6m³/h |
|
|
CYDL401 |
130-160 kg/h |
~13m³/h |
~6.5m³/h |
~5m³/h |
~4m³/h |
~3.2m³/h |
|
|
CYDL402 |
260-320 kg/h |
~26m³/h |
~13m³/h |
~10m³/h |
~8m³/h |
~ 6.4m³/h |
|
|
CYDL403 |
390-480 kg/h |
~39m³/h |
~19.5m³/h |
~15m³/h |
~12m³/h |
~9.6m³/h |
|
|
CYDL404 |
520-640 kg/h |
~52m³/h |
~26m³/h |
|
~16m³/h |
~12.8m³/h |
|
Advantages of Sludge Dewatering Equipment
Enhanced Protection & Observability: Equipped with a full machine cover to shield internal components from dust, moisture, and external damage. A dedicated observation window allows on-site personnel to monitor dewatering progress in real time, enabling timely adjustments and reducing maintenance downtime.
Extended Service Life with Wear-Resistant Design: The screw surface is welded with a cobalt-based alloy wear layer, boasting excellent oxidation resistance, corrosion resistance, and heat resistance. This extends the machine's service life by 50% compared to standard models, even when handling abrasive or corrosive sludge.
Neat & Reliable Wiring: Every wire is wrapped in a plastic sleeve and secured with stainless steel nylon hole tape, ensuring neat, organized wiring that's easy to maintain. This design minimizes electrical faults and enhances operational safety, critical for 24/7 wastewater treatment operations.
Corrosion-Resistant Components: Brass joints are used throughout the hydraulic and water supply systems, offering superior corrosion resistance compared to ordinary metal joints. Paired with a full stainless steel body, the machine thrives in humid, harsh sewage treatment environments.
Convenient Auxiliary Features: Comes with a matching high-pressure water gun receiver, providing easy access to cleaning tools for routine maintenance. The Snyder fully automatic integrated control cabinet simplifies operation-just set parameters and let the machine run independently, reducing labor requirements.
Application of Screw Sludge Dewatering Machine
* Municipal & Domestic Wastewater: Efficiently dewaters urban sewage sludge, reducing volume for cost-effective disposal or resource reuse (e.g., composting, incineration).
* Oil & Fat Industry: Handles palm oil mill wastewater, oilfield wastewater, and oil sludge-easily separating oil and solids without clogging.
* Printing & Dyeing Industry: Processes high-colority, high-viscosity printing-dyeing sludge, removing moisture and reducing environmental impact.
* Papermaking Industry: Dewaters pulp and papermaking wastewater sludge, recovering fiber resources and lowering disposal costs.
* General Industrial Wastewater: Suitable for a wide range of industrial scenarios, from chemical plants to food processing facilities, delivering consistent dewatering performance.
